Topic:"Energy Efficiency Resource Assessment Model" in M04819

Figure 4.6 - Estimated Savings from Codes and Standards 2013-2017 Incremental Annual Savings Saninas Ango 201 13 20 14 201 15 201 16 201 17 Notes Savings Area GWh MW GWh MW GWh MW GWh MW GWh MW Notes Residential new construction 1 2.8 0.7...

AI summary Figure 4.6 presents estimated savings from energy codes and standards between 2013 and 2017, including residential and non-residential construction, lighting, and street lights. The data shows incremental annual savings in GWh and MW for each category, with notes indicating the specific codes and standards adopted.

of a replaced measure 1 practice or standards have an estimated annual kWh usage lower than the 2 replaced measure. 3 4  For a replaced measure with an RUL, future cumulative energy savings 5 could change when the RUL expires. A new savin...

AI summary The document discusses the implications of using a dual baseline approach for calculating energy savings in ENSC programs. It notes that while the annual incremental savings calculation would remain unchanged, cumulative savings would decrease because current methods claim full replacement savings, rather than adjusting for the expiry of the replaced equipment's useful life.

develop capacity to meet future needs 1 ENSC is evaluating several financing options, including potential opportunities to 18 will continue to educate trade allies and vendors about energy efficiency services so they 19 can communicate tho...

AI summary ENSC is evaluating financing options to meet future energy efficiency needs, collaborating with municipal governments to promote DSM programs, and supporting the development and enforcement of advanced building energy codes and standards in Nova Scotia.

E-ENSC-R-12 Line# 1 ABLE 1 (2015) Alloca ation of 25% of p rogram cos ts associated with system ben efits Existing New Homes Constructi Efficient products Home Energy Report Prescriptive Custom Small Business Education & Outreach Developme...

AI summary The document presents a table detailing the allocation of program costs associated with system benefits in 2015, including various categories such as efficient products, home energy reports, and education & outreach. The table includes figures for different program categories and their respective costs.

COLUMN A B C D E F G H I J F Relative sha res of program costs incurred on partic pating rate classe s before Muni cipal Class Existing New Efficient Home Energy Education & Development Other Enabling Program Homes Construction Products Re...

AI summary The table presents the distribution of program costs across various rate classes in Nova Scotia, showing the relative shares of costs incurred by different categories such as residential, small general, and industrial. It highlights the breakdown of costs for programs like Efficient Homes, Home Energy Report, and Education & Outreach.

COLUMN A B C D E F G M N O Program cost s incurred on p articipating rate classes Home Other New Efficient Energy Small Education & Development Enabling Program Existing Homes Construction Products Report Prescriptive Custom Business Outre...

AI summary The table presents the distribution of program costs incurred on participating rate classes across various energy efficiency programs. It highlights the percentage of costs associated with different program categories, such as Home Energy Report, Prescriptive, Custom, and Enabling Strategies, for different rate classes including Residential, Small General, and Industrial.

EXECUTIVE SUMMARY During the period of January to March, 2011 Energy Performance Services (EPS/Canada) Inc. ("EPS) carried out a preliminary review of energy efficiency projects undertaken at the New Page Port Hawkesbury ("NPPH") and Abiti...

AI summary Energy Performance Services conducted a detailed M&V of energy efficiency projects at NPPH and a preliminary analysis at ABL. Using the SEP M&V Protocol and IPMVP guidelines, they estimate annual energy savings of 154.2 GWh and average electricity demand savings of 17.8 MW at NPPH.

Table 1 - Summary of Results # Project Title Project Start Adjusted INITIAL REPORT estimate Bottom-up estimate based on statistical energy analysis Top-down Estimate GWh MW GWh MW GWh MW 1 Upgrade Line 1 Refiner 2010 63.9 7.3 53.4 6.1 2 Op...

AI summary Table 1 summarizes the results of various projects, including energy-related initiatives such as line upgrades, production optimization, and power reduction measures. The table provides details on project start dates, initial estimates, and energy savings in GWh and MW.

In February 2011, Energy Performance Services (EPS) was contracted by Efficiency Nova Scotia Corporation (ENSC) to perform a preliminary review of the energy consumption and demand savings from energy efficiency projects undertaken at the...

AI summary In 2011, Energy Performance Services (EPS) was contracted by Efficiency Nova Scotia Corporation (ENSC) to evaluate energy efficiency projects at two pulp and paper mills in Nova Scotia. The report details the methodology used to assess energy savings, including the use of multi-variable regression models to normalize data, and emphasizes that the savings estimates reflect avoided energy use under normalized conditions, not absolute savings.

Table 2 – Approximate breakdown of electricity consumption by operational units for standard conditions (1400 tonnes/d of paper average, 365 days/year, 10°C) Operational unit % consumption MW TMP (mainline & rejects refiners only) 67.4% 11...

AI summary Table 2 provides an approximate breakdown of electricity consumption by operational units at a paper mill under standard conditions. The TMP refining process consumes the largest share at 67.4%, followed by PM1 and PM2. Adjustments were made to estimates provided by Mark Frith, the TMP plant manager, to align with predicted and total mill consumption.

o-world.org/) September 2010, EVO 10000 – 1:2010 Superior Energy Performance, Plant Measurement and Verification Protocol (Draft) February 25, 2011 , p.1-1 The Regents of the University of California adjusted reporting-period consumption t...

AI summary The document discusses the methodology used for evaluating energy performance, including the use of adjusted reporting-period consumption and baseline-period consumption based on standard production levels and external factors. Data was collected using daily time-weighted averages, and the reporting period was divided into three segments for analysis.

Table 5 – Contents of regression analysis modelling files Tab Content Purpose Appendix 3a) NPPH Mill Regressions (Rev 4) – All modeling work except PM2 blower project Tab-1 PI system vs NSPI bills Check accuracy & validity of energy data i...

AI summary Table 5 outlines the contents of regression analysis modelling files, including tabs for energy data verification, regression models, and the impact of various factors on energy performance. The purpose of each tab is described, such as checking the accuracy of energy data, analyzing regression equations, and evaluating the effect of ambient temperature on refining energy.

5. WHOLE OF MILL (TOP-DOWN) ELECTRICITY SAVINGS ESTIMATE After collecting and "cleaning" the data of errors, we ran a regression analysis on total mill electrical consumption to determine what parameters or factors are statistically signif...

AI summary A regression analysis with an R² of .959 was conducted on total mill electrical consumption to identify significant factors driving energy use. Key parameters included TMP plant production, paper production, ambient temperature, and TMP plant outlet Freeness.

Table 5 – Output from Importance of Factors Analysis Coefficient Factor Product Percent Intercept -20.064 1499 -30076 -11% Avg. refining load (MW) 1.265 180938 228846 84% Total paper production (tonnes/d) 0.013 2077764 27123 10% TMP plant...

AI summary The analysis in Table 5 shows that TMP plant outlet freeness is not a significant predictor of mill energy consumption, while refining load is the most significant factor. The coefficients and percentages highlight the relationship between various factors and electricity consumption.

The importance factor, expressed as a percentage (either positive or negative), is the relative weight that a factor has in the regression equation. Regardless of the sign, an importance factor which is less than 1% is indicative that a fa...

AI summary The text discusses the use of importance factors and P-values in regression equations to assess the significance of variables, such as ambient temperature, in predicting electrical consumption. It notes that while the importance factor for variables is generally above 1%, the P-value for ambient temperature is marginally above 0.05, raising questions about its significance. The text also mentions deriving mill electrical consumption estimates under standard conditions.

Table 8 – Top-down savings estimate, standard conditions: 1,400 t/d of paper, 10°C, 365 days/yr # Projects that came on-line during period (with start date) Mill annual GWh Avg. MW Yr 1 Baseline 1,697.7 193.9 Optimize Line 3 (Summer 2008)...

AI summary Table 8 provides a top-down savings estimate based on energy consumption data from a paper mill, comparing baseline energy usage in Year 1 to consumption in Year 4 after various energy efficiency projects were implemented.

6.1TMP plant projects As discussed earlier, the refiners in the TMP plant represent two thirds of the NPPH mill's total electrical consumption. For all three projects with measurable results, we looked exclusively at the changes to refiner...

AI summary The TMP plant projects at NPPH significantly impact electrical consumption, with refiners accounting for two-thirds of the mill's usage. Statistical analysis identified energy savings from projects, despite challenges in disaggregating concurrent projects. The baseline for reporting was adjusted to July 2008, and regression analyses showed weather had no significant effect on refining energy consumption.

Table 9 - Summary of key statistical factors, TMP energy regressions Series Period 2 R Standard Importance factor / P-value Deviation Intercept Paper TMP Temp (°K) (MW) production Prodcution With Yr 1 .745 11.4 -7%/.664 28%/9E-25 83%/1E-68...

AI summary Table 9 presents statistical factors from energy regression analyses at the TMP plant, showing that removing temperature from the model does not affect the R² or standard deviation. The standard deviation remains between 11.4-12.3 MW, representing about 10% of the average refining load, indicating inherent variability in refining energy.

The TMP refining energy linear regression equations developed for the baseline period and the two reporting periods are as follows. TMP refining load (MW) = Yr 1 -14.281 + Paper production (tonnes/d) 0.025 + TMP production (admt/d) 0.088 Y...

AI summary The TMP refining energy linear regression equations for different periods are presented, showing how load (MW) relates to paper and TMP production. The equations include intercepts and coefficients for paper and TMP production, with the intercept representing the fixed load of the facility.

Unlike figure 9, the Year 1 and Year 2-3 functions have negative Y-axis intercepts. This is partly due to inherent limitations of using linear regression as opposed to second or third order regressions. A linear regression forces the model...

AI summary The document discusses the limitations of using linear regression models to represent the efficiency of the TMP plant, noting that the models have negative Y-axis intercepts and may not accurately reflect real-world conditions. The Year 4 model, despite a low R² value, is considered a better representation due to non-linear relationships between power and production.

mmon operating conditions. Figure 12 – Graphical representation of the statistical models TMP plant refining energy vs production – at a fixed Paper/TMP ratio of 1.131 Table 10- Bottom-up savings estimate, standard conditions: 1,237.8 ADMT...

AI summary The text includes a figure and table related to energy efficiency and production at the TMP plant, highlighting statistical models and bottom-up savings estimates under standard operating conditions.

days/yr fixed Paper/TMP ratio of 1.131 # Project Title Year started Bottom-up savings estimate at fixed Paper/TMP ratio GWh/yr MW 1 Upgrade Line 1 Refiner 2010 53.4 6.1 2 Optimize Line 3 Production Mid 2009 59.6 6.8 3 Optimize Rejects Scre...

AI summary The document discusses the accuracy of paper and pulp production estimates in a mill, noting that paper net production is more accurate, while pulp production estimates, particularly TMP, are prone to error due to challenges in calibrating feed screw speed conversions and variations in chip bulk density.

Table 11- Regression equations for combined load of 4 PM2 Blowers Standard Conditions, 1400 tonnes/day, 365 days/year Load at 1,400 tonnes/d Savings Period Electrical load (kW) = (kW) GWh MW Yr 1 Paper Production (tonnes/d) 3.362 4,707 Yr...

AI summary The text discusses the derivation of regression equations for the electrical load of PM2 blower power consumption at 1,400 tonnes/day of paper production. Due to data limitations, the analysis combines data from both PM1 and PM2, and savings estimates are based on these equations despite the lack of PM2-specific baseline data.

# Project Title Year started Bottom Up estimate based on statistical energy analysis _ ed INITIAL F estimate GWh MW GWh MW 1 Upgrade Line 1 Refiner 2010 53.4 6.1 63.9 7.3 2 Optimize Line 3 Production Mid 2009 FO C C 0 9.8 1.1 3 Optimize Re...

AI summary The table presents energy savings estimates for various projects, including upgrades and optimizations, with details on the year started, energy savings in GWh and MW, and initial estimates. Project 4 was not completed, and totals are provided both including and excluding it.

# Project Title Year started Adjusted INITIAL REPORT estimate Bottom Up estimate based on statistical energy analysis Top Down Estimate GWh MW GWh MW GWh MW 1 Upgrade Line 1 Refiner 2010 63.9 7.3 53.4 6.1 2 Optimize Line 3 Production Mid 2...

AI summary The document outlines various energy efficiency projects and their associated energy consumption estimates. It notes that electricity consumption at NPPH is independent of the mill's thermal balance due to continuous steam venting. However, it recommends considering steam balance in future energy analyses due to its impact on thermal energy and electricity usage.

Figure 4.6 - Estimated Savings from Codes and Standards 2013-2017 Incremental Annual Savings Garden Amag 20 13 20 2014 15 2016 2017 Notes Savings Area GWh MW GWh MW GWh MW GWh MW GWh MW Notes Residential new construction 1 2.8 0.7 2.8 0.7...

AI summary Figure 4.6 presents estimated savings from energy codes and standards between 2013 and 2017, showing incremental annual savings in GWh and MW for various sectors like residential, lighting, and non-residential construction. The data reflects the impact of adopted codes and standards, including federal and provincial regulations.

6 monitored." The 2009 IRP Update, which was coincident with the first full year of DSM implementation, made no adjustments to the DSM targets established in 2007. ENSC has a role in forecasting, tracking and recording substantive electric...

AI summary The 2009 IRP Update did not adjust DSM targets from 2007. ENSC tracked energy savings from non-DSM programs, contributing significantly to energy savings. However, without additional savings or increased investment, DSM targets in the 2013-2015 DSM Plan may not be met. A multi-year model is proposed to ensure long-term energy savings and revise DSM targets.

Because of its complexity, a dual baseline evaluation involves additional research and resources. After receiving input and advice from its consultants, ENSC has the following concerns regarding implementation: Resources required for imple...

AI summary ENSC has concerns about implementing a dual baseline evaluation due to the complexity and resource requirements, lack of market data, and challenges with small and medium programs. Recalculating the IRP and tracking changes in savings would require significant investment.

3.2 Custom Incentives The Custom program is designed to secure cost-effective electrical energy savings from energy efficiency projects and to promote efficient fuel choices in new construction projects as well as existing facilities. The...

AI summary The Custom Incentives program is designed to support cost-effective energy efficiency projects and promote efficient fuel choices in new and existing facilities. It provides financial assistance for engineering studies and upgrades, and is tailored to complex projects that do not fit prescriptive rebate structures. Eligibility includes new construction and major renovations, with incentives based on energy savings and efficient design features.

develop capacity to meet future needs 1 ENSC is evaluating several financing options, including potential opportunities to 18 will continue to educate trade allies and vendors about energy efficiency services so they 19 can communicate tho...

AI summary ENSC is exploring financing options to meet future energy efficiency needs and is working with governments to promote energy efficiency through regulatory changes, such as energy codes and standards, and by collaborating with municipal governments to enhance participation in DSM programs.

EXECUTIVE SUMMARY During the period of January to March, 2011 Energy Performance Services (EPS/Canada) Inc. ("EPS) carried out a preliminary review of energy efficiency projects undertaken at the New Page Port Hawkesbury ("NPPH") and Abiti...

AI summary EPS conducted a detailed M&V of energy efficiency projects at NPPH and a preliminary analysis at ABL. Using the SEP M&V Protocol and IPMVP, energy savings at NPPH were estimated at 154.2 GWh per year and 17.8 MW in average electricity demand savings.

In February 2011, Energy Performance Services (EPS) was contracted by Efficiency Nova Scotia Corporation (ENSC) to perform a preliminary review of the energy consumption and demand savings from energy efficiency projects undertaken at the...

AI summary In 2011, Energy Performance Services (EPS) was contracted by Efficiency Nova Scotia Corporation (ENSC) to evaluate energy efficiency projects at two pulp and paper mills in Nova Scotia. The report focuses on verifying preliminary energy savings estimates at New Page Port Hawkesbury (NPPH), using multi-variable regression models to account for operational variations and normalize data for accurate evaluation.

Table 3– Projects found to significantly affect energy consumption, INITIAL REPORT Feb 2 # Project Title Year started estimate on preling projects minary Comments GWh MW 1 Upgrade Line 1 Refiner 2010 74.00 8.5 Start-up June 30, 2010. Becau...

AI summary Table 3 lists energy consumption projects that significantly impact energy use, including upgrades and optimizations at various facilities. The table includes project titles, start dates, energy estimates, and comments on their impact.

Table 4 – Reporting periods and standard conditions Year Period Start Period End Paper actual avg. TMP actual avg. Tonnes/ yr & day ADMT/ yr & day Yr 1 Jun 1, 2007 Jun 30, 2008 515,842 1,413.3 435,250 1,193.5 Yr 2-3 Jul 1, 2008 Jun 29, 201...

AI summary The document discusses the use of statistical analysis and the IPMVP framework to evaluate energy consumption, focusing on the top-down and bottom-up approaches. It mentions the use of historical data, variables like paper production and outdoor temperature, and the construction of mathematical models using multi-variable linear regression in Excel.

4.2Analysis Procedure For the purposes of the various analyses required to carry out our mandate, we have built a data model using daily time weighted average numbers for a large number of process parameters at the NPPH mill. The data set...

AI summary The analysis procedure involves using a multi-variable linear regression model on daily time-weighted average data from the NPPH mill over four years to derive equations for energy consumption. The results are detailed in Appendix-3 of the M&V REPORT.

Table 5 – Contents of regression analysis modelling files Tab Content Purpose Appendix 3a) NPPH Mill Regressions (Rev 4) – All modeling work except PM2 blower project Tab-1 PI system vs NSPI bills Check accuracy & validity of energy data i...

AI summary Table 5 outlines the contents of regression analysis modelling files, detailing various tabs and their purposes, including energy data validation, regression iterations, and analysis of factors like ambient temperature on refining energy.

Table 4 (repeated) – Reporting periods and standard conditions for production. Year Period Start Period End Paper actual avg. TMP actual avg. Tonnes/ yr & day ADMT/ yr & day Yr 1 Jun 1, 2007 Jun 30, 2008 515,842 1,413.3 435,250 1,193.5 Yr...

AI summary The text discusses the standard conditions for production periods and the use of a fixed Paper/TMP ratio to quantify avoided energy use. It outlines the reporting periods, production averages, and the rationale for maintaining a fixed ratio to ensure accurate energy use quantification.

5. WHOLE OF MILL (TOP-DOWN) ELECTRICITY SAVINGS ESTIMATE After collecting and "cleaning" the data of errors, we ran a regression analysis on total mill electrical consumption to determine what parameters or factors are statistically signif...

AI summary A regression analysis with an R² of .959 was conducted on total mill electrical consumption to identify significant factors influencing energy use. The main parameters considered included TMP plant production, paper production, ambient temperature, and TMP plant outlet Freeness.

As discussed earlier, we have used standard conditions of 1,400 t/d and 10°C for 365 days/yr. Converting this to an annual basis produces 511,000 t/of paper. The top-down total mill electricity linear regression equations developed for the...

AI summary The document presents linear regression equations for predicting total electric load at a pulp and paper mill based on paper production, TMP production, and temperature. The models show strong statistical fit with R² values above .99, though variability remains due to real-world complexities.

The importance factor, expressed as a percentage (either positive or negative), is the relative weight that a factor has in the regression equation. Regardless of the sign, an importance factor which is less than 1% is indicative that a fa...

AI summary The text discusses the importance factor and P-value in regression equations used to estimate total mill electrical consumption. It notes that a P-value greater than 0.05 suggests a factor may not be statistically significant, but ambient temperature is retained in the equation for consistency with other data sets.

6.1TMP plant projects As discussed earlier, the refiners in the TMP plant represent two thirds of the NPPH mill's total electrical consumption. For all three projects with measurable results, we looked exclusively at the changes to refiner...

AI summary The text discusses the analysis of energy consumption changes in the TMP plant projects at NPPH, highlighting that refiners account for a large portion of the mill's electrical use. Statistical analysis was used to identify energy savings, with challenges in disaggregating results for concurrent projects. The baseline for reporting was adjusted to July 2008 based on observed trends, and regression analyses showed that weather had no significant impact on refining energy.

Table 9 - Summary of key statistical factors, TMP energy regressions Series Period 2 R Standard Importance factor / P-value Deviation Intercept Paper TMP Temp (°K) (MW) production Prodcution Yr 1 .745 11.4 -7%/.664 28%/9E-25 83%/1E-68 -5%/...

AI summary Table 9 presents statistical factors from TMP energy regressions, showing that removing temperature does not affect the R² or standard deviation. The standard deviation ranges from 11.4 to 12.3 MW, indicating significant variability in refining energy.

The TMP refining energy linear regression equations developed for the baseline period and the two reporting periods are as follows. TMP refining load (MW) = Yr 1 -14.281 + Paper production (tonnes/d) 0.025 + TMP production (admt/d) 0.088 Y...

AI summary The document provides linear regression equations for TMP refining load (MW) across different periods, showing how load varies with paper and TMP production. The equations include intercepts and coefficients for production variables, with the intercept interpreted as the facility's fixed load.

Unlike figure 9, the Year 1 and Year 2-3 functions have negative Y-axis intercepts. This is partly due to inherent limitations of using linear regression as opposed to second or third order regressions. A linear regression forces the model...

AI summary The text discusses the limitations of using linear regression models to represent the efficiency of the TMP plant, noting that the models produce negative Y-axis intercepts and do not accurately reflect the non-linear relationship between power and production. The Year 4 model, despite a low R² value, is considered a better representation due to its ability to account for non-linearity.

on function reasonably approximates the actual real world situation. Figure 10 – Scatter plots of actual data vs linear regression model baselines, 3 reporting periods Figure 11 shows the actual reported values vs. those predicted by the m...

AI summary The text discusses the use of linear regression models to analyze energy consumption data from the TMP plant over multiple reporting periods, showing good agreement between actual data and model predictions, with the model tending to overestimate consumption. Charts and graphs are provided to illustrate these findings and the operational ranges of the plant.

mmon operating conditions. Figure 12 – Graphical representation of the statistical models TMP plant refining energy vs production – at a fixed Paper/TMP ratio of 1.131 Table 10- Bottom-up savings estimate, standard conditions: 1,237.8 ADMT...

AI summary The text discusses statistical models related to TMP plant refining energy versus production at a fixed Paper/TMP ratio, along with a bottom-up savings estimate under standard conditions. It includes a figure and a table with data on TMP production and savings estimates.

days/yr fixed Paper/TMP ratio of 1.131 # Project Title Year started Bottom-up savings estimate at fixed Paper/TMP ratio GWh/yr MW 1 Upgrade Line 1 Refiner 2010 53.4 6.1 2 Optimize Line 3 Production Mid 2009 59.6 6.8 3 Optimize Rejects Scre...

AI summary The document presents a table with three projects and their energy savings estimates based on a fixed Paper/TMP ratio of 1.131. It explains that pulp production estimates are less accurate due to challenges in calibrating TMP production from refiner feed screw speed conversions, which are affected by variations in chip bulk density.

Table 11- Regression equations for combined load of 4 PM2 Blowers Standard Conditions, 1400 tonnes/day, 365 days/year Load at 1,400 tonnes/d Savings Period Electrical load (kW) = (kW) GWh MW Yr 1 Paper Production (tonnes/d) 3.362 4,707 Yr...

AI summary The text discusses the derivation of linear regression equations for the electrical load of PM2 blower power consumption at 1,400 tonnes/day of mill paper production. Due to data limitations, combined data from both paper machines (PM1 & PM2) was used, and savings estimates were calculated based on these equations.

7. AGGREGATED PROJECT RESULTS Finally, as per the suggested procedure within the SEP M&V protocol, we have tallied all the bottom-up energy saving estimates in order to compare them to the top-down estimate derived from the mill aggregated...

AI summary The text discusses the aggregation of project results using the SEP M&V protocol, comparing bottom-up energy saving estimates with top-down estimates from mill aggregated consumption data. It notes that project 4 does not contribute to validated savings as it is not yet commissioned.

# Project Title Year started Adjusted INITIAL Bottom Up REPORT estimate estimate based on statistical energy analysis Top Down Estimate GWh MW GWh MW GWh MW 1 Upgrade Line 1 Refiner 2010 63.9 7.3 53.4 6.1 2 Optimize Line 3 Production Mid 2...

AI summary The document presents a table of energy projects with their respective energy consumption estimates and discusses the relationship between electricity consumption and steam balance in a mill. It highlights that electricity consumption is independent of thermal balance due to continuous steam venting, and suggests considering steam balance in future energy analyses.

Panel vs. Site Visit Analysis CFL Regular LED Panel Survey Site Visit Diff erence Panel Survey Site Visit Diff erence Panel Survey Site Visit Diff erence Permanent 14.3 14.8 ↑0.5 13.2 24.1 ↑10.9 1.5 .3 ↓1.2 Plug-in 3.7 3.8 ↑0.1 2.6 4.8 ↑2....

AI summary The document presents a comparison between panel survey and site visit data for CFLs, Regular, and LED lighting options, highlighting differences in measurements such as permanent, plug-in, and outdoor usage. The analysis focuses on variations in values across different lighting types.

Efficiency Nova Scotia Corporation ECONOL:R Overall Executive Summary ARet-R4 Conduct on-site metering for dehumidifiers and room air conditioners: The metering conducted at the recycling facility included the consumption measurement of 29...

AI summary The document discusses the evaluation of an appliance retirement program (ARET) and an appliance replacement program (ARep) in Nova Scotia. It highlights the limitations of metering data collected at a recycling facility and recommends on-site metering during the summer in homes. The ARep program achieved energy and demand savings in 2011 through refrigerator and freezer replacements.

EP-DI-R3. Require additional information during survey campaigns with commercial and industrial (C&I) customers as well as from participants and increase the number of on-site visits to better calculate savings: Additional information woul...

AI summary The text outlines the need for collecting additional information during survey campaigns with commercial and industrial customers to improve savings calculations for various energy efficiency measures. It also suggests increasing on-site visits for categories with a large number of projects to ensure reliable data collection and adjustment values.

PP-R2. Improve program communication: The main recommendations expressed by homeowner participants were related to communication improvements. More specifically, the surveyed participants suggested improving the program by offering more in...

AI summary The document outlines several recommendations for improving the energy efficiency program. These include enhancing communication with participants, using HOT2000 simulation data for more accurate energy savings tracking, randomly reviewing HOT2000 models, and adding a measure of the percentage of heating delivered by electricity.

-site factor. In the future, these unitary savings values should be used to monitor gross energy savings in the tracking sheet. Then, the values should be adjusted after each evaluation. > Determine the required fields and remove unnecessa...

AI summary The text discusses the need to use unitary savings values to monitor gross energy savings and adjust them after evaluations. It also emphasizes the importance of determining necessary fields in tracking sheets and removing unnecessary ones, providing examples of relevant data for different appliances.

20% Never - 0 10% Partial Use Factor 1.00 0.85 0.74 Ref.: 5725 35 Efficient Products – Appliance Retirement Program Efficiency Nova Scotia Corporation 2011 Evaluation Report Lab-to-on-Site Factor Energy consumption estimates from manufactu...

AI summary The document discusses the use of a lab-to-on-site factor to adjust energy consumption estimates for replacement refrigerators, based on manufacturer data. This factor accounts for real-world variables such as door openings and indoor temperature, with a value of 0.82 established in the 2010 evaluation of the California Appliance Retirement program.

Table 37: California Lab-to-on-Site Differences for Cool Climate Zones Sample Size Household Size Lab-to-on-Site Factor 29 1-2 1 - 0.308 = 0.692 Primary Appliance 50 3+ 1 - 0.160 = 0.840 86 1-2 1 - 0.213 = 0.787 Secondary Appliance 59 3+ 1...

AI summary The document discusses the application of lab-to-on-site factors for energy consumption estimates of replacement and retired refrigerators. A factor of 0.82 was applied to replacement refrigerators, while retired refrigerators used an adjustment of 1.12 to account for door openings and household size differences.

ld. Therefore, an adjustment of 1.12 was applied to the annual consumption of old refrigerators to account for the average number of people per participating household9. This adjustment is based on 7 California climate zones 1 through 8 an...

AI summary An adjustment of 1.12 was applied to the annual consumption of old refrigerators based on the average number of people per household. This adjustment is derived from the occupant adjustment factor proposed in the New York protocol metering. Econoler calculated unitary savings values for retired refrigerators, considering factors such as replacement equipment and partial use.

gs Value 1,004 kWh/yr 10 New York Department of Public Service, Technical Resource Manual for Multifamily Replacement Refrigerators, September 29, 2010. Ref.: 5725 37 Efficient Products – Appliance Retirement Program Efficiency Nova Scotia...

AI summary The document presents an evaluation of the Efficient Products – Appliance Retirement Program, focusing on energy savings calculations for refrigerators and freezers. It details the methodology used to estimate average unitary savings values, including data from metering activities and participant surveys.

ulations. Average Consumption of Replacement Freezers According to the participant survey, when freezers were replaced, 82 percent were replaced with a new freezer and 18 percent with a used model. The same approach as with refrigerators w...

AI summary The evaluation report discusses the average energy consumption of replacement freezers, noting that 82% of replacements were new freezers, with 87% of those being ENERGY STAR-qualified. Used freezers had higher energy consumption compared to new models. Energy consumption estimates were based on data from Natural Resources Canada.

or secondary – not replaced – freezers. Using the proportion of each category resulting from the participant survey, the average unitary savings value for freezers is estimated at 1,117 kWh per year. Ref.: 5725 42 Efficient Products – Appl...

AI summary The document discusses the evaluation of energy savings from the Appliance Retirement Program, specifically focusing on freezers and dehumidifiers. Savings estimates are based on survey data and comparisons with new ENERGY STAR-qualified models.

untered in homes when using their dehumidifier. Moreover, the capacity of the metered dehumidifiers was rarely available, which complicated the analysis. Average Consumption of Retired Dehumidifiers The evaluation team of the OPA’s 2008 Ev...

AI summary This text discusses the evaluation of dehumidifier energy consumption, focusing on the average capacity and energy factor (EF) of older units. The study involved 36 homes in Ontario and used data from Efficiency Nova Scotia Corporation (ENSC) and Econoler to estimate annual usage in Nova Scotia. Adjustments were made to the EF based on laboratory testing of units recycled through the Appliance Retirement (ARET) program.

he Ontario Power Authority’s 2008 Every Kilowatt Counts Power Savings Event, Keep Cool Pilot and Rewards for Recycling Programs, Final Report, Prepared for the Ontario Power Authority, July 9, 2009. Ref.: 5725 43 Efficient Products – Appli...

AI summary The document references an evaluation report on appliance retirement programs, comparing energy consumption estimates from different regions, including Wisconsin and Nova Scotia. It discusses the use of 1,114 annual operating hours for dehumidifiers in Nova Scotia, leading to an average annual consumption of 1,224 kWh for old dehumidifiers retired.

were established from the participant survey. However, since the number of participants for room air conditioners was small in comparison with other appliances, they were not included in the survey. 19 The Cadmus Group, Evaluation of the O...

AI summary The evaluation of the appliance retirement program in Nova Scotia considers the replacement of retired room air conditioners with ENERGY STAR-qualified units, based on participant surveys and data from the Ontario Power Authority's 2008 program evaluation.

aced by new ENERGY STAR-qualified units. For the new ENERGY STAR-qualified units, Econoler used the following parameters, also based on the evaluation of the OPA’s 2008 Every Kilowatt Counts program: > an EER value of 10.7 Btu/W-h, which c...

AI summary The document discusses the calculation of unitary savings value for retired room air conditioners, using parameters such as EER, capacity, and hours of operation. It references the OPA’s 2008 program and estimates annual consumption for new ENERGY STAR-qualified units in Nova Scotia.

etail Markdown Program. Finally, since there was only one appliance retired through the Efficient Products - Multi-Unit Residential Renter pilot program, the unit was also claimed in this evaluation. Overall, total gross energy and demand...

AI summary The text discusses energy and demand savings from the Efficient Products - Multi-Unit Residential Renter pilot program, noting only one appliance was retired. Total savings at the meter are 8.163 GWh and 1.302 MW, while generator-level savings are estimated at 9.020 GWh and 1.439 MW, using a line loss factor provided by Nova Scotia Power.

generator, energy and demand savings are estimated at 9.020 GWh and 1.439 MW, using a line loss factor of 1.1050 estimated for the residential sector. This value was provided by Nova Scotia Power. Table 45: Evaluation Results – Gross Energ...

AI summary The text provides an evaluation of gross energy and demand savings from appliance retirement programs, including refrigerators, freezers, dehumidifiers, and room AC units. Line loss factors and energy-to-demand ratios are used to calculate savings at both the meter and generator levels, with data provided by Nova Scotia Power.

1.1050 1.1050 1.1050 1.1050 Total Gross Demand Savings – at Generator (MW) 0.757 0.510 0.160 0.011 Ref.: 5725 49 Efficient Products – Appliance Retirement Program Efficiency Nova Scotia Corporation 2011 Evaluation Report 4.3 INTERACTIVE EF...

AI summary The document discusses the interactive effects of replacing old appliances with energy-efficient ones in Nova Scotia, noting that while such replacements may increase heating loads in winter and decrease cooling loads in summer, the overall impact is considered insignificant by Econoler due to various factors.

Initial Gross NTGR Net Savings Savings Energy Savings Tracked Savings from ENSC 5.661 GWh 0.74 4.189 GWh Evaluation Results 9.020 GWh 0.80 7.175 GWh Demand Savings Tracked Savings from ENSC 0.903 MW 0.74 0.668 MW Evaluation Results 1.439 M...

AI summary This report evaluates the Energy Savings and Demand Savings from the Appliance Retirement Program (ARET) and other efficiency initiatives by Efficiency Nova Scotia Corporation (ENSC) in 2011. Tracked and evaluated savings are presented, with a note on the NTGR used for different retirement methods.

Efficiency Nova Scotia Corporation 2011 Evaluation Report The evaluated net savings exceeded those tracked by ENSC by 71 percent. This result was mainly due to the revision of the unitary savings values for each type of appliances. For ref...

AI summary The 2011 evaluation report by Efficiency Nova Scotia Corporation shows that net savings exceeded tracked savings by 71%, largely due to revised unitary savings values. Metering data was used for refrigerators and freezers, while dehumidifiers and air conditioners relied on Ontario studies. Recommendations include on-site metering during summer and collecting appliance and usage data.

Program 1. Provide a “base case”: The program manual does not provide a “base case” Manual that provides information on how the assumed gross savings have been Content established. For refrigerators and freezers, they are calculated on a c...

AI summary The document highlights the need for the program manual to include a 'base case' for calculating gross savings, document parameters used for estimating program objectives, and refine and disseminate marketing plans. It emphasizes the importance of transparency, validation, and updating of methodologies and assumptions for accurate forecasting and evaluation.

m air conditioners, which is a key determinant of energy consumption for those appliances. Information on the number of months the appliance is used could also be useful in order to estimate the partial use factor for refrigerators and fre...

AI summary The text discusses recommendations for improving data collection and program implementation in energy efficiency initiatives. It highlights the need to standardize data entry, use drop-down lists, and address customer reluctance to replace working appliances as key barriers to program success.

R refrigerators that was added to the program incentive. However, landlords could choose any retailer. The program also partnered with a transportation service and a recycler to retire old appliances. The ARep program was designed as a mar...

AI summary The ARep program aimed to replace older refrigerators in multi-residential buildings with ENERGY STAR appliances, targeting electricity and demand savings. It partnered with landlords and used sales representatives to generate leads. However, the program was not pursued in 2012 due to high costs per KWh.

ore, Econoler did not apply any adjustments in the savings calculations but repeats its recommendation to include a field to validate that the ENERGY STAR criterion has been respected. > Include a field to indicate the annual energy use of...

AI summary Econoler evaluated the Appliance Replacement Program and found it well-designed but with potential for improvement. It recommended adding a field to track annual energy use of new appliances and validating the ENERGY STAR criterion in the tracking sheet to enhance evaluation accuracy.

e visits were conducted for the 2011 evaluation of the program. The sampling was based on program tracking sheets that contained the list of participants and information about the appliances replaced. As only two on-site visits were planne...

AI summary The 2011 evaluation report for the Appliance Replacement Program (AREP) outlines on-site visits conducted to assess refrigerator replacements. The report uses an average unitary savings value of 437 kWh per refrigerator, based on the 2010 evaluation.

he average number of people per participating household2. This adjustment is based on the occupant adjustment factor proposed in the New York protocol metering3 on which was based the metering study. Table 4: Unitary Savings Calculation fo...

AI summary The document discusses the adjustment of unitary savings values for refrigerator replacements in the Appliance Replacement Program, based on the New York protocol metering study. The unitary savings value was updated from 437 kWh to 817 kWh, though it remains below estimates from other studies such as Efficiency Maine’s.

l # GMR05BLPWWC). This difference meets the ENERGY STAR criterion for compact refrigerators which requires to be at least 20 percent more energy efficient than the minimum federal government standard. The lab-to-on-site factor of 0.79, use...

AI summary The document discusses energy efficiency improvements in mini-fridges, calculating unitary savings based on consumption values and applying an installation rate of 100% for the ARep program. The calculations involve adjustments for lab-to-on-site factors and occupant behavior.

-demand ratio of 8.49 GWh/MW. This ratio was obtained from the adjusted 2011 program targets, by dividing the target energy savings by the target peak demand savings. 4.2.4 Revised Gross Savings Gross energy savings for the program were re...

AI summary The document discusses the calculation of the energy-to-demand ratio and its use in revising gross energy and demand savings for a program. The revised figures are presented, along with the line loss factor used to estimate savings at the generator level. The document also notes the reliance on data from the ARep program due to the lack of rate codes for participants.

Demand Savings Tracked Savings from ENSC 0.043 MW 0.74 0.032 MW Evaluation Results 0.065 MW 1.00 0.065 MW The net evaluated savings more than doubled with relation to the net evaluated savings tracked by ENSC. This result is mainly due to...

AI summary The evaluation of the Appliance Replacement Program (ARET) by Efficiency Nova Scotia Corporation (ENSC) showed that net evaluated savings more than doubled compared to tracked savings, primarily due to an updated unitary savings value for refrigerators. The evaluation also considered installation rates, interactive effects, and the net-to-gross ratio (NTGR), concluding that free-ridership and spillover effects were negligible due to low participation.

Such information would allow the Evaluator to register all the energy consumption of the new appliances installed, which is used in the unitary savings calculations. Ref.: 5725 24 Efficient Products – Appliance Replacement Program Efficien...

AI summary The text discusses the importance of registering energy consumption data from new appliances installed under the Appliance Replacement Program, which is used for unitary savings calculations in the 2011 Efficiency Nova Scotia Corporation evaluation report.

E Tier 3 refrigerators; and > CEE Tier 3 clothes washers. The spring and fall retail markdown periods for the year 2011 ran from May 1 to June 30 and from October 1 to December 18, respectively. In 2011, the program also included an Air Mi...

AI summary The 2011 Retail Markdown Program (RMP) by Efficiency Nova Scotia Corporation aimed to promote energy-efficient products such as EEE Tier 3 refrigerators and CEE Tier 3 clothes washers. The program included initiatives like an Air Miles pilot and in-store events, with goals of achieving 15.52 GWh in energy savings and 1.56 MW in demand savings.

he program in general and most of its aspects such as their relationship with the DA, the amounts of the discounts, discount processing as well as discount tracking and reporting. Residual Potential Survey results demonstrated that the ins...

AI summary The document discusses the program's aspects, including its relationship with the DA, discount processing, and tracking. It highlights residual potential for CFL installation despite high adoption rates and outlines the methodology used to evaluate program energy savings, including NTGR calculations for various products.

e effects for lighting products allowed for a more precise evaluation of savings. Finally, for several products, Econoler revised upward the unitary savings value, as summarized in the table below. Ref.: 5725 ix Efficient Products – Retail...

AI summary This section discusses unitary savings adjustments for various efficient products under the Retail Markdown Program in 2011, highlighting increased savings values for some items, particularly programmable thermostats and CEE Tier 3 refrigerators and clothes washers.

n 2011 Evaluation Report 1 PROGRAM DESCRIPTION 1.1 PROGRAM DESCRIPTION AND BACKGROUND The Efficiency Nova Scotia Corporation (ENSC) Retail Markdown Program (RMP) is both a resource acquisition and a market transformation program operating...

AI summary The Efficiency Nova Scotia Corporation's Retail Markdown Program (RMP) aims to promote the use of Compact Fluorescent Lamps (CFLs) in all available sockets through market transformation and resource acquisition. The program encourages customers to use specialty CFL bulbs and offers discounts on multipacks of ENERGY STAR®-qualified CFLs.

ivery period. The program aimed at achieving net electricity savings of 15.52 GWh and demand savings of 1.56 MW for the year 2011. In 2010, the RMP program generated net energy savings of 10.36 GWh. Ref.: 5725 2 Efficient Products – Retail...

AI summary The document discusses the Efficient Products – Retail Markdown Program (RMP) by Efficiency Nova Scotia Corporation, aiming for 15.52 GWh of electricity savings and 1.56 MW of demand savings in 2011. It also references the program's logic model and methodology for the 2011 evaluation.

non-participant surveys were used to understand the following: > awareness of ENERGY STAR symbol and CFLs; > CFL purchases; > in-store promotion; > awareness of the discount; Ref.: 5725 6 Efficient Products – Retail Markdown Program Effici...

AI summary The 2011 evaluation report discusses the use of non-participant and participant surveys to assess awareness and usage of ENERGY STAR and CFLs, including motivations, barriers, and satisfaction. It also covers free-ridership and replacement rates, with sample sizes and sampling errors provided for the surveys conducted.

Efficiency Nova Scotia Corporation 2011 Evaluation Report 3.4 PROGRAM DESIGN AND IMPLEMENTATION Following the analysis of all program elements, and with the most up-to-date information about the program background and tools, the Evaluator...

AI summary The 2011 Evaluation Report concludes that the markdown approach used by Efficiency Nova Scotia Corporation is adequate for promoting energy-efficient products. The program has evolved with updated product criteria and expanded offerings, such as LED lamps. However, Econoler suggests potential improvements to the program's design and implementation.

ncy Nova Scotia Corporation 2011 Evaluation Report Opinion on Program Duration, Barriers and Recommendations All retailers interviewed prefer a two-month offer to a year-round offer. However, some retailers do believe that the markdown per...

AI summary Retailers generally support the program and suggest improvements like shorter markdown periods, weekend events, and more training for sales staff. Customers are highly familiar with the ENERGY STAR label, with 80% of participants and 61% of non-participants showing some familiarity.

the same as non-participants (4.9 CFLs). As stated in the past, the difference in purchase habits between participants and non-participants suggests that the program increased customer CFL purchases. Furthermore, when analyzing the number...

AI summary The report evaluates the Retail Markdown Program (RMP) by analyzing CFL purchases among participants and non-participants. It finds that participants purchased more CFLs than non-participants and that overall CFL purchases remained high in 2011. A socket study confirmed residual potential for CFL adoption.

Efficiency Nova Scotia Corporation 2011 Evaluation Report In 2011, ENSC conducted a socket study with 1,004 respondents. This study investigated CFL installations, indicating that 94 percent of CFLs were installed inside houses while the r...

AI summary In 2011, ENSC conducted a socket study showing that 94% of CFLs were installed indoors, with an estimated daily usage of 2.7 hours. Econoler recommended using metering data over self-reported estimates, leading to an updated unitary savings value of 49.8 kWh for CFLs in the RMP. The study also noted that replacement of CFLs may not generate additional savings.

42.3 2.7 365 41.7 1000 This adjusted value was used in this year’s evaluation to estimate the savings generated by the installation of LED lamps. 4.2.3 Dimmer Switches For dimmer switches, ENSC uses a unitary savings value of 23.65 kWh per...

AI summary The document discusses the use of a unitary savings value of 23.65 kWh per year for dimmer switches, derived from the 2010 RMP evaluation report and based on the OPA report. The parameters used for the calculation are considered realistic by the Evaluator.

Efficiency Nova Scotia Corporation 2011 Evaluation Report 4.2.4 Indoor Motion Sensors Indoor motion sensors were added to the RMP in 2011. In the tracking sheet, ENSC uses a unitary savings value of 63.95 kWh based on the 2010 OPA report....

AI summary Efficiency Nova Scotia Corporation (ENSC) added indoor and outdoor motion sensors to the Retail Markdown Program (RMP) in 2011. The unitary savings values for these sensors were based on assumptions from the 2010 OPA report, including operating time reductions and lamp wattages.

verage Lamp Wattage 242.6 W Old Operating Time 4.75 h/day New Operating Time – with Sensor 2.95 h/day Annual Savings 159.38 kWh Ref.: 5725 42 Efficient Products – Retail Markdown Program Efficiency Nova Scotia Corporation 2011 Evaluation R...

AI summary The document discusses energy savings from outdoor motion sensors and power bars with integrated timers. It provides calculations based on assumptions about lamp wattage and operating time, and recommends continuing to use the unitary savings value of 159.38 kWh per year for outdoor motion sensors.

r year in its evaluation for all power bars purchased through the RMP. 13 Representative bulb mix: (85% × 2 × 150 W incandescent) + (10% × 2 × 90 W halogen) + (5% × 2 × 26 W CFL) = 275.6 W. Ref.: 5725 43 Efficient Products – Retail Markdow...

AI summary The document discusses the evaluation of energy savings from heavy duty timers used in pool pumps, based on the OPA report. It references the reduction in operating time from 10 to 6 hours per day, supported by sources such as the U.S. Department of Energy and the White River Valley Electric Cooperative.

2011 Evaluation Report programmable thermostat. To do so, the OPA considered a savings value of 1 percent for every degree set back14. For this year’s evaluation, Econoler revised the unitary savings value used by ENSC. First, Econoler had...

AI summary In the 2011 Evaluation Report, Econoler revisited the savings value for programmable thermostats used by ENSC. They questioned the 1% savings per degree setback from the U.S. Department of Energy, noting it may be more applicable to Fahrenheit than Celsius. They also suggested that the baseline should be a bimetallic thermostat instead of an electronic one, as most installations replace bimetallic thermostats.

bec – Laboratoire des technologies de l’énergie (LTE), “Sommaire exécutif de rapports publiés par Hydro- Québec concernant les économies d’énergie dues aux thermostats électroniques,” October 2004. Ref.: 5725 46 Efficient Products – Retail...

AI summary Econoler suggests adding savings from bimetallic thermostats to temperature setback savings for programmable thermostats sold through the RMP, based on field data from the MURR program and housing type proportions in Nova Scotia's residential market.

an average unitary savings value based on the proportion of housing type in Nova Scotia’s residential market. Table 37: Unitary Savings Estimation for Programmable Thermostats Housing Type Calculation Parameters Duplex / Triplex / Single-D...

AI summary The text discusses the calculation of unitary savings values for programmable thermostats and CEE Tier 3 ENERGY STAR refrigerators in Nova Scotia. It provides estimates based on housing type proportions and energy savings data, which are used in the 2011 impact evaluation of the RMP.

ntial Refrigerators Qualifying Product List, http://www.cee.1.org, December 15, 2011. 19 CSA-C360-03, Energy Performance, Water Consumption, and Capacity of Household Clothes Washers, January 2005. Ref.: 5725 48 Efficient Products – Retail...

AI summary The document discusses the evaluation of energy savings from CEE Tier 3 clothes washers under the Retail Markdown Program, noting a significant increase in unitary savings due to updated program targets and the energy efficiency of the washers sold.

ctive effects: low, moderate and high. The scenario with minimum interactive effects was selected for the calculation because it enabled the Evaluator to account for the evolution of homes since 1992. The following table presents the calcu...

AI summary The text discusses the calculation of interactive effects for energy-saving measures such as CFLs, LED lamps, and indoor motion sensors in Nova Scotia. It outlines the distribution of residences based on heating and air conditioning usage and provides a weighted interactive effects factor of -18.5%.

Table 44: Evaluation Results – Net Energy and Demand Savings Power Indoor Outdoor Heavy Prog. Tier 3 Tier 3 Regular Specialty LED Dimmer Bars Product Category Motion Motion Duty Thermo- Refrige- Clothes CFLs CFLs Lamps Switches with Sensor...

AI summary Table 44 presents evaluation results for net energy and demand savings across various product categories, including CFLs, LED lamps, and other energy-efficient devices. It includes metrics such as total gross energy savings, interactive effects factors, NTGR, and line loss factors for each category.

ter Line loss factor 1.1050 1.1050 1.1050 1.1050 1.1050 1.1050 1.1050 1.1050 1.1050 1.1050 1.1050 Total Net Energy Savings 4.468 2.976 0.064 0.202 0.015 0.003 0.012 1.971 1.888 0.350 1.853 (GWh) – at Generator Demand Savings Total gross de...

AI summary The text presents data on energy savings, including total net energy savings and demand savings at different points (generator and meter), along with factors like line loss and NTGR. It notes that some savings calculations combine multiple initiatives, such as CFLs, refrigerators, and the Air Miles pilot project, with specific NTGR values applied.

Tracked Savings from ENSC 1.690 MW 1.690 MW 1.690 MW 106% 1.793 MW Evaluation Results 2.269 MW 1.987 MW 1.745 MW 80% 1.388 MW The net evaluated savings fell short of those tracked by ENSC by approximately 23 percent. The difference between...

AI summary The net evaluated savings from ENSC programs fell short of tracked savings by 23%, primarily due to revised unitary savings values and the addition of replacement ratios and in-service rates. These changes were made to improve the accuracy of savings estimation for CFLs and other products.

ng sheet, ENSC used a line loss factor of 1.1188, as in the 2010 evaluations for residential programs. The line loss factor for the residential sector was updated this year to 1.1050. Ref.: 5725 60 Efficient Products – Retail Markdown Prog...

AI summary The document discusses the line loss factor used by ENSC in residential program evaluations, noting a change from 1.1188 in 2010 to 1.1050 in the current year. It also references an evaluation report related to the Retail Markdown Program by Efficiency Nova Scotia Corporation.

5% 57% 69% 69% 61% 51% 54% Male 48 44 44 43 31 31 39 49 46 Ref.: 5725 72 Efficient Products – Retail Markdown Program Efficiency Nova Scotia Corporation 2011 Evaluation Report APPENDIX III - INTERVIEW GUIDE WITH PROGRAM MANAGER Process Eva...

AI summary This document outlines an interview guide for evaluating the Retail Markdown Program managed by Efficiency Nova Scotia Corporation. It includes questions and comments related to implementation contractors, program partners, and the status of recommendations from the 2010 evaluation report, including those concerning CFLs, Tier 3 appliances, and year-round programs.

ion 2007 to 2011 Impact Evaluation Report Table 2: ENSC Unitary Savings Estimate for Each Set of LED Lights Exchanged Parameters Values Proportion of old large incandescent sets returned 40% (25 lamps per set) Proportion of old mini incand...

AI summary This report evaluates the energy savings from replacing incandescent light sets with LED lights between 2007 and 2011. It calculates unitary energy savings and peak demand reduction per exchange, based on parameters like wattage, usage, and return rates of old sets.

g – outdoor seasonal LED lights 67% × 40% = 26.8% 0% Weighted Interactive Effects Factor 100% -19.8% 9 ENSC from socket study. Ref.: 5725 7 LED Holiday Lighting Exchange Program Efficiency Nova Scotia Corporation 2007 to 2011 Impact Evalua...

AI summary The LED Holiday Lighting Exchange Program's impact evaluation report discusses the Net-to-Gross Ratio (NTGR) and net savings from 2007 to 2011. The program assumes an NTGR of 1 due to negligible distortion effects and calculates net savings based on interactive effects, resulting in total energy and demand savings.

generator. Table 6: Evaluation Results – Total Net Savings Energy Savings 2007 2008 2009 2010 2011 Total Total gross energy savings – at meter (GWh) 0.198 0.263 0.360 0.355 0.458 1.633 Interactive effects factor -19.8% -19.8% -19.8% -19.8%...

AI summary The document presents evaluation results of the LED Holiday Lighting Exchange Program from 2007 to 2011, detailing total net energy and demand savings at both meter and generator levels, including adjustments for interactive effects and line loss factors.

LED holiday lights are not negligible. The interactive effects factor for the LHLE program was estimated at -19.8 percent by the Evaluator and was used in the net savings calculations. > The diversity factor: ENSC used a diversity factor o...

AI summary The document discusses adjustments to factors used in evaluating the energy savings of LED holiday lights, including interactive effects, diversity factors, and line loss factors. These adjustments resulted in more accurate net savings estimates of 1.447 GWh and 3.257 MW.

arket that had not been explored before. The program totalled 4,920 participants for the year 2011. In terms of net energy savings, the program generated 4.809 GWh at the generator. Program Barriers The program partners contacted during th...

AI summary The program had 4,920 participants in 2011, generating 4.809 GWh in energy savings. Key barriers included limited participant numbers due to few eligible leads and concerns about CFLs, though health risks were not a major issue. Participant satisfaction was high, though some removed installed products.

y savings estimates used in the tracking sheet, they were in most cases revised upward. The table below shows such changes. Table 2: 2011 Program Unitary Savings Adjustments Unitary Savings Values (kWh/year) Products Tracked Evaluated 13 w...

AI summary The document discusses revisions to unitary savings estimates for various energy-efficient products in the 2011 program evaluation, showing increases in savings values for items such as CFLs, LED lights, and low-flow showerheads.

after installation. Moreover, product information was collected through on-site observations or homeowner interviews in order to validate the assumptions used to calculate the product unitary savings: > For lighting measures: power of lamp...

AI summary The document outlines the process for collecting product information to validate unitary savings assumptions for energy efficiency measures, such as lighting, power bars, faucet aerators, and insulation. It also mentions the use of past evaluations and studies, including the 2011 Ontario Power Authority report, for estimating savings.

report3 or on other reliable secondary sources of data. This document is a reliable secondary data source in which the assumptions used for savings calculations are well documented. 4.2.1 CFLs ENSC uses the same unitary savings value of 41...

AI summary ENSC uses a unitary savings value of 41 kWh for 13 W CFLs based on a 2009 evaluation, which considered their replacement of 60 W incandescent bulbs. This value was later revised by Econoler for two types of CFLs (13 W and 23 W), with separate savings values assigned for each.

stimated at 241 kWh, based on the Navigant study mentioned earlier. The assumptions used to estimate this value were not available. Thereby, Econoler based its review on other studies and assumptions. The average displaced wattage was esti...

AI summary The document discusses the calculation of energy savings from CFL torchieres installed through the Low Income Renter Program, adjusting the estimated annual unitary savings from 241 kWh to 69.5 kWh based on real data and assumptions about wattage and usage.

efore, the nightlights installed in rooms that are not affected by daylight are likely to remain 5 Pennsylvania Public Utility Commission, “Technical Reference Manual,” Pennsylvania, June 2011. Ref.: 5725 23 Efficient Products – Low Income...

AI summary The document discusses the energy savings from LED nightlights installed under the Low Income Renter Program by Efficiency Nova Scotia Corporation. It calculates the unitary savings value based on displaced wattage and average operating time, using data from on-site visits and daylight exposure in Halifax.

(35 lamps per set) Average displaced wattage (90 W – 2.4 W) = 87.6 W Annual usage 5 h/day × 40 days/yr = 200 h/yr Annual Savings 87.6 W × 200 h/yr = 17.52 kWh Econoler reviewed this savings estimate. The proportions of each type of old set...

AI summary The document calculates annual energy savings from replacing old holiday lighting with LED lights, using wattage data from various sources including PG&E, BC Hydro, and the Ontario Power Authority. The savings are based on in-field observations from the LED Holiday Lighting Exchange program.

s distributed through the program are reasonable. As a result, the unitary savings value of 17.52 kWh was used in the evaluation to compute the gross energy savings achieved with seasonal LED lights. 7 Pacific Gas and Electric Company (PG&...

AI summary The document evaluates the energy savings from seasonal LED lights and faucet aerators, citing studies and reports. A unitary savings value of 17.52 kWh was used for LED lights, while faucet aerators had an estimated value of 86 kWh based on a Navigant study, though assumptions are not available.

on other studies and assumptions to conduct its evaluation. To calculate the unitary savings value, Econoler reviewed two studies estimating the annual value for the installation of faucet aerators. Table 21: Unitary Savings Estimate for F...

AI summary The document discusses the calculation of unitary savings for faucet aerators based on studies from other jurisdictions, including the OPA and Wisconsin Focus on Energy. It uses the OPA value of 176.30 kWh per year as it is more appropriate for Canadian provinces and aligns with ENSC program standards.

deemed acceptable for most products promoted through ENSC programs. Therefore, the unitary savings value that is used in the current evaluation is 176.30 kWh per year. 4.2.6 Low-Flow Showerheads For low-flow showerheads, ENSC uses a unitar...

AI summary The unitary savings value for low-flow showerheads promoted through ENSC programs is 157 kWh, based on data from the OPA report and assumptions about flow rates, shower frequency, and temperature. This value is used to evaluate energy savings in the Low Income Renter Program.

stalled through the LIR program. This unitary savings value is also used in the ENSC Retail Markdown Program and the Efficient Products – Multi-Unit Residential Renter program. 4.2.8 Pipe Insulation The LIR program proposes the installatio...

AI summary The LIR program includes energy efficiency measures such as pipe insulation and hot water tank wraps for renters. ENSC uses unitary savings values based on past evaluations, including the 2009 Low Income Homeowner program and the OPA report. The savings values are adjusted based on pipe sizes commonly used in residential settings.

f 100 percent for this product. This result was confirmed during the telephone survey. Only one participant out of 70 revealed having removed one of their CFLs after their installation by the program. A significant level of removal was fou...

AI summary The evaluation of installed energy efficiency products found that most CFLs remained installed, but significant removal rates were observed for faucet aerators, LED nightlights, and power bars with timers. Econoler recommends increasing on-site visits to improve installation rates and ensure proper usage of products for energy savings.

Low-Flow 13 Watt 23 Watt CFL LED Seasonal Faucet Power Bars Pipe Hot Water Product Category Shower- CFLs CFLs Torchieres Nightlights LED lights Aerators with Timer Insulation Tank Wraps heads Energy Savings Number of units – 49,563 12,482...

AI summary The document presents data on energy savings from various low-flow and energy-efficient products installed across different categories, including CFLs, LED lights, faucet aerators, and pipe insulation. It includes metrics such as the number of units installed, energy savings at the meter and generator levels, and demand savings.

duct replacements, pipe insulation and hot water tank wraps are not negligible. Interactive effects factors were estimated for these products and used in the net savings calculations. Ref.: 5725 39 Efficient Products – Low Income Renter Pr...

AI summary The evaluation report discusses energy savings calculations for the Efficient Products – Low Income Renter Program, including adjustments to line loss factors and the inclusion of installation rates and interactive effects factors to improve estimation accuracy. These changes reduced program savings estimates, but significant savings were still observed in the program's first year.

ton Regional Municipality (CBRM) and the Town of Antigonish were selected to hold events in common areas, during which tenants could be informed one-on-one and ask energy efficiency-related questions. The program also conducted direct inst...

AI summary The MURR program conducted direct installs of energy-efficient products in 853 households in 2011, achieving 0.651 GWh of net energy savings. Participant satisfaction was very high, with no reports of dissatisfaction. The program was delivered by Summerhill and targeted specific energy savings goals.

et aerators and low-flow showerheads are the main factors that explain this difference. The table below summarizes the adjustments applied to the unitary savings estimates used in the tracking sheet. Table 3: 2011 Program Unitary Savings A...

AI summary The document discusses program unitary savings adjustments for various energy-efficient products, highlighting differences between tracked and evaluated savings values. Interactive effects were considered to improve the precision of energy and demand savings calculations.

ted savings for each product. Therefore, Econoler proposes the following recommendations that are aimed at assisting ENSC in its production of an in-depth manual if the program is officially launched: > Explain the nature of the energy aud...

AI summary Econoler recommends clarifying the nature of energy audits and providing a 'base case' for calculating energy savings in ENSC's program manual to ensure accuracy and transparency in the program's implementation.

Efficiency Nova Scotia Corporation 2011 Evaluation Report 4.2 GROSS SAVINGS The quantities of products installed under the program are computed in the tracking sheet. For each product, ENSC uses a unitary savings estimation that is either...

AI summary This section discusses how Efficiency Nova Scotia Corporation (ENSC) calculates energy savings from Compact Fluorescent Lights (CFLs) installed under its residential programs. It references past evaluations and studies, including a 2009 evaluation of the Low Income program and the 2011 Ontario Power Authority report, to determine a unitary savings value of 41 kWh per CFL.

a 23 watt CFL is sufficient to replace a 100 watt incandescent lamp. Thus, Econoler considers adequate using an average replaced wattage of 93.5 W resulting in an average displaced wattage of 70.5 W. As for 13 watt CFLs, the daily usage of...

AI summary The document discusses the energy savings of 23 watt CFLs and CFL torchieres in the context of the Multi-Unit Residential Renter Program. It references studies by Econoler and Navigant, and provides calculations for average displaced wattage and unitary savings values.

t 241 kWh by ENSC, based on the Navigant study mentioned earlier. The assumptions used to estimate this value were not available. Therefore, Econoler based its review on other studies and assumptions. The average displaced wattage was esti...

AI summary The text discusses the estimation of unitary savings for CFL torchieres and LED nightlights. For CFL torchieres, the displaced wattage was calculated as 70.5 W, leading to an adjusted annual unitary savings of 69.5 kWh. For LED nightlights, a unitary savings value of 26 kWh is estimated based on a technical reference manual from the Pennsylvania Public Utility Commission.

Efficiency Nova Scotia Corporation 2011 Evaluation Report 4.2.4 Programmable Thermostats Programmable thermostats were installed through the Nedco Homeowner pilot project. For this product, ENSC uses a unitary savings value of 63.15 kWh pe...

AI summary This section discusses the evaluation of programmable thermostats installed through the Nedco Homeowner pilot project by Efficiency Nova Scotia Corporation (ENSC). The unitary savings value of 63.15 kWh per year is derived from the Ontario Power Authority (OPA) report and considers temperature setbacks. A study by Hydro-Québec is also referenced for evaluating thermostat accuracy and temperature setbacks in different housing types.

Townhouse Gross Energy Savings for Electronic Thermostat Accuracy Percentage of savings due to the thermostat accuracy 9.0% 5.5% 4.5% Annual consumption for electric space heating (before 12,542 7,734 4,782 thermostat installation) [kWh] S...

AI summary The document presents data on energy savings from thermostat installations in townhouses, including savings percentages, annual consumption, and savings per thermostat. It also references evaluation reports on thermostat programs and includes citations from the U.S. Department of Energy and Econoler.

Efficiency Nova Scotia Corporation 2011 Evaluation Report For the savings calculation due to the electronic thermostat accuracy, the percentages of savings were based on research supervised by Hydro-Québec’s laboratory of energy technologi...

AI summary The 2011 Evaluation Report by Efficiency Nova Scotia Corporation discusses energy savings calculations from thermostat upgrades and a pilot project. It references research by Hydro-Québec’s LTE and billing analysis involving 25,703 clients. Econoler recommends using LTE test results and field data for more accurate savings estimates.

edco Homeowner pilot project was targeted at the residential sector. Econoler calculated an average unitary savings value based on the proportion of housing types in Nova Scotia’s residential market. Table 20: Unitary Savings Estimation fo...

AI summary The Nedco Homeowner pilot project targeted residential energy efficiency, with Econoler estimating average unitary savings based on housing types in Nova Scotia. Table 20 outlines savings from programmable thermostats across different housing types, including single-detached, duplex/triplex, and apartment units. The report also references Hydro-Québec's findings on energy savings from electronic thermostats.

Efficiency Nova Scotia Corporation 2011 Evaluation Report Thus, the total unitary savings value associated with the installation of a programmable thermostat through the Nedco Homeowner pilot project is equal to 223 kWh per year. 4.2.5 Ele...

AI summary The report evaluates energy savings from various efficiency programs, including programmable thermostats, electric kettles, and faucet aerators, using unitary savings values derived from studies such as those by Navigant and OPA. These values are used in evaluations of programs like the Low Income Homeowner initiative.

d as a unitary savings value per low-flow showerhead. 11 Natural Resources Canada, Personal: Residential – Better Water Use Means Bigger Savings, www.oee.nrcan.gc.ca, date modified: 2009-06-26. Ref.: 5725 26 Efficient Products – Multi-Unit...

AI summary The document discusses energy efficiency programs, specifically focusing on pipe insulation and hot water tank wraps. It references savings values per unit installed, citing reports from Efficiency Nova Scotia Corporation and the Ontario Power Authority, and highlights the use of unitary savings values based on past evaluations.

he Low Income Homeowner program. As a second source, Econoler consulted the OPA report. The 2011 version of the report looked into the installation of water heater blankets in the residential market. The annual unitary savings for both sin...

AI summary The document discusses the evaluation of energy efficiency programs, including the Low Income Homeowner program and the Multi-Unit Residential Renter Program. It references the OPA report, which provides unitary savings estimates for energy-efficient products like water heater blankets and power bars with integrated timers.

100% - - - - 100% 100% 100% - - Total number of units installed 8,875 1,011 8 373 67 128 524 303 272 203 250 Unitary savings (kWh) 46.3 69.5 69.5 29.3 223 49 176.3 377 53 74 270 Total Gross Energy Savings 0.411 0.070 0.0006 0.011 0.015 0.0...

AI summary The text presents detailed energy savings data, including the number of units installed, unitary savings, and total gross energy and demand savings at both the meter and generator levels, along with line loss factors and energy-to-demand ratios.

Program 1. Explain the nature of the energy audit: It is recommended that ENSC Manual designate the energy audit by its true nature (walk-through type audit) to avoid Content high expectations from renters and to be more specific in the de...

AI summary The document recommends clarifying the nature of energy audits conducted by ENSC, defining audit protocols, providing a 'base case' for calculating savings, and documenting parameters used to estimate program objectives, including distortion and interactive effects.

include marketing material addressing both partner and participant requests for better, more effective marketing as well as for further information on the program in general. EP-DI-R3. Require additional information during survey campaigns...

AI summary The text discusses the need for improved marketing and the collection of additional data during survey campaigns to enhance the accuracy of savings calculations for various energy efficiency measures, including hot water tank wraps, occupancy sensors, and thermostats. It also suggests increasing on-site visits for better evaluation.

han 1 percent of total savings. Table 18: Total Number of Projects and Total Gross Energy Savings for Each Category of Products Installed – From Tracking Sheet Category of Products Installed Hot Water Power LED Exit Occupancy Programmable...

AI summary The text presents data on energy savings from various product installations, categorizing them by type and showing the total number of projects, gross energy savings, and the percentage of total savings. Projects were sorted into two strata based on energy savings, with some categories having no projects above 10,000 kWh.

nitary savings value of 127 kWh per 13 W CFL installed in a non-residential building and 41 kWh per 13 W CFL installed in a residential building. These two values were revised for the 2011 evaluation. 13 W CFLs Installed in Non-Residential...

AI summary The document discusses the unitary savings value for 13 W CFLs installed in non-residential and residential buildings, referencing evaluations from 2010 and 2011. It also outlines the calculation of displaced wattage based on data from tracking sheets and the average wattage of old incandescent bulbs.

ducts installed, for all the projects where this value was available in the tracking sheet. Based on the average old wattage value, the displaced wattage value was calculated using the equation below: 61.4 13.0 48.4 Hours of Operation In 2...

AI summary The document discusses the calculation of energy savings from 13 W CFLs installed in residential buildings, comparing different methods and assumptions used by ENSC and Econoler. It highlights differences in unitary savings values and the basis for these calculations, including the use of average hours of operation and historical data from evaluations.

rate to use the daily usage of 2.7 hours from Hydro-Québec’s metering study. Unitary Savings Calculation The review resulted in a unitary savings value for 13 watt CFLs of 46.3 kWh, as shown below. 60 13 2.7 365 46.3 1000 5 For more detail...

AI summary The document discusses the unitary savings calculation for 13 W and 23 W CFLs in the Efficient Products – Direct Install Program. It notes a revised value for 13 W CFLs and provides separate values for 23 W CFLs in non-residential and residential buildings, citing a lack of detail in the 2010 evaluation report.

NSC for 23 W CFLs installed in non-residential buildings was obtained from the 2010 evaluation report. However, this report does not provide any detail on how the unitary savings value was obtained. Econoler revised this savings value usin...

AI summary The document discusses the revision of the unitary savings value for 23 W CFLs installed in non-residential buildings in 2011. Econoler used displaced wattage and hours of operation data from tracking sheets and site contacts to recalculate the savings value, based on an approach similar to the OPA Prescriptive Measures and Assumptions report.

270.0 1000 The EP-DI 2011 impact evaluation revised the unitary savings value used for 23 W CFLs to Ref.: 5725 29 Efficient Products – Direct Install Program Efficiency Nova Scotia Corporation 2011 Evaluation Report 270.0 kWh per year. 23...

AI summary The 2011 evaluation report for the Efficient Products – Direct Install (EP-DI) program revises the unitary savings value for 23 W CFLs installed in residential buildings, based on displaced wattage and adjusted hours of operation. The displaced wattage was calculated as 70.5W, and the daily usage was adjusted to 2.7 hours based on a metering study.

as established for residential buildings. Econoler revised this savings value using the information available in the tracking sheet, covering projects completed by September 2011. Displaced Wattage The displaced wattage value was establish...

AI summary The document discusses the calculation of displaced wattage and unitary savings for chandelier CFLs in the Efficient Products – Direct Install Program, using data from the tracking sheet and information provided by site contacts. The unitary savings value was revised to 118.0 kWh per year for 2011.

a metering study conducted for Hydro-Québec’s residential lighting program. Unitary Savings Calculation The review resulted in a unitary savings value for 14 watt CFLs of 45.3 kWh, as shown below. 60 14 2.7 365 45.3 1000 4.2.5 LED Exit Sig...

AI summary The document discusses unitary savings calculations for energy efficiency programs, including 14 watt CFLs and LED exit signs. It highlights discrepancies in data sources and methods used to calculate displaced wattage values for these programs.

A is 2.4 W. Based on the average old wattage value, the displaced wattage value was calculated using the equation below. 38.8 2.4 36.4 Ref.: 5725 33 Efficient Products – Direct Install Program Efficiency Nova Scotia Corporation 2011 Evalua...

AI summary The document discusses the calculation of unitary savings for LED exit signs and power bars with integrated timers under the Efficient Products – Direct Install Program. It references data from the OPA and Navigant Consulting, and provides specific kWh values for energy savings.

product. 7 Ontario Power Authority (OPA), “2011 Quasi Prescriptive Measures and Assumptions,” http://www.powerauthority.on.ca/evaluation-measurement-and-verification/measures-assumptions-lists. Ref.: 5725 36 Efficient Products – Direct Ins...

AI summary The document discusses the evaluation of the Efficient Products – Direct Install (EP-DI) program, including the unitary savings calculation for hot water tank wraps in residential and non-residential buildings. It references the Ontario Power Authority (OPA) report and Efficiency Nova Scotia Corporation (ENSC) impact evaluations.

mate this unitary savings value are clear, well documented and reliable, Econoler used the unitary savings value of 270 kWh per year for this evaluation. 4.2.8 Commercial Programmable Thermostats For commercial programmable thermostats, EN...

AI summary The document discusses the unitary savings value for commercial programmable thermostats used in the EP-DI program. ENSC uses a value of 1,098 kWh per unit, based on data from the Massachusetts Technical Reference Manual and Statistics Canada. However, on-site visits revealed that the controlled space area is significantly lower than assumed, suggesting a potential overestimation of savings.

Efficiency Nova Scotia Corporation 2011 Evaluation Report Based on these values, the unitary savings value for commercial programmable thermostats used in the 2011 evaluation is calculated, as indicated below. 0.119 212 25.23 For future ev...

AI summary This section discusses the evaluation of commercial programmable thermostats in 2011 and recommends using the OPA's approach for future evaluations, which involves collecting detailed data on building types, thermostat usage, and heating systems.

Efficiency Nova Scotia Corporation 2011 Evaluation Report Fahrenheit and not to degree degree-Celsius like the OPA did. The percentage of savings per degree- Celsius of setback should be higher than for degree-Fahrenheit. Moreover, based o...

AI summary Efficiency Nova Scotia Corporation's 2011 evaluation report discusses thermostat efficiency, comparing Fahrenheit and Celsius savings calculations and suggesting alternative data sources. It highlights differences in baseline thermostats between Nova Scotia and Ontario, noting that bimetallic thermostats are more common and that electronic thermostats offer greater energy savings. The report references Hydro-Québec's evaluation of residential electronic thermostats.

tation: 2012-01-11. 11 Econoler, “Évaluation du programme thermostats électroniques – Volet nouvelle construction au marché résidentiel,” Final Report presented to Hydro-Québec, February 9, 2009. Ref.: 5725 39 Efficient Products – Direct I...

AI summary This report evaluates the Efficient Products – Direct Install Program by analyzing the energy savings from electronic thermostats. Savings calculations are based on research by Hydro-Québec’s laboratory and billing analysis involving thousands of clients. The unitary savings value of 179 kWh per year is determined and used for the 2011 impact evaluation of the RMP.

t. Thus, the total unitary savings value associated with the installation of a programmable thermostat is equal to 179 kWh per year. This value will be used in the 2011 impact evaluation of the RMP. 4.2.10 Occupancy Sensors For occupancy s...

AI summary The report evaluates the Efficient Products – Direct Install Program, noting that the unitary savings value for programmable thermostats is 179 kWh per year and for occupancy sensors is 391 kWh per unit. No on-site visits were conducted for occupancy sensors due to their low impact, but recommendations are made for future evaluations.

ion rate was considered to be 100 percent since no on-site visit was conducted for these categories. Moreover, no adjustment for the installation rate is applied to the savings for the pilot project. Ref.: 5725 42 Efficient Products – Dire...

AI summary The evaluation report discusses the calculation of energy and demand savings for the Efficient Products – Direct Install (EP-DI) program. It outlines the energy-to-demand ratio used and the revised gross savings, both at the meter and generator levels, incorporating a line loss factor provided by Nova Scotia Power.

Gross Demand Savings 0.796 0.495 0.179 0.053 0.160 0.229 0.007 0.064 0.010 0.288 0.064 0.019 0.019 0.152 0.010 0.472 – at Generator (MW) Ref.: 5725 44 Efficient Products – Direct Install Program Efficiency Nova Scotia Corporation 2011 Eval...

AI summary The evaluation report discusses interactive effects in the Efficient Products – Direct Install Program, noting that while ENSC does not account for them in net savings calculations, they were considered in the program evaluation. These effects occur when energy efficiency measures impact heating and cooling systems, increasing winter heating loads and decreasing summer cooling loads.

k wraps cause an increase in the heating load during winter and a decrease in the cooling load during summer. Interactive effects values were calculated for non-residential and residential facilities. For all lighting products (CFLs, LED e...

AI summary The text discusses the impact of lighting products and occupancy sensors on heating and cooling loads in non-residential facilities, citing a 1992 study by ADS for Hydro-Québec that used the DOE2 software to simulate these effects in electrically heated buildings.

ec in order to determine the impact of these changes on heating and cooling systems. The simulations were performed with the DOE2 software and only focused on buildings heated entirely by electricity. The following table presents the calcu...

AI summary The text discusses simulations using DOE2 software to assess the impact of changes on heating and cooling systems in electrically heated buildings. It highlights data collection challenges and recommends improving future evaluations by gathering information on heating sources and air conditioning usage during surveys and programs.

collected during the C&I telephone survey campaigns conducted by ENSC, and from each participant of the EP-DI program. This would provide for a better evaluation of the interactive effects factor. Ref.: 5725 45 Efficient Products – Direct...

AI summary The document discusses the evaluation of the Efficient Products – Direct Install (EP-DI) program, focusing on the interactive effects factor for lighting products and occupancy sensors in non-residential facilities. Data was collected from Efficiency Nova Scotia Corporation (ENSC) and EP-DI program participants to assess these effects.

onditioning, Nova Scotia, 2009. 17 ADS ASSOCIÉS, “Évaluations des effets énergétiques combinés des mesures d’économies d’énergie – résidence unifamiliale,” report presented to Hydro-Québec, 1992. Ref.: 5725 46 Efficient Products – Direct I...

AI summary The text discusses the interactive effects factor for hot water tank wraps in non-residential buildings and multi-unit residential buildings, considering heating and cooling seasons in Halifax. It highlights the use of -100% and +100% factors based on temperature control and seasonal energy use.

bill financing scheme for residential customers. This could help overcome the financial barrier related to the implementation of certain expensive energy efficiency measures. EEH-R4. Collect the building energy consumption data for each ho...

AI summary The text discusses methods for calculating energy savings in residential energy efficiency programs, emphasizing the use of building-specific data and improving billing analysis to adjust for overestimations by the HOT2000 simulation tool.

ation energy consumption data with a view to establishing an adjustment ratio by comparing the HOT2000 expected savings to the actual reduction in participants’ energy bills. EEH-R6. Revise HOT2000 models on a random basis: The Evaluator o...

AI summary The EnerGuide for Existing Houses (EEH) program, managed by Efficiency Nova Scotia Corporation (ENSC), aims to improve energy efficiency in residential buildings in Nova Scotia. The program includes measures such as revising HOT2000 models and ensuring accurate energy consumption data collection to validate savings.

2011 Evaluation Report along with the effectiveness of the proposed energy efficiency measures are calculated using a simulation tool developed by the federal government, namely HOT20003. The homeowner then has 18 months to complete the up...

AI summary The 2011 Evaluation Report discusses the use of the HOT2000 simulation tool for calculating energy efficiency measures, the process for homeowners to complete upgrades and schedule post-retrofit evaluations, and the structure and implementation of pilot projects under the EEH program, including the Standard Direct Install and Direct Install Plus initiatives.

t receives $55 to install the tank and pipe wraps, and $30 for installing the bulbs. ENSC would like that the Certified Energy Advisors reach an amount of at least $60 of installed products per house. The Direct Install Plus pilot project...

AI summary The EEH program targets existing homes in Nova Scotia, offering incentives for energy-efficient products. ENSC aims for Certified Energy Advisors to install at least $60 worth of products per house. The Direct Install Plus pilot includes additional products like electric kettles and faucet aerators. HOT2000 is a residential energy analysis software used for EnerGuide ratings.

wo components of the EEH direct install pilot project, the eligible products to be installed are shown below. Table 4: List of Eligible Products Installed under the Pilot Project Components Standard Direct Direct Install Plus Products Inst...

AI summary The EnerGuide for Existing Houses (EEH) program and its pilot project components aim to achieve electricity and demand savings through the installation of eligible energy-efficient products. The program generated significant electricity savings in 2009 and 2010, with targets of 7.80 GWh and 2.14 MW for 2011.

obtained primarily from the following sources: > ENSC website; > 2010 evaluation report; > program manual; > tracking sheet. 2.2.2 In-Depth Interview with Program Manager Econoler staff conducted one interview in September with the Program...

AI summary The evaluation process includes interviews with the Program Manager and program partners, as well as on-site visits to assess the EEH program's implementation. The interviews covered program justification, savings calculations, marketing strategies, and participant feedback, while on-site visits evaluated the effectiveness of energy efficiency measures.

o is a certified ecoEnergy advisor. The sampling was established to include one D audit and one E audit. Furthermore, the selection included the evaluation of two different energy advisor companies. Ref.: 5725 7 EnerGuide for Existing Hous...

AI summary The document discusses the evaluation of the EnerGuide for Existing Houses (EEH) program, including on-site visits to validate auditor compliance with EnerGuide guidelines, simulation reviews using HOT2000, and participant surveys. The evaluation involves comparing real energy consumption with simulated results to assess program effectiveness.

Econoler analyzed the EEH program manual. It contains relevant information useful for both the PM and the Evaluator. The following are recommendations in order to supplement and improve the tool: > Document important program assumptions or...

AI summary Econoler reviewed the EEH program manual and provided recommendations to improve clarity and usability, including detailing program assumptions, defining audit types, and including rebate calculation sources in the manual.

e, the content of all program manuals should be standardized based on the same template so that it is easier to locate specific sections or subjects. 3.3 PROGRAM TRACKING SHEET Econoler has reviewed the content of the tracking sheet for th...

AI summary The document discusses the need for standardizing program manuals and highlights the EEH program's tracking sheet, noting its usefulness but suggesting improvements. It also mentions that the Evaluator did not review the DSMDS system due to ongoing updates.

Demand Side Management Data System (DSMDS). At the time of writing this report, ENSC was working on the DSMDS to make it more accessible and to ensure that the information it contains is up to date. Ref.: 5725 12 EnerGuide for Existing Hou...

AI summary The report discusses the Demand Side Management Data System (DSMDS) and the EnerGuide for Existing Houses Program. ENSC is working to improve the accessibility and accuracy of the DSMDS. The EnerGuide program uses data from HOT2000 simulations and energy savings figures derived from previous evaluations to calculate gross savings.

ving the fields that are not necessary to calculate energy savings including the “estimated kWh savings for individual measures” column to facilitate understanding of the tracking sheet. > Add the period or end date of the renovation: Duri...

AI summary The report recommends adding the renovation completion date and project type to the tracking sheet to improve the accuracy of energy savings calculations and facilitate better program evaluation. These adjustments would help in conducting more thorough billing calibrations and analyzing the impact of energy efficiency measures.

axpayers). While NRCan operates on its own, ENSC acts as a single window for taxpayers and for rate payers. This is an excellent initiative as long as this does not complicate the participant process. The program uses a good approach to mo...

AI summary The EnerGuide for Existing Houses (EEH) program is reviewed for its participant process, baseline and post-retrofit monitoring, and measures to prevent double-counting savings. A $150 pre-retrofit fee is introduced to encourage genuine participation. The program improved its process with a flow chart in 2011, and Econoler provided recommendations for further improvements.

ount per house for electricity DSM. This information could be confusing and misleading and should be clarified in the program literature, including the website. 3.6 ON-SITE VISITS The on-site visits conducted as part of the evaluation of t...

AI summary The evaluation of the EEH program highlights the need for clarification in program literature regarding the electricity DSM cost per house. On-site visits were conducted to assess the ecoEnergy protocol followed by energy advisors, with the Evaluator noting that while procedures were generally followed, there were issues with the blower test approach, including inconsistent temperature measurements and improperly sealed fan holes.

e differences caused by wind fluctuations. Moreover, internal and external temperatures were not taken systematically when conducting the blower door tests. In some cases, the temperature was taken a Ref.: 5725 16 EnerGuide for Existing Ho...

AI summary The EnerGuide for Existing Houses Program evaluation report highlights issues with blower door testing practices, including inconsistent temperature measurements and improper fan hole handling, which could lead to biased results. The evaluator recommends improving client communication and better documentation of house parameters for more accurate HOT2000 simulations.

the program, the program partners believe that ENSC and the Province should increase funding to compensate for the loss of federal funds and add new rebates for additional insulation and air sealing. The most important barrier identified b...

AI summary Program partners suggest increasing funding for ENSC and the Province to compensate for lost federal funds and introduce new rebates for insulation and air sealing. Key barriers include uncertainty about program continuation, lack of awareness, and insufficient incentives. EAs recommend refining the HOT2000 software and adjusting rebate levels to better reflect energy savings.

label and designation were less important (mean of 6.8), while previous experience was not deemed important (mean of 4.6). Table 10: Importance of Program in Influencing Decisions Mean Rating: 2011 10= “extremely important” and 0= “not imp...

AI summary The evaluation report indicates that program incentives and information from energy auditors were highly valued by respondents, while the EnerGuide label and previous experience with similar programs were less important. Most respondents implemented recommended energy efficiency measures.

ded (keeping in mind that some of these respondents might have only been given recommendations for one measure). Finally, six percent of respondents did not implement any of the measures recommended. Table 11: Implemented Energy Efficiency...

AI summary The evaluation report highlights that 50% of participants implemented all recommended energy efficiency measures, while 42% implemented some, and 6% implemented none. Electronic programmable thermostats and exposed pipe insulation were the most commonly recommended and implemented measures, whereas high-efficiency heat pumps and drain water heat recovery units had the lowest implementation rates.

2009 as well. A small number did not have the financial means to implement the measure (6%), they were too busy (6%), they did not believe they needed it (3%) or the rebate was not big enough (3%). Ref.: 5725 25 EnerGuide for Existing Hous...

AI summary The EnerGuide for Existing Houses (EEH) program evaluation found that the primary reason participants did not implement recommended energy efficiency measures was the high cost. The evaluator suggests providing information on expected savings in pre-retrofit reports to reduce perceived cost barriers.

rom prescriptive measures are necessary to calculate program gross savings. The methodology for evaluating these elements is described in the following sections. 4.2.1 Savings per EnerGuide Point In 2011, ENSC calculated a portion of the p...

AI summary The document discusses the methodology used by ENSC in 2011 to calculate energy savings per EnerGuide point, referencing a 1,047 kWh figure from the 2010 EEH program evaluation report. Econoler later sampled 25 projects to estimate and calibrate these savings using billing information.

A number of projects were missing at least one of the three essential categories of data (initial and final EnerGuide ratings, and percentage of electric space heating). The EnerGuide rating of other projects also decreased or remained unc...

AI summary The analysis of energy efficiency projects excluded those missing essential data, with unreliable EnerGuide ratings, or lacking electric space heating. Sampling ensured representation from all six energy advisor companies and included at least one project for each of six prescriptive measures analyzed.

very with an efficiency of 42 percent or greater;  solar domestic hot water heating system (solar DHW);  electric hot water heater tank wrap; and  electric hot water heater pipe insulation and programmable thermostats. Econoler used the...

AI summary The document discusses the sampling process conducted by Econoler for the EnerGuide for Existing Houses Program. A representative sample of 25 projects was selected based on specific criteria, including efficiency ratings and types of energy-saving measures. The sample was compared to the overall project population using average EnerGuide ratings and energy savings.

ator decided to use the average savings value (1,089 kWh per EnerGuide point) calculated from the first simulation analysis for further energy savings calculations. Calibration of Simulation Results A billing review was conducted to evalua...

AI summary Econoler conducted a billing review to calibrate HOT2000 simulation results against actual energy consumption data from NSPI. Six sets of data were discarded due to unreliability, significantly affecting the regression analysis. The average savings value of 1,089 kWh per EnerGuide point was used for further calculations.

ly; i.e., from 8 percent to more than 70 percent. With this in mind, the sample of 17 projects may not be considered as being large enough for calculating a reliable adjustment factor. In light of the above, Econoler elected to adopt a con...

AI summary Econoler analyzed energy savings data from 17 projects and found that the adjustment factor for simulated savings per EnerGuide point should be 25% due to overestimation ranging from 8% to 71%. No correlation was found between EnerGuide ratings and overestimation levels.

No modification Solar DHW Reduction of electricity consumption (if electrical space heating) In conclusion, four prescriptive measures have to be evaluated separately from the EnerGuide point analysis. Their gross savings will be calculate...

AI summary The text discusses the evaluation of energy savings from prescriptive measures, including solar DHW and drain water heat recovery systems. It references the EnerGuide program and the OPA report, which provides unitary savings values based on assumptions about shower usage and system efficiency.

y. For its calculations, the OPA, however, considered a high use case. Accordingly, the shower rate was assumed to be three per day, eight minutes per shower. The estimated shower flow was 6.5 liters Ref.: 5725 41 EnerGuide for Existing Ho...

AI summary The OPA used a high-use scenario for shower calculations, estimating 6.5 liters per minute flow and 8 minutes per shower. It calculated 816 kWh of annual electricity savings per unit for drain water heat recovery systems, based on the 2011 EnerGuide report. ENSC applied a similar value for its 2011 impact calculations.

temperature set back, the savings per housing resulted from a billing analysis regression which compared the consumption of houses with electronic thermostats and houses with programmable thermostats. As the unitary savings value of 63.15...

AI summary Econoler evaluated the savings from programmable thermostats in Nova Scotia, considering data from Hydro-Québec and field data from the EP-DI program. They adjusted savings estimates based on housing types and assumed most participants lived in single-detached homes, leading to an estimated unitary savings of 221 kWh per year.

timated the total unitary savings value associated with the installation of a programmable thermostat at 221 kWh per year. This latter figure was used in the EEH program impact evaluation for 2011. 14 Hydro-Québec – Laboratoire des technol...

AI summary The document discusses the unitary savings value for programmable thermostats and solar DHW systems under the EnerGuide for Existing Houses Program. It references Hydro-Québec and the OPA report for data on energy savings and usage patterns.

gram were removed from the program tracking sheet as soon as the pilot projects would start. The two energy-efficient products subject to double-counting were pipe insulation and hot water tank wraps. The next sections present the analysis...

AI summary The document discusses the removal of pilot projects from the program tracking sheet and the analysis of energy savings for 13 W CFLs. It highlights the use of metering data from Hydro-Québec to adjust daily usage estimates and calculates a unitary savings value of 46.3 kWh for 13 W CFLs.

69.5 1000 Therefore, the unitary savings estimation of 241 kWh was adjusted to 69.5 kWh. LEDs ENSC did not record the power capacity of the installed LEDs. Therefore, Econoler based the energy savings evaluation on the average power given...

AI summary The unitary savings estimation for LEDs was adjusted from 241 kWh to 69.5 kWh due to inaccurate power capacity data. Econoler used an average of 7 watts per LED and adjusted daily usage based on Hydro-Québec metering data, resulting in a revised unitary savings of 32.5 kWh.

e, Econoler considers more accurate to use the daily usage of 2.7 hours from Hydro-Québec’s metering study. The review resulted in a unitary savings value for 7 watt LEDs of 32.5 kWh, as shown below. 40 7 2.7 365 32.5 1000 19 Pacific Gas a...

AI summary Econoler suggests using Hydro-Québec’s metering study to estimate daily usage at 2.7 hours. A unitary savings value of 32.5 kWh was calculated for 7 watt LEDs. ENSC estimates 26 kWh savings for LED nightlights based on a technical reference manual from the Pennsylvania Public Utility Commission.

average operating time of 12 hours a day, Econoler calculated a unitary savings value of 29.3 kWh. This value will be used in the gross savings calculations for the installation of LED nightlights. 21 Pennsylvania Public Utility Commission...

AI summary The document discusses energy savings values for various home efficiency measures, including LED nightlights, electric kettles, and faucet aerators. These values are based on studies by Econoler and Navigant, with some values carried forward from previous evaluations.

o account the operation mode of standard electrical heating systems (base case), which do not operate continuously but on a cyclic basis (full load/partial load/off) depending on heat requirements. 25 In January 2012, the firm Navigant con...

AI summary The text discusses the operation of standard electrical heating systems and their impact on energy and demand savings calculations. It references a 2012 confirmation by Navigant that ETS unit demand savings were excluded from 2011 targets, and provides technical details on heating load curves and calculations from CanmetEnergy and ASHRAE.

ction 4.2.1). The equation used by HOT2000 to define the output capacity of the space heating system is shown below. Calculated output capacity = design heat loss 1.10 + 0.5 kW The results for the 25 D-audit models show a distribution of t...

AI summary Econoler calculated the average heating capacity of studied houses as 12.5 kW and applied an 80% diversity factor to estimate ETS demand savings. This led to a unitary peak demand savings of 10 kW for ETS units installed on central heating systems.

TS units installed on central heating systems (either forced air furnaces or central hydronic systems), Econoler therefore assumed the unitary peak demand savings for the latter ETS units to be 10 kW. Regarding the ETS room units, Econoler...

AI summary Econoler estimated annual demand savings for different ETS units, assuming 10 kW for forced air furnaces and central hydronic systems, and 4 kW per room unit, up to 10 kW per project. These calculations were used to revise gross savings for the EnerGuide for Existing Houses Program, incorporating a line loss factor of 10.5% provided by NSPI.

105 Total Gross Demand Savings 0.0005 0.014 0.007 0.001 0.090 0.081 0 0.033 0.285 – at Generator (MW) The "LED Bulbs" category of the above table includes all the LEDs less than 10 watts and greater than 10 watts (Standard Direct Install),...

AI summary The document discusses the EnerGuide for Existing Houses Program and suggests improvements to the methodology for calculating gross demand savings. It recommends using building-specific energy consumption data simulated by HOT2000 to calculate energy savings more accurately, rather than relying on average savings per EnerGuide point.

nformation). This way of calculating the savings would be more tailored to the reality of each building than by using an average savings per EnerGuide point for all program participants. > Conduct a more thorough billing analysis to evalua...

AI summary The text suggests improving the accuracy of energy savings calculations by tailoring them to individual buildings, conducting more thorough billing analyses to adjust for HOT2000 overestimations, and randomly revising HOT2000 models to validate input data and ensure quality control.

HP or a GSHP as their main heating system, Econoler used an average coefficient of performance (COP) of 4 to adjust the potential interactive effects on the electricity consumption of heating systems. To take into account interactive effec...

AI summary The document discusses the calculation of interactive effects on electricity consumption due to heating and cooling systems. Econoler used an average COP of 4 for heat pumps and data from Statistics Canada to estimate air conditioning prevalence in Nova Scotia.

out Air Conditioning 13% x 82% = 11% 0% Weighted Interactive Effects Factor 100% -43.8% For pipe insulation and hot water tank wraps installed through the EEH program and the Direct Install pilot project, interactive effects of -100 percen...

AI summary The document discusses the calculation of interactive effects for water pipe insulation and hot water tank wraps installed through the EEH program and Direct Install pilot project. It considers a -100% interactive effect during heating periods in electrically heated homes and +100% during cooling periods in homes with air conditioning. A weighted interactive effects factor of -48.3% was calculated based on heating and cooling degree-days for Halifax.

Efficiency Nova Scotia Corporation 2011 Evaluation Report On-Site Visits 17. Explain in detail the protocol to the clients: The energy advisor should explain carefully the different elements of the protocol to the clients (program process,...

AI summary The 2011 Evaluation Report outlines key findings from on-site visits related to the Efficiency Nova Scotia Corporation's program. It emphasizes the need for energy advisors to clearly explain protocols to clients, document house parameters accurately, and properly enforce procedures for blower door tests to ensure the accuracy of HOT2000 simulations and EnerGuide ratings.

recommended, several mentioned that the distinction between eligible measures and the measures not covered by the program could be made clearer. Impact 24. Collect the building energy consumption data for each house: The Evaluation Evaluat...

AI summary The document discusses recommendations for improving the clarity of eligible measures in a program and suggests a method for calculating energy savings using HOT2000 simulation data, which would provide more accurate results tailored to individual buildings rather than using an average savings per EnerGuide point.

ion, the PM should target projects with outlier values, such as an initial EnerGuide rating below 20 or an increase of the EnerGuide rating by more than 40 points. Ref.: 5725 73 EnerGuide for Existing Houses Program Efficiency Nova Scotia...

AI summary The document discusses the EnerGuide for Existing Houses Program and its implementation by Efficiency Nova Scotia Corporation. It outlines the program theory, including the selection of delivery agencies by Natural Resources Canada and the training of energy auditors using the HOT2000 simulation software.

F 16 : What is the status for this finding? Page 1 C: As I understand it, there are 3 sources of incentives. (NRCan, ENSC and the Provincial Government. This is somewhat difficult to track? Page 2 Q: Multi-unit residential buildings where...

AI summary The text discusses challenges with the EnerGuide for Existing Houses Program, including the difficulty of tracking incentives from multiple sources, concerns about program management and consistency, and confusion over rebate calculations and financing options. Questions are raised about the accuracy of consumption and savings estimates and the clarity of program guidelines.

ll through the program. SO1. Since the time that you participated in the EnerGuide for Existing Houses Program, have you implemented one or more of the recommended upgrades on your own? 1. (Yes) 2. (No) 98. (Don’t know) 99. (Refused) [IF S...

AI summary The text outlines a survey related to the EnerGuide for Existing Houses Program, asking participants whether they implemented recommended energy efficiency upgrades and if they received financing or rebates from other Efficiency Nova Scotia programs.

d for this particular project, the latter was not considered for the remainder of the impact evaluation. Table 17 presents the number of projects completed for each type of heating system installed. Table 17: Total Number of Projects Compl...

AI summary The text discusses the distribution of heating system installations and their energy savings, highlighting that most systems were wood and pellet stoves. Despite fewer installations, pellet and natural gas furnace or boiler systems required on-site visits. Preferred regions for site selection include Halifax, Dartmouth, Sydney, Coldbrook, Kentville, and Pictou County.

on. The following regions were considered for site selection: > Halifax; > Dartmouth; > Sydney and North Sydney; > Coldbrook and Kentville; and > Pictou County. Ref.: 5725 18 Fuel Substitution Pilot Efficiency Nova Scotia Corporation 2011...

AI summary The document outlines the regions considered for site selection and details the on-site visit protocols and gross savings estimation for the Fuel Substitution Pilot conducted by Efficiency Nova Scotia Corporation in 2011. It describes the collection of information on heating and hot water systems and the calculation of gross savings based on a pilot tracking sheet.

ergy savings were allocated, a unitary savings value was defined by the PM for each type of space heating, water heating or combination retrofit offered by the pilot. 4.2.1 Unitary Savings Values The unitary savings values estimated by Dun...

AI summary The document discusses the calculation of unitary savings values for energy efficiency retrofits, using data from Navigant Consulting and the Ontario Power Authority. It notes differences in energy consumption assumptions between Nova Scotia and Ontario and suggests future billing analysis for pilot participants.

is, February 2010. 5 Ontario Power Authority (OPA), “2011 Prescriptive Measures and Assumptions,” http://www.powerauthority.on.ca/evaluation-measurement-and-verification/measures-assumptions-lists. Ref.: 5725 19 Fuel Substitution Pilot Eff...

AI summary This section discusses the methodology used to evaluate energy savings from the Fuel Substitution Pilot program by Efficiency Nova Scotia Corporation. It outlines assumptions and adjustments made by Dunsky, including electricity consumption for various heating systems, and references the use of unitary savings values in the tracking sheet.

nt of its heating needs. Moreover, information on usage of the old heat source was also collected and revealed that only one site had a supplemental heating source prior to participating in the pilot. No correction factor was established b...

AI summary The document discusses findings from a pilot program on fuel substitution, highlighting the collection of data on heating sources and the need to investigate the proportion of heating load provided by secondary sources before and after fuel substitution. Gross savings from the pilot are also calculated and presented.

Table 19: Evaluation Results – Gross Energy and Demand Savings Hybrid Natural Wood Central Pellet Wood Gas Combo Gas Natural Gas Propane Wood Pellet Furnaces Natural Furnaces Propane System Category Central Combo Pellet Boilers Condensing...

AI summary Table 19 presents evaluation results for gross energy and demand savings across various heating systems, including wood pellet furnaces, natural gas boilers, and propane systems. It lists the number of units, unitary energy savings in kWh, and total gross energy savings at the meter and generator levels, factoring in line loss.

Gross Savings NTGR Net Savings Energy Savings Tracked Savings from ENSC 2.741 GWh 0.47 1.300 GWh Evaluation Results 2.707 GWh 0.58 1.570 GWh Demand Savings Tracked Savings from ENSC 1.371MW 0.47 0.641 MW Evaluation Results 1.353 MW 0.58 0....

AI summary The text compares tracked and evaluated energy and demand savings for 2011, highlighting discrepancies between the NTGR values used in tracking and evaluation. Net energy savings are estimated at 1.570 GWh, and demand savings at 0.785 MW, with differences attributed to varying NTGR calculations.

an be explained by the difference between the NTGR calculated for this evaluation and the one applied by the PM to tracked savings. The NTGR value in the tracked savings varied from 1 for natural gas Ref.: 5725 25 Fuel Substitution Pilot P...

AI summary The text discusses discrepancies in the NTGR (Net Total Gross Savings) values used in the evaluation of the Fuel Substitution Pilot Program by Efficiency Nova Scotia Corporation in 2011. The NTGR varied between 1 and 0.23 for different systems, compared to the 0.58 value used in the evaluation.

und, or is it a seasonal home? 1. Year round residence 2. Seasonal / vacation home 96. (Other Specify _) 98. (Don’t Know) 99. (Refused) D6. Including yourself, how many people live in this residence on a full-time basis? Number of people:...

AI summary The text contains survey questions related to household characteristics, including residence type, number of occupants, age, education, and income. These questions are part of a data collection effort, likely for program evaluation or energy efficiency research.

evaluation purposes. It provides the PM with a way to continuously monitor the initial and final EnerGuide ratings, the number of each prescriptive measure implemented and the related energy savings. The electric savings are monitored diff...

AI summary The text discusses a monitoring system used by the Program Manager to track energy savings from EnerGuide ratings and prescriptive measures. It outlines how electric savings are calculated based on changes in EnerGuide ratings and the percentage of electric heating in each house.

Efficiency Nova Scotia Corporation 2011 Evaluation Report pending the final audit, the tracking sheet provides a temporary estimation of the savings based on a projection of the final EnerGuide rating (E). This projection is made during th...

AI summary Efficiency Nova Scotia Corporation (ENSC) uses a temporary estimation method for energy savings, applying a 75% realization rate for envelope measures due to incomplete final audits in 2011. The tracking sheet includes prescriptive measure savings calculated directly in cells for easier tracking. The Program Manager (PM) finds the sheet somewhat user-friendly but acknowledges its complexity.

tion is aimed at determining the gross and net savings of the program for 2011. Both energy and demand savings were considered in this evaluation. To do so, Econoler analyzed the following parameters: > outcomes from HOT2000 simulations pe...

AI summary The evaluation aims to determine the gross and net savings of a program for 2011, considering both energy and demand savings. Econoler analyzed HOT2000 simulations, prescriptive measure savings, and the energy-to-demand ratio. A billing analysis was conducted using data from 435 participants to establish consumption trends and estimate savings.

tario Power Authority (OPA) Prescriptive Measures and Assumptions report7. This document is a reliable secondary data source in which the assumptions used for savings calculations are well documented. The last part of the gross savings ana...

AI summary The document discusses the methodology used by ENSC to calculate energy savings based on EnerGuide point increases, noting that only 35% of participants had both pre- and post-audit assessments completed by 2011. Projections were used for the remaining cases, with a 75% realization rate applied to account for potential overestimation of savings.

s last percentage was used to lower the evaluated average savings per EnerGuide point (1,089 kWh) previously defined. This yielded a final savings value of 817 kWh per EnerGuide point. 9 Econoler conducted a simulation calibration based on...

AI summary The text discusses the evaluation of energy savings from EEH projects, noting that unreliable data from six projects led to the exclusion of their billing information. Econoler used data from 17 projects to calibrate a simulation and determine an adjusted average savings per EnerGuide point.

Efficiency Nova Scotia Corporation 2011 Evaluation Report For establishing the EnerGuide point increase per project, Econoler used the final EnerGuide rating (given upon completion of the E audit) when this figure was available in the prog...

AI summary The 2011 Evaluation Report discusses how Efficiency Nova Scotia Corporation (ENSC) calculated the EnerGuide point increase for projects, using either final EnerGuide ratings or projected ratings with an assumed realization rate of 75%. The report also mentions an adjustment to energy savings per EnerGuide point based on the percentage of space heating load delivered by electricity.

noler finally adjusted the savings per EnerGuide point value (817 kWh per year) in relation with the percentage of the space heating load delivered by electricity for each participant. 4.2.2 CFLs ENSC used the same unitary savings value of...

AI summary The document discusses the adjustment of energy savings values for CFLs and EnerGuide points. It outlines how ENSC used a unitary savings value of 41 kWh for all CFLs based on past evaluations and how Econoler revised this value for different CFL categories. The analysis also considers the replacement of incandescent bulbs and daily usage patterns.

the respondents’ answers. The review resulted in a unitary savings value for 13 watt CFLs of 46.3 kWh, as shown below. ( ) 23 Watt CFLs For estimating the unitary savings value for 23 watt CFLs, the average displaced wattage was estimated...

AI summary The document discusses the calculation of unitary savings values for 13 watt and 23 watt CFLs, based on data from the Efficient Products – Direct Install program and ENERGY STAR equivalency tables. The displaced wattage for 23 watt CFLs was estimated at 70.5 W, leading to a savings value of 69.5 kWh.

( ) 10 Econoler, “Evaluation Report: Programme Produits Mieux Consommer – Éclairage résidentiel,” presented to Hydro- Québec, Quebec, March 30, 2011. Ref.: 5725 30 Low Income Program Efficiency Nova Scotia Corporation 2011 Evaluation Repor...

AI summary This section discusses the evaluation of specialty CFLs and their energy savings, using data from Econoler's 2011 RMP evaluation and adjusting for daily usage based on a Hydro-Québec study. The unitary savings value was adjusted to 49.8 kWh per year, consistent with Efficiency Nova Scotia Corporation's calculations.

ent with that used by ENSC in its gross impact calculations; i.e., 41 kWh per year. ( ) 4.2.3 Flush-Mount CFLs and CFL Porch Lights In 2011, ENSC promoted the installation of flush-mount CFLs and CFL porch lights under the Low Income progr...

AI summary The 2011 Low Income Program by ENSC included the promotion of flush-mount CFLs and CFL porch lights with a unitary savings value of 34 kWh per year. These products accounted for a negligible portion of total program savings. Econoler opted to use a higher unitary savings value of 49.8 kWh per year for specialty CFLs.

Efficiency Nova Scotia Corporation 2011 Evaluation Report 4.2.4 CFL Torchieres ENSC estimated the unitary savings for CFL torchieres at 241 kWh per year. This figure was based on the Navigant study mentioned earlier. The assumptions used t...

AI summary The document evaluates the energy savings from CFL torchieres and LED nightlights. ENSC estimated 241 kWh/year for CFL torchieres but this was adjusted to 69.5 kWh/year based on Econoler's analysis. For LED nightlights, ENSC used a 26 kWh/year savings estimate based on a Pennsylvania Public Utility Commission technical reference manual.

htlights. The assumptions behind this savings calculation are presented in the table below. 13 Pennsylvania Public Utility Commission, “Technical Reference Manual,” Pennsylvania, June 2011. Ref.: 5725 32 Low Income Program Efficiency Nova...

AI summary The document discusses energy savings calculations from replacing incandescent nightlights with LED nightlights under the Low Income Renter program. It provides parameters such as wattage, operating time, and annual savings, and references a technical manual from the Pennsylvania Public Utility Commission.

o replace old nightlights, which are traditionally made of a 7 W incandescent light. Such replacement resulted in an average displaced wattage of 6.7 W, which was used by Econoler for this evaluation. The 12-hour/day operation time used by...

AI summary The document discusses energy savings calculations for LED nightlights and programmable thermostats. It outlines the displaced wattage and operating time used to calculate unitary savings values, referencing the Pennsylvania Public Utility Commission and the OPA report for thermostat savings.

Efficiency Nova Scotia Corporation 2011 Evaluation Report For the calculation of savings due to the temperature set back, the savings per housing resulted from a billing analysis regression which compared the consumption of houses with ele...

AI summary This evaluation report discusses the calculation of energy savings from thermostat replacements in Nova Scotia. It compares theoretical engineering calculations with field data from Hydro-Québec and LTE tests, and addresses the need to adjust savings based on housing types in the low-income market.

Efficiency Nova Scotia Corporation 2011 Evaluation Report Based on the OPA report, ENSC used a unitary savings value of 53 kWh per year for each energy- saving power bar installed. The OPA calculated the annual savings for this product usi...

AI summary Efficiency Nova Scotia Corporation used a unitary savings value of 53 kWh per year for power bars with integrated timers, based on the OPA report. This value was calculated using a weighted average of savings across different device categories. Econoler confirmed this value after on-site visits showed that most power bars were installed on entertainment centre devices.

ed to keep a conservative approach and considered neither additional consumption nor energy savings for the new dehumidifiers installed in houses where there was no dehumidifier before the project. 19 The Cadmus Group, Evaluation of the On...

AI summary In 2011, Efficiency Nova Scotia Corporation (ENSC) promoted replacing old refrigerators with more efficient models through the Low Income program. A unitary savings value of 850 kWh per year was used, based on prior evaluations. Econoler estimated that replacing old refrigerators with ENERGY STAR models could save 817 kWh per year.

estimated at 1,104 kWh, from the annual consumption of new ENERGY STAR models, corresponding to 287 kWh on average. Table 23: Unitary Savings Calculation for Refrigerator Replacement Parameters Values Base Annual Consumption – Old Refriger...

AI summary The document discusses energy savings from replacing inefficient refrigerators and freezers with ENERGY STAR models. Unitary savings figures are provided, based on evaluations from 2010 and 2011, showing significant reductions in annual energy consumption.

tor of 1.12. As for refrigerator retirements, the average consumption of old freezers was obtained from the metering activity conducted at the ARet program recycling facility. 4.2.14 Faucet Aerators In 2011, faucet aerators were installed...

AI summary The text discusses the estimation of unitary savings for faucet aerators installed through the Low Income program and First Nation pilot project. Econoler used the OPA unitary savings value of 176.3 kWh per year, considering it more appropriate than other studies due to its alignment with Canadian standards and prior acceptance for ENSC programs.

alues from the OPA were already deemed acceptable for most products promoted through ENSC programs. Therefore, the unitary savings value that was used in the current evaluation was 176.3 kWh per year. The OPA calculated an average unitary...

AI summary The document discusses the unitary savings values for faucet aerators and low-flow showerheads used in Efficiency Nova Scotia Corporation (ENSC) programs. The savings values are based on data from the Ontario Power Authority (OPA) and other sources, with specific assumptions made about installation locations and energy use.

electricity. Otherwise, Econoler set the unitary 21 Natural Resources Canada, Personal: Residential – Better Water Use Means Bigger Savings, http://www.oee.nrcan.gc.ca, date modified: 2009-06-26. Ref.: 5725 41 Low Income Program Efficiency...

AI summary The document discusses energy efficiency programs, specifically focusing on the savings values for low-flow showerheads and pipe insulation under the Low Income Program and First Nation pilot project. Econoler used a unitary savings value of 377 kWh per showerhead and 74 kWh per year per 10 feet of insulated pipe, based on evaluations and reports.

ed pipe size found in the OPA report. In addition, the Evaluator calculated savings for this product only when the energy used for domestic water heating was electricity. 4.2.17 Hot Water Tank Wraps Hot water tank wraps were installed in h...

AI summary The text discusses the evaluation of energy savings from hot water tank wraps and low-flow showerheads under the Low Income program in 2011. It references savings estimates from the OPA report and the 2009 impact evaluation of the Low Income Homeowner program. The Evaluator considered only electricity usage for domestic water heating in calculating savings.

Efficiency Nova Scotia Corporation 2011 Evaluation Report 4.2.18 Energy-to-Demand Ratio Econoler calculated the demand savings for the Low Income program based on an energy-to-demand ratio of 4.68 GWh/MW. This ratio was obtained from the a...

AI summary The 2011 Evaluation Report discusses the calculation of demand savings for the Low Income program using an energy-to-demand ratio of 4.68 GWh/MW. It also presents revised gross savings for the program, including energy and demand savings at both the meter and generator levels, using a line loss factor of 1.050 provided by ENSC.

Demand Savings 0.202 0.808 0.145 0.003 0.001 0.001 0.003 0.052 0.068 0.017 0.012 – at the Generator (MW) In the "Savings per EnerGuide Point" column, the number of units is in fact the number of participants where a D audit was conducted a...

AI summary The document discusses demand savings data and references a 2011 evaluation report by Efficiency Nova Scotia Corporation on a low-income program. It includes details on savings per EnerGuide point and mentions the EEH program impact evaluation.

Efficiency Nova Scotia Corporation 2011 Evaluation Report 4.3 INTERACTIVE EFFECTS In a residence, interactive effects occur when the implementation of energy efficiency measures has an impact on the energy consumption of other elements suc...

AI summary This section discusses interactive effects in energy efficiency programs, specifically how replacing inefficient lighting with CFLs or LEDs in low-income homes affects heating and cooling loads. A -9.8% interactive effects factor was applied based on a 1992 study, adjusted for modern construction practices.

imum interactive effects was selected for 2011 program impact calculations because it enabled the Evaluator to account for the evolution of construction practices in the residential sector since 1992. Then, the Evaluator adjusted the inter...

AI summary The evaluation of program impacts in 2011 considered interactive effects by adjusting factors based on the proportion of electric heating among Low Income program participants. For non-electric heating, no interactive effects were considered. Interactive effects on space cooling were also adjusted based on the presence of air conditioning units.

1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Total Net Energy Savings 0.855 3.085 0.556 0.012 0.003 0.004 0.010 0.200 0.287 0.073 0.051 (GWh) – at the Meter Line Loss Factor 1.105 1.105 1.105 1.105 1.105 1.105 1.105 1.105 1.105 1.105...

AI summary The document presents numerical data on energy savings and demand savings across various metrics, including total net energy savings at the meter and generator, demand savings, and interactive effects. It includes factors such as line loss and NTGR, with values provided for different categories.

Dehumidifier New Fridge Freezer Fridge Freezer Low-Flow Hot Water Faucet Pipe Product Category Repla- Dehumi- Repla- Repla- Retire- Retire- Aerators Shower- Insulation Tank cements difiers cements cements ments ments heads Wraps Energy Sav...

AI summary The text provides a table detailing energy savings for various products, including dehumidifiers, fridges, freezers, low-flow faucets, aerators, shower heads, and insulation. It includes metrics such as total gross energy savings, interactive effects factor, NTGR, line loss factor, and total net energy savings at the meter.

rgy and demand savings were higher than those calculated by ENSC. The difference between the tracked and evaluated results can be explained by the revision or the addition of the following parameters: > Unitary savings values: For several...

AI summary The document discusses discrepancies between tracked and evaluated energy and demand savings, attributing the differences to revised unitary savings values for various products, including programmable thermostats, faucet aerators, and CFLs, as well as downward revisions for some other measures. The impact of these changes on the overall realization rate is noted.

inconsistencies. In a few cases, the tracking sheet indicated that the house was not using any electricity for space heating (0 percent for electric heating) while other fields indicated that the primary or secondary source for space heati...

AI summary The text highlights inconsistencies in tracking sheets related to building energy consumption data and recommends developing an evaluation plan for programs in parallel with their design and implementation. It suggests using HOT2000 energy consumption data instead of EnerGuide ratings for more accurate calculations and emphasizes the importance of collecting key variables early in the process.

Efficiency Nova Scotia Corporation 2011 Evaluation Report PP-R2. Improve program communication: The main recommendations expressed by homeowner participants were related to communication improvements. More specifically, the surveyed partic...

AI summary The 2011 Evaluation Report for Efficiency Nova Scotia Corporation highlights the need for improved program communication and the inclusion of HOT2000 simulation data in tracking sheets to more accurately calculate energy savings. Homeowner participants emphasized the need for more information and advertising, and the Evaluator recommends using simulated energy consumption data for precise savings calculations.

on). This way of calculating savings would be more tailored to the reality of each building than by using an average savings per EnerGuide point for all program participants. PP-R4. Revise HOT2000 models on a random basis: The Evaluator or...

AI summary The text discusses revisions to the HOT2000 models and the inclusion of a percentage of heating delivered by electricity in ENSC's tracking sheets to improve the accuracy of energy savings calculations. It also mentions the need for random model reviews and detailed records from energy advisors.

tion after registration in the program. A final inspection and a blower door test are completed once the home is built to assess the home’s level of efficiency and to provide a final EnerGuide rating. Based on the EnerGuide rating provided...

AI summary The Performance Plus Program provides incentives based on EnerGuide ratings after a final inspection and blower door test. Rebates can be paid to the homeowner or builder, with the homeowner needing to confirm consent for direct payment to the builder. HOT2000 software is used for EnerGuide ratings and was developed by CanmetENERGY.

systematically entered for these fields. Conversely, the fields that are not utilized should be removed from the tracking sheet in order to concentrate the efforts on the essential. > Delete fields for individual measures savings for which...

AI summary The text discusses improvements to a tracking sheet for the Performance Plus program, including removing unnecessary fields, differentiating applicants, and adding fields for energy consumption data. The focus is on streamlining the sheet for better accuracy and clarity in energy savings calculations.

y consumption data from HOT2000. Econoler recommends adding fields for building energy consumption per year in kWh for both a baseline house built to code and the house as completed. > Ensure that all fields are systematically filled in: O...

AI summary The text discusses recommendations for improving data collection in energy efficiency programs, including the use of the HOT2000 simulation software and the need for systematic data entry. It also mentions on-site visits conducted as part of the Performance Plus Program evaluation to ensure proper implementation of energy efficiency measures.

ng the test. As defined by the protocol, sinks, floor drains and siphons were also properly filled with water. Taking into account the findings of the two on-site visits, the Evaluator recommends to: > Explain in detail the protocol to the...

AI summary The Evaluator recommends improving client education about the protocol, documenting house parameters with photographs for accurate HOT2000 models, and enforcing proper procedures for blower door tests to ensure accurate EnerGuide ratings.

ary demand savings per electric thermal storage (ETS) system installed. The next sections detail the gross savings calculations for each of these four features. 4.2.1 Energy Savings Calculation The next sections present the three key featu...

AI summary The document discusses the calculation of energy savings under the Performance Plus program, focusing on the EnerGuide baseline for new houses. The baseline was adjusted from 73 to 80 in 2010 to align with updated building codes, and further studies in 2011 were conducted to refine this value for more accurate energy savings calculations.

Efficiency Nova Scotia Corporation 2011 Evaluation Report Table 15: Results of the EnerGuide Baseline Studies No Author Methodology Sample Air Change Range of Average Size Rate EnerGuide EnerGuide (ACH50)8 Ratings Rating Calculated 1 Nova...

AI summary This table presents results from EnerGuide Baseline Studies conducted by various organizations in Nova Scotia, including the Nova Scotia Home Builders' Association and Natural Resources Canada. The studies assess air change rates and EnerGuide ratings for homes built under different programs and standards.

tainable Results from tests of Housing homes that were built to 10 1.45 77 to 81 79.1 code in 2011 The first three studies demonstrated that the average EnerGuide rating should be around 77 for new houses being built to code in Nova Scotia...

AI summary The document discusses the average EnerGuide ratings of new homes built to code in Nova Scotia, noting discrepancies between studies. It highlights differences in air change rates (ACH50) across various studies, which significantly affect EnerGuide ratings. The NSHBA, NRCan, and Sustainable Housing studies show varying results, with the latter suggesting a lower average air change rate.

ivering heating throughout the year. In contrast, ENSC did not claim savings when the main heat source was not electricity (oil, natural gas, etc.), even though the backup heating system was electric. For the 2011 Performance Plus program...

AI summary The evaluation of the 2011 Performance Plus program used energy savings coefficients from the 2011 EEH program. Econoler analyzed 23 EEH projects and found an average energy savings of 1,089 kWh per EnerGuide point, which was used as the basis for energy savings computation.

sly calculated EnerGuide savings per point (1,089 kWh). Econoler decided to use the first energy savings coefficient (i.e., 1,089 kWh per EnerGuide point) as a basis for energy savings computation. Ref.: 5725 23 Performance Plus Program Ef...

AI summary Econoler evaluated the accuracy of HOT2000 simulations used in the Performance Plus Program and found that they overestimated electricity consumption by about 25%. This led to an adjustment in the calculated energy savings per EnerGuide point, reducing it from 1,089 kWh to 817 kWh.

rescriptive measures that are not taken into account in HOT2000 simulations. The savings values used by ENSC for this calculation are taken from the 2010 Performance Plus program evaluation report. 9 Econoler conducted a billing analysis o...

AI summary The evaluation of the Performance Plus program by Econoler identified that five prescriptive measures were not accounted for in HOT2000 simulations. These measures include drain water heat recovery systems, electric hot water heater pipe insulation, and programmable thermostats. Additionally, billing data from six projects was found to be unreliable or unusable.

N/A Total Gross Energy Savings 3.431 0.002 0.040 0.003 0 0.055 0 0.259 N/A N/A N/A – at Generator (GWh) Demand Savings Unitary Savings (kW) N/A N/A N/A N/A N/A N/A N/A N/A 10 10 4 Energy-to-Demand Ratio 3.77 3.77 3.77 3.77 3.77 3.77 3.77 3...

AI summary The text presents numerical data on energy and demand savings across various metrics, including total gross energy savings, demand savings, energy-to-demand ratios, and line loss factors. It also includes notes on how savings were calculated, such as the use of EnerGuide points and specific conditions for certain energy-saving measures.

rgy savings for hot water tank wraps and solar domestic hot water heating (solar DHW) were calculated only when there was no electrical space heating and when the water heating system was electric. Ref.: 5725 28 Performance Plus Program Ef...

AI summary The 2011 Performance Plus Program achieved estimated energy savings of 3.20 GWh at the meter and 3.53 GWh at the generator, with peak demand savings of 1.14 MW and 1.26 MW respectively. Econoler recommends using detailed building energy data and HOT2000 simulations to improve future impact calculations.

mation). This way of calculating the savings would be more tailored to the reality of each building than by using an average savings per EnerGuide point for all program participants. > Revise HOT2000 models on a random basis: The Evaluator...

AI summary The text discusses improving the accuracy of energy savings calculations in efficiency programs by tailoring methods to individual buildings, validating HOT2000 models, and adjusting for the percentage of heating delivered by electricity. These changes aim to reduce uncertainty and improve the representativeness of savings claims.

s information can be collected from HOT2000 simulation results. The delivery agents should be able to verify this information on site during their audit with program participants. Ref.: 5725 29 Performance Plus Program Efficiency Nova Scot...

AI summary The Performance Plus Program involves installing energy-efficient lighting (CFLs) which affects heating and cooling loads in homes. CFLs reduce heat output, increasing winter heating demand and decreasing summer cooling demand.

imum interactive effects was selected for 2011 program impact calculations because it enabled the Evaluator to account for the evolution of construction practices in the residential sector since 1992. Then, the Evaluator adjusted the inter...

AI summary The document discusses the methodology used to calculate program impacts in 2011, focusing on adjusting interactive effects factors based on the proportion of electric heating systems among program participants and the presence of air conditioning units. Adjustments were made using data from the program tracking sheet and Statistics Canada.

esidences in Nova Scotia that are mainly heated by electricity and those that have air conditioning units or systems. Table 18: Interactive Effects Factor for CFLs Parameters % of Residences Interactive Effects Electric Baseboard Heating w...

AI summary The document discusses the interactive effects factor for compact fluorescent lamps (CFLs) in different residential heating and air conditioning scenarios, as well as the interactive effects of pipe insulation and hot water tank wraps in electrically heated homes and those with air conditioning. The weighted interactive effects factor for CFLs is calculated as -29.1%.

ed on the heating and cooling degree-days for the region of Halifax,17 Econoler considered an eight-month period of heating and a two-month period of cooling in the interactive effects calculation. 17 RETScreen International, Normalized cl...

AI summary The document discusses the calculation of interactive effects for water pipe insulation and hot water tank wraps, using heating and cooling degree-days for Halifax. It includes a weighted interactive effects factor of -31.3 percent, derived from data on residential heating and cooling methods in Nova Scotia.

Program 1. Determine the required fields and remove those that are unnecessary: The Tracking PM, together with the Evaluator, should determine what fields are necessary for Sheet administration and evaluation purposes and ensure that the i...

AI summary The document outlines steps to improve the tracking sheet for the Performance Plus program, including removing unnecessary fields, deleting fields related to energy savings already included in EnerGuide ratings, and differentiating applicants such as building owners, occupants, or builders.

Impact 12. Collect the building energy consumption data for each house: The Evaluation Evaluator recommends calculating the energy savings of each participant through the energy consumption data simulated by HOT2000. The energy consumption...

AI summary The text discusses methods for evaluating energy savings in residential buildings using simulation tools like HOT2000. It suggests calculating savings based on simulated data, revising models randomly for validation, and adjusting for the percentage of heating delivered by electricity to improve accuracy in impact calculations.

tracking sheet should include a percentage (ranging from 0 to 100%) to take into account houses that are not fully heated with electricity year-round. In the EEH program savings calculations, this percentage is collected for each participa...

AI summary The tracking sheet should include a percentage to adjust savings calculations for homes not fully heated with electricity. The Evaluator suggests increasing the number of interviews with home builders to better assess market effects of energy efficiency programs.

u built so far in 2011 in Nova Scotia? (or try to get a percentage per type) [IF RESPONDENT FINDS IT DIFFICULT TO GIVE AN EXACT NUMBER, ASK FOR A PERCENTAGE OF ANSWER TO A1] Ref.: 5725 Performance Plus Program Efficiency Nova Scotia Corpor...

AI summary The text is part of an evaluation report for the Performance Plus Program by Efficiency Nova Scotia Corporation in 2011. It includes questions about the number of residential units built under the program and the measures implemented. It also addresses free-ridership by asking whether the same number of energy-efficient homes would have been built without the program's rebate.

required for savings calculations. As it is featured now, the information in that cell does not allow the Evaluator to systematically validate the savings calculations by reproducing that calculation. The number of products, their characte...

AI summary The document highlights issues with the current tracking sheet used for savings calculations in energy efficiency programs, noting that it lacks systematic validation capabilities. It mentions that product details and standard values are used by program managers, and that some methodologies are based on Efficiency Vermont and US-EPA studies. Recommendations are made for adjustments to improve validation and consistency.

of total savings. Thus, the remaining seven sites to be sampled, after the selection based on technology, were allocated to lighting measures, for a total of eight on-site visits for this category. Table 17: Energy Savings per Category for...

AI summary The document outlines energy savings data categorized by type, including lighting, HVAC, and refrigeration, with a focus on sampling sites in regions near major city centres. The Business Energy Rebates Program and Efficiency Nova Scotia Corporation are highlighted in the context of a 2011 evaluation report.

nt. The evaluator recommends increasing the number of on-site visits conducted for this category of measures and including on-site visits for motor installations. 4.2.4 Occupancy Sensor Measures Savings are calculated as a percentage of re...

AI summary The evaluator suggests increasing on-site visits for motor installations and occupancy sensor measures. Savings for occupancy sensors are calculated based on reduced hours of operation and lamp wattage. One on-site visit increased energy savings by 0.1 percent for the category, but the adjustment was not applied universally due to limited data from a single site.

the number of on-site visits conducted for this category of measures should be increased in order to obtain adjustment values that could be applied to all projects. 4.2.5 Refrigeration Measures Average values are used for heat gains, while...

AI summary The document discusses the need for increased on-site visits for refrigeration measures to obtain adjustment values and improve savings evaluation. It also addresses the diversity factor and peak demand periods in Nova Scotia, recommending the use of the 5 p.m. to 7 p.m. timeframe for evaluation.

Efficiency Nova Scotia Corporation 2011 Evaluation Report 4.3 INTERACTIVE EFFECTS Interactive effects occur when the implementation of energy efficiency measures has an impact on the energy consumption of other elements such as heating and...

AI summary The evaluation report discusses interactive effects of energy efficiency measures, specifically how replacing regular lighting with efficient lighting and installing occupancy sensors in the BER program affects heating and cooling loads. A -7.7% interactive effects factor was applied, based on a 1992 study by ADS for Hydro-Québec using DOE2 software simulations on electrically heated buildings.

ec in order to determine the impact of these changes on heating and cooling systems. The simulations were performed with the DOE2 software and only focused on buildings heated entirely by electricity. The following table presents the calcu...

AI summary This section discusses the use of DOE2 software to simulate the impact of energy efficiency changes on heating and cooling systems in electrically heated buildings. It also outlines data collection methods and recommendations for improving future evaluations of interactive effects factors.

Efficiency Nova Scotia Corporation 2011 Evaluation Report Normal week/holidays Please fill the table below for each lighting schedule reported by the site contact lighting operation schedule as usage could vary for each section of the faci...

AI summary The document provides a template for reporting lighting operation schedules and measures information as part of an evaluation report by Efficiency Nova Scotia Corporation in 2011. It includes sections for recording installation dates, usage hours, and schedule numbers for different lighting sections.

if several types are encountered per OCC, indicate each type (On site validation): Number – Lamps controlled by OCC; if several types are encountered per OCC, indicate each type (On site validation): Wattage of lamps controlled by (From da...

AI summary The document contains forms and tables related to energy usage and equipment details, specifically focusing on lighting, cooling, heating, and refrigeration systems. It includes information on wattage, operation hours, and equipment schedules, likely for the purpose of evaluating energy efficiency programs.

lamps: - 32 W high-performance T8 (HPT8) lamps (HPT8-32W) - 28 W reduced-wattage T8 lamps (RW-T8-28W) - 25 W reduced-wattage T8 lamps (RW-T8-25W); and > HPT8 ballasts. The program is both a resource acquisition and a market transformation...

AI summary The Smart Lighting Choices (SLC) program, operated by Efficiency Nova Scotia Corporation, aimed to achieve 8.04 GWh of electricity savings in 2011. It includes high-performance T8 lamps, reduced-wattage T8 lamps, and HPT8 ballasts. The program also incorporated the Upstream Business Energy Rebates (UBER) sub-program, which targeted specific energy-efficient products and was evaluated under the SLC program.

W 34 W – 32 W = 2 W RW-T8-28 W 34 W – 28 W = 6 W RW-T8-25 W 34 W – 25 W = 9 W HPT8 lamps are characterized by a higher lumen production per watt compared to standard T8 lamps. The National Center for Appropriate Technology (NCAT) indicates...

AI summary The text discusses the energy efficiency of HPT8 lamps compared to T12 lamps, noting higher lumens per watt and potential for de-lamping. It outlines the methodology used to calculate ballast savings for HPT8 ballasts based on wattage differences and unit sales in 2010. Econoler recommends further investigation of de-lamping during future evaluations by ENSC.

Sales Number of Category of Products Products Sold LED Downlights 555 LED Wall Packs 784 T5 High Bay Fixtures 134 T8 High Bay Fixtures 45 Occupancy Sensors 214 For each of these products, unitary savings values were calculated by the PM us...

AI summary The text provides data on the number of energy-efficient products sold and discusses the methodology used to calculate energy savings for these products. Savings values were based on the Efficiency Vermont 2006 technical reference manual and were not revised. The hours of operation for the SLC program were set at 3,400 annually, derived from historical data and compared to participant declarations and other jurisdictions.

nge and Rockland Utilities. For this evaluation, the 3,400 value was compared to the hours of operation declared by participants during on-site visits and to values obtained from other jurisdictions. During on-site visits, participants rep...

AI summary The evaluation report compares the 3,400 value to the average of 3,900 hours of operation per year reported by participants during on-site visits and to data from other jurisdictions, including the OPA report and California energy databases.

s. 3 Ontario Power Authority (OPA), “2011 Quasi Prescriptive Measures and Assumptions,” http://www.powerauthority.on.ca/evaluation-measurement-and-verification/measures-assumptions-lists. Ref.: 5725 17 Smart Lighting Choices Program Effici...

AI summary The 2011 evaluation report for the Smart Lighting Choices Program discusses the calculation of diversity factor and revised gross savings. The diversity factor of 73% was determined based on peak demand periods and facility schedules. Revised gross savings were calculated using adjusted wattage values, hours of operation, installation rates, and a line loss factor of 1.062 provided by Nova Scotia Power.

or each category of commercial and industrial customers, with the total customer sales of the corresponding projects. The line loss factor values were provided by Nova Scotia Power for each rate code. The total savings obtained for each pr...

AI summary The text discusses energy and demand savings from the Smart Lighting Choices (SLC) program and its UBER sub-program, providing figures for gross energy savings at both the meter and generator levels, as well as demand savings. The data is presented in Table 9 from an evaluation report.

ec in order to determine the impact of these changes on heating and cooling systems. The simulations were performed with the DOE2 software and only focused on buildings heated entirely by electricity. The following table presents the calcu...

AI summary The text discusses simulations conducted using DOE2 software to assess the impact of changes on heating and cooling systems in electrically heated buildings. It highlights the exclusion of certain data due to non-representative samples and recommends collecting more detailed information on heating sources and air conditioning use for better evaluation of interactive effects.

Parameters Buildings Electric heating with air conditioning 14.71% -43.4% Electric heating without air conditioning 8.82% -49.0% No electric heating with air conditioning 52.94% 5.7% No electric heating without air conditioning 23.53% 0.0%...

AI summary The document presents data on the distribution of electric heating and air conditioning usage, along with a weighted interactive effect factor. It references a 1992 report by ADS ASSOCIÉS on energy efficiency evaluations and discusses the Net-to-Gross Ratio (NTGR) methodology for the Smart Lighting Choices (SLC) program, including the assessment of free-ridership.

For example: seasonal closure) Total number of day per 261 104 261 104 261 104 year Ref.: 5725 35 Smart Lighting Choices Program Efficiency Nova Scotia Corporation 2011 Evaluation Report Normal week/holidays Please fill the table below for...

AI summary The document outlines the Smart Lighting Choices Program by Efficiency Nova Scotia Corporation, including lighting operation schedules and measures information such as the number of lamps installed. It focuses on the transition from baseline fluorescent T12 and T8 lamps to high-performance T8 lamps.

the use of different software, this comparison could help identify which one is closest to reality. It was mentioned that ABI would do this comparison when data is available. CINC-R3. Clearly define the CPG minimum requirements at the earl...

AI summary The document discusses the need for standardized minimum requirements for CINC projects and the inclusion of peak demand savings in impact calculations. It highlights the importance of providing clear documentation early in the project process and suggests that even small demand savings can significantly impact program outcomes as participation increases.

ipation paths: the New Construction Core Performance (NCCP) path, the New Construction Whole Building (NCWB) path or the Prescriptive Rebate path provided by the Business Energy Rebates (BER) program. > The NCCP path is based on compliance...

AI summary The Business Energy Rebates (BER) program offers three participation paths: New Construction Core Performance (NCCP), New Construction Whole Building (NCWB), and Prescriptive Rebate. The NCCP path follows the Advanced Buildings Core Performance Guide (CPG), which sets prescriptive energy-saving measures for new commercial buildings. The NCWB path is an alternative for larger or more complex buildings, allowing for energy modeling and incentives for feasibility studies.

arison could help identify which one is closest to reality. It was mentioned that ABI would do this comparison for the projects undertaken under the NCCP path when data are available. Ref.: 5725 26 Commercial & Industrial Custom and New Co...

AI summary The document discusses the need for Efficiency Nova Scotia Corporation (ENSC) to establish performance indicators to evaluate the efficiency of the project delivery process under the Commercial & Industrial Custom and New Construction Program (C&I C&NC Program). It references time limits outlined in the program manual and suggests using these to monitor task completion.

This result indicates that the participation process flow chart developed by ENSC in late 2011 was a good initiative as it will potentially simplify the participation of future program participants. Table 15: Provision of a Diagram Illustr...

AI summary The participation process flow chart developed by ENSC in late 2011 was seen as a positive initiative to simplify future program participation. The 2011 evaluation report highlights that the C&I Custom programs accounted for 30% of the total expected energy savings from all ENSC programs that year.

ia Corporation 2011 Evaluation Report The following criteria were applied to establish the two sites to be visited: > Project status: The projects whose construction process was completed or almost completed were eligible for on-site visit...

AI summary The 2011 Evaluation Report outlines the criteria for selecting projects to visit, including project status, size, and location. Four out of eight projects were completed or nearly completed, and projects were grouped based on energy savings potential. Only projects within 20 km of specific urban areas were eligible, except for Project #002 in Antigonish.

their global energy savings approach. Projects that involved building lighting retrofits only accounted for almost 70 percent of the overall projected savings of the C&IC population for the year 2011. In accordance with the large proportio...

AI summary The text discusses the evaluation of energy savings from building lighting retrofit projects in 2011, emphasizing the importance of verifying unitary wattage and ballast factors to ensure accurate savings estimates.

vings of the project. In comparison, additional fixture inspections were not required when the Evaluator found no (or very few) discrepancies between its fixture count and ENSC’s. Hours of Operation To evaluate the hours of operation, the...

AI summary The document outlines the evaluation process for energy efficiency programs, focusing on fixture inspections, hours of operation, occupancy sensors, and interactive effects with heating and cooling systems. The Evaluator confirmed data with program participants and considered special circumstances affecting energy savings calculations.

0, and the 2011 component was in fact the termination of project implementation. The methodology employed for project impact verification and on-site visits was therefore similar to that used in 2010. For these two street lighting projects...

AI summary The document describes the verification process for two street lighting projects in 2011, including on-site visits to confirm the installation of LED fixtures and the collection of technical specifications. The methodology used was similar to that of 2010. The Evaluator also estimated hours of operation using data from ENSC and confirmed it with city staff. Traffic and street lighting systems operate year-round with constant demand, leading to a diversity factor of 100 percent.

um period (2 weeks). IPMVP Options B or C would therefore be appropriate. However, the consultant only made spot measurements with a power clamp meter to evaluate energy savings from VSD installation Ref.: 5725 44 Commercial & Industrial C...

AI summary The evaluation of the Commercial & Industrial Custom and New Construction Program found that the consultant's method of assessing energy savings using IPMVP Option A was not appropriate. Spot measurements with a power clamp meter were used instead of more accurate methods like IPMVP Options B or C. An on-site visit was conducted to verify installations and collect equipment data.

nd operation schedules were discussed with the program participants. Finally, the Evaluator reviewed with the program participants the assumptions and calculations made in the consultant’s M&V report. The interactive effects on space heati...

AI summary The document discusses the evaluation of energy efficiency projects, including the assessment of space heating and cooling systems and the on-site review of a refrigeration project. Econoler noted that certain rooms were not heated or cooled, and a conservative approach was taken in calculating demand savings. The refrigeration project involved replacing expansion valves and was classified as a process refrigeration project.

onfirmed that these three chillers were not used for purposes (such as space cooling) other than the manufacturing process. This project was therefore considered to be a process refrigeration project. For project impact evaluation, Econole...

AI summary The document discusses the evaluation of a refrigeration project involving chillers used in a manufacturing process. It outlines the steps taken to assess the project's impact, including on-site verification of equipment installation and efficiency calculations based on manufacturer testing and consultant input.

oreover, the Evaluator defined the chiller operation schedules with the customer, which helped estimate the operation hours as well as the diversity factors to be used for energy savings calculations. Finally, the Evaluator established tha...

AI summary The Evaluator established that the chiller operation schedules had no significant impact on heating or cooling loads. Additionally, a 2011 retrofit project replaced inefficient UPS systems, with ENSC confirming installation and assuming energy savings were realized, though more detailed M&V was planned for later.

unt the side effects on space heating and cooling systems as well as the diversity factor. There is no need for additional calculations with regard to those two aspects of project impact calculations. The next table shows the adjustment fa...

AI summary The document discusses adjustment factors used in energy and demand savings calculations for different project types under the C&IC and CINC programs. It provides estimates of gross energy and peak demand savings for 2011 at both the meter and generator levels, noting that no demand savings were calculated for the CINC program.

and Savings 12% -9% N/A N/A Total Gross Peak Demand 2.263 1.526 3.790 0 Savings – at the Meter (MW) Average Line Loss Factor 1.067 1.069 1.068 N/A Total Gross Peak Demand 2.416 1.631 4.047 0 Savings – at the Generator (MW) Notes: The line...

AI summary The text provides data on energy savings and demand reductions under the C&IC program, highlighting the need for future adjustments to improve calculation methodologies. It includes notes on line loss factors, demand savings, and interactive effects of energy efficiency measures.

sured was the pre- and post-retrofit wattage of the lighting fixtures. With this in mind, the Evaluator encourages ENSC to organize trainings on M&V and the IPMVP for C&IC program staff. > Record the diversity factors used for peak demand...

AI summary The text discusses issues with diversity factors used in peak demand savings calculations for the C&IC program, highlighting that ENSC used conservative factors that did not reflect actual conditions. It recommends training on M&V and IPMVP, and recording diversity factors and their rationale for future evaluations.

ensure that these cross effects are not overestimated, which would explain why the CPG-compliant warehouse building consumes more than the typical MNECB-compliant warehouse building. > Add a limited amount of peak demand savings in project...

AI summary The document discusses the need to adjust the CPG baseline to reflect current construction practices and the importance of accurately estimating demand savings for CINC projects. It highlights that the current baseline uses the 1997 MNECB, which may not represent current standards, and suggests using diversity factors to improve demand savings calculations.

literature should clearly state that the term “scoping study” encompasses typical preliminary energy audits and then stop using the other one. Noteworthy is that this recommendation is also applicable to the ENSC website. 4. Provide the pa...

AI summary The text discusses the need for consistency in terminology, recommending that the term 'scoping study' be used exclusively for preliminary energy audits. It also emphasizes the importance of documenting parameters used for estimating program objectives, including net savings and interactive effects, to ensure accurate tracking and future adjustments.

Impact 22. Build the capacity of ENSC on M&V and IPMVP requirements: As per the Evaluation program manual, all C&IC projects must have an M&V plan compliant with the IPMVP (Section 5.7 of the program manual). This would also mean that all...

AI summary The evaluation highlights a lack of compliance with M&V and IPMVP requirements in C&IC projects, noting missing M&V plans and improper measurement methods. The Evaluator recommends training for ENSC staff on M&V and IPMVP to improve accuracy and adherence to standards.

ons of this program’s impacts. 17 In the IPMVP, the “key parameter” is the parameter whose performance defines the energy savings due to the implementation of the energy conservation measure. Ref.: 5725 65 Commercial & Industrial Custom an...

AI summary The document discusses the 'key parameter' concept in the IPMVP, which defines energy savings from energy conservation measures. It references an evaluation report for the Commercial & Industrial Custom and New Construction Program by Efficiency Nova Scotia Corporation in 2011.

of requirement documents that would comply with the CPG. This could help the participants ensure that they prepare and provide the proper documentation. Ref.: 5725 69 Commercial & Industrial Custom and New Construction Program Efficiency N...

AI summary The document discusses the importance of preparing and providing proper documentation to comply with the Core Performance Guidelines (CPG) under the Commercial & Industrial Custom and New Construction Program managed by Efficiency Nova Scotia Corporation. This ensures participants meet the required standards.

CINC program are also expected to increase in the upcoming years. With this in mind, Econoler believes ENSC should conduct a separate complete evaluation for the CINC program in 2012. Moreover, a separate evaluation could help shed light o...

AI summary Econoler recommends a separate evaluation of the CINC program in 2012 to address uncertainties in calculating savings related to CPG compliance. It also suggests defining energy savings indices based on factors like building characteristics, climate zones, and market sectors to improve the accuracy of energy savings calculations.

Impact 22. Review the simulation made for the warehouse typical building: Through Evaluation the impact evaluation process, ENSC submitted the spreadsheet “1 Measure Level Outputs – All Buildings.xlsx,” which showed the key results from th...

AI summary The evaluation of the warehouse building simulations revealed an anomaly where applying the CPG increased energy consumption compared to the MNECB-1997. This discrepancy is attributed to the higher lighting power density in the CPG and potential overestimation of cross effects on heating systems.

compliant warehouse building consumes more than the typical MNECB-compliant warehouse building. 23. Add a limited amount of peak demand savings in project impact calculations: For 2011, ENSC did not calculate electricity demand savings for...

AI summary The evaluation report discusses the need for ENSC to account for peak demand savings in the CINC program, noting that demand savings were estimated but not included in the 2011 calculations. It also recommends using a diversity factor based on building operation schedules to improve future impact calculations.

Impact 24. Consider redefining the CPG baseline taking into account up-to-date Evaluation construction practices: The potential energy savings to be realized due to the implementation of the CPG are estimated using a facility built to the...

AI summary The text discusses the need to update the CPG baseline to reflect current construction practices and the importance of using PDA savings figures for NCWB project impact estimation. It highlights the outdated use of the 1997 MNECB as a baseline and suggests a market study to determine if newer standards have been adopted.

nd of the year, the PDA savings figures would also be a better estimate of the actual project impacts than any general savings value per area unit. 20 On page 11 of the CPG, the text refers to savings from 25 percent to 35 percent over bey...

AI summary The document discusses the evaluation of the Commercial & Industrial Custom and New Construction Program by Efficiency Nova Scotia Corporation in 2011, focusing on energy savings estimates and performance indicators related to building efficiency.

2011 Evaluation Report Commercial & Industrial New Construction (CINC) Services # Program Theory Performance Indicators 11 Depending on the path selected, savings Track savings generated from each project are expected to be anywhere from 2...

AI summary The 2011 Evaluation Report discusses the Commercial & Industrial New Construction (CINC) Services program, focusing on performance indicators such as energy savings compared to the MNECB 1997. It highlights the importance of tracking savings and adjusting baselines, particularly in renovation projects, though this process may be costly.

Efficiency Nova Scotia Corporation 2011 Evaluation Report Page 2 Q: If you use required internal standard as a base line for some cases, would it still be that level even if its lower than the (MNECB) 97 requirements? Page 3 (M& V) Q: If y...

AI summary The document contains questions and comments regarding the Evaluation Report of Efficiency Nova Scotia Corporation from 2011. Issues raised include baseline standards, data validation, program structure, financial calculations, and participant support materials. The discussion focuses on improving data collection, program clarity, and participant engagement.

BILL FINANCING’ IS: Efficiency Nova Scotia’s Custom program offers on-the-bill financing of eligible costs for qualified Custom program customers seeking such financing. b. The recommendations and technical assistance provided by the progr...

AI summary The text discusses the 'Custom program' offered by Efficiency Nova Scotia, which provides on-the-bill financing for energy efficiency measures. It also includes a question about whether any recommended energy efficiency measures from a feasibility study were not implemented.

day Schedule 2 Time of use (specified Hours per above) day Schedule 3 Time of use (specified Hours per above) day ENSC_C&IC_On‐Site Visits Protocol 111024.xlsx 2012‐02‐15 1 of 4 C&I Custom Retrofit Program Efficiency Nova Scotia Corporatio...

AI summary This document outlines the on-site visit protocol for the C&I Custom Retrofit Program by Efficiency Nova Scotia Corporation. It includes sections for describing building heating and cooling systems, as well as verified energy and demand savings from monitoring and verification (M&V).

c‐ Type of Ballast g LED Strip Lights s T8 Std Energy Savings Fixture Other (specify) f‐ Cooling Systems h LED Street lights/parking lights t T8 Super T8 E‐Electronic i LED Traffic/pedestrian signals u M‐Electromagnetic Cooling System 1 j...

AI summary The document outlines various lighting and cooling system options, including LED strip lights, T8 fixtures, and metal halide lamps, along with specifications for annual peak cooling periods. It provides a structured format for specifying energy-efficient lighting and cooling systems.

ales and administration staff; qualified electrical/lighting auditing staff and qualified electricians. In 2011, the province was divided into six (6) designated areas, with a DA assigned to each one. The DAs are responsible for all aspect...

AI summary The Small Business Energy Solutions Program (SBES) aims to overcome barriers to energy efficiency in small businesses by promoting efficient lighting products and providing support for installations. The program's goals include improving lighting quality, increasing participation through access to resources, and achieving electricity and demand savings.

4.27 MW in 2011. The SBES program generated net electricity savings of 11.21 GWh in 2010, 4.70 GWh in 2009 and 1.52 GWh in 2008. Eligible Measures The promoted measures in 2011 were the following: > A variety of CFLs including hard glass,...

AI summary The Small Business Energy Solutions (SBES) program in 2011 promoted various energy-efficient lighting measures, including CFLs, LEDs, and lighting controls, and achieved electricity savings of 11.21 GWh in 2010. The document outlines the program's logic model and evaluation methodology.

ement Data System. For measures with a reduction in hours of operation, the projected hours of operation are also based on information provided by participants during the installation of a measure. Ref.: 5725 10 Small Business Energy Solut...

AI summary The document outlines how demand and energy savings are calculated for the Small Business Energy Solutions Program, specifically for lamp replacements. Savings are based on wattage differences and the number of units installed, with hours of operation derived from the database or assumed to be the same for baseline and replacement measures.

of unitary wattage adjustments for HPS flood-70 W, mercury vapour-175 W and mercury vapour-250 W lamps. They were applied to the final CFL savings values. 4.2.2 Hours of Operation Currently, the hours of operation in the program tracking s...

AI summary The document discusses the application of unitary wattage adjustments to specific lamp types and the methodology used to determine hours of operation for lighting systems through on-site visits and time-of-use loggers. A self-declaration ratio of 83.33% was calculated, but due to a high error margin, it was not used to adjust energy savings. The Evaluator recommends increasing the number of sites with data loggers for more reliable results.

uture evaluations, the Evaluator recommends increasing the number of on-site visits conducted during the evaluation process in order to obtain reliable installation ratios. 4.2.4 Diversity Factor Based on the information received from ENSC...

AI summary The Evaluator recommends increasing on-site visits to improve installation ratio reliability. A 70% diversity factor was calculated based on peak demand analysis and on-site evaluations. Adjustments using line loss factors and installation rates were applied to calculate revised gross energy and demand savings for various measures.

T8s Measure Category: New Ballasts and CFLs Exit Signs T5s Others New Lamps Lamps or Fixtures Program Tracking sheet Total program tracking savings (GWh) 0.382 19.243 4.590 0.400 0.067 1.758 Total program tracking demand savings 0.116 5.82...

AI summary The text presents a program tracking sheet detailing energy savings from various lighting efficiency initiatives, including new ballasts, CFLs, exit signs, T5s, and others, with metrics on total program savings, demand savings, and adjustments for wattage and hours of operation.

Interactive effects occur when the implementation of energy efficiency measures has an impact on the energy consumption of other elements such as heating and cooling systems. In the case of the SBES program, replacement of regular lighting...

AI summary The SBES program's energy efficiency measures have interactive effects on heating and cooling systems. Replacing regular lighting with efficient lighting in non-refrigerated spaces increases winter heating loads and decreases summer cooling loads. An interactive effects factor of -7.7% was applied, based on a 1992 ADS study for Hydro-Québec using DOE2 simulations of electrically heated commercial buildings.

of variables such as operating time, wattage or base consumption. The identification and value of each of these variables should be available and documented for validation and updating purposes. 5. Provide the parameters used to estimate t...

AI summary The text discusses the documentation and validation of variables such as operating time and wattage in energy efficiency programs, as well as the parameters used to estimate program objectives, including distortion and interactive effects. The program manual should document these parameters for tracking assumptions and annual adjustments based on evaluation results.

installing or replacing energy-using products for your business in the future? [98 = Don’t know/Don’t recall, 99 = Refused] BARRIERS TO ACTION & RECOMMENDATIONS FOR IMPROVEMENTS [B series] B1. Does your company or organization own or lease...

AI summary The text outlines a series of survey questions related to barriers faced by businesses in implementing energy efficiency measures through the Small Business Energy Solutions Program. It includes questions about property ownership, permission requirements, and the identification of the most significant barrier.

2 3 Heat source Heating system type Heating system efficiency or COP Cooling system: Please fill the table below for each cooling source at the site Cooling system 1 Cooling system Cooling system Cooling system 4 2 3 Cooling system type Co...

AI summary The document provides a template for reporting heating and cooling system details, including efficiency metrics and occupancy schedules, as part of an evaluation report for the Small Business Energy Solutions Program by Efficiency Nova Scotia Corporation.

reported by the site contact as occupancy could vary for each Facility occupancy schedule: section of the facility. Use additional sheets if necessary. 1: Normal 2 (specify): _ 3 (specify): _ Occupancy schedule Weekdays Weekend Weekdays We...

AI summary The text provides a template for reporting facility occupancy and lighting schedules, including sections for weekdays, weekends, holidays, and the number of days with regular schedules, holidays, and no occupancy per year. It also includes a table for specifying lighting operation hours per day for different schedules.

or example: 8:00 to 17:00) Hours per day 2 Operating hours Hours per day 3 Operating hours Hours per day Ref.: 5725 85 Small Business Energy Solutions Program Efficiency Nova Scotia Corporation 2011 Evaluation Report 4 MEASURES INFORMATION...

AI summary The document outlines the evaluation of the Small Business Energy Solutions Program by Efficiency Nova Scotia Corporation in 2011, focusing on fluorescent lighting measures, including baseline and installed fixtures and ballasts.

Visual check of spare baseline parts if still in stock, for example: magnetic, electronic, etc.): Type – Fluorescent lamp ballasts installed (From database for example: magnetic, electronic, etc.): Ref.: 5725 86 Small Business Energy Solut...

AI summary The text provides a template for evaluating the Small Business Energy Solutions Program, focusing on the verification of fluorescent lamp ballasts, baseline lamps, and new fluorescent lamps installed. It includes data collection methods such as database checks, on-site validation, and contact declarations to ensure accuracy and compliance.

When were the lamps removed or when did they burn? Is the facility manager planning to have them replaced? If, not why? Are they OK with the reduced light level? Hours of use per year (From database) Ref.: 5725 87 Small Business Energy Sol...

AI summary The text contains questions and data collection items related to the evaluation of the Small Business Energy Solutions Program by Efficiency Nova Scotia Corporation in 2011. It includes inquiries about lighting usage, equipment hours, and fixture status, as well as data fields for lighting and cooling/heating systems.

Number – Exit sign LEDs (On-site validation): Power – Baseline lamp [W] (From database): Power – Baseline lamps [W] (Contact Declaration//Visual check of spare baseline parts if still in stock): Ref.: 5725 90 Small Business Energy Solution...

AI summary This document appears to be an evaluation report for the Small Business Energy Solutions Program by Efficiency Nova Scotia Corporation, focusing on the installation and performance of LED lighting and occupancy sensors, including validation checks and follow-up questions regarding their usage and condition.

Is the equipment still used? If not, which percentage is operating? When did the change occur? Number – Occupancy sensor (From database): Number – Occupancy sensor installed (On-site validation): Ref.: 5725 91 Small Business Energy Solutio...

AI summary The document contains a table and questions related to the evaluation of the Small Business Energy Solutions Program by Efficiency Nova Scotia Corporation in 2011. It focuses on occupancy sensors and the lamps they control, including their usage, wattage, and operation hours before installation.

itions and with the light to be monitored off, the logger is off (ON symbol is missing). The logger should then show the ON symbol when the monitored light is turned on. 9 Ref.: 5725 96 Small Business Energy Solutions Program Efficiency No...

AI summary The document provides instructions on adjusting the sensitivity of a LIGHTINGlogger and resetting its memory for use in the Small Business Energy Solutions Program. It emphasizes proper calibration to ensure accurate monitoring of lighting devices.

od includes a business holiday (for example, Thanksgiving). Furthermore, even if the metering period overlaps on more than 7 days, only data for a complete week with only 7 days should be reported. Ref.: 5725 97 Small Business Energy Solut...

AI summary The document outlines procedures for data collection under the Small Business Energy Solutions Program, emphasizing the use of Smart-ware software for extracting data in CSV and .log formats, and proper naming conventions for data files.

ew Page Port Hawkesbury paper mill in Nova Scotia. The M&V report produced by EPS is titled “Detailed Review of Completed Energy Efficiency Projects at New Page, Port Hawkesbury,” October 17, 2011. 1 M&V REPORT REVISION AND ANALYSIS Two re...

AI summary The document discusses the M&V report prepared by EPS for the New Page Port Hawkesbury paper mill, which evaluated energy efficiency projects. Two reports were reviewed, with the second one, completed in 2011, following the SEP protocol based on IPMVP standards. The report used a top-down approach as the primary method for calculating savings, with a bottom-up analysis as a sanity check.

Nova Scotia Corporation 2011 Evaluation Review Table 1 : Summary of Results Bottom-up Adjusted INITIAL estimate based on Top-down Project REPORT # Project Title statistical energy Estimate Start estimate analysis GWh MW GWh MW GWh MW Upgra...

AI summary The document presents a summary of results for various energy efficiency projects in Nova Scotia, including adjusted initial estimates and top-down estimates, with details on energy savings in GWh and MW for each project.

s, including free floating intercept and forced zero intercept. The statistical analyses performed are state-of-the-art and well done and the Evaluator has no concerns with the work performed by EPS. The figure below presents one of the an...

AI summary The document discusses a CUSUM analysis of TMP energy usage at the New Page plant, highlighting trends in energy usage before and after the implementation of energy efficiency measures. The Evaluator notes the effectiveness of the analysis and raises questions about discrepancies in the timeline of improvements and energy usage changes.

Scotia Corporation 2011 Evaluation Review Figure 1: CUSUM Analysis for TMP Energy Usage Optimize line 3 production Optimize reject screening ??? ??? Upgrade line 1 refiners The final model resulting from the statistical analysis included t...

AI summary This section discusses the statistical analysis and modeling of energy usage at New Page, Port Hawkesbury, including the use of CUSUM analysis and regression models for baseline, middle, and follow-up periods. Variables like paper production, TMP pulp production, and temperature were included in the models, normalized for consistency.

Efficiency Nova Scotia Corporation 2011 Evaluation Review Baseline (year 1) NPPH Total electric load (MW) = Paper Production (tons/d) 0.048 + TMP production (admt/d) 0.090 + Temp (°K) 0.022; Middle Period (year 2-3) NPPH Total electric loa...

AI summary The document presents equations used to calculate the total electric load at New Page Paper, Port Hawkesbury, based on paper production, TMP production, and temperature. The equations show strong statistical correlation (R2 > 0.99) and resulted in energy savings of 154.2 GWh and 17.8 MW.

Efficiency Nova Scotia Corporation 2011 Evaluation Review 2 FOLLOW UP INVESTIGATION Upon reviewing the report, a series of questions on elements not covered specifically in the report and that could have affected the energy usage of the pl...

AI summary An evaluation review of Efficiency Nova Scotia Corporation's 2011 report identified discrepancies in energy usage calculations. A follow-up investigation involved interviews with EPS experts and New Page Industry's Mr. Mark Frith to understand why the top-down approach results were 26% higher than expected bottom-up savings. The examination focused on feedstock and finished product characteristics that may have influenced energy usage.

energy usage of the plant even in the absence of any energy efficiency projects. The following sections describe the main inquiries that were analysed during interviews. Feedstock Material Variation Raw material characteristics are mandato...

AI summary The document discusses the importance of accounting for feedstock material variation in energy efficiency assessments. It highlights that raw material characteristics must be analyzed to avoid misinterpreting energy changes as savings. The EPS report was criticized for not addressing these factors, and the plant lacks precise tracking of raw material inputs.

order to improve the finished product brightness. The fresnel analysis led by EPS was performed specifically to check this parameter but found that it was non-significant in relation to energy usage. The interview conducted confirmed that...

AI summary The fresnel analysis conducted by EPS found that product type and sulfur content had no significant impact on energy usage. The Evaluator concluded that product type likely did not affect the top-down energy savings calculation. Other factors, such as larger TMP production compared to paper output, may explain the higher-than-expected energy savings.

ency Nova Scotia Corporation 2011 Evaluation Review Those include: Larger TMP Production Compared to Paper Output One of the effects of the energy efficiency project was the production of a better quality pulp and in larger quantity. For t...

AI summary The evaluation review highlights that the energy efficiency project at the pulp plant led to increased internal pulp production, displacing external purchases and affecting baseline calculations. Additionally, optimization of TMP line operations, particularly favoring Line #1, contributed to improved energy efficiency not initially accounted for in the project's savings calculations.

sed in the report. However, further discussions with EPS experts and plant representatives lead to the conclusion that these factors likely had only a small influence on the energy usage of the plant. The difference between the top-down ap...

AI summary The report discusses the evaluation of energy savings at a plant, comparing top-down and bottom-up approaches. The top-down method estimates annual energy savings of 154 GWh and demand savings of 17.8 MW, which are deemed a fair representation of the energy efficiency projects. The difference between the two approaches is attributed to factors like the optimization of the most efficient line and increased internal TMP pulp production.

Measured through: O Participant surveys EP – Appliance Retirement 90 0 0 0 0 EP – Appliance Replacement 0 0 1 EP – Retail Markdown 70 70 5 ⊙&∆ Δ&□ LED Holiday Light Exchange 0 0 0 EP – Low-Income Direct Install 70 0 0 EP – Multi-Unit Resid...

AI summary The text presents a table with data on various energy efficiency programs, measured through participant surveys. It includes metrics such as the number of participants and program-specific outcomes, indicating the scope and reach of different initiatives.

DSM Technical Tables Residential Table # 2013 $ (kW) (MWh) ($) ($) ($) (Ratio) (kW) (MWh) ($) ($) ($) (Ratio) (kW) (MWh) ($) ($) ($) (Ratio) Existing Homes CFL - Dimmable - 19 W 0.8 6.8 $1,906 $3,476 -$1,570 0.5 0.9 7.0 $2,192 $3,595 -$1,4...

AI summary This section presents technical tables related to Demand Side Management (DSM) programs, detailing energy savings and costs for various residential energy efficiency measures such as CFLs, power bars, showerheads, and thermostats across different years and scenarios.

- 2 Repository. 1 Request IR-10: 27 The Load Retention avoided costs were calculated based on a load decrement of 28 approximately 2400 GWh per year. The Load Retention avoided costs were calculated 29 for the specific decrement of load co...

AI summary The text discusses the calculation of Load Retention avoided costs based on a load decrement of 2400 GWh per year, referencing the 2009 IRP Update assumptions and the 5 Year Business Plan values. It also requests data and explanations related to the 2013 DSM Plan Savings and Investment, including the impact of the dual baseline approach on TRC values.

1 Request IR-16: 2 3 a) Please indicate the total energy savings and demand savings in 2011 associated with 4 the shutdown of NewPage Port Hawkesbury. 5 6 b) What assumptions have been made regarding the level of operations of NewPage 7 Po...

AI summary The document requests information on the energy and demand savings from the shutdown of NewPage Port Hawkesbury in 2011, assumptions about operations of NewPage and Bowater Mersey from 2013–2015, and the impact on the 2013–2015 DSM Plan. A response provides details on the shutdown and its effect on load forecasts.

20 1 The funding for the national market study on fenestration is shared with the Nova Scotia 2 Department of Energy. The Nova Scotia Department of Energy is providing $5,000 in 3 funding for this study. 4 5 At this time the costs of the i...

AI summary The text discusses funding for a national market study on fenestration shared with the Nova Scotia Department of Energy, as well as administrative costs related to implementing the National Energy Code for Buildings and new energy efficiency measures. It also includes a request for confirmation regarding the allocation of enabling strategies under the DSM Plan and changes in funding for different customer classes.

2010 Prescriptive (U) Custom (F) Small Business Energy Solutions (F) Efficient Products - Direct Install (F) Residential/Charitable - 19 108 2,079 Small General 1 7 245 1,605 General Demand 153,382 49 420 1,427 Large General 148,584 3 - 49...

AI summary The document presents participation data for energy efficiency programs in Nova Scotia from 2010 to 2012, including Prescriptive, Custom, Small Business Energy Solutions, and Efficient Products - Direct Install programs. The data is categorized by customer type and includes participation numbers for different sectors such as residential, industrial, and municipal.

Table 3: Residential New Construction Program Results by Measure For Plan Year 2013 For Plan Year 2014 For Plan Year 2015 29 Resource Assessment Model (EERAM) and are identified below for each year (2013 to 30 2017). 1  2013: comparing th...

AI summary The table outlines changes in program budgets for residential new construction from 2013 to 2017, including factors like decreased participation in the Energuide program and increased builder participation through the Trade Allies Network.

- 2 Repository. 1 Request IR-10: 27 The Load Retention avoided costs were calculated based on a load decrement of 28 approximately 2400 GWh per year. The Load Retention avoided costs were calculated 29 for the specific decrement of load co...

AI summary The text discusses the calculation of Load Retention avoided costs based on specific assumptions and data from the 2009 IRP Update. It also requests data and explanations related to the 2013 DSM Plan Savings and Investment, including the use of a dual baseline approach and its impact on savings calculations.

24 1 The funding for the national market study on fenestration is shared with the Nova Scotia 2 Department of Energy. The Nova Scotia Department of Energy is providing $5,000 in 3 funding for this study. 4 5 At this time the costs of the i...

AI summary The text discusses funding for a national market study on fenestration shared with the Nova Scotia Department of Energy, and outlines administrative costs related to implementing the National Energy Code for Buildings and new energy-related initiatives. It also references a request (IR-19) asking ENSC to confirm details about enabling strategy allocations in 2012 and 2013.

- Please provide specific examples of program design and delivery modifications that ENSC - plans for 2013-15 that would not be possible under a series of one year programs. Response IR-4: - Further to Dunsky's report on regulatory oversig...

AI summary ENSC explains that a multi-year planning framework allows for more efficient contracting, capacity building, and organizational focus on DSM program delivery. It highlights a four-year process from a 2009 fuel switching pilot to a comprehensive Green Heating Systems initiative, showing how multi-year planning enables more comprehensive program design and delivery.

Appendix C: Forecast Sensitivity by Major Variable 1 Executive Summary 2 3 The Nova Scotia Power Inc. (NSPI) 2011 Load Forecast provides an outlook on the energy and 4 peak demand requirements of in-province customers for 2011 to 2021. As...

AI summary This appendix discusses the 2011 Load Forecast by Nova Scotia Power Inc. (NSPI), outlining the forecast's basis in historical sales, weather, economic factors, and customer behavior. It highlights the Net System Requirement (NSR) growth over the previous five years and the impact of the 2009 economic recession on load growth, with a rebound in 2010.

Forecast Models 11 10 12 Nova Scotia electric energy sales are modeled and forecast as three provincial customer sectors: 13 residential, commercial and industrial. Energy forecasts for sector electricity sales are calculated using econome...

AI summary The document describes the use of econometric models to forecast Nova Scotia electric energy sales across residential, commercial, and industrial sectors. These models use variables such as population, GDP, energy prices, and heating degree-days, with data sourced from the Conference Board of Canada's Economic Outlook.

Figure 3 Forecast Variables Forecast Variables 2010 Actual Growth Rate 2011 Forecast Growth Rate 2012 Forecast Growth Rate N.S. Population 0.3% 0.2% 0.2% N.S. Consumer Price Index 2.2% 2.2% 2.1% N.S. Personal Disposable Income 1.9% 0.4% 1....

AI summary Figure 3 presents forecast variables for Nova Scotia, including population growth, consumer price index, personal disposable income, GDP, retail sales, and home heating oil prices from 2010 to 2012. These variables are used as inputs for the Sector Model.

One factor influencing the residential forecast involves market effects including the price of electricity versus other alternatives (e.g. fuel oil) and the effects of natural gas distribution. The stock of electric appliances is estimated...

AI summary The residential electricity forecast considers market effects such as electricity versus fuel oil prices and natural gas distribution. Technology factors and appliance efficiency are also considered. Commercial and industrial electricity sales are influenced by economic factors and large industries.

Regression(5 regressors, 0 lagged errors) Term Coefficient Std. Error t-Statistic Percentile AIDX 302.4 51.28 5.897 1.000 CUSTHDD 0.2540 0.02916 8.711 1.000 RRCGOODS 0.1095 0.01211 9.040 1.000 RREP -28.25 12.02 -2.351 0.9709 DomEng1 0.4458...

AI summary This regression analysis examines factors influencing electricity demand, including AIDX, CUSTHDD, RRCGOODS, RREP, and DomEng1, with high statistical significance. The model shows strong explanatory power, with an adjusted R-square of 0.99 and low forecast error. The table provides historical data on electricity demand, contributing factors, and growth rates from 1994 to 1998.

Commercial Model Input Variables and Contributions 1 2 3 _ Year RQTOS RQTOS contrib RPDI RPDI contrib DomEng DomEng contrib ComEng [-1] ComEng [-1] contrib Future DSM Effects GWh ComEng Actual GWh Growth % 4004 GWII 1994 19,069 363 16,959...

AI summary The table presents historical data on various economic and energy-related input variables and their contributions from 1994 to 2020, including metrics like RQTOS, RPDI, DomEng, and ComEng. The data also includes growth percentages and adjustments for forecasting accuracy.

Small Industrial Year GDP_Man NonRes_Inv GDP_Man contrib NonRes_Inv Sm_Ind [-1] Sm_Ind Model Sm_Ind Actual Growth % $M2002 $M2002 GWh GWh GWh GWh GWh 70 1994 1,877 486 35 6 136.5 98.5 140.1 139.3 2.0% 1995 2,020 577 38 7 139.3 100.6 146.0...

AI summary The table presents data on small industrial electricity consumption and related economic indicators from 1994 to 2021, including GDP, non-residential investment, and growth rates. The data shows trends in modeled and actual electricity demand, with adjustments made in 2010 to align forecasts with actuals.

$\begin{array}{cc} 1 & \text{Medium Industrial} \\ 2 & \end{array}$ Year GDP_Man $M2002 Man_Emp GDP_Man contrib GWh Man_Emp contrib GWh Med_Ind [-1] Med_Ind [-1] contrib GWh Med_Ind Model GWh Med_Ind Actual GWh Growth % 1994 1,877 486 116....

AI summary The table presents data on GDP, employment, and electricity demand for the Medium Industrial sector in Nova Scotia from 1994 to 2021. It includes metrics such as GDP in millions of 2002 dollars, employment numbers, and electricity demand in gigawatt-hours (GWh). The data shows the growth and fluctuations in these metrics over time, with a note about a model adjustment in 2010.

Energy Forecast with Future DSM Program Effects 2 3 1 Year Residential Sector Growth Commercial Sector Growth Industrial Sector Growth Total Sales Growth Losses Total Energy Growth GWh % GWh % GWh % GWh % GWh GWh % 1994 3,498 0.4 2,660 1.0...

AI summary This document presents a table showing energy consumption growth across residential, commercial, and industrial sectors from 1994 to 2021, highlighting fluctuations in energy demand over time.

Energy Forecast without Future DSM Program Effects 2 3 Year Residential Sector Growth Commercial Sector Growth Industrial Sector Growth Total Sales Growth Losses Total Energy Growth GWh % GWh % GWh % GWh % GWh GWh % 1994 3,498 0.4 2,660 1....

AI summary The document presents a historical energy forecast table without the effects of future Demand Side Management (DSM) programs, showing energy consumption growth across residential, commercial, and industrial sectors from 1994 to 2021, along with total energy sales and losses.

Figure B6: Nova Scotia Energy Sales Figure B7: Total Nova Scotia Energy Losses Figure B6: Total Nova Scotia Energy Requirement (NSR) Figure B7: Net System Peak Demand and Firm Peak Demand

AI summary The text presents several figures related to Nova Scotia energy sales, losses, and requirements, including total energy losses, energy requirement (NSR), and peak demand metrics. These figures are visual representations and do not include detailed discussion or arguments.

Residential Sector Sales Residential energy sales are forecast using the same models and assumptions as described in the 2006 NSPI Load Forecast report. For the IRP forecast period beyond 2015 shown in the Load Forecast Report, the followi...

AI summary Residential energy sales are forecasted using models from the 2006 NSPI Load Forecast report, with assumptions based on economic data, heating oil prices, and electricity price trends. The forecast assumes rising electric space heating adoption and limited natural gas distribution, projecting residential load growth to 2029.

Commercial energy sales are forecast using the same models and assumptions as described in the 2006 NSPI Load Forecast report. For the IRP forecast period beyond 2015 shown in the Load Forecast Report, the following assumptions have been m...

AI summary Commercial energy sales are forecast using models from the 2006 NSPI Load Forecast report. The economic forecast from the Conference Board of Canada provides data up to 2025, and a 1.6% growth rate is applied to extend the forecast to 2029.

Table 3: Annual Industrial Sector Sales Year GWh Growth Year GWh Growth 2000(actual) 3,930 1.5% 2015 4,771 1.0% 2001(actual) 3,873 -1.5% 2016 4,815 0.9% 2002(actual) 3,799 -1.9% 2017 4,858 0.9% 2003(actual) 4,046 6.5% 2018 4,901 0.9% 2004(...

AI summary Table 3 presents annual industrial sector sales in GWh from 2000 to 2029, showing fluctuating growth rates. The data highlights significant changes in energy consumption over time, with a notable dip in 2006 followed by steady increases from 2007 onwards. The term 'Net System Requirement' is mentioned but not elaborated upon.

Yes, as part of ongoing mid-course corrections, ENSC would adjust program targets to reflect experience gained in the previous year. Date Filed: March 30, 2012 ENSC CA IR-17 Page 1 of 1 1 Request IR-18: 2 3 Please provide ENSC"s evaluation...

AI summary ENSC is adjusting program targets based on mid-course corrections and is in the process of developing an evaluation plan for Enabling Strategies, specifically Codes and Standards, for 2012. Additional Enabling Strategies will require evaluation plans before launch.

& lt;sup>a Lifetime benefits are expressed as the net present value of the avoided costs, including energy and capacity, over the life of the program measures. & lt;sup>b TRC is a benefit/cost ratio comparing lifetime benefits to the sum o...

AI summary The text discusses metrics for evaluating energy efficiency programs, including net present value of avoided costs, benefit/cost ratios (TRC and PAC), and program-specific data such as investment, energy savings, and demand reductions for residential sub-programs like Low Income, Direct Install Existing Homes, and Green Heat.

Appendix C: Forecast Sensitivity by Major Variable 1 Executive Summary 2 3 The Nova Scotia Power Inc. (NSPI) 2011 Load Forecast provides an outlook on the energy and 4 peak demand requirements of in-province customers for 2011 to 2021. As...

AI summary This appendix discusses the 2011 Load Forecast by Nova Scotia Power Inc. (NSPI), outlining its methodology, assumptions, and the factors influencing energy and peak demand forecasts from 2011 to 2021. The forecast considers historical sales, weather, economic indicators, and technological changes, and presents expected, high, and low scenarios for planning purposes.

Regression(5 regressors, 0 lagged errors) Term Coefficient Std. Error t-Statistic Percentile AIDX 302.4 51.28 5.897 1.000 CUSTHDD 0.2540 0.02916 8.711 1.000 RRCGOODS 0.1095 0.01211 9.040 1.000 RREP -28.25 12.02 -2.351 0.9709 DomEng1 0.4458...

AI summary The regression analysis includes five regressors with no lagged errors. The model has a high adjusted R-square value of 0.99 and low forecast error. Key variables include AIDX, CUSTHDD, RRCGOODS, RREP, and DomEng1, with coefficients indicating their impact on the outcome.

Commercial Model Input Variables and Contributions 1 2 3 $\overline{}$ Year RQTOS RQTOS contrib RPDI RPDI contrib DomEng DomEng contrib ComEng [-1] ComEng [-1] contrib Future DSM Effects GWh ComEng Actual GWh Growth % 4004 GWII 1994 19,069...

AI summary This document presents a table of commercial model input variables and their contributions, including metrics like RQTOS, RPDI, DomEng, and ComEng, along with their contributions and growth percentages from 1994 to 2020. The table includes a launch adjustment for 2010-2020 to align forecasts with actuals.

Small Industrial Year GDP_Man NonRes_Inv GDP_Man contrib NonRes_Inv Sm_Ind [-1] Sm_Ind Model Sm_Ind Actual Growth % $M2002 $M2002 GWh GWh GWh GWh GWh 70 1994 1,877 486 35 6 136.5 98.5 140.1 139.3 2.0% 1995 2,020 577 38 7 139.3 100.6 146.0...

AI summary The table presents data on small industrial electricity consumption and related economic indicators from 1994 to 2021, including GDP, non-residential investment, and model vs. actual electricity usage. It also includes a launch adjustment for 2010-2021 to align forecasts with actuals.

$\begin{array}{cc} 1 & \text{Medium Industrial} \\ 2 & \end{array}$ Year GDP_Man $M2002 Man_Emp GDP_Man contrib GWh Man_Emp contrib GWh Med_Ind [-1] Med_Ind [-1] contrib GWh Med_Ind Model GWh Med_Ind Actual GWh Growth % 1994 1,877 486 116....

AI summary This table presents data on medium industrial energy consumption and economic indicators from 1994 to 2021. It includes GDP, employment, energy consumption, and growth metrics, with a note about a model adjustment in 2010 to align forecasts with actuals.

Figure B6: Nova Scotia Energy Sales Figure B7: Total Nova Scotia Energy Losses Figure B6: Total Nova Scotia Energy Requirement (NSR) Figure B7: Net System Peak Demand and Firm Peak Demand

AI summary The document presents several figures related to energy sales, losses, and requirements in Nova Scotia, including Total Resource Cost (TRC), Program Administrator Cost (PAC), and Net System Requirement (NSR). These figures provide insights into energy consumption, system demand, and associated metrics such as Cooling and Heating Degree Days (CHDD) and Real Personal Disposable Income (RPDI).

Based upon the 2011 load forecast models, the following table shows the relative sensitivity of the forecast to changes in various input assumptions. Variable Assumed Change Effect on 2011 Load GWh Effect on 2016 Load GWh Lagrad Danandant...

AI summary The table shows the sensitivity of load forecasts to various input assumptions, highlighting significant impacts from factors like consumer goods sales, DSM program effects, and residential electricity prices on both 2011 and 2016 load forecasts.

One factor influencing the residential forecast involves market effects including the price of electricity versus other alternatives (e.g. fuel oil) and the effects of natural gas distribution. The stock of electric appliances is estimated...

AI summary The residential electricity forecast considers factors like the price of electricity compared to alternatives, appliance saturation, and natural gas distribution. Commercial and industrial electricity sales are linked to economic indicators such as GDP and consumer confidence, with large industries like forestry and pulp & paper significantly influencing the industrial sector forecast.

In 2008, the industrial sector represented 36 percent of Nova Scotia total electricity sales. This group is comprised of customers who process raw materials or manufacture finished goods. It includes both primary resource industries such a...

AI summary In 2008, the industrial sector accounted for 36% of Nova Scotia's total electricity sales, with a few large customers consuming most of the energy. Load forecasting combines econometric modeling and data from large customers, using GDP and previous year load as factors. A 'MIGRATE' variable was introduced to account for load shifts between rate classes.

Energy Forecast without Conservation and DSM Program Effects Residential 0 11 Commercial 0 11 Industrial Total 0 11 Total 0 11 Year Sector Growth Sector Growth Sector Growth Sales Growth Losses Energy Growth GWh % GWh % GWh % GWh % GWh GWh...

AI summary The document presents a table showing energy consumption data across residential, commercial, and industrial sectors from 1994 to 2019, with growth percentages and total energy sales. It also references a forecast for coincident peak demand from 2009 by NSPI.

Note: Statistics Canada often re-estimates historical information to reconcile with changes in variable composition and to ensure historical consistency with forecasts. This is the case in the graph above. Nova Scotia Power Inc. Figure B2:...

AI summary The text presents figures and notes from a regulatory proceeding, including historical consumer goods sales, disposable income, energy sales, losses, and requirements in Nova Scotia. Statistics Canada notes that historical data is often re-estimated for consistency with forecasts.

Based upon the 2009 load forecast models, the following table shows the relative sensitivity of the forecast to changes in various input assumptions. Variable Assumed Change Effect on 2010 Load GWh Effect on 2015 Load GWh Lagged Dependent...

AI summary The table outlines the sensitivity of load forecasts to various input assumptions based on 2009 models. It highlights how changes in variables like GDP, heating degree-days, and DSM program effects significantly impact forecasted load in 2010 and 2015.

This report describes considerations, assumptions and methodology used in the preparation of the Nova Scotia Power Inc. (NSPI) IRP load forecast. It provides an outlook on the energy and peak demand requirements of in-province customers fo...

AI summary This report outlines the methodology and assumptions used in preparing the Nova Scotia Power Inc. (NSPI) Integrated Resource Plan (IRP) load forecast from 2006 to 2029. It discusses historical data, weather, economic indicators, and technological changes, and provides forecasts for Net System Requirement (NSR) and peak hourly demand, projecting an average annual increase of 1.7% for NSR and 1.8% for peak demand.

Commercial energy sales are forecast using the same models and assumptions as described in the 2006 NSPI Load Forecast report. For the IRP forecast period beyond 2015 shown in the Load Forecast Report, the following assumptions have been m...

AI summary Commercial energy sales are forecast using models from the 2006 NSPI Load Forecast report. The economic forecast from the Conference Board of Canada is used up to 2025, after which a 1.6 percent growth rate is applied to extend the forecast to 2029.

Table 3: Annual Industrial Sector Sales Year GWh Growth Year GWh Growth 2000(actual) 3,930 1.5% 2015 4,771 1.0% 2001(actual) 3,873 -1.5% 2016 4,815 0.9% 2002(actual) 3,799 -1.9% 2017 4,858 0.9% 2003(actual) 4,046 6.5% 2018 4,901 0.9% 2004(...

AI summary Table 3 presents annual industrial sector sales in gigawatt-hours (GWh) from 2000 to 2029, showing fluctuations in growth rates over time. The data is followed by a section titled 'Net System Requirement', which likely discusses the overall energy demand requirements for the system.

PO Box 910 • Halifax, Nova Scotia • Canada • B3J 2W5 February 21, 2012 By email: [email protected] Allan Crandlemire, CEO Efficiency Nova Scotia 230 Brownlow Avenue, Suite 300 Dartmouth, Nova Scotia, B3B 0G5 Re: Avoided Cost of...

AI summary Nova Scotia Power has calculated the 2012 avoided costs of DSM, considering load uncertainty and revised projections from ENSC. A range of avoided costs was calculated for two scenarios: a 'high bookend' and a 'low bookend' based on different load assumptions. The methodology used was consistent with the 2009 IRP, with some assumptions updated to reflect recent information.

- 2 Repository. 1 Request IR-6: 1 2 Due to load uncertainty, avoided costs were calculated for two cases to provide a range of 3 values. A "high bookend" value that included Bowater and the Port Hawkesbury Paper 4 Mill PM2 load (PM1 assume...

AI summary The document discusses the calculation of avoided costs for demand-side management (DSM) under two scenarios: a 'high bookend' and a 'low bookend' case. It references ENSC's projections of cumulative energy and demand savings over time, as well as the inclusion of specific loads from Bowater and the Port Hawkesbury Paper Mill PM2 in generation planning.

- apartment buildings are not subject to the residential building code. - Gross standard savings - According to the Ministry of Labour and Workforce Development, compliance with the new - energy code has been significant to date. Although...

AI summary The text discusses energy code compliance and its impact on energy savings, referencing the Ministry of Labour and Workforce Development's assumption of 90% compliance. It also outlines the impact of new federal lighting regulations, which are expected to reduce lighting energy consumption by 25% to 30%, and references a socket study commissioned by ENSC in 2011.

- savings are based on the program results for 2011, corrected to account for a market penetration - of 100 percent. - Gross and net standard savings - The new regulation may potentially lead some businesses to stockpile T12 lamps in order...

AI summary The document discusses adjustments to energy savings estimates for lighting programs, considering market penetration, free-ridership, and changes in building energy codes. It highlights the impact of the 2011 NECB on energy consumption reductions and the correction of data to reflect current construction trends.

12 MJ MNECB Adjusted Baseline 2011 NECB Savings Relative to Baseline 1997 1997 Lighting 2070 1351 23% Equipment 1092 1092 0% Heating 3329 3329 18% Cooling 329 329 12% Ancillary 1891 1891 25% Total 8711 7992 18% 13

AI summary The table compares energy savings under the MNECB and 2011 NECB standards, showing varying percentages of savings across different categories such as lighting, heating, and cooling. The total savings relative to the baseline is 18%.

PO Box 910 • Halifax, Nova Scotia • Canada • B3J 2W5 February 21, 2012 By email: [email protected] Allan Crandlemire, CEO Efficiency Nova Scotia 230 Brownlow Avenue, Suite 300 Dartmouth, Nova Scotia, B3B 0G5 Re: Avoided Cost of...

AI summary Nova Scotia Power has calculated the 2012 avoided costs of DSM, taking into account uncertainty in load assumptions due to the operations of NSPI's largest customers. A range of avoided costs was calculated for two scenarios: a high bookend and a low bookend. ENSC provided revised projections for future DSM savings, which were used in both scenarios. The methodology used was similar to the 2009 IRP Update, with some assumptions updated.

Cc: Mike Sampson, Director Planning and Performance Low Bookend High Bookena 2012 Avoided Cost of DSM (Revised Sub-set of 2009 IRP Update Avoided Cost of DSM (2009 IRP Update Assumptions) 2012 Avoided Cost of DSM (Revised Sub-set of 2009 I...

AI summary The text presents a comparison of avoided costs of demand-side management (DSM) between 2012 and 2010, focusing on all-in costs, avoided capacity, and avoided energy costs. The data reflects revised assumptions, including the removal of certain mill loads and the impact of delaying DSM implementation from 2018 to 2022.

CONFIDENTIAL (Attachment 3) 1 Request IR-6: 30 related. 1 2 Due to load uncertainty, avoided costs were calculated for two cases to provide a range of 3 values. A "high bookend" value that included Bowater and the Port Hawkesbury Paper 4 M...

AI summary The text discusses the calculation of avoided costs for demand-side management (DSM) under two scenarios—'high bookend' and 'low bookend'—based on load uncertainty. It references ENSC's projections of cumulative energy and demand savings from 2012 to 2032 and mentions the use of generation planning software Strategist to develop long-term generation plans.

- 2 Repository. 1 Request IR-7: 13  Residential New Construction baseline is modified to reflect the latest baseline study. 14 15  Non-Residential New Construction – the initial energy savings have been delayed until 16 2014, to reflect...

AI summary The text discusses modifications to the residential and non-residential new construction energy baseline, including delays in adopting the National Energy Code for Buildings (NECB) and federal regulations on general service lighting. It outlines the methodology for calculating potential and net standard energy savings based on compliance rates and natural market adoption.

- apartment buildings are not subject to the residential building code. - Gross standard savings - According to the Ministry of Labour and Workforce Development, compliance with the new - energy code has been significant to date. Although...

AI summary The text discusses the impact of new energy code compliance and lighting regulations on energy savings. It outlines assumptions about compliance rates, bulb replacement potential, and the effects of lighting changes on energy consumption, including considerations of indoor/outdoor usage and space heating fuel.

- savings are based on the program results for 2011, corrected to account for a market penetration - of 100 percent. - Gross and net standard savings - The new regulation may potentially lead some businesses to stockpile T12 lamps in order...

AI summary The text discusses energy savings estimates for the 2011 NECB, accounting for market penetration, free-ridership, and adjustments for lighting improvements. It also mentions potential impacts of the new regulation on business behavior and the use of baseline data for assessing savings.

12 MJ MNECB Adjusted Baseline 2011 NECB Savings Relative to Baseline 1997 1997 Lighting 2070 1351 23% Equipment 1092 1092 0% Heating 3329 3329 18% Cooling 329 329 12% Ancillary 1891 1891 25% Total 8711 7992 18% 13

AI summary The table compares energy savings from various building systems under the 2011 National Energy Code for Buildings (NECB) relative to an adjusted baseline. Lighting, heating, and ancillary systems show significant savings, while equipment and cooling show lower savings. Total savings amount to an 18% reduction.

Figure 4.3 2014 Lifetime Benefits ($ million) a PAC Lifetime Costs ($ million) b PAC Lifetime Net Benefits ($ million) c Program Administrator Cost Test (PAC) d RESIDENTIAL DSM PROGRA MS Efficient Product Rebates e 8.2 4.0 4.1 2.0 Existing...

AI summary Figure 4.3 presents a table summarizing the lifetime benefits, costs, and net benefits of various energy efficiency programs in Nova Scotia, including residential and business programs, as well as enabling strategies. The data is expressed in 2013 dollars and includes metrics such as the Program Administrator Cost Test (PAC).

generation plans for the No DSM and With DSM cases which include Bowater and Port Hawkesbury Paper Mill PM2 load. b) Please refer to Confidential Attachment 2. c) Please refer to Confidential Attachment 3. The loads and firm capacity (reso...

AI summary The document discusses generation plans for both No DSM and With DSM cases, including specific loads and firm capacity. It mentions that transmission avoided costs are considered minor compared to energy and capacity costs. DSM programs are not geographically directed, and their impact on distribution upgrades is limited. Both plans account for environmental and system constraints, including greenhouse gas regulations.

& lt;sup>a Lifetime benefits are expressed as the net present value of the avoided costs, including energy and capacity, over the life of the program measures. & lt;sup>b Lifetime costs are expressed as the net present value of ENSC progra...

AI summary The text defines various metrics used to evaluate energy efficiency programs, including lifetime benefits, costs, net benefits, and the Total Resource Cost (TRC) ratio, which compares benefits to combined program and participant costs. It also notes the inclusion of low-income households in participation.

NON-CONFIDENTIAL 1 Request IR-28: 2 3 Reference: Exhibit E-7(C)(R) ENSC (Avon) IR-11a Confidential Attachment 1 ENSC 4 EERAM, Tab "new AVCOS", Columns E and F. 5 6 Please provide the analysis and assumptions used to estimate the avoided en...

AI summary The text discusses requests and responses related to the analysis of avoided energy and capacity costs in the EERAM model, specifically addressing an issue with a zero value in a cell of the unused 'Diffusion' worksheet impacting the model's output for C&I market energy potential.

2013-2015 DSM Plan Savings and Investment including Outlook to 2017 Year Investment ($ million) Incremental Annual Net Energy Savings at Generator (GWh) Incremental Annual Net Demand Savings at Generator (MW) $/GWh $/MW 2013 46.2 135.2 25....

AI summary The 2013-2015 DSM Plan outlines energy savings and investment data from 2013 to 2017, showing increasing investment and energy savings over time, with metrics such as energy savings in GWh, demand savings in MW, and cost per unit of energy and demand saved.

Date Filed: May 9, 2012 ENSC CA IR-35 Page 1 of 1 1 Request IR-36: 2 3 Appendix C, Attachment 3 computes the annual bills for a customer who uses the same 4 amount of energy each year. 5 6 a) Please provide the equivalent of Appendix C, At...

AI summary The document discusses a request for an adjustment to Appendix C, Attachment 3, to account for projected average class savings from 2013 through 2015. The response explains that the RAM Tool provides energy savings forecasts by program type (residential or commercial/industrial) and uses the 2012 usage data as a reference year to calculate savings for the residential class.

3 Source: Navigant new potential savings Attachment 1 E-ENSC-R-12 CA IR-36 Filed May 9, 2012

AI summary The text references a source from Navigant regarding new potential savings, with an attachment labeled E-ENSC-R-12 CA IR-36, filed on May 9, 2012.

ENSC 2013-2015 DSM Plan Filing (NSUARB-E-ENSC-R-12) ENSC Responses to Multeese Information Requests 1 Request IR-12: 4 gross (NTG) ratio applied was 1.0 in all instances, but the formula did not show NTG, 5 since a NTG of 1.0 would not alt...

AI summary The document discusses the application of the Net-to-Gross (NTG) ratio in ENSC's 2013-2015 DSM Plan, including how a ratio of 1.0 was used in some instances and lower ratios in others to account for free riders. It also references a clarification memo related to the Navigant report on the Energy Efficiency Resource Assessment Model (RAM Tool).

1 EXISTING HOUSES (cont.) Measure Program Type Maximum Market Potential (MWh) Maximum Market Potential (MWh) In a Competition Group? Difference (MWh) CEE Tier 4 Television (replacing Tier 2 or less efficient TV) Efficient Products 7,153 7,...

AI summary The table outlines various energy efficiency measures, their program types, and market potential in MWh. Some measures are in competition groups, with differences noted in their market potential. The RAM Tool correction is mentioned, but no significant changes are reflected in the data.

- 4 calibration targets change by measure within each component. The total is the same, but there are - 5 some differences from measure to measure; especially for the measures in a competition group. - 6 There are no changes to Low Income.

AI summary The text discusses calibration targets and their changes by measure within components, noting differences between measures, particularly in competition groups, with no changes to Low Income measures.

1 EXISTING HOUSES COMPONENT Measure Program Type MWh before RAM Tool correction MWh after RAM Tool correction Difference (MWh) Calibration Total (MWh) 6,500 6,500 0 CFL - Dimmable - 19 W Existing Homes 6.4 6.3 -0.1 Energy Star Decorative C...

AI summary The table presents energy efficiency measures for existing homes, comparing energy usage before and after correction using the RAM Tool. Each measure shows a slight reduction in MWh following the correction, indicating the tool's impact on energy savings estimates.

1 Measure Program Type MWh before RAM Tool correction MWh after RAM Tool correction Difference (MWh) CFL - Dimmable - 19 W Existing Homes 235 233 -2 Energy Star Decorative CFL Lamps- Chandelier (5 W) Existing Homes 18 18 0 Power Bar With T...

AI summary The table provides a comparison of energy savings (in MWh) before and after correction using the Energy Efficiency Resource Assessment Model (RAM Tool) for various efficiency measures in existing homes. Most measures show minimal changes, with some showing a slight increase in savings.

1 EXISTING HOUSES COMPONENT (cont.) Measure Program Type MWh before RAM Tool correction MWh after RAM Tool correction Difference (MWh) CFL: Torchiere Efficient Products 0 0 Convection Oven Efficient Products 558 551 -7 Power Bar With Timer...

AI summary The table shows the impact of the RAM Tool correction on energy savings for various efficient product measures in existing homes. Most measures show a reduction in energy savings, with a few exceptions such as the LED 6 W Screw-In and CFL: Screw-In (>=25W) which show an increase in energy savings.

10 2001 SPM , p. 18. (emphasis added.) 1 Request IR-14: 2 3 With respect to Figure 4.2 as filed on April 18, the energy savings for each program are the 4 same as the initial filing on February 27 and the March 30 revision. However, for Ex...

AI summary The response to Request IR-14 explains that the increase in costs for energy efficiency programs is due to a correction of an error in the Energy Efficiency Resource Assessment Model (RAM Tool), which had previously underestimated incentive costs for free riders. The correction led to a small change in energy and demand savings.

Request IR-15: For each program, please identify and explain ENSC's assumptions and analysis used to estimate the expected program participation for 2013 through 2015. Response IR-15: Estimates of ENSC program participation for 2013 throug...

AI summary ENSC uses Navigant's Energy Efficiency Resource Assessment Model (RAM Tool) to estimate program participation from 2013 to 2015. Assumptions include calibration targets, base year maximum market potential, and consumer decision adoption algorithms based on payback and other factors.

NON-CONFIDENTIAL - The decrease in program participation from 2012 to 2013 for the Residential Efficient Products - Rebate program is because the 2012 program projects significantly more CFL sales compared to - the 2013 DSM Plan due to the...

AI summary Decreased program participation in 2013 for Residential and BNI Efficient Products Rebate programs was due to market saturation and changing measure mixes. ENSC corrected a RAM Tool error, adjusting participant numbers and TRC ratios, and omitted Low Income and MURB groups in the Existing Residential program.

Figure 1 - Inventory of RAM Tool Checks conducted by EDR Group Sheet Inquiry Outcome Mea-In (EE Measure Inputs) column AC, calibration targets derivation correct Mea-Avoid (Avoided Costs) cells E40…AE1174 correct Calibrate column G, market...

AI summary The EDR Group reviewed the RAM Tool documentation provided by Navigant and identified several corrections, including typos and the need for more complete definitions. All suggested edits were accommodated by Navigant.

The test changed from: (net avoided costs)/((net technology cost)+(net admin costs)+(incentives paid to free riders)) To: (net avoided costs)/((net technology cost)+(net admin costs)) All previous EERAM tools had used the later formula. Ho...

AI summary The formula for TRC calculation in EERAM tools was revised, removing incentives paid to free riders from the denominator. This change was reverted by ENSC to align with previous year's calculations, following a decision by the California PUC and CPUC to include these incentives in TRC costs. The adjustment ensures consistency with past methods, though the new approach was initially adopted by the California PUC.

DATA ON GAS PRODUCERS gas lost, % of stage output Total Natural gas produced in: Recovery Processing T&S U. S. 0.46% 0.21% 0.65% 1.33% Canada 0.13% 0.09% 0.05% 0.28% Mexico 0.60% 0.20% 1.00% 1.80% India 0.35% 0.20% 0.11% 0.66% N. Europe 0....

AI summary The text presents data on gas loss percentages across various stages of production and distribution for different regions, including the U.S., Canada, Mexico, and others. It includes breakdowns for recovery, processing, transmission and storage, and total losses, with a note on the source of the data.

1 Request IR-7: 2 3 Please provide a copy of NSPI's preliminary review that confirms that ENSC's five-year DSM target projection is within range of the load sensitivities evaluated in the 2009 IRP. 4 5 Request IR-8: 6 7 8 Please provide EN...

AI summary The document contains a series of requests directed to ENSC regarding the evaluation of DSM targets, investment levels, and program considerations. These include inquiries about the feasibility of DSM targets, the need for a review of the 2007 IRP, alternative investment levels, the exclusion of solar domestic water heating, and the evaluation of energy savings actions.

1 Request IR-13: 2 3 Please provide specific examples from each program area where recommendations made by Econoler have or will be implemented. 4 5 Request IR-14: 6 7 Please provide an update on the status of progress regarding developmen...

AI summary The document contains a series of requests directed at Energy Nova Scotia Corporation (ENSC) regarding the implementation of recommendations, progress on evaluation plans, free ridership in the Green Heating Program, program changes to meet energy savings targets, re-evaluation of the Low Income Home target, and the evaluation plan for Enabling Strategies.

1 Request IR-36 Reference: ENSC (Avon) IR-14(d), lines 13-152 Please describe qualitatively and quantitatively by what objective measure as expenditures3 occur, "ENSC will 'consider' the affected rate classes and directly assign costs"?4 5...

AI summary The text contains several regulatory requests related to cost allocation, renewable energy procurement, and capacity planning. It asks for explanations on how costs are assigned to rate classes, whether resource plans include proposed renewable energy procurements, and details on capacity additions, solicitations, and cost calculations.

Table 9: 2012 Evaluated Results, Targets and Tracked Savings for Each Program (Energy and Demand Savings at the Generator) Energy Savings (GWh) Demand Savings (MW) Evaluated EN ISC Evaluated EN ISC DSM PROGRAM Initial Gross Savings Install...

AI summary Table 9 presents evaluated results, targets, and tracked savings for various energy and demand-saving programs in 2012. It includes metrics such as energy savings (in GWh), demand savings (in MW), and net-to-gross ratios (NTGR) for programs like Appliance Retirement (ARET), Instant Savings, and Residential Direct Install (RDI). The data highlights discrepancies between targets and actual savings, particularly for programs like LHLE and Residential Solar.

Performance Plus For Performance Plus, both the energy and demand savings calculated for this evaluation are higher than the tracked savings by 19 percent and 18 percent respectively. This difference can mainly be explained by the adjustme...

AI summary Performance Plus program's energy and demand savings are 19% and 18% higher than tracked savings, primarily due to an adjustment in the gross energy savings per EnerGuide point from 817 kWh to 914 kWh, based on the 2012 HEA evaluation. Solar DHW systems were treated as a prescriptive measure, impacting the savings calculation.

Table 19: Recommendations for Low Income Homeowner Service No. Recommendations LIHS-R1. Consider the possibility of providing technical support for HOT2000: A great majority of the EAs reported a lack of collaboration and support from NRCa...

AI summary The table outlines recommendations for improving Low Income Homeowner Service (LIHS), focusing on providing technical support for HOT2000 software and implementing a continuous simulation review process to improve the quality of EnerGuide ratings and address errors in data collection and building simulations.

No. Recommendations BER-R8. Develop a reference table with baseline and new wattage values for T5 and T8 high bay fixtures, LED technologies and induction technologies: The review of the displaced wattage values used for T5 and T8 high bay...

AI summary The text discusses the need to improve the accuracy of energy savings evaluations by developing a reference table for baseline and new wattage values of various lighting technologies. Current practices may underestimate savings due to inconsistent data usage, and recommendations include using typical ballast factor values for more precise evaluations.

Table 26: Recommendations for Custom New Construction No. Recommendations NC-R1. Ensure that program participants provide appropriate peak savings calculations: As was the case with the 2011 evaluation, the feasibility studies and building...

AI summary The recommendation emphasizes the need for program participants to provide detailed peak savings calculations and diversity factors for new construction projects. This is to ensure accurate tracking and evaluation of demand savings by ENSC and third-party evaluators like Econoler.

Table 27: Recommendations for Business Energy Solutions No. Recommendations BES-R2. Include a ballast factor in the unitary wattage calculation of hardwired CFLs, metal halide fixtures and high pressure sodium fixtures: The impact evaluati...

AI summary The table recommends modifying the unitary wattage calculation approach for certain lighting products to include a ballast factor, as inconsistencies were found in the current method used by ENSC. Econoler highlights that applying a ballast factor of 1 to new products is not appropriate, as these products include ballasts that consume wattage.

Table 28: Recommendations for Codes and Standards No. Recommendations CS-R1. Collect all the studies conducted by NRCan on new MEPS implementation: Before implementing any new standards, NRCan normally conducts a market analysis and an ene...

AI summary The document recommends that ENSC collect studies conducted by NRCan on new MEPS implementation to estimate the energy impact of these standards on the Nova Scotia market. These studies include market analysis, energy impact analysis, and information on market size, non-compliance rates, and unitary savings values.

No. Recommendations CS-R2. Prepare a list of contact names that could provide market information specific to Nova Scotia: The Evaluator recommends that, for future evaluations, once ENSC knows which MEPS will be implemented during the targ...

AI summary The Evaluator recommends preparing a list of contact names, including manufacturers, distributors, and associations, to gather market-specific information for Nova Scotia. This is necessary because data from NRCan is national and not specific to any province, making it difficult to derive province-specific information.

APPENDIX I – BIBLIOGRAPHY Programs Bibliographic References Instant Savings Opinion Dynamics & The Cadmus Group, "CFL Hours of Use Study Summary of Approach and Results," July 2012. Power Smart Evaluation and Research, "Milestone Report: L...

AI summary The bibliography lists references for various energy efficiency programs, including 'Instant Savings' and 'Home Energy Assessment (HEA)', citing studies and reports from organizations like Econoler, RETScreen International, and Hydro-Québec, as well as data from Statistics Canada and Natural Resources Canada.

Programs Bibliographic References National Grid, "Rhode Island Technical Reference Manual for Estimating Savings from Energy Efficiency Measures," 2012 Program Year, November 2011. Business Energy Rebates (BER) National Research Council Ca...

AI summary The text lists bibliographic references for various programs, including Business Energy Rebates (BER) and technical documents related to energy efficiency measures, solar rise/set times, and electricity tariffs in Nova Scotia.

Table 24: Level of Improvement 2012 Level of Improvement Sample Size Improved Interest in energy efficiency 195 72% Your knowledge of energy efficiency improved 197 53% Your knowledge of appliances improved 197 45% Reduction in total energ...

AI summary Table 24 presents survey results on the level of improvement in energy efficiency knowledge and outcomes, showing varying percentages of respondents who felt improvements in energy efficiency, knowledge, and cost reductions.

Unitary Savings Value Calculation Econoler calculated the unitary savings value related to both refrigerator categories (primary and secondary). The table below presents the variables that were used to revise the unitary savings value. Sta...

AI summary Econoler calculated the unitary savings value for retired refrigerators, considering average consumption, occupant adjustment, and partial use factors. The average unitary savings value was estimated at 922 kWh/year, a slight decrease from the 1,182 kWh/year used by ENSC in 2011 evaluations.

Replacement Ratio All freezers retired through the program are considered to be secondary units. In the 2011 evaluation report, the participant survey was used to establish the replacement ratio of retired freezers and adjust their unitary...

AI summary The document discusses the replacement ratio for freezers retired through the program, referencing a 2011 evaluation report that used participant surveys to adjust unitary savings values. This year, no replacement ratio is considered for freezers, similar to the approach taken with refrigerators.

4.2.3 Room Air Conditioner Units Based on the 2011 evaluation, ENSC used a unitary savings value of 197 kWh per year for the room air conditioners retired through the program. This value was reviewed during this evaluation. Since onsite me...

AI summary The evaluation of room air conditioner units retired through the program used a unitary savings value of 197 kWh per year, which was reviewed based on limited onsite metering data. Econoler relied on literature and participant surveys, calculating an average annual consumption of 371 kWh using parameters from the OPA's 2008 program. The usage hours and capacity were validated against local climate data and participant behavior, and no replacement ratio was applied for this evaluation.

4.5 NET SAVINGS The net energy savings are estimated by adding the interactive effects and the NTGR to the gross savings, based on the equation below. Net Energy Savings = Gross Energy Savings × (1 + Interactive Effects Factor) × NTGR Over...

AI summary The net energy savings are calculated by adjusting gross savings with the interactive effects factor and NTGR, resulting in total net energy and demand savings of 6.177 GWh and 0.908 MW at the meter, and 6.795 GWh and 0.999 MW at the generator.

Table 38: Evaluation Results – Net Energy and Demand Savings Refrigerators Freezers Room AC Units Total Energy Savings Total Gross Energy Savings – at Meter (GWh) 4.695 2.607 0.052 7.354 Interactive Effects Factor 0% 0% 0% - NTGR 0.84 0.84...

AI summary Table 38 presents evaluation results for net energy and demand savings from various appliance categories, including refrigerators, freezers, and room AC units. The table includes metrics like gross energy savings, interactive effects factor, NTGR, line loss factor, and net energy and demand savings at both the meter and generator levels.

Another factor that explains the differences between the tracked savings and the evaluation results is the NTGR. In the tracking sheet, ENSC used a NTGR of 0.79, based on the 2011 evaluation report. For this year's evaluation, the NTGR was...

AI summary The evaluation of energy savings considers the NTGR, which increased from 0.79 to 0.84 due to lower free-ridership for refrigerators and freezers. Econoler recommends using metering data for more accurate savings estimates and suggests using existing data for room air conditioners, while noting the importance of collecting appliance details for future evaluations.

- 3 F ECON OL≣R Sampling error The amount of inaccuracy in estimating some value that is caused by examining only a portion of a population (i.e. a sample) rather than the whole population. Sample size The number of observations or replica...

AI summary The text defines key statistical and program evaluation terms such as sampling error, sample size, and tracked savings, with tracked savings being calculated by ENSC using participation data and parameters from the most recent evaluation.

Efficiency of the Instant Rebates Awarded at the Counter During the fall campaign, all retailers visited automatically awarded customers a rebate at the cash register when a qualifying product was purchased. Therefore, the rebate processin...

AI summary During the fall campaign, instant rebates were awarded at the counter when qualifying products were purchased, ensuring correct processing. This contrasts with the spring campaign, where in-store visits did not ensure proper rebate processing.

Table 10: Number of CFLs/LEDs Purchased 2012 Number Purchased Overall CFL Purchasers LED Purchasers Both CFL/LED Purchasers CFLs Sample Size 103 96 n/a 7 1-2 CFLs 13% 14% n/a 3-4 23% 24% n/a 1 5-7 22% 23% n/a 1 8-10 24% 25% n/a 1 11 or mor...

AI summary Table 10 presents data on the number of CFLs and LEDs purchased by respondents in 2012, including sample sizes, distribution across purchase ranges, and average numbers of units purchased by CFL purchasers, LED purchasers, and those who purchased both.

4.2 GROSS SAVINGS The quantities of products sold through the spring and fall campaigns are all computed in the tracking sheet. For each category of product, ENSC uses the unitary savings values from last year's evaluation. These unitary s...

AI summary The document discusses the calculation of gross savings from energy efficiency programs, specifically using unitary savings values from past evaluations and secondary data sources like the 2011 Ontario Power Authority report and the Efficiency Vermont Technical Reference Manual for new products introduced in 2012.

Hours of Operation New England States, 2009 9 Econoler considers that metering data, when available, should always be prioritized over selfdeclaration estimates which may be influenced by respondent behavioural factors. Therefore, Econoler...

AI summary Econoler recommends using the Hydro-Québec study for estimating CFL usage in Nova Scotia due to its relevance and large sample size. The study found that 94% of CFLs are used indoors and 6% outdoors, leading to an overall average of 2.7 hours of daily use.

Tracked Savings For dimmer switches, ENSC uses a unitary savings value of 23.65 kWh per year. This value is based on the 2011 OPA report and has remained unchanged since the 2010 program evaluation.

AI summary ENSC uses a fixed unitary savings value of 23.65 kWh per year for dimmer switches, based on the 2011 OPA report and unchanged since the 2010 program evaluation.

Revised Savings For this year's evaluation, Econoler verified whether the energy savings from Hydro-Québec are still adequate for calculating the unitary savings value of the programmable thermostats sold through Instant Savings. For the c...

AI summary Econoler evaluated the energy savings from programmable thermostats sold through the Instant Savings program, relying on Hydro-Québec's 2009 report as the most accurate source. Recent studies were reviewed, but they were based on simulations rather than real-world data, leading Econoler to recommend continuing with the 2009 unitary savings value of 223 kWh.

Table 29: Evaluation Results – Gross Energy and Demand Savings by Product – Lighting Products Category of Product Regular CFL Specialty CFL LED Lamp LED Recessed Downlight Fixture Dimmer Switch Indoor Motion Sensor Dimmer Switch with Motio...

AI summary Table 29 presents the evaluation results of gross energy and demand savings by lighting product category, including the number of units sold, replacement ratios, unitary savings values, and total energy and demand savings at both the meter and generator levels across various campaigns and product types.

Table 31: Interactive Effects Calculation for Lighting Products Parameters % of Residences Interactive Effects 24 Electric heating with air conditioning 33% × 18% = 5.9% -54.4% Electric heating without air conditioning 33% × 82% = 27.1% -5...

AI summary Table 31 calculates the interactive effects of lighting products based on heating and air conditioning usage, showing varying impacts across different residence categories. The weighted interactive effects factor is -18.5%, with adjustments made for outdoor use of CFLs and LED lamps.

Ref.: 5790 48 _ & lt;sup>21 DOE-2 is a widely used and accepted software building energy analysis program developed under funding from the U.S. Department of Energy. & lt;sup>22 ENSC, from the 2011 socket study. 23 Statistics Canada (CANSI...

AI summary The document references the use of DOE-2 software for building energy analysis and cites data from ENSC's 2011 socket study on CFL installations, noting that 94% are inside homes. It also mentions the interactive effects factor for LED recessed downlight fixtures being -18.5% due to indoor use only.

KEY FINDINGS The 2012 evaluation of HEA demonstrated that the program is well designed and adapted to each house that takes part in the program. The program had 1,839 participants for the year 2012, which constitutes an increase compared t...

AI summary The 2012 evaluation of the Home Energy Assessment (HEA) program showed it is well-designed and effective, with increased participation and significant electricity savings compared to previous years.

RECOMMENDATIONS Econoler finds that HEA is a good EE initiative that includes all the necessary ingredients to implement measures tailored specifically to the conditions of each house. The program includes good practices and reached a sati...

AI summary Econoler recommends strengthening communication between ENSC and Delivery Agents (DAs), providing technical support for HOT2000 software, and implementing a continuous HOT2000 simulation review process to improve the Home Energy Assessment (HEA) program's effectiveness and quality.

2.2.5 HOT2000 Simulation Review As part of this year's evaluation, Econoler also collected and reviewed a sample of 25 HOT2000 simulations. The main purpose of this verification was to validate the input data and assumptions used by the EA...

AI summary Econoler reviewed 25 HOT2000 simulations to validate input data and assumptions used by Energy Advisors (EAs), focusing on outlier values such as low initial EnerGuide ratings or large rating increases. The assessment was conducted by ecoPlus Services, with methodology and outcomes detailed in the Process Evaluation section and Appendix IV.

4.1 OBJECTIVE AND APPROACH OF THE IMPACT EVALUATION The impact evaluation is aimed at determining the gross and net savings of the program for 2012. As explained in Section 1, HEA implementation started in April 2012 and can be seen as a m...

AI summary The impact evaluation for 2012 assesses the gross and net savings of the HEA program, which replaced the EEH program. It considers energy and demand savings, using HOT2000 simulations, prescriptive measure savings, free-ridership, and internal spillover. The evaluation uses tracking sheets, billing calibration, and participant surveys to estimate net savings.

4.2.1 Savings per EnerGuide Point ENSC calculates a portion of the program's energy savings linked to building envelope using an incremental savings coefficient per increase of EnerGuide point (also referred to as "savings per EnerGuide po...

AI summary ENSC calculates energy savings per EnerGuide point using an incremental savings coefficient. The 2011 EEH program evaluation report provided a value of 817 kWh per EnerGuide point. In 2012, the evaluation approach was similar but used a larger sample size and focused on space heating savings only.

Data Processing In the 2012 tracking sheet, ENSC collected information on the initial and final EnerGuide ratings but did not receive any information on the annual electrical consumption provided in the HOT2000 simulations. Since this info...

AI summary In 2012, ENSC collected EnerGuide ratings but lacked annual energy consumption data. To assess savings per EnerGuide point, ENSC requested this data from NRCan, which was provided for 5,839 LIHS and HEA participants. After applying criteria for data completeness, electric heating, and consistent EnerGuide ratings, 506 participants were selected for analysis.

EnerGuide Rating The 506 participants selected by Econoler were used to analyze the average space heating energy savings per EnerGuide point through the comparison of D and E simulation results. Since the majority of EnerGuide rating savin...

AI summary Econoler analyzed 506 participants to determine average space heating energy savings per EnerGuide point by comparing simulation results. The analysis focused on space heating reductions and used data from HOT2000 simulations provided by NRCan to ensure accuracy.

Table 21: Calculation of Average Savings per EnerGuide Point from HOT2000 Data Description Values and Units Average increase of EnerGuide point per participant From 1 to 49 Average space heating savings per participant From 211 to 51,301 k...

AI summary Table 21 presents the average savings per EnerGuide point from HOT2000 data, showing an overall average of 1,074 kWh/year, similar to last year's result. Econoler conducted a linear regression analysis to improve the precision of the previous analysis, using space heating savings data from audits and incremental EnerGuide ratings.

Calibration of Simulation Results To evaluate the accuracy of the results obtained from the HOT2000 simulations, a billing analysis was performed over 416 participants (94 from LIHS and 322 from HEA). These program participants corresponde...

AI summary A billing analysis was conducted on 416 participants from the LIHS and HEA programs to evaluate the accuracy of HOT2000 simulation results. The analysis compared simulated heating consumption with actual consumption data from NSPI. The Princeton Scorekeeping Method (PRISM) was used to create a regression model for each participant, distinguishing between daily base consumption and temperature-dependent consumption.

4.2.2 Prescriptive Measure Savings Projects that were finalized in 2012 as part of the EEH program included prescriptive measures. Similar to the approach used for the 2011 evaluation, the same four prescriptive measures have to be evaluat...

AI summary The EEH program in 2012 included prescriptive measures evaluated separately from EnerGuide point analysis. The evaluation methodology changed in 2012, focusing only on space heating savings, excluding DHW measures. Solar DHW systems were added as a new prescriptive measure, increasing the total to five.

Solar DHW Systems Connected to Electric Water Heater Tanks ENSC does not use a unitary savings value for this product since it is covered by the HOT2000 simulations and included in the EnerGuide point savings. As explained before, the new...

AI summary ENSC does not use a unitary savings value for solar DHW systems connected to electric water heater tanks because they are covered by HOT2000 simulations and EnerGuide point savings. Econoler calculated an average unitary savings value of 2,234 kWh for this measure based on analysis of the Solar tracking sheet.

Electric Hot Water Heater Tank Wraps For this product, ENSC does not consider unitary savings, since the EnerGuide point savings value calculated for the 2011 EEH program evaluation took hot water heater tank wraps into account. As explain...

AI summary ENSC does not consider unitary savings for electric hot water heater tank wraps, as the EnerGuide point savings value from the 2011 EEH program evaluation included these wraps. The 2012 evaluation excluded domestic hot water measures, using a unitary savings value of 270 kWh/year based on conductance values from the OPA report, which Econoler deems appropriate.

Programmable Thermostats For programmable thermostats, ENSC uses a unitary savings value of 221 kWh per year. This value comes from the 2011 EEH program impact evaluation report. It is based on the 2009 evaluation of Hydro-Québec's Residen...

AI summary ENSC uses a unitary savings value of 221 kWh per year for programmable thermostats, derived from a 2011 EEH program impact evaluation report and based on a 2009 evaluation of Hydro-Québec's Residential Electronic Thermostats in New Construction program.

4.2.4 Revised Gross Savings Energy and demand savings for the program were revised to reflect the calibrated savings per EnerGuide rating point and the revised savings from prescriptive measures presented. For the calculation of savings at...

AI summary The document discusses revised gross energy and peak demand savings for the Heat Energy Assistance (HEA) program in 2012. The savings are calculated using a line loss factor of 1.100 provided by NSPI, with results showing 9.343 GWh and 3.082 MW at the meter, and 10.277 GWh and 3.390 MW at the generator.

Table 24: Evaluation Results – Gross Energy and Demand Savings Product Category Savings per EnerGuide Point DWHR Pipe Insulation Tank Wraps Program mable Thermostats Solar DHW Systems ETS Forced Air Furnaces ETS Room Units Total Energy Sav...

AI summary Table 24 presents evaluation results for energy and demand savings across various product categories. It includes data on the number of units, unitary energy savings, and total gross energy and demand savings at both the meter and generator levels, along with line loss factors and demand-to-energy ratios.

4.3 INTERACTIVE EFFECTS In a residence, interactive effects occur when the implementation of energy efficiency measures has an impact on the energy consumption of other elements, such as heating and cooling. In the case of pipe insulation...

AI summary Interactive effects occur when energy efficiency measures influence other energy consumption areas, like heating and cooling. For example, pipe insulation and hot water tank wraps under the EEH program had -100% interactive effects during heating and +100% during cooling. Econoler calculated a weighted interactive effects factor of -28.1% based on heating and cooling periods in Halifax.

Table 25: Interactive Effects Factor for Pipe Insulation and Hot Water Tank Wraps Parameters % of Residences Interactive Effects During Heating Period Interactive Effects During Cooling Period Electric Baseboard Heating With Air Conditioni...

AI summary Table 25 presents the interactive effects factor for pipe insulation and hot water tank wraps, showing the percentage of residences and their effects during heating and cooling periods. The weighted interactive effects are -31.1% during heating and 3.0% during cooling, with a factor of -28 and 0.1% respectively. Other products have negligible interactive effects.

Table 26: Evaluation Results – Net Energy and Demand Savings Product Category Savings per EnerGuide Point DWHR Pipe Insulation Tank Wraps Program mable Thermostats Solar DHW ETS Forced Air Furnaces ETS Room Units Total Energy Savings Total...

AI summary Table 26 presents evaluation results for net energy and demand savings across various product categories, including energy savings at the meter and generator levels, as well as demand savings. The data includes interactive effects factors, NTGR, and line loss factors for each category.

Evaluation Plan 6. Adapt the evaluation plan template to meet program needs: Since HEA is an assessment program with specific savings for each recommended measure, the program Base Case (section 3) could be simplified by eliminating all li...

AI summary The document provides recommendations for improving the evaluation plan, program charts, marketing and outreach activities, and tracking sheets for the Home Energy Assessment (HEA) program. It suggests simplifying the evaluation plan, creating simplified process charts, making performance indicators more quantitative, and adding utility account numbers to tracking sheets for better impact evaluation.

Tracking Sheet - 10. Add the percentage of electric heating: In 2011, the electricity savings were calculated by the Evaluator based on the percentage of space heating load delivered by electricity. This information was available from the...

AI summary The tracking sheet outlines procedures for calculating and validating energy savings. It addresses the percentage of electric heating, validation processes for data entry, and the distinction between gross and net savings. The ENSC is responsible for implementing these procedures.

2012 Evaluation Report Although the advisor mention FINAL COMMENT:

AI summary The 2012 Evaluation Report contains a table with a final comment section, though the content is not clearly visible or detailed in the provided text. The report is likely related to an evaluation of energy efficiency programs or initiatives.

[IF SO1=1] SO2. Which upgrades have you implemented on your own after participating in the [Home Energy Assessment service/EnerGuide for Existing Houses Program]? [READ, ACCEPT MULTIPLE] [IF VR2a=1 (Yes, implemented at least one upgrade):...

AI summary The text asks participants in the Home Energy Assessment service or EnerGuide for Existing Houses Program about upgrades they implemented after receiving recommendations and whether they received financing or rebates from other Efficiency Nova Scotia programs. It also asks about the influence of the program on their decision to implement upgrades.

Notes on the On-Site Evaluation (D) Quality assurance Appendix 1 Blower Door Test equipment set-up preparation for test Readings (8X) identification of air leaks information to client recommendations to client required pictures comb.spilla...

AI summary This document outlines procedures and quality assurance measures for on-site evaluations, including the Blower Door Test, Energuide Report, and HOT2000 Simulation. It details data collection, client communication, and audit processes for energy efficiency assessments.

1 COMPONENT DESCRIPTION Fuel Substitution began in April 2011 and ran as a pilot until the end of the year 2011. Starting in January 2012, the pilot phase was completed, and Fuel Substitution was launched by Efficiency Nova Scotia Corporat...

AI summary Fuel Substitution, launched by Efficiency Nova Scotia Corporation (ENSC) in 2012, encourages homeowners to reduce electricity use for heating and domestic hot water by replacing electric systems with alternative sources. The program offers rebates and financing options, with goals of achieving 2.7 GWh electricity savings and 1.2 MW demand savings in 2012.

4.1 OBJECTIVE AND APPROACH OF THE IMPACT EVALUATION The purpose of the impact evaluation is to determine the gross and net savings of the program for 2012. Both energy and demand savings were considered in this evaluation. To do so, the fo...

AI summary The impact evaluation for 2012 assesses the program's gross and net energy and demand savings. Key factors include unitary savings values, free-ridership, and spillover. The evaluation relied on reports, on-site visits, and a survey of participants to validate savings estimates and calculate the net-to-gross ratio (NTGR).

Table 22: Tracked Unitary Savings Values from the 2011 Evaluation Report Category of Equipment Old Annual Electric Consumption for Heating (kWh/year) New Annual Electric Consumption for Backup/Fans/ Pumps (kWh/year) Energy Savings Value (k...

AI summary Table 22 presents tracked unitary savings values from the 2011 Evaluation Report, detailing energy and demand savings for various heating equipment categories such as wood stoves, pellet stoves, and natural gas boilers. Adjusted energy and demand savings values are also included for some categories.

# ECONOLE R Category of Equipment Old Annual Electric Consumption for Heating (kWh/year) New Annual Electric Consumption for Backup/Fans/ Pumps (kWh/year) Energy Savings Value (kWh/year) Adjusted Energy Savings Value (kWh/year) Old Annual...

AI summary The table presents energy savings data for various heating systems, comparing old and new annual electric consumption and demand values. It includes energy savings values and adjusted values for hybrid wood heating systems, central furnaces, propane furnaces, and gas tanked and tankless domestic hot water systems. The data also includes a note about an adjustment made to the savings estimate for hybrid wood heating systems.

Geothermal and Ducted Central Air Source Heat Pumps Econoler reviewed the unitary savings values used for geothermal and ducted central air source heat pumps based on studies and evaluation reports. For geothermal heat pumps, Econoler revi...

AI summary Econoler reviewed the unitary savings values for geothermal and ducted central air source heat pumps, revising the geothermal value based on Hydro-Québec's evaluation and estimating demand savings using a central natural gas heating system. For ducted air source heat pumps, Econoler used data from the OPA report and estimated annual unitary savings at 7,076 kWh.

Gas Area Heater To estimate the unitary savings value for gas area heaters, ENSC took the unitary savings value established for wood stoves and calculated a unitary savings value based on the proportion of the capacity installed for each t...

AI summary ENSC estimated the unitary savings value for gas area heaters by using the proportion of capacity installed compared to wood stoves. Econoler validated this approach but adjusted the value based on wood stove savings and market capacity assumptions, resulting in a unitary savings value of 2,539 kWh/year and demand savings of 1.45 kW.

DWHR For DWHR, ENSC uses a unitary savings value of 816 kWh. This value was revised by Econoler during the 2011 evaluation of EnerGuide for Existing Houses. To do so, the Evaluator consulted the 2011 OPA report, 33 which contains a unitary...

AI summary ENSC uses a unitary savings value of 816 kWh for DWHR, based on the 2011 OPA report. The OPA also considers winter peak demand savings of 0.15 kW for DWHR systems. Econoler maintains that the OPA's assumptions remain appropriate.

Gas Range and Gas Dryer The unitary savings values used for gas ranges and gas dryers are based on the replacement of old equipment manufactured in 2001. The consumption values come from NRCan's National Energy Use Database. Econoler consi...

AI summary The unitary savings values for gas ranges and gas dryers are based on replacing old equipment from 2001, using data from NRCan's National Energy Use Database. Econoler assumes the replaced electric appliances are over 10 years old. Due to limited data and low participation, demand savings for these appliances are not considered.

Table 24: Revised Unitary Savings Values Based on the Literature Review Category of Equipment Tracked Energy Savings Value (kWh/year) Revised Energy Savings Value (kWh/year) Tracked Demand Savings Value (kW/year) Revised Demand Savings Val...

AI summary Table 24 presents revised unitary savings values for various energy-efficient equipment based on a literature review. The table compares tracked and revised energy and demand savings values, with notable increases for geothermal heat pumps and slight decreases for some other equipment. The section also mentions on-site visit results, indicating additional analysis or data collection.

DEFINITIONS Base case A base case details the information on how assumed gross savings used in the tracking sheet have been established. Usually, these savings are calculated with a series of variables such as hours of operation, wattage o...

AI summary The document defines key terms related to energy efficiency programs, including base case, demand savings, distortion effects, and net-to-gross ratio. It outlines how energy savings are calculated, evaluated, and tracked, considering factors like interactive effects and distortion effects.

PROGRAM COMPONENT OVERVIEW LIHS aims to facilitate the implementation of cost-effective building enclosure measures in residential low-income customer-owned households all across Nova Scotia by providing upgrades at no cost to the homeowne...

AI summary The Low-Income Home Upgrade (LIHS) program provides free building enclosure improvements to low-income homeowners in Nova Scotia, funded by electricity ratepayers and provincial funds. It includes insulation, draft-proofing, and appliance replacements, with the goal of achieving electricity and demand savings.

Table 1: Comparison of Tracked and Evaluated Savings at the Generator Initial Gross Savings Gross Savings with Interactive Effects NTGR Net Savings Energy Savings Tracked Savings from ENSC 2.292 GWh 2.202 GWh 1.00 2.202 GWh Evaluation Resu...

AI summary The document compares tracked and evaluated energy and demand savings from ENSC's programs in 2012. Adjustments to gross energy savings per EnerGuide point and reductions in unitary savings for prescriptive measures were made, but these adjustments balanced each other, resulting in evaluated savings being very similar to tracked savings.

2.2.3 On-Site Visits In November 2012, three on-site visits were conducted at houses in which measures from LIHS had been implemented. This part of the process evaluation was carried out by Econoler's subcontractor ecoPlus Services, which...

AI summary In November 2012, three on-site visits were conducted to evaluate the implementation of LIHS measures. The visits were carried out by ecoPlus Services, ensuring EAs followed EnerGuide guidelines and collected necessary data for HOT2000 simulations. Sampling included different DAs and pre- and post-retrofit assessments.

oint of 817 kWh. This figure came from the 2011 program evaluation. - > Main heating system type, electricity heating percentage, number of prescriptive measures and respective unitary savings values. For projects pending the final energy...

AI summary The document discusses the use of tracking sheets for energy efficiency programs, including temporary estimation methods for energy savings based on projected EnerGuide ratings and the recommendation to standardize data entry to improve accuracy and understanding of savings calculations.

4.1 OBJECTIVE AND APPROACH OF THE IMPACT EVALUATION The impact evaluation is aimed at determining the gross and net savings of the program for 2012. Both energy and demand savings were considered in this evaluation. To do so, Econoler anal...

AI summary The impact evaluation assesses the gross and net energy and demand savings of the program for 2012. Econoler used HOT2000 simulations, prescriptive measure savings, and interactive effects for lighting and DHW measures to analyze 172 simulation results and calibrate billing data. Net savings were evaluated using interactive effects factors, with the NTGR for LIHS assumed to be 1.

4.2 GROSS SAVINGS The tracking sheets provided by ENSC for 2012 contained a total of 811 participants. These participants were bundled with 1,839 participants from HEA to estimate an incremental energy savings per EnerGuide point (hereafte...

AI summary ENSC provided tracking sheets with 811 participants for 2012, which were combined with 1,839 HEA participants to estimate energy savings per EnerGuide point. Econoler adjusted prescriptive measure savings based on ENSC program findings and used parameters like incremental energy savings and demand-to-energy ratio to evaluate LIHS gross savings.

4.2.1 Savings per EnerGuide Point In 2012, ENSC calculated a portion of the program's energy savings linked to building envelope using an incremental savings coefficient per EnerGuide point increase (also referred to as "savings per EnerGu...

AI summary In 2012, ENSC calculated energy savings per EnerGuide point using a coefficient of 817 kWh, based on the 2011 Low Income evaluation report. Econoler later adjusted this figure to 914 kWh after finding that HOT2000 simulations overestimated space heating electric consumption by 18%.

4.2.2 Prescriptive Measure Savings In addition to the savings per EnerGuide point coefficient, ENSC calculated incremental savings for a set of prescriptive measures that are not taken into account in HOT2000 simulations. The savings value...

AI summary ENSC calculated incremental savings for prescriptive measures not considered in HOT2000 simulations, using data from 2011 evaluation reports for ENSC's residential programs.

Specialty CFLs For the specialty CFLs, ENSC uses the unitary savings figure calculated in the 2011 Retail Markdown Program (RMP) evaluation. The analysis of specialty CFLs sold through the RMP revealed that the typical difference in wattag...

AI summary The document discusses the calculation of unitary savings for specialty compact fluorescent lamps (CFLs) used in the Retail Markdown Program (RMP) and Instant Savings program. It outlines the differences in wattage between the CFLs and the lamps they replaced, and provides equations to calculate annual unitary savings based on these values.

Faucet Aerators For all faucet aerators installed through the program, ENSC uses a unitary savings value of 176.3 kWh per year. This value comes from the 2011 OPA Prescriptive Measures and Assumptions report. The OPA reports a base flow ra...

AI summary ENSC uses a unitary savings value of 176.3 kWh per year for faucet aerators, derived from the 2011 OPA report. The value assumes a 31.8% reduction in water flow and an average hot water usage of 8.81 liters per day per household. Econoler validated this approach, finding limited alternative data.

Table 7: Evaluation Results – Gross Energy and Demand Savings Product Category Savings per EnerGuide Point 13-Watt CFL 23-Watt CFL Specialty CFL Flush Mount CFL CFL Porch Light Program mable Thermostat Electric Kettle Power Bar with Timer...

AI summary Table 7 presents evaluation results for gross energy and demand savings across various product categories. It includes data on the number of units, unitary savings, total energy and demand savings, and line loss factors for different energy-efficient products and programs.

Table 8: Interactive Effects Calculation for CFL Products Parameters % of Residences Interactive Effects Electric Heating with Air Conditioning 38% x 0% = 0% -54.4% Electric Heating without Air Conditioning 38% x 100% = 38.3% -58.0% No Ele...

AI summary Table 8 calculates the interactive effects of CFL products based on heating and air conditioning usage. The overall interactive effects for CFLs are adjusted to -20.9% after accounting for both indoor and outdoor installations, using data from a 2011 socket study conducted for ENSC.

$$(94\% \times -22.2\%) + (6\% \times 0\%) = -20.9\%$$ For pipe insulation and hot water tank wraps installed through LIHS, interactive effects of -100 percent were considered during the heating period in electrically heated houses. This e...

AI summary The text discusses the calculation of interactive effects for energy efficiency measures, such as pipe insulation and hot water tank wraps, in electrically heated homes and those with air conditioning. It uses weighted factors based on heating and cooling degree-days in Halifax, resulting in a -25.5% interactive effects factor for lighting products.

QUALITY AND PRECISION OF THE COMPUTER SIMULATION AND ENERGUIDE RATING The data that was input in the HOT2000 simulation is consistent with the actual real measurements of the house The ENERGUIDE RATING given to the house is accurate / 5 Th...

AI summary The document evaluates the accuracy of the ENERGUIDE RATING and the quality of the HOT2000 simulation used in a home energy assessment. It confirms that the data input, calculations, and recommendations were accurate and consistent with real measurements and proper modeling practices.

PROGRAM OVERVIEW Efficiency Nova Scotia Corporation's (ENSC) Performance Plus' main objective is to encourage homeowners and builders across Nova Scotia to exceed the required building code for energy efficiency in new homes, in order to i...

AI summary The Performance Plus program by Efficiency Nova Scotia Corporation encourages homeowners and builders to exceed building code energy efficiency standards. It uses the HOT2000 simulation tool for analysis and provides incentives based on final EnerGuide ratings after construction. In 2012, the program changed to a global incentive structure tied to overall EnerGuide ratings.

Table 3: Comparison of Tracked and Evaluated Savings at the Generator Initial Gross Savings Gross Savings with Interactive Effects NTGR Net Savings Energy Savings Tracked Savings from ENSC 5.775 GWh 5.689 GWh 0.73 4.153 GWh Evaluation Resu...

AI summary Table 3 compares tracked and evaluated energy and demand savings at the generator level. Tracked savings from ENSC are compared to evaluation results, showing differences in gross savings, interactive effects, and net savings.

1 PROGRAM DESCRIPTION Efficiency Nova Scotia Corporation's (ENSC) Performance Plus' main objective is to encourage homeowners and builders across Nova Scotia to exceed the required building code for energy efficiency in new homes, in order...

AI summary Efficiency Nova Scotia Corporation's Performance Plus program encourages homeowners and builders to exceed building code energy efficiency standards in new homes. The program is funded by electricity ratepayers and the Province of Nova Scotia, with incentives based on achieving specific EnerGuide ratings. Registration is required within 30 days of obtaining a building permit, and final evaluation includes a blower door test and EnerGuide rating.

2.2.4 On-Site Visits In November 2012, two on-site visits were conducted at new houses in which measures from Performance Plus had been implemented. This part of the process evaluation was carried out by Econoler's subcontractor ecoPlus Se...

AI summary In November 2012, two on-site visits were conducted at new homes where Performance Plus measures were implemented. The visits, carried out by ecoPlus Services, aimed to ensure EAs followed EnerGuide guidelines and collected necessary data for HOT2000 simulations. The methodology is detailed in the Process Evaluation section and Appendix IV.

3.4 ON-SITE VISITS The on-site visits conducted as part of the evaluation of Performance Plus were used to assess the procedures and the ecoEnergy protocol that the EAs must follow during assessments. The ecoEnergy protocol was established...

AI summary On-site visits were conducted to evaluate the Performance Plus program, assessing whether EAs followed the ecoEnergy protocol. The visits confirmed that advisors followed procedures well, collected detailed data, and achieved accurate EnerGuide ratings. Econoler also evaluated the accuracy of HOT2000 simulations generated by the EAs.

3.5.1 Perceptions Related to Program Changes A total of three DAs and three EAs were interviewed for the evaluation of Performance Plus. The program partners were asked, among other things, about their general satisfaction with the program...

AI summary Interviews with Distribution Agents (DAs) and Energy Advisors (EAs) revealed high satisfaction with the Performance Plus program, though some improvements were suggested, including better alignment of incentives with costs, increased public education, and expanded coverage of energy efficiency upgrades.

New House EnerGuide Baseline For Performance Plus, ENSC calculates energy savings generated by new high-efficiency houses by comparing them to standard new houses being built in Nova Scotia. In 2009, the EnerGuide rating of new houses that...

AI summary ENSC calculates energy savings from high-efficiency homes by comparing them to the EnerGuide baseline. The baseline was raised from 73 to 80 in 2010 to align with updated building codes. In 2011, studies suggested the baseline should be adjusted to 78, which was used for 2012. The Evaluator recommends further investigation for 2013.

Savings per EnerGuide Point ENSC calculates all building envelope and most of heating, ventilation and air conditioning (HVAC) system energy savings of Performance Plus using an incremental savings coefficient per EnerGuide point increase...

AI summary ENSC calculates energy savings per EnerGuide point for the Performance Plus program, using an incremental savings coefficient. The 2012 evaluation used a value of 914 kWh per EnerGuide point after adjusting for overestimation in HOT2000 simulations. This method applies only when the main heat source is electricity.

4.2.2 Prescriptive Measure Savings In addition to the savings per EnerGuide point coefficient, ENSC calculated incremental savings for a set of prescriptive measures that are not taken into account in HOT2000 simulations. The savings value...

AI summary ENSC calculated incremental savings for prescriptive measures not included in HOT2000 simulations, including Drain Water Heat Recovery and electric DHW heater pipe insulation. These savings were considered under specific conditions, and a new prescriptive measure, solar DHW systems, was added for 2012.

Electric DHW Heater Pipe Insulation Performance Plus proposed the installation of DHW heater pipe insulation where the DHW is electrically heated. For this product, ENSC uses a unitary savings value of 74 kWh. This value was used for the 2...

AI summary Performance Plus proposed electric DHW heater pipe insulation with a unitary savings value of 74 kWh, based on assumptions from the 2011 OPA report. Econoler noted this value corresponds to 6 feet of insulation, not the 10 feet assumed by ENSC.

Solar DHW Systems Connected to Electric Water Heater Tank ENSC does not use a unitary savings for this product since it is covered by the HOT2000 simulations and included in the EnerGuide point savings. As explained before, the new approac...

AI summary ENSC uses HOT2000 simulations to calculate EnerGuide point savings for solar DHW systems connected to electric water heater tanks. Econoler calculated an average unitary savings value of 2,234 kWh for this measure, which will be used to calculate the gross savings for 2012.

Table 35: Evaluation Results – Gross Energy and Demand Savings Product Category Savings per EnerGuide Point DWHR Pipe Insulation Program mable Thermo stats 13- Watt CFLs Solar DHW ETS Forced Air Furnaces ETS Central Hydronic Systems ETS Ro...

AI summary Table 35 presents evaluation results for gross energy and demand savings across various product categories in Nova Scotia. It includes data on the number of units, unitary savings, and total gross energy and demand savings at both the meter and generator levels, along with line loss factors and demand-to-energy ratios.

4.3 INTERACTIVE EFFECTS In a residence, interactive effects occur when the implementation of energy efficiency measures has an impact on the energy consumption of other elements such as heating and cooling. In the case of Performance Plus,...

AI summary This section discusses interactive effects in residential energy efficiency, focusing on how energy-efficient lighting like CFLs can influence heating and cooling loads. The analysis uses data from a 1992 study and adjusts for the proportion of electric heating systems and air conditioning units among program participants.

Table 37: Interactive Effects Factor for Pipe Insulation and Hot Water Tank Wraps Parameters % of Residences Interactive Effects during Heating Period Interactive Effects during Cooling Period Electric Baseboard Heating with Air Conditioni...

AI summary Table 37 outlines the interactive effects factor for pipe insulation and hot water tank wraps in different residential heating and cooling scenarios. It shows how these measures impact energy use during heating and cooling periods, with weighted interactive effects of -22.0% during heating and +3.0% during cooling. The table also notes that for other prescriptive measures installed through Performance Plus in 2012, interactive effects were considered negligible.

Table 39: Comparison of Tracked and Evaluated Savings at the Generator Initial Gross Savings Gross Savings with Interactive Effects NTGR Net Savings Energy Savings Tracked Savings from ENSC 5.775 GWh 5.689 GWh 0.73 4.153 GWh Evaluation Res...

AI summary Table 39 compares tracked and evaluated energy and demand savings from ENSC in 2012. Evaluated savings are higher than tracked savings by 19% and 18%, respectively, due to an adjustment in energy savings per EnerGuide point and a larger sample size used in the evaluation.

CONCLUSION The 2012 evaluation of Performance Plus demonstrated that the program underwent a series of changes that altered its design and implementation. Indeed, Performance Plus went from attributing distinctive incentives for every impl...

AI summary The 2012 evaluation of the Performance Plus program showed significant improvements since 2011, including better program design, increased promotion, and higher participant satisfaction. The program saw an increase in participants and achieved higher energy and demand savings. However, program partners noted that more marketing and information on the assessment process were needed.

This Appendix presents all recommendations made by the Evaluator throughout the report as well as the sections where the recommendations originated. Sections Recommendations Tracking Sheet 10. Ensure that only participants appear in the "S...

AI summary The appendix outlines two key recommendations from the Evaluator. The first suggests removing non-participants from the 'Savings' and 'Incentives' tabs to ensure accurate energy savings calculations. The second recommends adding fields for building energy consumption data, using HOT2000 instead of EnerGuide ratings for greater accuracy.

QUALITY AND PRECISION OF THE ''N'' EVALUATION PROCESS The advisor made a reasonable effort to verify what details were built exactly as on the / 5 blueprints and house that were built directly. Where differences between blueprints and actu...

AI summary The document evaluates the quality and precision of the ''N'' evaluation process, focusing on the advisor's efforts to verify construction details, use proper equipment, and conduct thorough assessments including blower door tests and combustion spillage tests. The advisor's adherence to safety, respect for client property, and timely report submission are highlighted.

Recommendations for Program Improvements (R Series) - R1. Do you have any recommendations for improving the Performance Plus program? PROBE: Anything else? - 1. (Offer more measures eligible for rebates) [GO TO R3] - 2. (Offer more informa...

AI summary The document outlines recommendations for improving the Performance Plus program, including expanding eligible measures, improving information and marketing, streamlining processes, and enhancing auditor support. Respondents are asked to specify additional energy efficiency upgrades they would like covered by the program.

Notes on the On-Site Evaluation (D) Quality assurance Appendix 1 Blower Door Test equipment set-up preparation for test Readings (8X) identification of air leaks information to client recommendations to client required pictures comb.spilla...

AI summary The text outlines procedures and quality assurance measures for on-site evaluations, including the Blower Door Test, Energuide Report, and data collection processes. It also includes audit and simulation details, such as audit file numbers, advisor names, and quality assurance checks.

2.2.4 On-Site Visits From October 10 through December 14, 2012, a total of 100 on-site visits were conducted in households where energy-efficient products had been installed by the DAs. These visits were conducted by Econoler's subcontract...

AI summary From October 10 to December 14, 2012, 100 on-site visits were conducted by Equilibrium Engineering to validate the proper installation of energy-efficient products in households. The visits aimed to identify discrepancies, document issues, and collect technical data to validate unitary savings assumptions.

rmation on the energy source used for space heating and this information is useful for the interactive effects factor calculations. Along these lines, the Evaluator recommends adding a field in the tracking sheet to collect information on...

AI summary The Evaluator recommends adding a field to the tracking sheet to collect information on air conditioning use for more accurate interactive effects factor calculations. It also highlights that some fields in the tracking sheet, such as rate code and heat type, are not consistently filled out, which affects data quality and program monitoring.

On-Site Visit Protocol The on-site visits were conducted to validate the installation of the products according to the data found in the tracking sheet and to establish the percentage of products removed, if any, and the causes for removin...

AI summary An on-site visit protocol was implemented to verify product installations, assess removal rates, and collect technical data to validate assumptions about product unitary savings, including lighting products, hot water tank wraps, faucet aerators, and low-flow showerheads.

Table 29: Percentages of Products Installed and Installation Ratesed Category of Product Quantity Installed – From Tracking Sheet Quantity Installed – From On-Site Visits Percentage of Products Installed Installation Rate Error Margin19 CF...

AI summary Table 29 shows high installation rates for energy-efficient products, with minimal discrepancies between tracking sheet data and on-site visits. The data indicates very low product removal rates, contributing to high installation rates across various product categories.

4.2.12 Revised Gross Savings The annual gross savings for each category of product installed through the program are presented in [Table 30.](#page-94-0) They were calculated using the revised unitary savings values presented in the previo...

AI summary The document presents revised gross energy and demand savings from program installations, totaling 42.207 GWh and 9.623 MW at the meter. Generator-level savings are estimated at 46.427 GWh and 10.585 MW, using a line loss factor of 1.100 provided by Nova Scotia Power.

Table 33: Interactive Effects Factors for CFLs, LED Lamps and LED Nightlights Category of Product % Indoor % Outdoor Interactive Effects Factor CFL 94% 6% (94% × -17.9%) + (6% × 0%) = -16.8% LED Lamp 100% 0% -17.9% LED Nightlight 100% 0% -...

AI summary Table 33 outlines interactive effects factors for CFLs, LED lamps, and LED nightlights, showing how indoor and outdoor usage percentages influence energy savings. During heating periods, insulation and hot water tank wraps have a -100% interactive effect, while during cooling periods, they have a +100% effect. Econoler calculated a weighted interactive effects factor of -18.3% for lighting products in Nova Scotia, based on heating and cooling degree-days.

Ref.: 5790 42 24 RETScreen International, Normalized climate data for Halifax International Airport, Natural Resources Canada, 1997-2010.

AI summary The text references a source from RETScreen International providing normalized climate data for Halifax International Airport from 1997 to 2010. It includes a reference number and a picture placeholder.

4.5 NET SAVINGS Net energy savings are estimated by adding the interactive effects and the NTGR to the gross energy savings, using the equation below. Net Energy Savings = Gross Energy Savings × (1 + Interactive Effects Factor) × NTGR The...

AI summary The document calculates net energy savings by incorporating gross energy savings, interactive effects, and the NTGR factor. The total net energy and demand savings are reported as 33.675 GWh and 7.678 MW at the meter, and 37.043 GWh and 8.446 MW at the generator.

Common Areas Rental Units - > CFLs; > CFLs; - > LED exit signs; and > faucet aerators; - > hot water tank wraps. > low-flow showerheads; - > LED lamps; > LED nightlights; - > pipe insulation; and - > hot water tank wraps. In 2011, under th...

AI summary The Common Areas Rental Units program includes energy efficiency upgrades like LED lighting, faucet aerators, and hot water tank wraps. Funding for electricity-related upgrades comes from rate-payers, while other fuel-related upgrades are funded by the Province of Nova Scotia. Savings from these upgrades are tracked under the Commercial Direct Install targets and the Existing Houses program.

New England States, 2009 12 urce Hours (h/c of Use lay) Number of Number of Meterin Indoor Outdoor homes loggers Period Hydro, 2009 8 2.43 - 18 77 2004 3.1

AI summary The text presents a table with data from Hydro, 2009, including indoor and outdoor usage hours, number of homes, loggers, and metering periods. The table appears to be part of a larger analysis, possibly related to energy efficiency or utility operations.

4.2.9 Revised Gross Savings The annual gross savings for each category of product installed through the program are presented in [Table 27.](#page-183-0) They were calculated using the revised unitary savings values presented in the previo...

AI summary The annual gross savings for each category of product installed through the program are calculated using revised unitary savings values. Total gross energy and demand savings amount to 2.863 GWh and 0.661 MW at the meter. At the generator level, using a line loss factor of 1.093, the savings are estimated at 3.130 GWh and 0.723 MW for MURB, which targets multi-unit buildings with a mix of commercial and residential customers.

Ref.: 5790 36 - & lt;sup>19 DOE-2 is a widely used and accepted software building energy analysis program developed under funding from the U.S. Department of Energy. & lt;sup>20 ENSC from socket study. 21 Statistics Canada (CANSIM), Househ...

AI summary The text discusses the use of DOE-2 software for building energy analysis, references a socket study conducted for ENSC in 2011, and mentions the adjustment of interactive effects factors based on the proportion of CFL installations in indoor and outdoor sockets.

Table 29: Interactive Effects Factors for Regular CFLs, Dimmable CFLs and LED Nightlights Category of Product % Indoor % Outdoor Interactive Effects Factor Regular CFL (13W and 23W) 94% 6% (94% × -18.5%) + (6% × 0%) = -17.4% Dimmable CFL (...

AI summary Table 29 presents interactive effects factors for different lighting products, showing how their energy use interacts with heating and cooling loads. For electrically heated homes, pipe insulation and hot water tank wraps have a -100% interactive effect during the heating period, while air-conditioned homes have a +100% effect during the cooling period. Lighting products like CFLs and LED nightlights have lower interactive effects, with a weighted average of -19.0% for Nova Scotia residences.

DEFINITIONS Base case A base case details the information on how assumed gross savings used in the tracking sheet have been established. Usually, these savings are calculated with a series of variables such as hours of operation, wattage o...

AI summary This section defines key terms used in energy efficiency program evaluations, including base case, demand savings, distortion effects, gross and net energy savings, and net-to-gross ratio. It outlines how energy savings are calculated and tracked, considering factors like interactive and distortion effects.

PROGRAM COMPONENT OVERVIEW Solar provides rebates to encourage the adoption of solar thermal (water and air heating) installations in homes and businesses across Nova Scotia. Solar heating systems convert the sun's energy into thermal ener...

AI summary The Solar program in Nova Scotia provides rebates for solar thermal installations in homes and businesses. The program has operated under Conserve Nova Scotia and Efficiency Nova Scotia Corporation (ENSC). Additional rebates were available under EnerGuide for Houses and Performance Plus programs. In 2012, residential participants could choose between a rebate or zero-interest financing for solar water heating, but not for air systems or commercial systems. Expected net energy savings for 2012 were 0.099 GWh.

2.2.1 Analyzing Existing Program Information Analyzing program documentation was the first task in the evaluation for Solar. At this stage, all of the available program information was reviewed. The following sources were consulted: - > EN...

AI summary The evaluation for Solar began with analyzing existing program information, including sources such as the ENSC website, Program Manual, and Tracking Sheet.

Table 2: Total Number of Projects and Tracked Savings Used for On-Site Visit Sampling 4 Collector Type System Usage Flat Plate Evacuated Tubes Total DHW Only 28 7 35 Space Heating Only 0 0 0 Both 2 1 3 Total 30 8 38 Although most of the sy...

AI summary Table 2 provides data on the number of solar thermal systems installed, categorized by collector type and system usage. It indicates that most systems had one or two collectors, but 15% included three or more. The data is used for on-site visit sampling.

Tracked Savings The tracking sheet provided for 2012 contained a total of 45 completed projects, with 44 for residential participants and 1 for commercial participants. These projects involved installations with electricity savings, and th...

AI summary The document discusses ENSC's method for calculating energy savings from residential and commercial solar hot water installations, referencing NRCan's performance directory and TRNSYS simulations for systems not included in the directory. Table 3 summarizes the unitary energy savings values used.

Table 3: Unitary Savings Values for Solar Equipment Make Model Collector Number and Size Savings (kWh/year) Apricus Inc. DWBPHE_AP40 2 x 2.74 m2 1,981 Solensis ST-01006 1 x 2.874 m² 1,464 Atis Group Inc. Solensis ST-0200 2 x 2.874 m2 2,414...

AI summary Table 3 presents unitary savings values for various solar equipment models, including their collector sizes and annual energy savings. ENSC estimated that space heating would offset five percent of the annual energy consumption for an average Nova Scotia home, based on a report from Equilibrium Engineering.

Table 5: Evaluation Results – Revised Net Savings Residential Commercial Category of Measure DHW SH DHW SH Total Energy Savings Total gross energy savings – at meter (GWh) 0.095 0.002 0.011 0.001 0.109 NTGR 1 1 1 1 - Total Net Energy Savin...

AI summary Table 5 presents evaluation results for revised net savings, comparing energy savings from residential and commercial measures. The table includes gross and net energy savings, line loss factors, and total net energy savings at the generator level.

Table 6: Comparisons of Tracked and Evaluated Savings at the Generator Gross Savings NTGR Net Savings Energy Savings Tracked Savings from ENSC 0.120 GWh 0.70 0.084 GWh Evaluation Results 0.120 GWh 1.00 0.120 GWh Demand Savings Tracked Savi...

AI summary Table 6 compares energy and demand savings tracked by ENSC with evaluation results for 2012. Evaluated energy savings were 43% higher than tracked savings, attributed to an NTGR of 0.7 assumed by ENSC. A minor adjustment for space heating had minimal impact.

CONCLUSION The 2012 evaluation revealed that Solar had generated net energy savings of 0.120 GWh at the generator. To calculate the net savings of Solar in 2012, Econoler not only reviewed the parameters used for estimating the unitary sav...

AI summary The 2012 evaluation found that Solar generated net energy savings of 0.120 GWh. Econoler validated these savings through RETScreen simulations and on-site visits to ensure accuracy and consistency with installation data.

2.1 OBJECTIVE AND APPROACH OF THE IMPACT EVALUATION The purpose of the impact evaluation is to determine the gross and net savings of the LHLE in 2012. To this end, Econoler reviewed ENSC unitary savings calculations by comparing them with...

AI summary The impact evaluation aims to assess the gross and net energy and demand savings from the LED Holiday Light Exchange (LHLE) in 2012. Econoler reviewed ENSC's unitary savings calculations, compared them with other jurisdictions, and used a diversity factor and interactive effects to calculate gross and net savings.

Table 4: Evaluation Results – Total Gross Energy Savings Number of Units Number of LED sets – from tracking sheet12 9,703 Energy Savings Unitary energy savings value (kWh) 40.8 Total Gross Energy Savings – at Meter (GWh) 0.396 Line loss fa...

AI summary Table 4 presents evaluation results for total gross energy and demand savings from LED installations, including metrics such as number of units, energy savings in kWh and GWh, demand savings in W and MW, and line loss factors. The data is sourced from a monthly report by Nova Scotia Power.

Table 6: Evaluation Results – Total Net Savings Energy Savings Total gross energy savings – at meter (GWh) 0.396 Interactive effects factor -19.80% NTGR 1.00 Total Net Energy Savings – at Meter (GWh) 0.317 Line loss factor 1.100 Total Net...

AI summary Table 6 presents evaluation results for total net energy and demand savings from a program. It includes gross and net energy savings at the meter and generator, interactive effects, line loss factors, and the net-to-gross ratio (NTGR). These metrics help assess the overall effectiveness of energy efficiency initiatives.

1 PROGRAM DESCRIPTION Business Energy Rebates (BER) provides financial incentives in the form of prescriptive rebates to business, non-profit and institutional (BNI) clients to encourage the reduction of electrical energy consumption and d...

AI summary The Business Energy Rebates (BER) program provides prescriptive rebates to BNI clients in Nova Scotia to reduce energy consumption. Launched in 2010, it includes categories like HVAC and lighting, with eligible measures based on industry standards. In 2012, the program expanded to include commercial kitchen and agricultural equipment, aiming for 14.9 GWh electricity savings.

Table 8: Motivations for Participating 2011 (%) 2012 (%) Motivations for Participating Most Important Motivation Second Most Important Motivation Most Important Motivation Second Most Important Motivation Sample Size 43 43 56 56 Save on en...

AI summary Table 8 presents data on participants' motivations for joining energy programs in 2011 and 2012. The primary motivation was saving on energy costs and bills, followed by taking advantage of program incentives and rebates. Other motivations included improving lighting conditions, reducing maintenance costs, and environmental concerns.

icture_0.jpeg) was not filled out and the information had to be collected with the specifications sheets of the new heat pumps installed. One kind of recurrent adjustment made was the correction of HSPF values. For half of the verified pro...

AI summary The document discusses issues with the calculation of HVAC savings, particularly the adjustment of HSPF values for colder climates and the use of incorrect formulas or values in some projects, leading to overpredicted savings. It also notes that full load hours were estimated by participants, with Econoler preferring typical values from Efficiency Vermont.

4.2.2 Lighting Measures A total of 15 on-site visits were conducted to validate the parameters used in the savings calculations. One of those 15 projects had to be removed from the sample because the project had not been completed for spec...

AI summary A total of 15 on-site visits were conducted to validate energy savings calculations for lighting measures. One project was excluded due to external factors, and adjustments were made to savings calculations based on wattage, hours of operation, and installed units. Some participants overestimated or underestimated wattage values, affecting the accuracy of savings estimates.

4.2.4 Motors and Drives Measures Seven on-site visits were conducted for motors and drives measures. These visits allowed validating the technical data used by ENSC in the energy and demand savings calculations, namely the efficiency of th...

AI summary Seven on-site visits were conducted to validate technical data for Motors and Drives measures, leading to adjustments in energy and demand savings calculations. Adjustments were made to motor efficiency data and annual operation hours. For drives, energy and demand savings were calculated using specific factors or VSD impact analysis. Overall, energy savings increased by 3.34%, while demand savings decreased by 2.87%.

4.2.5 Compressed Air Measures For compressed air measures, only one on-site visit was conducted. This visit revealed that the operation hours reported by the participant were much longer than those validated on site, with the information r...

AI summary An on-site visit for compressed air measures revealed discrepancies in reported operation hours, leading to a 32.1% reduction in energy savings for the project. Due to a small sample size, the reduction was limited to the sampled project, affecting 9.83% of overall energy savings.

5.2 GROSS SAVINGS Gross savings for the instant rebate approach were reviewed by the Evaluator based on the total number of products sold and their associated savings. The different categories of products eligible for an instant rebate wer...

AI summary The document outlines the methodology for calculating gross savings for the instant rebate approach, including product categories, unitary savings values, and adjustments to avoid double counting with other programs. It highlights the distribution of T8 lamps and HP ballasts and the exclusion of higher-value rebates from other programs.

5.5 NET SAVINGS Net energy savings are estimated by adding the interactive effects and the NTGR to the gross energy savings using the following equation. Net Energy Savings = Gross Energy Savings × (1 + Interactive Effects Factor) × NTGR T...

AI summary The document explains the calculation of net energy savings, which involves using gross energy savings, the interactive effects factor, and the NTGR. The total net energy and demand savings are reported as 13.084 GWh and 3.450 MW at the meter, and 14.079 GWh and 3.713 MW at the generator.

CONCLUSION The 2012 evaluation of BER demonstrated that the program had undergone a series of changes, creating an intensified impact on the market. In fact, BER has grown in both range and scale, expanding from offering only mail-in rebat...

AI summary The 2012 evaluation of the Building Energy Rebate (BER) program showed significant improvements in its range, scale, and impact since the 2011 evaluation. The program expanded to include instant rebates and new equipment categories, and ENSC implemented key recommendations. Net energy savings and demand savings increased substantially in 2012, though some distributors noted competition from other BNI programs.

Executive Summary 5. Move products from the instant rebate to the mail-in rebate\ : In relation to the preceding recommendation on validating the eligibility of old lamps, there could also be a similar issue with LED chandelier lamps and L...

AI summary Econoler recommends moving certain lighting products to a mail-in rebate to improve eligibility validation, standardizing savings calculations using typical baseline values for lighting products, and requiring motor specifications sheets for motor measures to ensure accurate efficiency calculations.

Agriculture Collect the information in the table below if agriculture measures were installed. Use on-site observation and contact declaration. Use additional sheets if required. The information collected will then be compared with the inf...

AI summary The text provides instructions for collecting information on agriculture measures installed, using on-site observation and contact declaration, and comparing the collected data with the tracking sheet by Econoler.

Table 46: Type of Company Type of Company 2011 (%) 2012 (%) Sample Size 43 56 Independent 67% 80% Part of a larger company 30% 16% Don't know 2% 4% The majority (86%) of participating companies have between one and five facilities in Nova...

AI summary Table 46 shows the distribution of company types in Nova Scotia from 2011 to 2012, with a majority being independent companies. The sample size increased from 43 to 56, and the percentage of independent companies rose from 67% to 80%. Additionally, 86% of participating companies have between one and five facilities in Nova Scotia.

Therefore, the following revised values were used by Econoler in the calculation of evaluated savings. Parameter Unit 1 Unit 2 Capacity (kBTU/h) 18 18 Participant worksheet HSPFBase (BTU/W·h) 3.412 3.412 Baseline for electric baseboard hea...

AI summary The document provides revised values used by Econoler in calculating evaluated savings. It includes parameters such as capacity, HSPFBase, HSPFEE, SEERBase, SEEREE, full load hours in heating and cooling, and tracked demand and energy savings. These values are sourced from various references, including participant worksheets and product specifications.

Refrigeration and HVAC Projects In the 2012 sample, there were three HVAC projects and one refrigeration project. To evaluate the impact of these projects, Econoler first collected the key technical information from the feasibility study....

AI summary This section discusses the evaluation process for refrigeration and HVAC projects in the 2012 sample. Econoler collected technical information, verified installations, and assessed interactive effects on building heating and cooling needs to evaluate energy and demand savings.

Table 19: Comparison of Tracked and Evaluated Savings at the Generator 9 Initial Gross Savings Adjusted Gross Savings NTGR Net Savings Energy Savings Tracked Savings from ENSC 32.536 GWh 31.885 GWh 0.93 29.653 GWh Evaluation Results 32.536...

AI summary The table compares tracked and evaluated energy and demand savings from the Custom Retrofit program. Adjusted gross energy savings were slightly lower than tracked savings, with minor adjustments made by the Evaluator due to issues in interactive effect calculations and discrepancies in equipment counts. The overall adjustment factor for 2012 was very similar to the one used by ENSC for internal monitoring.

Where: - > The "Nominal Power" is given in horsepower (hp), and 0.746 is the conversion factor for kW/hp; - > the "Motor Efficiency" is the nominal efficiency at full load, as written on the nameplate; - > the "Diversity Factor" is the lik...

AI summary The document discusses the calculation of 'Nominal Power' in horsepower and its conversion to kilowatts, as well as the use of 'Motor Efficiency' and 'Diversity Factor' in determining coincident peak demand savings. The 2012 evaluation used a specific timeframe for peak load calculation, similar to the 2011 evaluation.

Final Adjustment Ratios As mentioned previously, the inclusion of the load factor into the energy consumption equation, as well as the correction of the new motor efficiency, had a significant impact on the energy savings for this project,...

AI summary The final adjustment ratios for a project were influenced by the inclusion of load factor and correction of new motor efficiency, resulting in an energy savings adjustment ratio of 0.559. No adjustment ratio was calculated for demand savings due to nil tracked demand savings, but the project's revised demand savings contributed to overall adjustment factors for other projects in the 2012 program impact evaluation.

1 version indicated project status and whether verification was already performed by ENSC, while the 2012 tracking sheet does not provide such information and only includes projects completed in 2012. Like the 2011 version, the 2012 tracki...

AI summary The 2012 tracking sheet provides limited information on energy efficiency projects, including project identification, location, contact details, and expected finish year. It classifies projects into three categories: Energy Modelling, Feasibility Study, and Core Performance Guide. However, it lacks detailed data on how energy savings, peak demand, and financial incentives are calculated.

Sampling Methodology In October 2012, 10 projects were expected to be completed and approved under NC by the end of the year, which concurred with the number of on-site visits planned for this year's evaluation. There was therefore no need...

AI summary In October 2012, 10 NC projects were expected to be completed and approved by year-end, aligning with the planned number of on-site visits. Most projects were conducted under the NCEM program path, while only one followed CPG requirements.

Table 3: Total Number of Projects and Tracked Savings Used for On-Site Visit Sampling 3 # Number of Participants Expected Savings (GWh/year) Percentage of Expected Savings New Construction Energy Modelling (NCEM)4 9 6.803 97% - Energy Mode...

AI summary Table 3 outlines the total number of projects and tracked savings used for on-site visit sampling, focusing on New Construction Energy Modelling (NCEM) and the Core Performance Guide (CPG). It includes data on the number of participants, expected savings, and the percentage of expected savings for each category.

Verification of the Baseline When simulating energy efficiency measures installed in a new building, the building simulation software typically compares the proposed energy-efficient components with the equivalent standard practices in the...

AI summary The document discusses the verification of the baseline in energy efficiency evaluations, specifically focusing on the NCEM project. Econoler evaluated whether baseline assumptions used in building simulations were compliant with the MNECB 1997 and adjusted savings calculations accordingly, except in the case of a major retrofit project where the existing building was used as the baseline.

cotia. In the absence of the hourly peak load curve data, Econoler relied on the buildings' operation schedules collected during the on-site visits for most projects to estimate the diversity factors. By verifying the tracked peak demand s...

AI summary Econoler evaluated NC projects under the NCEM approach, adjusting peak demand savings based on diversity factors and operational schedules. For some projects, savings were increased due to higher diversity factors, while others were reduced or removed due to lack of data or mismatch with peak demand periods.

Table 4: Adjustment Factors for Gross Energy Savings Calculations Adjustment Ratios Program Path Gross Energy Savings Gross Peak Demand Savings NCEM Path 0.984 0.836 CPG Path 1.000 1.000 The adjustment factors in the table above are presen...

AI summary Table 4 provides adjustment factors for gross energy savings calculations under the NCEM and CPG paths. The factors are used to adjust energy savings calculations for projects analyzed in 2012, based on project-specific documentation reviews.

on-site visit's observations. It is also worth noting that all the gross impact assessments described by Econoler so far in the report have already taken into account the interactive effects on space heating and cooling systems as well as...

AI summary The document discusses energy and peak demand savings for the 2012 overall gross energy savings for NC, estimating 5.918 GWh at the meter and 6.276 GWh at the generator. It also mentions peak demand savings of 0.669 MW at the meter and 0.710 MW at the generator, calculated using line loss factors provided by Nova Scotia Power.

APPENDIX I - RECOMMENDATIONS Sections Recommendations Executive Summary 3. Collect energy billing data from program participants: Once the new construction is complete, it would be a good practice for ENSC to start collecting the energy bi...

AI summary The recommendation suggests that ENSC should collect energy billing data from program participants for four to six months after building commissioning to compare simulated and actual energy consumption, identify issues with building simulation accuracy, and ensure energy efficiency measures are properly implemented.

Sampling Methodology A total of 50 on-site visits were conducted for the impact evaluation of SBES. The sampling was completed in September 2012 based on the participant list in the tracking sheet. At that time, the tracking sheet included...

AI summary A total of 50 on-site visits were conducted in September 2012 to evaluate the impact of the SBES program, using a tracking sheet with 746 completed projects. Projects were sorted by category of new product and total tracked energy savings to identify products generating more savings.

Unitary Wattage A review of the unitary wattage values used in the gross savings calculations was conducted for each category of product identified in the tracking sheet. Three types of replacement can be done through this program: - > lam...

AI summary The document discusses the validation of unitary wattage values used in energy savings calculations for lighting products. It highlights discrepancies in ballast factor considerations for different product types, especially in lamp-only replacements and hardwired CFLs, metal halide, and high pressure sodium fixtures. Adjustments were made for T8 fluorescents but not for other categories due to their minimal impact on overall savings.

Hours of Operation Currently, the hours of operation in the program tracking sheet are obtained through information provided by participants. During the 2011 evaluation, time-of-use loggers were installed in 15 participating facilities to...

AI summary The document discusses the evaluation of hours of operation for lighting products under the SBES program. Time-of-use loggers were installed in 2011 and 2012 to measure actual usage against participant declarations. A self-declaration ratio of 0.98 was established, indicating that declared hours are close to actual usage, except for exit signs and the Retail LED pilot.

Installation Rate For the evaluation of SBES in 2011, 15 on-site visits were conducted primarily for quality assurance purposes. For each site, the number of products installed was validated. In several instances, that number was different...

AI summary In 2011, 15 on-site visits were conducted to evaluate the SBES program, but the number was insufficient to adjust tracked savings reliably. Econoler increased the number of visits to 50 this year to improve accuracy. Installation rates were calculated based on discrepancies between on-site data and tracking sheets when the error margin was acceptable.

Where: - > the capacity represents the real capacity of the heat pump installed; - > the Heating Seasonal Performance Factors (HSPF) of the base measure is estimated at 3.412, considering electric baseboard heating as the baseline; - > the...

AI summary The document discusses the methodology for calculating energy savings from heat pump installations, using the Business Energy Rebate (BER) approach. It outlines assumptions about heating performance factors and annual full load hours, while noting the need for future data on air conditioning usage to improve accuracy.

4.2.3 Diversity Factor Based on the information received from ENSC, the peak period for electricity demand in Nova Scotia occurs in December, January and February between 7 a.m. and 12 p.m., as well as between 4 p.m. and 11 p.m. on a weekd...

AI summary The document discusses the determination of the diversity factor for electricity demand in Nova Scotia, noting that peak demand occurs in specific winter hours. A 80% diversity factor was calculated for lighting products, while heat pumps were assigned a 100% diversity factor based on prior evaluations.

Table 17: Average Interactive Effects Factors for Lighting Products Category of Product % Indoor % Outdoor Interactive Effects Factor Exit Signs 100% 0% (100% × -15.5%) + (0% × 0%) = -15.5% All Other Lighting Products 99% 1% (99% × -15.5%)...

AI summary The text discusses the need to add a specific field in the tracking sheet to identify lighting products installed indoors or outdoors, as well as in refrigerated spaces, to better evaluate the net savings of the program. The evaluation of lighting products is based on interactive effects factors.

Table 18: Evaluation Results – Net Energy and Demand Savings by Product – SBES Category of Product Fluores cent T8 Fluorescent T5 CFL Exit Sign Other SBES Lighting LED (Retail Heat Pump Total Relamp Other 15 Sign Products Pilot) Pullip Ene...

AI summary Table 18 presents the evaluation results of net energy and demand savings by product under the Standard Building Efficiency Program (SBES). It includes data on energy and demand savings across various product categories, with adjustments for factors like Interactive Effects, NTGR, and Line Loss.

Table 20: Total Quantity Installed and Gross Energy Savings – From Tracking Sheet10 Product Category Quantity Installed Gross Energy Savings (Tracked) Quantity % kWh % CFL Products 16,904 59% 7,284,848 60% LED Lighting Products 9,522 33% 4...

AI summary The table presents the total quantity installed and gross energy savings for various energy-efficient products. It was decided to select businesses with at least CFL and LED products installed, and a random sampling approach was used after screening. Some products installed in small quantities were not included in the sample.

Hours of Operation To our best knowledge, no organization has measured and released reliable and trustworthy statistics on the hours of operation of LED lamps installed in commercial facilities. Therefore, Econoler decided to use the hours...

AI summary Econoler used the 2011 EP-DI evaluation report's hours of operation for LED lamps in commercial facilities and adjusted them using a self-declaration ratio of 0.98, resulting in 10.7 hours of operation per day.

Tracked Savings ENSC uses a unitary savings value of 684 kWh per year for the hot water tank wraps installed in the CDI participating facilities. This unitary savings value was established during the 2011 impact evaluation of the EP-DI pro...

AI summary ENSC uses a unitary savings value of 684 kWh per year for hot water tank wraps installed in CDI participating facilities, established during the 2011 impact evaluation of the EP-DI program based on the OPA's 2011 report. For the 2012 evaluation, Econoler reviewed the OPA's parameters against tracking sheet data and on-site visit information.

5.4 INTERACTIVE EFFECTS Interactive effects occur when the installation of energy-efficient products has an impact on the energy consumption of other elements such as heating and cooling systems. As far as CDI is concerned, the replacement...

AI summary Interactive effects refer to changes in energy consumption caused by energy-efficient product installations, such as lighting and hot water tank wraps. The text discusses how these changes impact heating and cooling loads, using specific factors derived from studies and simulations conducted in Quebec. The weighted interactive effects factor for lighting products is -15.5%, and for hot water tank wraps, the factors are -100% for heating and +100% for cooling.

Table 37: Evaluation Results – Net Energy and Demand Savings by Product – CDI (CFLs and LED Lamps) Category of Product 13-Watt CFL 23-Watt CFL Chandelier CFLs 8-Watt Dimm. CFL 14-Watt Dimm. CFL 16-Watt Dimm. CFL R30 CFL 2.3-Watt Chandelier...

AI summary Table 37 presents the evaluation results of net energy and demand savings by product for Commercial Demand Improvement (CDI), focusing on CFLs and LED lamps. It details gross and net energy and demand savings, including factors like Interactive Effects, NTGR, and Line Loss.

Table 39: Comparison of Tracked and Evaluated Savings at the Generator – CDI Initial Gross Savings Installed Gross Savings Installed Gross Savings with Interactive Effects NTGR Net Savings Energy Savings Tracked Savings from ENSC 14.242 GW...

AI summary Table 39 compares tracked and evaluated savings from the Commercial Demand Improvement (CDI) program. Evaluated savings are slightly higher than tracked savings, with Energy Nova Scotia (ENSC) using a conservative 83% installation rate for lighting products to ensure accuracy in their estimates.

6.2 GROSS SAVINGS A total of 239 facilities participated in this pilot initiative. Various LED products were installed. For each category of product, the Evaluator computed the quantity installed and reviewed the unitary savings value used...

AI summary A pilot initiative involving 239 facilities installed various LED products. ENSC calculated unitary savings values for these products, with some values adjusted to be more conservative compared to those used in the CDI program. Econoler reviewed these values as presented in the following sections.

7 OVERALL BES RESULTS This section summarizes the overall results of the impact evaluation for BES. When combining the net savings generated from both SBES and CDI, the total energy and demand savings amount to 30.152 GWh and 5.244 MW resp...

AI summary The overall results of the Building Energy Survey (BES) impact evaluation show total energy and demand savings of 30.152 GWh and 5.244 MW, respectively, combining savings from SBES and CDI.

Table 45: Overall Comparisons of Tracked and Evaluated Savings at the Generator for BES Initial Gross Savings Installed Gross Savings Installed Gross Savings with Interactive Effects NTGR Net Savings Energy Savings Tracked Savings from ENS...

AI summary Table 45 compares tracked and evaluated savings from Energy Savings and Demand Savings for BES. It shows differences in initial gross savings, installed gross savings, and net savings between tracked savings from ENSC and evaluation results, with NTGR values indicating the ratio of net to gross savings.

Tracking Sheet CDI - 10. Make sure that all the fields are systematically filled out: The Evaluator noted that some fields were left blank: - Business type: This field could be useful for evaluating some unitary savings values, which vary...

AI summary The tracking sheet for Commercial Demand Improvement (CDI) has several fields that are frequently left blank, which could affect the accuracy of evaluations. Fields such as business type, contact information, rate code, and water heating type are not consistently filled out. Recommendations include expanding the list of business types, making certain fields mandatory, and standardizing data entry to improve data quality and facilitate impact evaluations.

APPENDIX VI – CALCULATION EXAMPLE This Appendix presents a sample worksheet showing step-by-step calculations that have produced the results for one of the lighting measures reviewed in the impact evaluation of SBES. First, the equations u...

AI summary This appendix provides a calculation example for a lighting measure under the T8 fluorescents category, which contributed significantly to SBES' total gross savings in 2012. It outlines the equations used for savings calculations, tracked savings by ENSC, and revised results based on tracking sheets and on-site metering.

Œ ECC ONO L≣R Table 45: Unitary Savings values – Standby Power Products 55 Table 46: Energy Savings from the Introduction of the Standby Power Products Standard in the Nova Scotian Market 55 Table 47: Minimum Efficacy Levels – External Pow...

AI summary The document includes tables and figures related to energy savings from the introduction of standards for standby power products and external power supplies in Nova Scotia. It outlines unitary savings values, market sizes, and evaluation results for energy and demand savings associated with various codes and standards.

2.2 METHODOLOGICAL MODEL The figure below illustrates the research strategy used and features the different activities conducted throughout the evaluation. Secondary Data Search Contact with NRCan Analysis Report Interviews Manufacturers n...

AI summary The methodological model presented in the document outlines the research strategy used, including activities such as secondary data search, contact with NRCan, analysis report, interviews with manufacturers and distributors, and is illustrated in Figure 1.

2.3.1 Contact with Natural Resources Canada NRCan was contacted in October and asked to provide documentation, including market analyses, produced for NRCan for all C&S evaluated, excluding C&S for digital television adapters. For referenc...

AI summary Natural Resources Canada (NRCan) was contacted in October to provide documentation, including market analyses, for all C&S evaluated, excluding digital television adapters. The protocol used by Econoler and Extract Marketing Research during the interview with NRCan is detailed in Appendix I.

Table 4: Methodology Used to Estimate Market Sizes Method to Estimate Total Shipments to Canada Method to Estimate Shipments to Nova Scotia Market Analysis Reports Shared by NRCan Extrapolated to 2012 based on past market trends Using the...

AI summary Table 4 outlines the methodology used to estimate market sizes for shipments to Canada and Nova Scotia. It references data from NRCan and Statistics Canada, and mentions interviews conducted by the Evaluator to validate findings and gather additional information specific to Nova Scotia.

Finally, the Evaluator estimated the "at meter" demand savings by using the data collected on peak demand savings, the market size of electric motors in Nova Scotia, the non-compliance rate and a diversity factor. As for energy savings, a...

AI summary The Evaluator estimated 'at meter' demand savings using peak demand data, market size, non-compliance rates, and a diversity factor of 93 percent derived from Business Energy Rebates (BER) on-site visits. The estimated total demand savings from the introduction of electric motors standards in Nova Scotia is 0.272 MW.

3.4.4 Estimation of the Market Size Caneta Research produced a report in 2010 for NRCan regarding the market and economics of the commercial refrigeration equipment market in Canada. 64 While this report does not provide the market size of...

AI summary Caneta Research estimated the commercial refrigeration equipment market size in Canada in 2009 using data from the U.S. DOE and HRAI, resulting in an estimate of 19,300 shipments. For self-contained commercial ice cream-type freezers, the report provides specific figures for 2012, with 72 opaque and 1,494 transparent units shipped to Canada.

Moreover, categories used by Statistics Canada to classify air conditioners and heat pumps being completely different from those used by NRCan for the purpose of the regulation, that source could not be used to correct the limits of Caneta...

AI summary The text discusses challenges in using Statistics Canada's classification system for air conditioners and heat pumps due to differences with NRCan's system, and mentions difficulties in obtaining precise shipment data for large heat pumps, suggesting contacting HRAI for more accurate information.

3.6.4 Estimation of the Market Size With regard to the market size of SPVAC and SPVHP, NRCan mentions that the majority of the appliances that are sold "are less than 65,000 Btu/h in cooling capacity." Moreover, NRCan writes that "in Canad...

AI summary The market size for SPVAC and SPVHP in Canada and Nova Scotia is estimated using shipment data from 2006, with an assumed growth rate of 27.6% between 2006 and 2012. The data is sourced from Caneta Research and NRCan, with the majority of shipments being air conditioners.

3.8.4 Estimation of the Market Size In 2012, Ecos produced a market analysis for external power supplies. In this report, based on data from 2008, it is forecasted that 75.5 million external power supplies would be shipped to Canada in 201...

AI summary Ecos estimated the market size for external power supplies in Canada in 2012, forecasting 75.5 million units. Nova Scotia's market share was assumed to be proportional to its demographic weight due to a lack of province-specific data.

3.9 TOTAL SAVINGS AT GENERATOR Energy savings at meter, for the program were calculated taking into account all product categories for which the necessary information on market size, non-compliance rates and unitary savings values were ava...

AI summary The document discusses the calculation of energy savings at the generator level for the Codes and Standards program, using line loss factors provided by Nova Scotia Power. The estimated savings for 2012 are 15.147 GWh and 4.318 MW at the meter, and 16.353 GWh and 4.663 MW at the generator.

PROBE: The Office of Energy Efficiency has estimated that […] would be impacted for the whole Canadian market. Do those proportions seem appropriate to you? Provide an explanation. Products Proportion Impacted by the New Standard Integrate...

AI summary The Office of Energy Efficiency has estimated that various audio and video products would be impacted by new energy efficiency standards. The table shows the proportion of each product category affected, and the probe asks if these proportions seem appropriate.