E-22017 DSM Evaluation Reports
80 passages
Executive Summary 1 EVALUATION OBJECTIVES AND SCOPE The objectives of the 2017 evaluation of ENS DSM program components were to: › Assess the effectiveness of program component design and delivery › Determine the extent to which program co...
AI summary The 2017 evaluation of ENS DSM program components aimed to assess design effectiveness, implementation progress, energy savings, NTGR, and GHG emissions. The Evaluator introduced two new evaluation items: lifetime energy savings and avoided GHG emissions linked to electricity savings. Table 1 outlines programs evaluated in 2016 and 2017, with 'C' and 'R' indicating evaluation scope.
oducts will no longer constitute an adequate baseline in the EUL of LED products and calculated an equivalent EUL that accurately yields lifetime energy savings when multiplying by first-year savings. 2.10 Avoided GHG Emissions Quantificat...
AI summary The document discusses the evaluation of 2017 DSM programs by Efficiency Nova Scotia, including the calculation of energy savings, peak demand reductions, and avoided GHG emissions using Nova Scotia-specific factors derived from Nova Scotia Power's 2016 data.
tracked energy and peak demand savings with those evaluated. The evaluated net- to-gross ratios, lifetime energy savings and greenhouse gas emission reductions are also presented in subsections below. 3.1 Individual Impact Evaluation Resul...
AI summary The document evaluates the energy and peak demand savings of the 2017 DSM programs, comparing evaluated net-to-gross ratios, lifetime energy savings, and greenhouse gas emission reductions. It outlines the methodology used to calculate adjusted gross savings and net savings, incorporating factors such as installation rates, in-service rates, and EUL values for efficient measures.
er than those tracked by ENS due to the adjustment made for participants who installed an MSHP or ASHP in non-electrically heated households, for which ENS had tracked 0.0 MW in peak demand savings. Project No. 6138 18 Evaluation of 2017 D...
AI summary In 2017, the Efficient Product Installation program saw 13,672 households participate, with 377,875 efficient products installed. The program achieved 17.877 GWh in net energy savings and 2.129 MW in net peak demand savings. Evaluated savings were slightly lower than tracked savings, primarily due to a decrease in the installation rate of smart power controllers.
n increased the 2017 NTGR value. 4 Efficient Product Installation was introduced in 2017 pursuant to a merger of the Residential Direct Install and Rental Properties & Condos program components. Project No. 6138 19 Evaluation of 2017 DSM P...
AI summary The 2017 NTGR value was increased, and the Efficient Product Installation program was introduced through a merger. The Passive House pilot had lower energy and peak demand savings due to a high free-ridership rate. Business Energy Rebates achieved significant energy savings, but evaluated net energy savings were adjusted downward due to lower performance in both Mail-in and Instant Rebates.
peak demand savings explain most of this variation; those adjustments increased the evaluated savings by 1.012 MW for both the gross and net peak demand savings. Energy Management Information Systems Four participants reported savings in 2...
AI summary The evaluation of 2017 DSM programs highlights energy savings from Energy Management Information Systems and Direct Installation initiatives, particularly noting the impact of adjustments on evaluated savings and the contribution of peak demand savings. The Small Business Energy Solutions program achieved significant net energy and peak demand savings.
vincial regulations such as the Natural Resources Canada (NRCan) Amendment 13 regarding the introduction of minimum energy performance standards (MEPS) for some products and increased MEPS for others. The overall energy and peak demand sav...
AI summary The text discusses energy efficiency measures, including the implementation of minimum energy performance standards (MEPS) and the distinction between savings from Codes and Standards versus program savings. It also introduces the Net-to-gross Ratio (NTGR) used to estimate net savings impacts based on free-ridership and internal spillover.
ponents and the limited knowledge of participants on recommissioning, or energy management information systems prior to participation explain why the level of free-ridership was considered to be nil. The impact evaluation included an asses...
AI summary The document discusses the evaluation of free-ridership and internal spillover levels for energy efficiency programs, using surveys and interviews with participants. These factors were used to calculate the net-to-gross ratio (NTGR) for each program component, with the exception of Instant Savings and New Home Construction, which involved market effects.
New Home Construction, the spillover levels correspond to internal spillover. For Instant Savings and New Home Construction, this value corresponds to market effects (including external spillover). Project No. 6138 23 Evaluation of 2017 DS...
AI summary The text discusses free-ridership, spillover levels, and net-to-gross ratios (NTGRs) for the 2017 DSM programs, highlighting market effects and internal spillover in the context of new home construction and Instant Savings programs.
NTGR Levels Levels
AI summary The text references the term 'NTGR' but provides no additional context or discussion about its meaning or relevance within the proceeding.
- 1 Energy Management N/A - - 1 Information Systems Small Business Energy Audit Path 7% 0.93 - Solutions DIY Path 13% 0.87 a For Appliance Retirement, the Evaluator complied with Uniform Methods Project guidelines and no free-ridership lev...
AI summary The text discusses energy management information systems and small business energy solutions, noting that free-ridership levels for LED products remained high in 2017. It mentions that net-to-gross ratios were determined based on past evaluations and that appliance retirement followed Uniform Methods Project guidelines.
Efficiency Nova Scotia Executive Summary – Appendix Report APPENDIX III NTGR CALCULATIONS This appendix presents some examples of how the Evaluator calculated free-ridership, internal spillover and net-to-gross ratio values in the 2017 eva...
AI summary This appendix provides examples of how the Evaluator calculated free-ridership, internal spillover, and net-to-gross ratio values in the 2017 evaluation of Efficiency Nova Scotia's Green Heat and Small Business Energy Solutions programs. It references an Excel file and evaluation reports for further details.
Efficiency Nova Scotia 2017 DSM Evaluation Report To calculate ARet’s net energy savings, the Evaluator once again used the savings calculation methodology developed for the 2013 evaluation in compliance with the Uniform Methods Project (U...
AI summary The 2017 DSM Evaluation Report details the calculation of ARet’s net energy savings using revised unitary savings values based on the 2017 metering study, appliance characteristics, and survey data. It also outlines the equivalent net-to-gross ratio (NTGR) calculation, incorporating free-ridership and secondary market impacts.
tified cost as the main barrier, while three retailers believe that insufficient knowledge now trumps price as the key barrier to LED adoption. This is a first in the history of the program component. Similarly to 2016, the intercept parti...
AI summary The document discusses barriers to LED adoption, marketing methods for the Instant Savings program, and the evaluation of energy savings. It notes a shift in barriers from cost to knowledge and highlights the use of NTGR to measure net energy savings, including free-ridership and spillover effects.
d sales data that revealed a lower number of LED lamp sales outside the campaigns. In 2017, the NTGR for LED lamps was established at 0.84. As for all other products, the NTGR was established at 1. Residential Efficient Product Rebates Pro...
AI summary The 2017 DSM Evaluation Report discusses the Instant Savings Program's energy savings and the NTGR for LED lamps and other products. The NTGR for LED lamps was set at 0.84, while it was 1.00 for all other products. The program generated 19.543 GWh in net energy savings and 2.588 MW in net peak demand savings.
. Based on the nature of the HomeWarming program component (direct replacement) and its participant demographics, an NTGR of 1.00 has been assumed. Refrigerator Replacement Tracked Savings For the replacement of refrigerators through HomeW...
AI summary The HomeWarming program assumes an NTGR of 1.00 due to its direct replacement nature and participant demographics. Refrigerator replacements through the program use a unitary savings value of 938 kWh per year, based on data from appliance retirements in 2015 and new ENERGY STAR certified refrigerators installed in 2016.
hip Market Impact Consump. Appliances (kWh) (kWh) (kWh) (kWh) (kWh) Refrigerators 3,847 751 278 53 10 410 0.55 Freezers 1,659 863 345 44 9 465 0.55 Air Conditioners 124 215 129 20 0 66 0.32 1% Small 78 209 92 14 0 103 0.50 Refrigerators Sm...
AI summary The text discusses energy savings from appliance replacements through the HomeWarming program and a pilot, using an NTGR of 1. Net energy savings were calculated as 3.094 GWh and 0.443 MW, leading to 2,021 tonnes of avoided CO2 eq annually. Lifetime energy savings were estimated at 23.050 GWh using an EUL of 7.4 years.
.071 1.100 1.100 1.100 - Total Net Peak Demand Savings – at the Generator (MW) 0.001 0.000 0.000 0.006 0.043 0.030 0.443 Appliance Retirement 57 Residential Efficient Product Rebates Program Efficiency Nova Scotia 2017 DSM Evaluation Repor...
AI summary This section presents a comparison of tracked and evaluated savings from the Residential Efficient Product Rebates Program under Efficiency Nova Scotia's 2017 DSM Evaluation Report. It highlights energy and peak demand savings, along with the Net to Gross Ratio (NTGR) for different appliance types.
as made it mandatory for the participating retailers to provide annual sales data as of 2018, the number of LED lamps sold outside the campaigns will be established with more accuracy and reliability. In addition to the reduced percentage...
AI summary The 2017 DSM Evaluation Report discusses the Net-to-Gross Ratio (NTGR) for LED lamps and other products, noting that the NTGR for LED lamps is 0.83, while non-LED products have an NTGR of 1.00. The report highlights challenges in assessing free-ridership and spillover levels for non-LED products due to their specialized nature and smaller buyer populations.
rogram component influence on their sales. Moreover, the buyer populations of these products are smaller, which renders it more difficult to reach them using an intercept or general population survey. 7.3 Net Savings Net savings are define...
AI summary The text discusses the calculation of net savings for the Instant Savings program in 2017, including energy and peak demand savings, and the associated GHG emissions avoided. It uses the Nova Scotia-specific GHG factor derived from 2016 data from Nova Scotia Power and Emera Inc.
Energy Savings Revised Gross Energy Savings – at 10.640 2.042 3.229 0.505 1.454 0.441 0.150 0.013 0.001 0.192 0.032 the Meter (GWh) NTGR 0.84 0.84 0.84 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Net Energy Savings – at the 8.937 1.715 2.712 0...
AI summary The document presents data on energy savings and peak demand savings at various points in the energy system, including the meter and generator, with metrics like net energy savings, revised gross energy savings, and net lifetime energy savings measured in gigawatt-hours (GWh). It also includes factors such as the Net-to-Gross Ratio (NTGR) and Line Loss Factor.
0 Innovators Early Early Late Laggards Adopters Majority Majority Time Instant Savings 123 Residential Efficient Product Rebates Program Efficiency Nova Scotia 2017 DSM Evaluation Report 9 OVERALL SAVINGS OF THE RESIDENTIAL EFFICIENT PRODU...
AI summary The Residential Efficient Product Rebates Program achieved significant energy and peak demand savings, with gross and net savings reported across various program components. The report highlights participation levels and savings metrics, including energy savings, lifetime energy savings, and peak demand savings.
Gross and net savings calculated by the Evaluator using the parameters (unitary savings values, installation rates, interactive effects, net-to-gross Evaluated savings ratio, etc.) validated or measured during the evaluation process. Unles...
AI summary The text defines various energy efficiency program evaluation terms, including gross and net savings, first-year savings, free-ridership, induced consumption, and interactive effects. It outlines the evaluation process and the parameters used to calculate energy savings.
y measure introduced by a program after participating in it once, without participating in the program a second time. The proportion of incentivized products that are installed and operating. This rate is usually applied to programs throug...
AI summary The text defines several key metrics used in energy efficiency programs, including in-service rate, lifetime energy savings, line loss factor, margin of error, market effects, net energy savings, and net-to-gross ratio. These metrics help assess program effectiveness, energy savings, and market impacts.
er, that negatively or positively affect the energy savings attributable to a program. Net-to-gross ratio The ratio of net energy savings to gross energy savings. Existing Residential Program v Existing Residential Program Efficiency Nova...
AI summary The document discusses the evaluation of an existing residential energy efficiency program, specifically the 2017 DSM Evaluation Report by Efficiency Nova Scotia, and introduces the concept of the net-to-gross ratio, which measures the ratio of net energy savings to gross energy savings.
LIST OF TABLES Table 1: Overall Participation and Savings for Existing Residential ..................................................... xiii Table 2: HEA Net-to-gross Ratio ....................................................................
AI summary The text presents a list of tables from a regulatory proceeding, focusing on energy efficiency programs, savings tracking, and evaluation metrics. It includes tables related to participation, net-to-gross ratios, energy savings comparisons, program implementation status, and evaluation types.
Efficiency Nova Scotia 2017 DSM Evaluation Report HEA Energy Savings The objective of the 2017 HEA impact evaluation was to determine the net energy and peak demand savings. To calculate gross savings, the Evaluator reviewed the contents o...
AI summary The 2017 HEA impact evaluation determined the net energy and peak demand savings by calculating gross savings using HOT2000 simulations and adjusting for free-ridership and internal spillover. A net-to-gross ratio (NTGR) of 0.76 was established based on a 25% free-ridership level and 1% internal spillover.
are significantly lower than those tracked by ENS. This is partially because participants often have other heating systems (electrical or non-electrical) that also contribute to the home heating load. The net-to-gross ratio (NTGR) values l...
AI summary The net-to-gross ratio (NTGR) values for the Green Heat program are influenced by free-ridership levels, with new path participants showing higher free-ridership due to simplified application processes. The NTGR for heat pump water heaters is set at 1.00 due to their recent introduction and cost.
the NTGR was separately established for non- low-income owners and tenants, because the Evaluator expected different results for each group. For low-income participants, the NTGR was assumed to be 1. Existing Residential Program xxvii Exis...
AI summary The document discusses the calculation of the Net to Gross Ratio (NTGR) for residential energy efficiency programs. It outlines different NTGR values for low-income and non-low-income participants, with the overall weighted average NTGR calculated at 0.92. Free-ridership and internal spillover levels are also analyzed for LED lamps and other products.
ercent for tenants, resulting in an overall level of 6 percent. Overall, the weighted average NTGR for low-income and non- low-income participants combined was established at 0.92 as shown in Table 6. Table 6: EPI’s Net-to-gross Ratios LED...
AI summary The document discusses EPI's net-to-gross ratios (NTGR) for low-income and non-low-income participants, highlighting differences in energy savings. The weighted average NTGR for combined participants was 0.92, with specific values for LED lamps and other products. EPI's net energy savings and peak demand savings in 2017 are also presented.
NTGR Net Savings Savings Savings Energy Savings Tracked Savings from ENS 21.257 GWh 20.460 GWh 0.88 18.082 GWh Evaluation Results 21.308 GWh 19.439 GWh 0.92 17.877 GWh Peak Demand Savings Tracked Savings from ENS 3.487 MW 3.461 MW 0.87 3.0...
AI summary The document compares tracked and evaluated net savings from energy efficiency programs, noting that evaluated net energy savings are slightly lower than tracked savings. The decrease in installation rates, particularly for smart power controllers, and changes in peak demand-to-energy ratios for lighting products are key factors affecting the results.
Solar DWHR HPWH Total Heating DHW Number of Participants/Units 931 0 3 5 931 Evaluated Energy Savings Unitary Savings Value (kWh/unit) - 805 2,803 2,183 - Tracked Gross Energy Savings – at the Meter (GWh) 7.495 - - - 7.495 Revised Gross En...
AI summary The document presents a table showing energy savings data from a program, including participants, unitary savings value, and gross energy savings. It also discusses the net-to-gross ratio (NTGR), which is used to determine net savings by accounting for free-ridership and internal spillover effects in home energy assessments (HEA).
n 2012 and 31% in 2011). Table 15: Average Free-ridership Level Average Free-ridership Level Sample Size Population Size Margin of Error 25% 61 931 5.2% 4.2.2 Internal Spillover The participant survey was also used to assess internal spill...
AI summary The text discusses free-ridership and internal spillover levels in an energy efficiency program. The average free-ridership level was 25% with a 5.2% margin of error, while internal spillover was 1% with a 4.1% margin of error. The NTGR was calculated as 0.76 using these factors.
NTGR = (1 – % free-ridership + % internal spillover) By applying the free-ridership and spillover factors established for HEA, the NTGR value has been estimated at 0.76. Home Energy Assessment 29 Existing Residential Program Efficiency Nov...
AI summary The document discusses the Net to Gross Ratio (NTGR) calculation, incorporating free-ridership and spillover factors from the Home Energy Assessment (HEA). It also addresses unconverted D assessment spillover savings, which are added to gross savings but not included in the NTGR calculation.
1.903 91.027 Peak Demand Savings Tracked Peak Demand Savings (MW) 2.380 0.916 0.019 0.225 0.000 0.047 3.883 Adjustment Ratio for Peak Demand Savings 0.982 0.978 40.890 N/A N/A 1.117 - Revised Unitary Peak Demand Savings (kW) N/A N/A N/A 3....
AI summary The document discusses the Net-to-Gross Ratio (NTGR) in the context of the Green Heat program, explaining that it accounts for free-ridership effects to determine reliable energy savings attributed to the program component.
ge free-ridership levels for the three different categories of participants: mainly electrically heated; fully electrically heated; and non-electrically heated. Calculations are presented in Table 50. Table 50: Average Free-ridership Level...
AI summary The text discusses free-ridership levels for different categories of participants in the MSHP program and calculates the NTGR for various measures. The NTGR values vary by household type and measure type, with HPWHs having an NTGR of 1.00.
Efficiency Nova Scotia 2017 DSM Evaluation Report 8.3 Net Savings Net savings are defined as the energy use reductions specifically attributable to Green Heat. Net savings were estimated by applying the NTGR listed above to the evaluated g...
AI summary The 2017 DSM Evaluation Report by Efficiency Nova Scotia calculates net savings from the Green Heat program. Net savings are determined using the Net-to-Gross Ratio (NTGR) applied to gross evaluation savings. Total net energy savings were 2.980 GWh, resulting in 1,946 tonnes of avoided CO2 eq annually. The average Estimated Useful Life (EUL) of 18.10 years leads to 53.925 GWh of net lifetime energy savings.
y Ratio 0.162 0.162 0.000 - Total Gross Peak Demand Savings – at the Meter (MW) 0.003 0.006 0.000 0.202 Line Loss Factor 1.099 1.099 1.099 - Total Gross Peak Demand Savings – at the Generator (MW) 0.003 0.007 0.000 0.222 Efficient Product...
AI summary This section discusses the Net-to-Gross Ratio (NTGR) in the context of the Efficient Product Installation (EPI) program. It explains how NTGR accounts for free-ridership and internal spillover effects, with free-ridership being assessed through a self-report approach in a telephone survey of non-low-income participants.
As with the free-ridership levels, spillover levels were separately established for owners and tenants, because the Evaluator expected the tenants’ spillover level to be lower than that of the owners. Based on the 2017 survey results, an i...
AI summary The text discusses the establishment of internal spillover factors for non-low-income owners and tenants in the context of the Efficient Product Installation (EPI) program. The spillover factors are set at 6% for owners and 1% for tenants, based on 2017 survey results and are higher than previous years' factors. The document also mentions the NTGR calculation, which is discussed in the following section.
2017 DSM Evaluation Report 13.2.3 NTGR Calculation The NTGR has been calculated using the following equation: NTGR = (1 – % free-ridership + % internal spillover) Using the free-ridership and internal spillover levels established for non-l...
AI summary The 2017 DSM Evaluation Report calculates the Net-to-Gross Ratio (NTGR) for LED lamps and other products, considering free-ridership and internal spillover. The NTGR for non-low-income participants is 0.87 for tenants and 0.80 for owners, while it is assumed to be 1.00 for low-income participants. The overall NTGR for LED lamps is 0.87, and for other products, it is 1.01 for tenants and 1.06 for owners, resulting in a weighted average NTGR of 0.92.
shed at 1.01 for tenants and at 1.06 for owners. Based on the total gross evaluated savings of each product type (LED lamps and other products), the weighted average NTGR has been established at 0.92. Table 81: Overall NTGR Calculation LED...
AI summary The document discusses the calculation of net savings using the Net-to-Gross Ratio (NTGR), which is applied to gross savings to determine energy-use reductions specifically attributable to the Efficient Product Installation (EPI) program. The weighted average NTGR is established at 0.92 based on the total gross evaluated savings of LED lamps and other products.
Category of Product 9W 9W 9.5W 9.5W 9.5W 9W Replacing Replacing Replacing Replacing Replacing Replacing 60W 40W 100W 40W 60W 100W Energy Savings Total Gross Energy Savings – at the Meter (GWh) 0.153 9.436 0.281 0.039 1.020 0.062 NTGR 0.87...
AI summary The text presents data on energy savings and peak demand savings for various categories of products, including metrics like gross and net energy savings, net-to-gross ratio (NTGR), line loss factor, effective useful life, and net lifetime energy savings. It also includes peak demand savings at the meter and generator levels.
the whole program. Table 84: Overall Savings for Existing Residential Participation Level Gross Savings NTGR Net Savings HEA Energy Savings 8.306 GWh 0.76 7.007 GWh Lifetime Energy Savings 931 participants 166.116 GWh 0.76 140.139 GWh Peak...
AI summary The document presents a table summarizing the energy and peak demand savings from various residential efficiency programs, including HEA, Green Heat, and EPI, along with their net-to-gross ratios (NTGR) and net savings. The data highlights the overall savings from the Existing Residential Program in Nova Scotia.
program after participating in it once, without participating in the program a second time. The proportion of incentivized products that are installed and operating. This rate is usually applied to programs through which rebates are offere...
AI summary The text defines several key metrics related to energy efficiency programs, including in-service rate, lifetime energy savings, line loss factor, margin of error, market effects, net energy savings, and net-to-gross ratio. These metrics are used to evaluate the effectiveness and impact of energy efficiency initiatives.
over, that negatively or positively affect the energy savings attributable to a program. Net-to-gross ratio The ratio of net energy savings to gross energy savings. New Residential Program iv New Residential Program Efficiency Nova Scotia...
AI summary The document introduces a 2017 DSM Evaluation Report by Efficiency Nova Scotia, focusing on the New Residential Program and the net-to-gross ratio, which measures the ratio of net energy savings to gross energy savings.
o-code energy consumption value, the difference between the baseline average EnerGuide rating and the as-built EnerGuide rating, and an average savings value per EnerGuide point increase were applied. To calculate the Passive House pilot’s...
AI summary The document details the methodology used to calculate energy savings for the Passive House pilot and NHC programs. It outlines the use of baseline and as-built energy consumption values, the application of an overestimation ratio, and the calculation of net savings using the net-to-gross ratio (NTGR), which accounts for free-ridership and market effects.
rket effects levels established, the NTGRs for NHC and the Passive House pilot were established at 1.06 and 0.39 respectively, as shown in Table 2 below, and were used to determine the net savings. New Residential Program xi New Residentia...
AI summary The document presents net-to-gross ratios (NTGR) for the New Home Construction (NHC) and the Passive House pilot, which are 1.06 and 0.39 respectively. These ratios are used to calculate net energy and peak demand savings, with values of 3.351 GWh and 0.948 MW for NHC, and 0.020 GWh and 0.006 MW for the Passive House pilot.
s Factor 1.100 Total Gross Peak Demand Savings – at the Generator (MW) 0.014 4.2 Net-to-gross Ratio The net-to-gross ratio (NTGR) serves to determine net savings, i.e. the energy savings that can be reliably attributed to a program compone...
AI summary The document discusses the net-to-gross ratio (NTGR) and its role in determining net energy savings from program components, particularly focusing on free-ridership. It explains that free-ridership occurs when participants would have implemented energy efficiency measures without the program and outlines the methodology used to assess this, including telephone surveys and algorithms detailed in Appendix VIII.
ulation The NHC NTGR is calculated using the following equation: NTGR 1 – % free‐ridership % spillover market effects The NTGR value for NHC is estimated at 106 percent. The Passive House pilot’s NTGR was calculated using the same equation...
AI summary The document explains the calculation of the Net to Gross Ratio (NTGR) for the New Home Construction (NHC) and the Passive House pilot programs. The NTGR for NHC is 106%, while for the Passive House pilot, it is 39% due to the absence of spillover effects. Net savings are calculated by multiplying revised gross savings by the NTGR value.
Gross and net savings calculated by the Evaluator using the parameters (unitary savings values, installation rates, interactive effects, net-to-gross Evaluated savings ratio, etc.) validated or measured during the evaluation process. Unles...
AI summary The text outlines key terms and concepts related to energy efficiency program evaluation, including gross and net savings, free-ridership, induced consumption, and interactive effects. It emphasizes the importance of evaluation plans and the first-year savings metric in assessing program effectiveness.
d by a program after participating in it once, without participating in the program a second time. The proportion of incentivized products that are installed and operating. This rate is usually applied to programs through which rebates are...
AI summary This text defines several key terms related to energy efficiency programs and their measurement, including in-service rate, lifetime energy savings, line loss factor, margin of error, market effects, net energy savings, and net-to-gross ratio. These terms are used to evaluate the effectiveness and impact of energy efficiency initiatives.
over, that negatively or positively affect the energy savings attributable to a program. Net-to-gross ratio The ratio of net energy savings to gross energy savings. Efficient Product Rebates Program v Efficient Product Rebates Program Effi...
AI summary The document discusses the Efficient Product Rebates Program under Efficiency Nova Scotia, with a focus on the 2017 DSM Evaluation Report. It includes a definition of the Net-to-gross ratio, which measures the ratio of net energy savings to gross energy savings.
Table 1: Overall Participation and Savings for BER Participation Level Gross Savings NTGR Net Savings Mail-in Rebates Energy Savings 18.346 GWh 0.86 15.778 GWh Lifetime Energy Savings 288 projects 280.930 GWh 0.86 241.600 GWh Peak Demand S...
AI summary The Business Energy Rebates (BER) program in Nova Scotia provides financial incentives to reduce electricity consumption and demand through mail-in and instant rebates. The table outlines participation levels and savings, including energy and peak demand savings, with net-to-gross ratios (NTGR) applied to calculate net savings.
he rebate. BER Mail-in succeeded in maintaining high satisfaction scores with all these service aspects for a second year in a row, indicating sustained improvement in Mail-in satisfaction since 2015. The results of the site visits and pro...
AI summary The BER Mail-in program maintained high satisfaction scores, with only minor adjustments needed for tracked energy savings. The NTGR was set at 0.86 based on free-ridership and spillover effects. For BER Instant Rebates, there was a 7% increase in rebated products sold in 2017, and overall satisfaction remained consistent with previous years.
her), while one distributor rated a 6. Distributors appreciated the advance notification of rebate changes provided by ENS in 2017, as well as the accessibility and openness of discussions with staff. Distributors believed that BER Instant...
AI summary Distributors appreciated ENS's advance notification of rebate changes and open discussions. BER Instant Rebates had less influence on consumer behavior in 2017 due to increased LED familiarity, but influenced in-store product offerings. The Evaluator used a new approach to measure free-ridership, finding levels between 32-38% for LED products and an overall NTGR of 0.73.
gories. Free-ridership levels for LED products vary between 32 and 38 percent. A NTGR of 1.00 was applied to the other product categories, resulting in an overall NTGR of 0.73 for BER Instant Rebates. Table 3: Net-to-Gross Ratio for BER In...
AI summary The document discusses the application of net-to-gross ratios (NTGR) to calculate net savings for the Efficient Product Rebates Program, specifically for LED products and other categories. Free-ridership levels and NTGR values are provided, with an overall NTGR of 0.73 for BER Instant Rebates. The evaluation process for 2017 savings is outlined.
s Table 4 below compares the 2017 tracked and evaluated savings for BER Mail-in and Instant Rebates combined. Table 4: Overall Comparison of Tracked and Evaluated Savings at the Generator for BER Initial Adjusted Net NTGR Gross Savings Gro...
AI summary Table 4 compares tracked and evaluated savings for BER Mail-in and Instant Rebates. Evaluated net energy savings are 8% lower than tracked values due to adjustments of 3% and 11% for Mail-in and Instant Rebates respectively. The net-to-gross ratio (NTGR) is also presented for both rebate programs.
oth services. Overall, the evaluated net energy savings are 8 percent lower than the tracked values as a result of both Mail-in and Instant Rebates being adjusted downward (3% and 11% respectively). For Mail-in, due to efforts made by ENS...
AI summary The 2017 DSM Evaluation Report highlights that net energy savings from Mail-in and Instant Rebates are 8% lower than tracked values, due to adjustments made by ENS based on the 2016 evaluation. Net peak demand savings are 34% lower, with significant reductions in both Mail-in and Instant Rebates due to factors like free-ridership and changes in the net-to-gross ratio.
Efficiency Nova Scotia 2017 DSM Evaluation Report Statistically significant individual results were obtained for the two most important measure categories (lighting and HVAC) and are presented here for reference. The free-ridership level f...
AI summary The 2017 DSM Evaluation Report by Efficiency Nova Scotia found statistically significant results for lighting and HVAC measures. Free-ridership levels were 8% for lighting and 19% for HVAC, with an increase in HVAC free-ridership compared to 2016. Internal spillover was found to be nil in 2017, and the report discusses the NTGR calculation method.
irectly question participants about any potential spillover effects and found that the spillover level for 2017 was nil. NTGR Calculation The NTGR is calculated using the following equation: NTGR = (1 – % free-ridership + %spillover) Based...
AI summary The document calculates the Net-to-Gross Ratio (NTGR) using free-ridership and spillover levels for BER Mail-in, resulting in an NTGR of 0.86. Net savings from BER Mail-in are estimated at 15.778 GWh in energy and 2.462 MW in peak demand, leading to 10,305 tonnes of avoided CO2 emissions over a 15.3-year weighted average useful life.
Efficiency Nova Scotia 2017 DSM Evaluation Report 5.2 Net-to-gross Ratio The net-to-gross ratio (NTGR) serves to determine net savings, i.e. the savings that can be reliably attributed to a service. More precisely, the NTGR is established...
AI summary The 2017 DSM Evaluation Report discusses the Net-to-gross Ratio (NTGR) and its use in determining net savings for BER Instant Rebates. The report highlights a new approach to measuring free-ridership through surveys and interviews with participants and distributors, focusing on four LED products.
% free-ridership) Using the free-ridership levels established for BER Instant Rebates, the NTGR was established for each product category covered by this analysis, as presented in Table 30 below. Business Energy Rebates 57 Efficient Produc...
AI summary The document discusses the calculation of Net-to-Gross Ratios (NTGRs) for BER Instant Rebates, using free-ridership levels established for these rebates. Different NTGRs were applied to various product categories, with an overall NTGR of 0.73 for energy savings and 0.78 for peak demand savings. Net savings were calculated by applying the NTGR to revised gross savings.
ENS Tracked Savings 10.328 MW 10.328 MW 0.78 8.056 MW Evaluation Results 10.328 MW 6.432 MW 0.75 4.823 MW Evaluated gross energy savings were 7 percent below tracked savings due to downward adjustments made to unitary savings in some of th...
AI summary The 2017 DSM Evaluation Report for Efficiency Nova Scotia (ENS) indicates that evaluated energy savings were 7% lower than tracked savings due to downward adjustments in unitary savings for BER Instant Rebates, particularly in LED products. Net energy savings were 11% below tracked savings, attributed to a decrease in the Net-to-Gross Ratio (NTGR) and higher free-ridership. Net peak demand savings were 40% below tracked savings, influenced by a drop in the Power Conversion Factor (PCF).
Gross and net savings calculated by the Evaluator using the parameters (unitary savings values, installation rates, interactive effects, net-to-gross Evaluated savings ratio, etc.) validated or measured during the evaluation process. Unles...
AI summary The text outlines key terms and concepts related to energy efficiency program evaluations, including gross and net savings, free-ridership, induced consumption, and interactive effects. It describes the evaluation process and the components of an evaluation plan, emphasizing first-year savings and the net-to-gross ratio.
efficiency measure introduced by a program after participating in it once, without participating in the program a second time. The proportion of incentivized products that are installed and operating. This rate is usually applied to progra...
AI summary The text defines several key terms related to energy efficiency programs, including in-service rate, lifetime energy savings, line loss factor, margin of error, market effects, net energy savings, and net-to-gross ratio. These terms help quantify the effectiveness and impact of energy efficiency measures and programs.
tor from thoroughly revising the tracked savings of these projects, which accounted for 19.4 percent of the tracked energy savings and 15.9 percent of the peak demand savings of the sampled projects. Custom Incentives Program xii Custom In...
AI summary The 2017 DSM Evaluation Report discusses the net-to-gross ratio (NTGR) for the Retrofit program, using historical free-ridership and spillover data. It calculates energy and peak demand savings, along with associated CO2 emissions reductions and lifetime energy savings.
(MW) 0.563 0.483 0.112 1.158 Adjustment Ratio for Peak Demand Savings 1.000 1.000 1.000 - Gross Peak Demand Savings – at the Meter (MW) 0.563 0.483 0.112 1.158 True-up Adjustment for Gross Peak Demand Savings (MW) - - -0.075 -0.075 Adjuste...
AI summary The document discusses the net-to-gross ratio (NTGR), which determines the net savings attributable to a program component or service, including factors like free-ridership and spillover. Free-ridership levels have been stable around 9% over recent years, with 2017 also set at 9% based on historical data.
1.060 1.064 1.064 - Gross Demand Savings – at Generator (MW) 1.007 1.194 0.319 2.520 6.2 Net-to-gross Ratio Because New Construction bases its savings on the difference between a participant-specific baseline (the hypothetical building tha...
AI summary The document discusses the calculation of net savings for the New Construction program under the Custom Incentives Program by Efficiency Nova Scotia. It explains that net savings are calculated using a net-to-gross ratio (NTGR) of 1.00, resulting in 5.751 GWh in net energy savings and 2.520 MW in net demand savings at the generator for 2017.
0.071 18 Roberts J. and Tso B. (SBW Consulting), Do Savings from Retrocommissioning Last? Results from an Effective Useful Life Study, ACEEE Summer Study on Energy Efficiency in Buildings, 2010. Custom 41 Custom Incentives Program Efficien...
AI summary The report discusses the Net-to-Gross Ratio (NTGR) of 1.00 applied to Building Optimization projects, citing low free-ridership due to low participation and participant feedback indicating reliance on the program for energy-efficiency measures.
Efficiency Nova Scotia 2017 DSM Evaluation Report 9 OVERALL SAVINGS FOR CUSTOM Table 16 below compares the total tracked and evaluated savings for the Custom program component, which includes savings from the Retrofit, New Construction and...
AI summary The 2017 DSM Evaluation Report compares tracked and evaluated savings for the Custom program component, including Retrofit, New Construction, and Building Optimization services. It highlights energy savings and peak demand savings with adjustments based on the Net-to-Gross Ratio (NTGR).
1.044 1.046 Gross Peak Demand Savings – at the Generator (MW) 0.571 0.255 13.3 Net-to-gross Ratio The NTGR allows for determining the net savings, i.e., the energy savings that can be reliably attributed to a program or program component....
AI summary This section discusses the Net-to-Gross Ratio (NTGR) and its application in determining net energy savings from a program, considering free-ridership and spillover effects. It notes that last year a NTGR of 1.00 was used due to the assumption that free-ridership and spillover effects were nil, supported by interviews with participants and the limited penetration of energy management information systems (EMIS).
Efficiency Nova Scotia 2017 DSM Evaluation Report The large increase in peak demand savings (86%) is attributable to the addition of peak demand savings to two projects that had not reported any. The NTGR used by ENS remained unchanged. En...
AI summary The 2017 DSM Evaluation Report highlights a significant 86% increase in peak demand savings due to the inclusion of peak demand savings from two previously unreported projects. The NTGR used by ENS remained unchanged, and the report includes data on the Custom Incentives Program's participation levels and savings for 2017.
Table 26: 2017 Overall Participation and Savings for Custom Incentives26 Participation Level Gross Savings NTGR Net Savings Custom Energy Savings 22.421 GWh 0.94 21.005 GWh 58 projects Lifetime Energy Savings 333.236 GWh 0.94 313.977 GWh c...
AI summary The table provides an overview of the 2017 participation and savings for the Custom Incentives Program under Efficiency Nova Scotia's DSM Evaluation Report. It details energy and peak demand savings, along with the net-to-gross ratio (NTGR) and net savings for various program components.
Gross and net savings calculated by the Evaluator using the parameters (unitary savings values, installation rates, interactive effects, net-to-gross Evaluated savings ratio, etc.) validated or measured during the evaluation process. Unles...
AI summary The text outlines key terms and definitions related to energy efficiency program evaluations, including gross and net savings, free-ridership, induced consumption, and interactive effects. It also describes the evaluation plan and first-year savings as critical components of assessing program effectiveness.
lement the energy Internal spillover efficiency measure introduced by a program after participating in it once, without participating in the program a second time. The proportion of incentivized products that are installed and operating. T...
AI summary The text defines various terms related to energy efficiency programs, including internal spillover, in-service rate, lifetime energy savings, line loss factor, margin of error, market effects, net energy savings, and net-to-gross ratio. These terms help measure the effectiveness and impact of energy efficiency initiatives.
llover, that negatively or positively affect the energy savings attributable to a program. Net-to-gross ratio The ratio of net energy savings to gross energy savings. Direct Installation Program iv Direct Installation Program Efficiency No...
AI summary The document outlines the Direct Installation Program under Efficiency Nova Scotia's 2017 DSM Evaluation Report, discussing metrics such as net-to-gross ratio that impact energy savings attributable to the program.
Efficiency Nova Scotia 2017 DSM Evaluation Report SBES Energy Savings The Evaluator reviewed ENS’s gross savings estimates by conducting a desk review using the information contained in the tracking system, the CIRx Screening Tool and the...
AI summary The 2017 DSM Evaluation Report reviewed Efficiency Nova Scotia's energy savings estimates, identifying discrepancies due to mismatched operating conditions. Adjustment ratios for energy and peak demand savings were calculated, and a net-to-gross ratio was determined after assessing free-ridership and spillover effects from the SBES program.
the DIY path, and the spillover was found to be nil. Table 2 below presents the NTGR values calculated as part of this evaluation. Table 2: Net-to-gross Ratio Audit Path DIY Path Overall Value Free-ridership Level 7% 13% 12% Spillover Leve...
AI summary The 2017 DSM Evaluation Report by Efficiency Nova Scotia compares the net-to-gross ratio (NTGR) for the audit and DIY paths, showing a free-ridership level of 7% and 13% respectively, with no spillover. The report also compares tracked and evaluated savings for the Small Business Energy Solutions (SBES) program, highlighting discrepancies between initial gross savings and net savings after adjustment.
otal Gross Peak Demand 1.079 0.150 0.000 0.000 0.041 0.000 0.000 0.001 0.001 0.000 1.273 Savings – at the Generator (MW) Small Business Energy Solutions 23 Direct Installation Program Efficiency Nova Scotia 2017 DSM Evaluation Report 4.3 N...
AI summary The document discusses the net-to-gross ratio (NTGR) and its use in determining reliable energy savings from program components. It highlights the concept of free-ridership, where participants may have implemented energy efficiency measures without the program, and explains that self-reporting via telephone surveys was used to assess this.
Gross and net savings calculated by the Evaluator using the parameters (unitary savings values, installation rates, interactive effects, net-to-gross Evaluated savings ratio, etc.) validated or measured during the evaluation process. Unles...
AI summary The text defines various terms related to energy efficiency program evaluation, including gross and net savings, free-ridership, induced consumption, and interactive effects. It outlines the evaluation plan and first-year savings, emphasizing the importance of measuring and validating energy efficiency program outcomes.