Topic:"Infrastructure Planning" in M09096

EfficiencyOne IN THE MATTER OF The Public Utilities Act, R.S.N.S. 1989, c.380, as amended. - and - IN THE MATTER OF An Application by EfficiencyOne for Approval of the 2020-2022 Supply Agreement for Electricity Efficiency and Conservation...

AI summary EfficiencyOne seeks approval for a 2020-2022 supply agreement with Nova Scotia Power Inc. (NSP) under the Public Utilities Act, including establishment of a final agreement and approval of a Demand Side Management (DSM) Resource Plan for electricity efficiency and conservation activities.

of Energy and Mines [ & lt;https://energy.novascotia.ca/sites/default/files/Energy-Strategy-2009.pdf>](https://energy.novascotia.ca/sites/default/files/Energy-Strategy-2009.pdf) at page 11. 7 Government of Nova Scotia, " Using Less Energy:...

AI summary The text references Nova Scotia's energy strategy and electricity plans, including the Electricity Efficiency and Conservation Plan and the 2015-2040 Electricity Plan. It cites documents from the Department of Energy and Mines and a report by Corporate Research Associates, highlighting efforts in energy efficiency and long-term electricity planning.

Annual avoided costs of energy and capacity were provided by NS Power, from the 2014 IRP using the Base level of DSM. Avoided costs of transmission and distribution were provided by NS Power in 2018. Portfolio total cost-effectiveness test...

AI summary NS Power provided annual avoided costs of energy and capacity from the 2014 IRP using the Base level of DSM, along with avoided costs of transmission and distribution from 2018. The document describes how cost-effectiveness tests are calculated using present value of benefits and costs, including net present value of avoided costs and benefit/cost ratios.

11 Key Considerations that informed the Preferred Plan 12 - 13 EfficiencyOne was guided by three key considerations in developing the Preferred 14 Plan: - 15 Maximizing Energy Savings (customer value); - 16 Ensuring a Balanced Portfolio (c...

AI summary EfficiencyOne developed the Preferred Plan based on three key considerations: maximizing energy savings, ensuring a balanced portfolio, and establishing an appropriate investment level. The plan aims to increase energy savings from 1.2% to 1.3% annually, resulting in approximately 141 GWh of savings per year, with an average annual cost of $43 million.

1 Each of these considerations is discussed in further detail below. 2 3 4. DETERMINING THE APPROPRIATE LEVEL OF ENERGY SAVINGS 4 5 Energy savings of approximately 141 GWh per year, over the 3-year DSM Plan period 6 is the appropriate leve...

AI summary The document discusses determining the appropriate level of energy savings for the 2020–2022 DSM Plan, citing the 2014 Integrated Resource Plan, industry trends, and other factors such as DSM Supply Sector capacity and the 2018 Load Forecast as key considerations.

6 4.1.2 What Role did the 2014 IRP Play in establishing the appropriate level of energy 7 savings in the Preferred Plan? 8 9 The level of energy savings identified in the IRP Preferred Resource Plan establishes 10 an objective DSM target w...

AI summary The 2014 IRP established a long-term DSM target of 141 GWh/year in the Preferred Plan, aligning with Mid-Level DSM to maximize ratepayer benefits. Flat or declining targets risk uneconomic decisions, as noted by the Board during the 2014 IRP process. The Preferred Plan's energy savings are deemed optimal for Nova Scotians.

1 IRP Preferred Resource Plan Trend 2

AI summary The document discusses the IRP Preferred Resource Plan Trend, focusing on Nova Scotia Power Inc.'s integrated resource planning. Key considerations include regulatory tests and program administration costs under the Public Utilities Act.

3 4.2.1 Lost DSM Savings Opportunities to Nova Scotians 4 5 For the period 2015 through 2019, the average annual Board-approved energy savings 6 target from DSM was 130.9 GWh/year. The approved level of energy savings is below 7 the averag...

AI summary From 2015 to 2019, the average annual Board-approved energy savings target from DSM was 130.9 GWh/year, which is below the Mid-Level DSM savings of 170.0 GWh/year. This shortfall has caused Nova Scotia to fall behind in realizing the benefits of optimal energy savings through DSM as identified in the 2014 IRP.

16 For each year that DSM investment falls short of the Mid-Level DSM, Nova Scotia 17 ratepayers are left with lost energy saving opportunities, and it becomes less and less 18 likely they will ever realize the full benefits of Mid-Level D...

AI summary The text highlights the importance of achieving energy savings targets outlined in the Mid-Level DSM to avoid lost opportunities for ratepayers. It emphasizes the need for Nova Scotia to align the next 3-year DSM Plan with the 2014 IRP levels to realize long-term benefits.

1 4.4.2 2018 Load Forecast 2 3 NS Power's 2018 load forecast provided an outlook on the energy and peak demand requirements of in-province customers for the 2019 through 2028 period. [30](#page-28-1) 4 The load 5 forecast forms the basis f...

AI summary NS Power's 2018 load forecast outlines energy and peak demand needs for 2019–2028, relying on IRP Base-Level DSM rather than the optimal Mid-Level DSM. EfficiencyOne's Preferred Plan identifies the minimal required energy savings (130.5 GWh annually) as insufficient compared to Mid-Level DSM. The forecast underpins NS Power's fuel supply and investment planning.

1 6. APPROPRIATE INVESTMENT LEVEL 2 - 3 The Preferred Plan requires an investment of $43 million per year. In determining this 4 investment level, EfficiencyOne considered the following factors: - 5 affordability; - 6 alignment with the IR...

AI summary The Preferred Plan requires an annual investment of $43 million, determined by EfficiencyOne considering factors such as affordability, alignment with the Integrated Resource Plan, past expenditures, balanced participation among rate classes, and other considerations including NS Power expenditures and long and short-term affordability.

27 6.1.1 Does the Preferred Plan align with the IRP? 28 29 The 2014 Integrated Resource Plan ("IRP") is the most recently available Preferred 30 Resource Plan and has been rigorously scrutinized and validated through the regulatory process...

AI summary The 2014 Integrated Resource Plan (IRP) is the latest Preferred Resource Plan, validated through regulatory scrutiny. It outlines energy and capacity levels, with references to regulatory decisions (M06733, M05522). The alignment of the Preferred Plan with the IRP is central to the proceeding.

25 Currency is expressed in nominal dollars. Columns may not add correctly, due to rounding. Annual avoided costs of energy and 26 capacity were provided by NS Power, from the 2014 IRP using the Base level of DSM. Avoided costs of transmis...

AI summary The text discusses currency expressed in nominal dollars and mentions annual avoided costs of energy and capacity provided by NS Power from the 2014 IRP using the Base level of DSM. It notes that columns may not add correctly due to rounding.

69 M08604 EfficiencyOne 2019 DSM Plan and Supply Agreement, Board Order 1 Appendix H includes the full presentation. 2 3 Develop an Improved Rate and Bill Impact Analysis 4 5 As agreed in the (Non-Quantum) Settlement Agreement to the 2016-...

AI summary EfficiencyOne is filing a forward-looking Rate and Bill analysis for the 2020-2022 DSM Resource Plan, showing that expected rate and bill effects are in line with previously approved DSM from 2011-2019. The plan relies on avoided utility costs from the 2014 IRP and includes an estimate of Transmission and Distribution avoided costs.

7 Need 8 The 2014 IRP is the appropriate evidence-based utility planning tool to identify the 9 level of DSM that is in the best interest of Nova Scotians. The Preferred Resource Plan 10 establishes the optimal level of DSM that results in...

AI summary The 2014 IRP is highlighted as the appropriate tool for determining optimal DSM levels in Nova Scotia, with EfficiencyOne's 2020-2022 plan correcting a trend away from this. The increase from 1.2% to 1.3% of total annual electricity generation is deemed a responsible step toward achieving optimal DSM, reducing long-term costs for ratepayers.

Appendix A 2020-2022 DSM Resource Plan

AI summary The document outlines the 2020-2022 Demand Side Management (DSM) Resource Plan, focusing on energy efficiency initiatives and regulatory considerations under Nova Scotia Power Inc.'s (NSP) oversight.

Figure 1: Development Process for the 2020-2022 DSM Resource Plan 10 11 The Preferred Plan was developed with an emphasis on producing achievable costeffective results that balance long-term requirements for energy and system-peak demand s...

AI summary The 2020-2022 DSM Resource Plan's Preferred Plan prioritizes achievable, cost-effective outcomes balancing long-term energy and system-peak demand savings through a balanced portfolio approach. Emphasis is placed on harmonizing energy efficiency, conservation, and demand-side management strategies within regulatory frameworks.

2.1 Key Considerations - An evidence-based approach was used to develop the Preferred Plan and was informed by the following three key considerations: - Customer Value: determine the appropriate level of energy savings; - Customer Need: de...

AI summary The Preferred Plan is developed using evidence-based approaches focusing on customer value, need, and affordability. It leverages data from NS Power's 2014 IRP, NSUARB decisions, DSM plans, and stakeholder input. The plan aims to reduce utility costs by aligning with mid-level DSM investments from Navigant's study, ensuring balanced short-term and long-term cost efficiency.

4 Modelling 5 6 The "Model" is a DSM portfolio design tool used to inform EfficiencyOne's DSM 7 Resource Plans. EfficiencyOne engaged Navigant Consulting to provide its ProCESS 8 short-term DSM planning tool for these purposes. 9 10 Naviga...

AI summary EfficiencyOne transitioned from the ELRAM model to Navigant's ProCESS tool for short-term DSM planning. ProCESS offers improved modeling structure, portfolio optimization, and faster output generation compared to ELRAM. The model uses input data like line loss factors, customer rates, and measure technical details to optimize DSM portfolios for the 2020-2022 Preferred Plan.

Annual avoided costs of energy and capacity were provided by NS Power, from the 2014 IRP using the Base level of DSM. Avoided costs of transmission and distribution were provided by NS Power in 2018. Portfolio total cost-effectiveness test...

AI summary The document discusses annual avoided costs of energy and capacity from NS Power's 2014 IRP, and provides estimates of CO2 reductions from the 2020-2022 Preferred Plan. It references program investment budgets, cost-effectiveness tests, and the use of TRC and PAC ratios for evaluation.

Annual avoided costs of energy and capacity were provided by NS Power, from the 2014 IRP using the Base level of DSM. Avoided costs of transmission and distribution were provided by NS Power in 2018. & lt;sup>a Lifetime benefits are expres...

AI summary Annual avoided costs of energy and capacity from the 2014 IRP using the Base level of DSM were provided by NS Power, along with avoided costs of transmission and distribution from 2018. The text describes metrics like TRC and PAC, which are benefit/cost ratios, and highlights EfficiencyOne's planned participation by low-income customers.

Annual avoided costs of energy and capacity were provided by NS Power, from the 2014 IRP using the Base level of DSM. Avoided costs of transmission and distribution were provided by NS Power in 2018. & lt;sup>a Lifetime benefits are expres...

AI summary The text discusses annual avoided costs of energy and capacity from the 2014 IRP using the Base level of DSM, as well as avoided costs of transmission and distribution from 2018. It also references metrics such as TRC and PAC, which are benefit/cost ratios used to evaluate program effectiveness.

4.2.5 Program Design

AI summary The section discusses program design within a Nova Scotia regulatory proceeding, involving entities like Nova Scotia Power Inc. (NSP) and Efficiency Nova Scotia (ENS), with focus on demand-side management (DSM), cost tests (TRC, PAC), and energy efficiency initiatives. Key topics include program administration, resource cost analysis, and regulatory compliance.

4 3.1 PREFERRED AND ALTERNATE 2020-2022 DSM RESOURCE PLANS 5 The 2020-2022 DSM Plan includes both a Preferred Plan and an Alternate scenario, 6 which contain different investment levels and savings over the three years of DSM 7 delivery. A...

AI summary The 2020-2022 DSM Plan includes a Preferred Plan and an Alternate scenario with differing investment levels and savings. A full RBIA was conducted using identical Excel models for both plans, with differences limited to DSM costs, savings, and participation estimates for 2020-2022.

11 3.5 AVOIDED COSTS 12 Avoided cost values used for this analysis are presented i[n Table 1.](#page-193-1) The avoided costs 13 of energy and capacity were developed via a difference in revenue requirements 14 approach through the 2014 IR...

AI summary The section discusses the avoided cost values used in the analysis, noting that energy and capacity avoided costs were developed via a difference in revenue requirements approach through the 2014 IRP, while transmission and distribution avoided costs were calculated by NS Power and shared with the DSMAG. There is considerable uncertainty regarding the T&D avoided cost estimates, with actual values potentially being thirty to one hundred times higher.

1 6. FUTURE CONSIDERATIONS 2 Through collaboration with the DSMAG, EfficiencyOne's RBIA has evolved 3 considerably since the last application for a three-year DSM Resource Plan; between 4 that application and the current one, it has been f...

AI summary EfficiencyOne has improved its Rate and Bill Impact Analysis (RBIA) for the DSM Plan with input from stakeholders and Synapse. The model has been reviewed multiple times and will continue to evolve. Future considerations include refining avoided cost estimates and exploring NS Power's breakdown of lost revenues and avoided costs.

NS Power provided estimates for 2019 by class, including block 1, block 2, Fuel Adjustment Mechanism, and demand charges where applicable. base charges are assumed to remain flat after 2019. Transformer credits are not included in rates. C...

AI summary NS Power provided 2019 estimates for block 1, block 2, Fuel Adjustment Mechanism, and demand charges. Base charges are assumed flat after 2019, and transformer credits are excluded from rates. Historical and forecasted energy sales data, including DSM assumptions from the 2014 IRP, are used to estimate no-DSM rates and sales scenarios.

Appendix B – Attachment 4: Equations Long-Term Rate and Bill Impact Analysis of the 2020-2022 DSM Plan

AI summary This document presents the Long-Term Rate and Bill Impact Analysis of the 2020-2022 Demand-Side Management (DSM) Plan, focusing on equations used to evaluate financial impacts. It is part of a regulatory proceeding involving Nova Scotia's energy efficiency initiatives.

8 Q: Are there any other brief examples you can provide about approaches to mature or saturated

AI summary The document poses a question about examples of approaches to mature or saturated markets in regulatory proceedings but does not provide specific examples or detailed analysis in the text provided.

Selected Publications - 2018 Pennsylvania's Solar Future Plan: Strategies to Increase Electricity Generation from In-state Solar Energy. Pennsylvania Department of Environmental Protection, November. Led the VEIC team that conducted the sc...

AI summary Selected publications focus on energy efficiency, solar energy, and policy initiatives from 2000 to 2018. Key contributors include the American Council for an Energy-Efficient Economy (ACEEE), U.S. Department of Energy (DOE), and Vermont Energy Investment Corporation (VEIC). Topics include solar market development, renewable energy assessments, and climate policy recommendations.

- o Other expertise. Pierre also leads the data integrity and infrastructure integration of VEIC's Technical Reference Manuals and their software applications, energy efficiency and renewable energy savings claims, and technical and regula...

AI summary VEIC staff provide technical and strategic support for energy efficiency programs. Pierre ensures data integrity for VEIC's technical manuals and capacity markets. Jay Pilliod leads program design at Efficiency Vermont, including Green Revolving Funds and building standards. Frances Huessy edits content aligned with testimony objectives.

Direct Testimony of Glenn Reed / February 27, 2019 Page 3 3 EfficiencyOne 2020-2022 DSM Resoruce Plan Filing. Appendix A. DSM Resource Plan. February 28, 2019.

AI summary Direct testimony by Glenn Reed references EfficiencyOne's 2020-2022 DSM Resource Plan filing, including an appendix dated February 28, 2019. The document pertains to Nova Scotia's regulatory proceedings involving demand-side management initiatives.

EFFICIENCYONE 2020-2022 DSM RESOURCE PLAN FILING EVIDENCE

AI summary EfficiencyOne submitted its 2020-2022 Demand Side Management (DSM) Resource Plan filing evidence to Nova Scotia regulators, outlining energy efficiency initiatives and program performance metrics.

EFFICIENCYONE 2020-2022 DSM RESOURCE PLAN FILING EVIDENCE 1 Plan move towards the levels set out in the IRP, but still do not achieve the optimal 2 level. 3 4 Accordingly, the gap between customer benefits contemplated by the IRP and benef...

AI summary EfficiencyOne's 2020-2022 DSM plan underinvests compared to the IRP's optimal levels, creating a widening gap between customer benefits and approved DSM outcomes. The text argues that insufficient funding for energy efficiency harms ratepayers and emphasizes the need for investment aligned with the IRP's targets, referencing a chart comparing UARB-approved expenditures to IRP plans.

Annual avoided costs of energy and capacity were provided by NS Power, from the 2014 IRP using the Base level of DSM. Avoided costs of transmission and distribution were provided by NS Power in 2018. Portfolio total cost-effectiveness test...

AI summary The document outlines annual avoided costs of energy and capacity from NS Power's 2014 IRP and 2018 transmission and distribution costs. It also references EfficiencyOne's estimates of CO2 reductions from the 2020-2022 Preferred Plan and discusses cost-effectiveness tests and program investment budgets for 2020-2022.

. The key themes that Nova Scotians want followed for the electricity system are:  accountability;  market competition;  stable power rates in an accountable and transparent electricity system; and  support for innovation, but not at a...

AI summary Nova Scotians prioritize accountability, market competition, stable power rates, and innovation in the electricity system. Provincial legislation mandates 40% renewable electricity by 2020 and reduced greenhouse gas emissions. Nova Scotia has a winter peaking load profile, and projects like the Maritime Link are vital for managing variable loads and promoting renewable energy.

(incentives are not directly included in the TRC). Other jurisdictions have applied different approaches for measure level testing, choosing to exclude administration costs as these can vary greatly depending on the maturity of the measure...

AI summary The document discusses Nova Scotia Power's use of the Energy Efficiency Resource Assessment Model (EERAM) for long-term planning and the methodology for calculating avoided costs, which differ from other jurisdictions. Conservation activities compete with the lowest cost of supply, and avoided capacity costs are set at $0/kW until 2019, impacting how efficiency programs can claim benefits.

c. Training Date Filed: March 29, 2019 NS Power IR-15 Attachment 2 Page 31 of 32 ACTIVITIES Internal Infrastructure Enhance/Develop Infrastructure Enhance/Develop Marketing Deliver Marketing Campaigns Integrated Marketing Communications Co...

AI summary The text outlines activities related to internal infrastructure development, marketing communications, and campaign management, including cross-functional communication and regular reporting on customer responses.

ement for Electricity Efficiency and Conservation Activities between E1 and Nova Scotia Power Inc. (DSM 2020- 2022) M09096 (E-ENS-R-19) E1 Responses to Nova Scotia Power Inc. (NS Power) NON-CONFIDENTIAL 1 Request IR-38: 2 3 Reference: Evid...

AI summary EfficiencyOne did not model the additional cost of the 'catch up' scenario to achieve Mid-Level DSM savings by 2040, but NS Power's 2014 IRP analysis showed that the Mid-Level DSM scenario leads to lower long-term customer costs. EfficiencyOne acknowledges that moving away from Mid-Level targets may lead to short-term cost increases that could hinder long-term benefits.

ted on page 24 and beyond, the vast majority of DSM leaders now apply something other than the traditional TRC test. COST-EFFECTIVENESS IN NOVA SCOTIA REGULATORY DRIVERS While the current effort at DSM in Nova Scotia is relatively new, the...

AI summary The text discusses the evolution of demand-side management (DSM) in Nova Scotia, highlighting the shift from using the Total Resource Cost (TRC) test as a screening tool to alternative methods. It references past regulatory decisions and thresholds applied by the Utility and Review Board (UARB) in the context of Integrated Resource Planning (IRP).

pass the TRC, so long as the program as a whole passes (NSUARB - Decision In The Matter of an Application by ENSC for Approval of its Electricity Demand Side Management Plan for 2012, 2011). The Terms of Reference of NSPI’s 2014 IRP specif...

AI summary The text discusses the Total Resource Cost (TRC) approach and how the Program Administrator Cost (PAC) test is used in evaluating Demand-Side Management (DSM) programs. It references the Integrated Resource Planning (IRP) process and legislation, including the Electricity Efficiency and Conservation Restructuring Act (2014), which aims to reduce costs for NSPI customers through energy efficiency initiatives.

benefits (NEBs), the accuracy of such assessments may raise concerns, leading to lengthy discussions, ongoing debate, and more contentious hearings than otherwise necessary. • Relevance: While the TRC (once corrected) arguably would provid...

AI summary The text discusses concerns about the accuracy of Non-Energy Benefits (NEBs) assessments, which can lead to contentious hearings. It argues that the Program Administrator Cost (PAC) test is more aligned with Nova Scotia's regulatory framework and Integrated Resource Plan (IRP), and recommends using the PAC test for screening Demand Side Management (DSM) programs.

e 1 below displays the “Base-DSM” avoided costs from the 2014 Integrated Resource Plan 28 (IRP) which illustrates this trend and shows markedly higher avoided capacity costs beginning in 29 2019. Date Filed: March 29, 2019 E1 (NS Power) IR...

AI summary The text references the 'Base-DSM' avoided costs from the 2014 Integrated Resource Plan (IRP) and highlights increasing avoided capacity costs starting in 2019. It also mentions a filing by EfficiencyOne related to a Supply Agreement for Electricity Efficiency and Conservation Activities between E1 and Nova Scotia Power Inc. (DSM 2020-2022) under matter number M09096.

NON-CONFIDENTIAL 1 2 Table 1: Base-DSM Avoided Costs - 2014 IRP Avoided Avoided Capacity Base- Energy Costs Costs DSM $/MWh $/kW 2015 0 64 2016 0 60 2017 0 58 2018 0 55 2019 418 57 2020 196 60 2021 179 62 2022 190 84 2023 207 85 2024 201 8...

AI summary The table presents the base-Demand Side Management (DSM) avoided costs for capacity and energy from 2015 to 2036 as outlined in the 2014 Integrated Resource Plan (IRP). Capacity costs start at $0 and increase over time, while energy costs begin at $64/MWh and steadily rise through 2036.

NON-CONFIDENTIAL 1 Using the 2014 IRP avoided generation costs in 2019 analyses for the 2020–2022 2 DSM Plan is regrettable, but it is not clear that NS Power can be induced to address 3 the many outstanding problems in the avoided costs p...

AI summary The document critiques the use of avoided generation costs from the 2014 IRP in 2019 analyses for the 2020–2022 DSM Plan, noting that NS Power has not adequately addressed outstanding issues. It also questions the methodology used by NS Power to calculate avoided T&D values, suggesting that the approach may be flawed.

1. Planning The function of the Plan is to develop program plans and to provide estimates, while incorporating new knowledge, much of which is moved forward from other steps in the process. The Plan provides a high-level blueprint for Impl...

AI summary The Plan's function is to develop program plans, provide estimates, and incorporate new knowledge from prior process steps. It serves as a high-level implementation blueprint, including a program portfolio, benefit/cost test results, and specific program plans.

G. Highlighted Evaluation Standards In this section we highlight five guidelines or standards for evaluation: independence, avoiding the risk of circularity in using automated evaluation, 20 P a g e 15 The "look-ahead" for a DSM Integrated...

AI summary The document outlines five evaluation standards, emphasizing independence, transparency, and long-term planning. It contrasts DSM's 20-30 year planning horizon with climate adaptation's 220-600 year timeframe, warning against short-term 'low-hanging fruit' strategies that may lock in suboptimal solutions. An example highlights a US utility's shift to oil-fired generation due to short-term cost considerations, leading to long-term inefficiencies.

M08604, EfficiencyOne Application for Approval of the 2019 DSM Resource Plan and Supply Agreement, NSPI Reply Evidence, June 20, 2018. 1 customers pay through electricity rates, which are among the highest in the country. 2 Additional rate...

AI summary The document discusses the affordability of DSM spending in 2020, noting that customers already pay high electricity rates. It highlights that NS Power has access to cheaper market-based energy and that load growth is being curbed by DER and non-regulated DSM. The focus is on determining the best level of DSM spending for customers during the 2020-2022 period.

Appendix A, Evidence of Richard Levitan, page 9, lines 2-5. 1 E1 justifies its long-term outlook based on the 2014 IRP. However, the 2014 IRP is not 2 highly correlated with the changes to the NS Power system over the last five years. At 3...

AI summary E1's long-term outlook is based on the 2014 IRP, but it is not highly correlated with changes in the NS Power system over the last five years. NS Power expressed concerns that DSM spending levels in the 2014 IRP were not optimal and suggested that DSM levels should be determined in the DSM process. A material change since the 2014 IRP is the forecast in DER, influenced by government subsidies and customer feedback.

5.0 SYSTEM IMPACT AND REQUIREMENTS the residential solar sector: The power system is undergoing a period of rapid change. As technology improves and resources become more cost effective, there has been an increase in customers choosing to...

AI summary The power system in Nova Scotia is experiencing rapid change due to increasing residential solar installations, driven by technological advancements and government funding. Over 600 customers had installed self-generation systems by 2018, with forecasts of over 22,000 by 2030. These systems reduce net system requirements similarly to Demand Side Management (DSM) and are considered in Integrated Resource Plan (IRP) load variability.

M08349, Nova Scotia Power Advanced Metering Infrastructure Project Application, Appendix B02, Electronic Version, October 19, 2017. M05522, Nova Scotia Power 2014 Integrated Resource Plan Final Report, October 15, 2014, Appendix B, page 79...

AI summary Nova Scotia Power argues that using DSM levels from the 2014 IRP is problematic due to issues with short-term affordability, adoption of DER reducing customer load, and non-customer funded DSM providing system benefits. They also note discrepancies between forecasted and actual costs and mention the upcoming IRP will provide updated DSM requirements.

Subsidies available for solar either through Halifax's Solar City program or through the non-electric customer-funded programs offered by E1 and funded by the Government of Canada will promote energy savings that provide customers with sim...

AI summary The text discusses the impact of subsidies for solar energy and non-customer funded DSM initiatives, such as heat pump conversions, on energy savings and system capacity requirements. It highlights that non-subsidized DSM efforts have provided significant energy savings and rate relief to customers without sacrificing system value.

Q. What is your professional experience and background? A. I have 40 years of experience in the energy industry. Since LAI's formation in 1989, I have advised stakeholders, in particular, utilities, ISOs, and private equity investors on di...

AI summary The individual has 40 years of energy industry experience, advising utilities, ISOs, and regulators on resource adequacy, carbon reduction, and procurement. They have worked on IRP, demand response, energy efficiency, and transmission projects across the U.S. and Canada, representing entities like DEEP, PURA, and EDCs, and testified in regulatory proceedings.

Q. Are you familiar with the IRP and Generation Utilization and Optimization (GUO) proceedings in Nova Scotia? A. Yes.

AI summary The individual confirms familiarity with the Integrated Resource Planning (IRP) and Generation Utilization and Optimization (GUO) proceedings in Nova Scotia, which involve energy planning and optimization strategies.

Q. Please summarize the objectives of the IRP and GUO. A. As highlighted in the Terms of Reference, 6 the objectives of the 2014 IRP were to develop a long-term Preferred Resource Plan to help NS Power meet demand, energy and environmental...

AI summary The Integrated Resource Plan (IRP) aims to develop a long-term Preferred Resource Plan for NS Power to meet demand, energy, and environmental requirements in a cost-effective, safe, and reliable manner. The GUO study from 2018 assessed the cost-effectiveness of retaining a portion of NS Power's thermal generation fleet through 2030 and potentially beyond.

Q. How was DSM program potential assessed in the context of the latest IRP and GUO proceedings? A. On behalf of EfficiencyOne, Navigant conducted an analysis of DSM, i.e ., EE programs from 2015 to 2040 to support NS Power's IRP and GUO ef...

AI summary DSM program potential was assessed by Navigant for NS Power's IRP and GUO proceedings, analyzing EE programs from 2015–2040. Four scenarios (Low, Base, Mid, High) were developed using incentive levels and data from 2012 studies, surveys, and on-site collections. The 2014 report informed DSM strategies to meet provincial goals.

Q. Can you summarize how NS Power proposed to treat DSM programs in the IRP? A. Yes. NS Power proposed using a separate regulatory process outside of the IRP, i.e. , the 2016-2018 DSM Resource Plan. 14 Consensus on the appropriate level of...

AI summary NS Power proposed using a separate regulatory process (2016-2018 DSM Resource Plan) outside the IRP for DSM programs. Stakeholders disagreed on optimal EE levels, but consensus was reached on the need to establish an adjustable optimal EE level for the IRP process, using IRP-provided data to determine resource needs.

12 Q. Under what legislation was the 2019 DSM Resource Plan developed? A. EfficiencyOne developed the 2019 DSM Resource Plan for the supply of electricity and conservation activities to NS Power, in accordance with the Electricity Plan Imp...

AI summary EfficiencyOne developed the 2019 DSM Resource Plan for NS Power under the Electricity Plan Implementation (2015) Act and the Public Utilities Act, citing specific statutory sections.

5 Q. Should Nova Scotia pursue implementation of high-cost measures to achieve higher 6 levels of energy savings? 2 A. No. Nova Scotia has achieved satisfactory levels of energy savings and should forego implementation of high cost measure...

AI summary Nova Scotia should not implement high-cost energy-saving measures due to affordability concerns, existing satisfactory savings, and NS Power's capacity constraints. The province can use its energy surplus until 2022 to meet demand and delay costly measures until they are more cost-effective, avoiding trade-offs seen in other regions.

Q. Do you agree with EfficiencyOne that the Preferred Plan strikes an appropriate balance between short and long-term considerations? & lt;sup>89 See paragraph 82 of the Board's decision in M06733. & lt;sup>90 IR-10, page 1 of 4, lines 20-...

AI summary The respondent disagrees with EfficiencyOne, stating the Preferred Plan is too aggressive in pursuing uncertain long-term benefits based on inflated energy value savings, resulting in unfair short-term costs for Nova Scotians.

Q. Did this iterative model development process continue until the final Preferred Plan and Alternate Plan were formulated? A. As I understand from EfficiencyOne's response to the information request, the use of the optimization tool ended...

AI summary The iterative model development process using an optimization tool ceased before finalizing the Preferred and Alternate Plans. EfficiencyOne noted that adding constraints made the model overconstrained and risked false precision. Non-model information and team judgment were used in the vetting stage to finalize plans.

LITIGATION SUPPORT Represented Pio Pico combined cycle plant in its lawsuit against San Diego Gas & Electric Co. regarding PPA breach. Represented NJ BPU on LCAPP litigation regarding the standard contract awards to LCAPP awardees, i.e., H...

AI summary The document outlines litigation support work across multiple jurisdictions, including representation in PPA disputes, expert testimony in rate cases, and analysis of energy infrastructure projects. Key entities involved include utilities, regulatory bodies, and legal counsel, with cases spanning power generation, pipeline transportation, and merger reviews.

RESOURCE ASSESSMENT & MARKET DESIGN Evaluated (in)validity of the Environmental Defense Fund's allegations about vertical market power abuse by gas utilities in Connecticut for Eversource Energy. Submitted testimony before FERC on behalf o...

AI summary The text outlines legal and technical engagements in energy regulation, including evaluating vertical market power claims in Connecticut, testifying on gas/electric scheduling protocols before FERC, analyzing transmission projects for reliability, assessing wind potential in New England, and conducting economic analyses for Maryland's resource planning. Key entities involved include ISO-NE, FERC, PURA, and various utilities and regulatory bodies.

DUE DILIGENCE Evaluated transmission requirements and economic impacts associated with firm transmission withdrawal rights to support NYPA's Hudson Transmission Project. Derived generation asset portfolio value of existing gas assets in Ne...

AI summary The text outlines due diligence activities involving energy projects, including transmission rights evaluations for NYPA's Hudson Transmission Project, generation asset valuations for Exelon and international investors, market exposure analysis for LG&E, and financial assessments for power plants and cogeneration ventures in the US and Panama.

EXPERT TESTIMONY (ADMINISTRATIVE ONLY) Federal Energy Regulatory Commission - ISO-NE (Waiver Request to support RMR for the Mystics) - ISO-NE (Day Ahead Market Scheduling Change) - Pan Alberta Gas (Pacific Gas Transmission) - Con Edison Co...

AI summary Expert testimony under FERC includes cases involving ISO-NE's waiver request, market scheduling changes, decertification of Con Edison, information disclosure requests, and regulatory proceedings for gas and pipeline companies across multiple jurisdictions, highlighting diverse energy infrastructure and regulatory challenges.

Massachusetts Department of Public Utilities - NStar (Carver to Cape Cod Transmission Line) - Enron Capital & Trade

AI summary The Massachusetts Department of Public Utilities is referenced in a regulatory proceeding involving NStar's Carver to Cape Cod Transmission Line project and Enron Capital & Trade. The text highlights entities involved in energy infrastructure and financial services within the context of regulatory oversight.

INDUSTRY PRESENTATIONS & PUBLICATIONS Law Seminars International Conference; Transmission and Clean Energy in the Northeast "Offshore Energy Policy Issues, Where Are We Headed, How & When?," March 2019 "Renewable Initiatives in the Greater...

AI summary The document lists industry presentations and publications from 2014 to 2019, covering topics like renewable energy, infrastructure, natural gas, system reliability, and gas-electric coordination. Key entities include conferences, energy associations, and regulatory bodies such as PJM, IEEE, and NEPOOL.

Connecticut Public Utilities Regulatory Authority (formerly Department of Public Utility Control) Wholesale Procurement of Standard Service and Last Resort Service United Illuminating Company (multiple rounds) Connecticut Light & Power Com...

AI summary The Connecticut Public Utilities Regulatory Authority (PURA) oversees multiple regulatory docket proceedings involving wholesale procurement, long-term contracts, peaker generation, and integrated resource planning. Key entities include United Illuminating Company and Connecticut Light & Power Company, with docket numbers spanning from 2006 to 2010.

Approach to Updated Avoided Costs - NS Power proposes to use annual avoided fuel costs rather than levelized avoided fuel costs, using the annual values from the last two IRPs. For avoided capacity, NS Power has proposes to use the 2014 IR...

AI summary NS Power proposes using annual avoided fuel costs from recent IRPs and 2014 avoided capacity costs. A new IRP, directed by UARB, will update long-term planning for DSM (2023-2026). Current system data (lower marginal costs, renewables, self-generation) challenges reliance on 2014 IRP values.

Updated Avoided Fuel Costs - Recommend use of annual avoided fuel costs from IRP studies - 2011-2014 from the 2009 IRP. - 2015-2033 from the 2014 IRP. - The IRP calculates the difference in Partial Revenue Requirements (PRR) using Strategi...

AI summary The document recommends using annual avoided fuel costs from IRP studies (2009 for 2011-2014, 2014 for 2015-2033). PRR calculations consider DSM effects, including fuel, purchased power, and capital costs. NSPI confirmed new resource costs are amortized over their lifetime, as requested by UARB in a March 6, 2017 letter.

NON-CONFIDENTIAL 1 Request IR-01: 2 3 Regarding the 2014 IRP Mid-Case savings projections. 4 5 a) Does EfficiencyOne (E1) think that it would be achievable to acquire the energy 6 savings at the same level as the 2014 IRP preferred resourc...

AI summary EfficiencyOne (E1) responds to questions about achieving energy savings at the level of the 2014 IRP preferred resource plan, estimating higher TRC net benefits if such savings were achieved, and confirms it has not performed a rate and bill impact analysis for the mid-level DSM scenario from the 2014 IRP.

Table 1: 2016-2018 DSM Results Restated for Lighting Changes in 2019 Dollars 2016-2018 Results (Restated 2019 Dollars) 3 Regarding E1 discussion of Affordability on pages 39-40 of the Application. 4 5 a) What impact on short-term rates wou...

AI summary The document discusses EfficiencyOne's (E1) response to questions regarding affordability and the impact of the 2014 Integrated Resource Plan (IRP) on short-term rates. E1 explains that affordability is not subject to a precise determination under current legislation and emphasizes a measured approach to energy savings and investment levels. It also notes that the investment level from the 2014 IRP is considered affordable and optimal in the long term.

3 PROGRAM CALCULATIONS

AI summary This section discusses program calculations related to Demand Side Management (DSM) and Integrated Resource Plan (IRP), involving Efficiency Nova Scotia (ENS), Nova Scotia Power (NSP), and EfficiencyOne (E1), with considerations for consumer advocacy and prevalence metrics.

3.1.2 APPLIANCE RETIREMENT

AI summary Section 3.1.2 discusses appliance retirement programs under Nova Scotia's regulatory proceeding. Key entities include Efficiency Nova Scotia (ENS) and EfficiencyOne (E1), with topics focusing on appliance retirement policies and their implications for demand-side management (DSM) and integrated resource planning (IRP).

6 BNI - EFFICIENT PRODUCT REBATES

AI summary The section focuses on efficient product rebates under BNI, likely addressing demand-side management and integrated resource plan initiatives. Key entities include Nova Scotia Power, Efficiency Nova Scotia, and EfficiencyOne, with considerations on apartment and overall prevalence metrics.

1 Request IR-05: 2 3 Please provide the avoided costs used to develop the efficiency scenarios in the 2014 IRP. 4 5 Response IR-05: 6 - 7 Please refer to Attachment 1 of this IR response for the annual avoided cost profiles used, based - 8...

AI summary The response to Request IR-05 directs to Attachment 1 for annual avoided cost profiles based on the 2009 IRP refresh and references Table 1 for other resource impact values used in the 2014 IRP efficiency scenarios.

1 Request IR-06: 2 3 Please provide the avoided costs used by Synapse to develop the 2018 GUO report. 4 5 Response IR-06: 6 - 7 Synapse relied on updated DSM unit cost information to inform the development of the 2018 GUO - 8 report. In or...

AI summary Synapse used updated DSM unit cost data from Navigant's 2013 DSM Potential Study update for the 2018 GUO report. The avoided costs are based on the 2014 IRP (Base Case) and NS Power's 2017 transmission/distribution cost estimates. Table 1 details other resource impact modeling parameters.

Question: - Regarding E1's customer acquisition efforts related to New Construction projects in the - Custom program, please provide specific details on how E1 gives consideration to the - customer's potential access to alternative, non-el...

AI summary The document requests E1 (Nova Scotia Power) to detail how their customer acquisition process for new construction projects considers alternative energy sources like natural gas. Heritage Gas Limited is mentioned as a party involved in the proceeding.

NON-CONFIDENTIAL Request IR-05: Reference: 2020-2022 DSM Plan, page 59 of 62 The Use of Avoided Costs from the 2014 IRP in the Development of the 2020-2022 DSM Resource Plan. "Given that the 2014 Integrated Resource Plan represents the mos...

AI summary EfficiencyOne (E1) supports using 2014 Integrated Resource Plan (IRP) avoided costs for the 2020-2022 DSM Resource Plan, citing NS Power's 2018 presentation on transmission/distribution costs. E1 includes these costs as conservative and justified, along with natural gas and water impacts based on utility rates due to unavailable true avoided cost data.

NON-CONFIDENTIAL (a) The avoided costs of energy and generation capacity provided by NS Power from the 2014 IRP and used in the E1 2020-2022 DSM Resource Plan. Please include avoided costs for each year of the study period. (b) The avoided...

AI summary The document requests avoided costs, transmission/distribution capacity costs, non-energy costs, and discount rates from E1's 2020-2022 DSM Resource Plan. E1 refers to prior responses for avoided costs and non-energy costs, stating a 6.84% discount rate based on NS Power's 2019 WACC/AFUDC rate, assuming constancy throughout the study period. Cross-references include M08876, 76340, and the NSUARB Order.

Comments In its presentation, E1 claims that energy efficiency costs less than NS Power's lowest fuel cost. As a lower cost—if not the lowest cost—resource, energy efficiency should continue to be the "first fuel" in resource planning. Ene...

AI summary E1 argues energy efficiency is cheaper than NSP's fuel costs and should be prioritized in resource planning. Current DSM plans underperform compared to 2014 IRP targets, with savings 10-20% lower. The Board's 2015 decision (M06733) emphasized aligning DSM with past IRP levels. E1's 2020-2022 plan exceeds 2019 spending, while NSPI claims the Board's alternative plan requirement implies lower DSM efforts. The Electricity Plan Implementation Act allows higher 2020-2022 spending.

Supporting the demand response programs EAC is supportive of E1's inclusion of demand response programs in its budget for 2020-2022. We believe this will help Nova Scotians find their best saving potentials and reduce their greenhouse gas...

AI summary EAC supports E1's inclusion of demand response programs in its 2020-2022 budget, citing benefits for energy savings, greenhouse gas reduction, and electricity system planning in Nova Scotia. Emma Norton, Energy Conservation Coordinator at EAC, submitted these comments.

NON-CONFIDENTIAL Request IR-02: On page 5 of its Application, E1 stated, with emphasis included: The Standardized Filing Framework directs that the Preferred Resource Plan identified in Nova Scotia Power's Integrated Resource Plan ("IRP")...

AI summary E1 asserts that its Preferred DSM Resource Plan aligns with Nova Scotia Power's 2014 IRP until an updated IRP is approved by the NSUARB. E1 questions whether it can adjust its 2020-2022 DSM portfolio without financial penalties if future IRP analysis recommends lower DSM levels due to sector transformations and changing input factors.

E1 Responses to NSUARB-Pronko 1 Response IR-02: 2 3 a) EfficiencyOne has developed the 2020-2022 DSM Plan utilizing the empirical results of 4 the 2014 IRP. It does not support reliance upon an anecdotal assessment of market 5 transformati...

AI summary EfficiencyOne responds to the NSUARB regarding the 2020-2022 DSM Plan, emphasizing reliance on empirical results from the 2014 IRP and expressing concerns about using anecdotal assessments for market transformation. It outlines factors to consider when addressing the 2020 IRP results, including DSM levels, ratepayer impact, timing of regulatory processes, and contractual obligations.

4. Conclusion Navigant used the EERAM model to estimate the Nova Scotia long‐term (2015‐2040) electrical energy efficiency potential. The results for Technical and Economic Potential are provided for context and include both savings from D...

AI summary Navigant's EERAM model estimates Nova Scotia's long-term (2015-2040) energy efficiency potential, distinguishing between technical, economic, and achievable scenarios. Results support energy efficiency strategies, provincial goals, and utility Integrated Resource Planning (IRP), with robustness against baseline uncertainties. Achievable Potential scenarios include residential, commercial, and industrial sector savings under varying incentive levels.

3. Introduction ENSC has indicated that NSPI may be updating its Integrated Resource Plan (IRP) prior to 2014. Navigant understands that ENSC requires estimates of DSM potential energy and winter peak demand savings for a 26‐year period (2...

AI summary ENSC requests DSM potential energy and winter peak demand savings estimates for 2015–2040 to update NSPI's IRP. Navigant conducted a 26-year DSM analysis, market assessment, and updated measure-level details to support the IRP process.

NON-CONFIDENTIAL 1 Request IR-01: 1 by the NSUARB per the 2016-2018 DSM Resource Plan Order to file its proposed 2 accounting treatment for the 2015 programs and the 2016-2018 DSM programs. 3 4 EfficiencyOne reports spending by rate class...

AI summary EfficiencyOne is responding to requests regarding cost recovery mechanisms and changes in the energy landscape in Nova Scotia. It acknowledges potential changes since 2014 but cannot comment on their impact on avoided costs until a new Integrated Resource Plan is finalized. EfficiencyOne also notes that changes to the cost recovery mechanism would not impact program budgeting and operations.

2020-2022 Alternate DSM Resource Scenario Enabling Strategies 2020 2021 2022 Investment Investment Investment ($ millions) ($ millions) ($ millions) Education and Outreach 0.8 0.9 0.9 Development and Research 0.8 0.9 0.9 Other Enabling Str...

AI summary The table outlines investments in enabling strategies for Demand Side Management (DSM) in Nova Scotia from 2020 to 2022, including education, research, and other initiatives, with total investments increasing slightly over the period.

E1 Responses to Synapse 1 Request IR-29: 2 3 Refer to Page 6 of 37 of Appendix B, which states that the "annual avoided [energy] costs in 4 this model are from the 2014 IRP." 5 6 a. Does EfficiencyOne expect current avoided energy costs to...

AI summary EfficiencyOne is asked about differences between current avoided energy costs and those in the 2014 Integrated Resource Plan (IRP), including direction and magnitude of change, and whether these differences impact the RBIA. EfficiencyOne refers to its response to Synapse IR-02 for details.

Considerations - The analysis will only include DSM proposed in the DSM Plan application (2020-2022 program years) - The UARB directed NS Power to update avoided costs as required by EfficiencyOne for use in preparation of the 2020-2022 DS...

AI summary The analysis focuses on DSM proposals for 2020-2022, with the UARB directing NS Power to update avoided costs per EfficiencyOne. Synapse recommends using costs from the Generation Optimization matter, while NS Power advocates retaining 2014 IRP avoided costs and updated transmission/distribution costs. EfficiencyOne supports NS Power’s position in the 2018 RBIA matter.

NON-CONFIDENTIAL 1 RBIA for the period between 2015 and 2030. It is derived from the 2014 IRP avoided 2 costs. 3 4 (c) NS Power has not calculated a different avoided cost for the purpose of E1's Application. 5 The Company's evidence is th...

AI summary The document discusses the RBIA (Revenue-Based Investment Allowance) for the period 2015–2030, derived from the 2014 IRP (Integrated Resource Plan) avoided costs. NS Power states that actual avoided costs have been significantly lower than the 2014 IRP values and notes that the next scheduled IRP is in 2020.

NON-CONFIDENTIAL 1 Request IR-6: 2 3 Please provide the avoided costs used in the 2014 IRP. 4 5 Response IR-6: 6 7 Please refer to NSUARB IR-7. Date Filed: May 13, 2019 NSPI (EAC) IR-6 Page 1 of 1

AI summary The document contains a request (IR-6) for avoided costs in the 2014 Integrated Resource Plan (IRP) and a response directing the requester to refer to NSUARB IR-7.

NON-CONFIDENTIAL Request IR-8: Reference: NS Power Evidence, 2020-2022 DSM Plan, page 21, lines 5-10. NS Power suggests that the IRP levels are not appropriate to be used in establishing DSM plan energy and investment levels. What form of...

AI summary NS Power argues that the Integrated Resource Plan (IRP) is not suitable for setting short, medium, and long-term DSM planning levels, as it does not consider affordability and system requirements in the short term. They suggest the DSM proceeding is the appropriate venue for establishing DSM levels. NS Power also notes that specific operational dates for DER projects are not available, with most expected to be operational within five years.

NON-CONFIDENTIAL 1 efficient heating unit (i.e. switching from a less-efficient oil furnace to a more-efficient 2 heat pump). Date Filed: May 13, 2019 NSPI (IG) IR-4 Page 2 of 2 2020-2022 Demand Side Management (DSM) Resource Plan (NSUARB...

AI summary The document references Nova Scotia Power Inc.'s (NSPI) responses to Industrial Group information requests, including an example of efficient heating unit upgrades. It relates to the 2020-2022 Demand Side Management (DSM) Resource Plan (NSUARB M09096), filed on May 13, 2019, and discusses DSM initiatives in Nova Scotia's utility regulatory proceedings.

2020-2022 DSM IG IR-05 Attachment 1 Page 6 of 158 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 1 • Identification of transmission related capital projects currently in the 2 Transmission Development Plan in Sections 9 and 10. 3 4 • IRP Acti...

AI summary The document outlines two key items: identification of transmission-related capital projects in sections 9 and 10 of the Transmission Development Plan, and the IRP Action Plan Update Table in Appendix A. The text includes a revision date of July 12, 2018, and page numbering context.

1 3.0 GENERATION RESOURCES 2

AI summary Section 3.0 of the regulatory proceeding document addresses Generation Resources, involving entities such as NSUARB, NSPI, NS Power, and NSPSO. Key acronyms include DSM for Demand Side Management. The section outlines regulatory considerations related to power generation in Nova Scotia.

13 3.2.2 Mersey Hydro 14 15 NS Power is in the final stages of assessing options to address current concerns on the 16 Mersey Hydro System. Degradation of the powerhouse and water control structures after 7 DSM Firm Peak Reduction is calcu...

AI summary NS Power is evaluating options to address degradation in the Mersey Hydro System. DSM Firm Peak Reduction is based on the 2018 NS Power forecast (M08670). Transmission upgrades from the Maritime Link allow 43MW of PH Biomass capacity, while Lingan 2's retirement depends on firm capacity from the Maritime Link.

16 3.3 Unit Utilization & Investment Strategy 17 18 The following sub-sections provide an updated Unit Utilization and Investment Strategy 19 (UUIS). The Company forecasts 10 years of utilization and investment projections in this 20 repor...

AI summary NS Power's Unit Utilization and Investment Strategy (UUIS) outlines 10-year projections based on current assumptions, noting potential shifts due to regulatory changes like the Nova Scotia Cap and Trade program and an Equivalency Agreement. The strategy integrates asset management and generation planning, aligning with renewable integration demands and annual updates in the 10-Year System Outlook Report.

4 3.3.3 Projections of Unit Sustaining Investment 5 6 Unit utilization and reliability objectives have long been the drivers for generator 7 investment planning. Traditionally, in a predominantly base loaded generation fleet, it 8 was suff...

AI summary The text discusses how unit utilization and reliability objectives drive generator investment planning, traditionally relying on capacity factor for utilization forecasts in base-loaded generation fleets.

1 3.3.4 Steam Fleet Retirement Outlook As stated in NS Power's submission to the UARB dated June 7, 2018[11](#page-32-1) 2 in regard to 3 Synapse Energy Economic Inc.'s (Synapse) Generation Utilization and Optimization 4 report (M08059) fi...

AI summary NS Power's submission to the NSUARB indicates that retaining the coal fleet until 2030 is cost-effective based on Synapse's report, though uncertainty remains due to pending carbon regulations. The company expects resolution by late 2018, enabling an Integrated Resource Planning (IRP) exercise in 2019. Discussions on carbon policy amendments and equivalency agreements between Nova Scotia and the Canadian government are ongoing.

2020-2022 DSM IG IR-05 Attachment 1 Page 28 of 158 REDACTED (CONFIDENTIAL INFORMATION REMOVED)

AI summary This redacted page from a Nova Scotia regulatory proceeding relates to Demand Side Management (DSM) under the Integrated Resource Planning (IR-05) process. It is part of a 158-page attachment submitted to the Nova Scotia Utility and Review Board (NSUARB) by Nova Scotia Power Inc. (NSPI).

1 5.0 QUEUED SYSTEM IMPACT STUDIES 2 3 [Figure 12](#page-35-1) below provides the current combined Transmission and Distribution Advanced 4 Stage Interconnection Queue. 5

AI summary The document discusses queued system impact studies (SIS) under Nova Scotia's regulatory process, referencing a combined transmission and distribution interconnection queue. Key entities include the Nova Scotia Utility and Review Board (NSUARB) and Nova Scotia Power Inc. (NSPI), with focus on interconnection programs like ERIS and NRIS.

6 Figure 12: Combined Transmission & Distribution Advanced Stage Interconnection 7 Queue of June 29, 2018 Combined T/D Advanced Stage Interconnection Request Queue Publish Date: Wednesday, May 16, 2018 Queue Order IR# Request Date DD MMM Y...

AI summary The document presents a queue of advanced stage interconnection requests for combined transmission and distribution systems as of June 29, 2018. It includes details such as project numbers, request dates, counties, power capacities, interconnection points, types of projects, service dates, and statuses.

2020-2022 DSM IG IR-05 Attachment 1 Page 30 of 158 REDACTED (CONFIDENTIAL INFORMATION REMOVED)

AI summary This document is part of a Nova Scotia regulatory proceeding related to Demand Side Management (DSM) and energy planning. It references key entities such as NSUARB, NSPI, and NSPSO, along with programs like RES and IRP. The text is redacted, with confidential information removed.

2020-2022 DSM IG IR-05 Attachment 1 Page 41 of 158 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 1 neighboring Planning Coordinator Areas, transmission transfer 2 capabilities, and capacity and/or load relief from available operating 3 proce...

AI summary The 2014 IRP LOLE study confirmed NS Power's 20% PRM meets NPCC reliability criteria. NS Power updates PRM via IRP processes, verifying compliance annually. PRM ensures minimum firm generation but does not account for optimal capacity needs determined through IRP.

22 7.3.1 Wind Capacity Contribution 23 24 NS Power continues to evaluate the coincidence of wind generation with peak load on an 25 annual basis to better understand the Effective Load Carrying Capability (ELCC) or 26 capacity value of win...

AI summary NS Power evaluates wind generation's coincidence with peak load annually to determine Effective Load Carrying Capability (ELCC), which influences the firm capacity credit for wind assets. The capacity value is dynamic, dependent on wind penetration and system characteristics.

2020-2022 DSM IG IR-05 Attachment 1 Page 43 of 158 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 1 preparation for the next IRP, NS Power has been conducting a revised LOLE study to 2 evaluate the capacity value of wind, as well as the durat...

AI summary NS Power is conducting a revised LOLE study to evaluate wind capacity value and storage duration requirements for the NS Power system, using a comprehensive modeling approach. The 17% historical wind capacity value is used for this year's report, while future planning will address decreasing marginal capacity values due to saturation effects. ERIS wind resources are referenced in Section 7.3.1.1.

21 7.3.1.1 Energy Resource Interconnection Service Connected Resources 22 23 In the 2017 10 Year System Outlook Report, NS Power advised it was conducting a study 24 to determine the potential capacity contribution of ERIS facilities based...

AI summary NS Power conducted a study in 2017 to assess the capacity contribution of ERIS facilities. The study concluded that existing ERIS facilities can function as NRIS facilities, contributing to system capacity without requiring additional upgrades, based on current system conditions.

2020-2022 DSM IG IR-05 Attachment 1 Page 44 of 158 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 1 Link energy across Nova Scotia contributed to the change to ERIS facility capacity 2 treatment. 3 4 Consistent with this and for the purposes...

AI summary NS Power adjusted the capacity value of wind resources to 17%, adding 28 MW of capacity. This change is deemed material, with uncertainties around integrating wind with transmission resources. NS Power will refine estimates in future reports and evaluate storage capacity for LOLE studies to inform resource planning.

2020-2022 DSM IG IR-05 Attachment 1 Page 46 of 158 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 1 As stated by Synapse, other considerations may dictate the most economic generating 2 capacity for the system; therefore, any surplus capacity...

AI summary Synapse argues that surplus capacity in the system does not necessarily indicate that unit retirements are optimal or feasible, as these units may provide additional value beyond generation. The optimal capacity requirement and retirement decisions should be determined through long-term planning exercises like Integrated Resource Planning (IRP).

2020-2022 DSM IG IR-05 Attachment 1 Page 48 of 158 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 1 [Figure 23](#page-55-0) is a graphical representation of the assessment completed in [Figure 22](#page-54-0) above. 2 It provides a breakdown...

AI summary Figure 23 illustrates the forecasted system demand and planning reserve margin for 2020-2022, detailing how system capacity will meet demand. It builds on the analysis from Figure 22, focusing on firm capacity and peak demand relationships.

2020-2022 DSM IG IR-05 Attachment 1 Page 49 of 158 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 1 NS Power performs an assessment of operational resource adequacy covering an 18- 2 month period twice a year (in April and October proceeding...

AI summary NS Power conducts biannual operational resource adequacy assessments covering 18 months, aligning with NERC standards and NPCC working groups. Reports are published on the NSPSO's OASIS site, with a figure illustrating the most recent 18-month load and capacity assessment.

1 8.0 TRANSMISSION PLANNING 2

AI summary The section titled '8.0 TRANSMISSION PLANNING' outlines regulatory considerations for transmission infrastructure in Nova Scotia. Key entities involved include Nova Scotia Power Inc. and regulatory bodies like the NSUARB. The context includes acronyms related to energy planning, interconnection, and reliability standards.

3 8.1 System Description 4 5 The existing transmission system has approximately 5,220 km of transmission lines at 6 voltages at the 69 kV, 138 kV, 230 kV and 345 kV levels. The configuration of the NS 7 Power transmission system and major...

AI summary The NS Power transmission system includes 5,220 km of lines at 69 kV, 138 kV, 230 kV, and 345 kV. The 345 kV system has 468 km of lines, while the 230 kV system spans 1,271 km. Figure 25 illustrates major facilities in service as of 2018.

1 9.0 REGIONAL DEVELOPMENT 2 3 9.1 Maritime Link

AI summary The section titled '9.0 REGIONAL DEVELOPMENT' introduces the topic of regional development, with a subsection '9.1 Maritime Link' indicating a focus on regional infrastructure or connectivity, likely related to energy systems or transportation.

2020-2022 DSM IG IR-05 Attachment 1 Page 59 of 158 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 1 In 2018, line L-6513 between Onslow and Springhill will be rebuilt and re-named as L-2 6613. This work will impact the current import and expo...

AI summary In 2018, line L-6513 between Onslow and Springhill will be rebuilt and renamed as L-2 6613, which will affect current import and export levels with New Brunswick.

2020-2022 DSM IG IR-05 Attachment 1 Page 62 of 158 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 1 10.0 TRANSMISSION DEVELOPMENT 2017 TO 2026 2 3 10.1 Transmission Development Plans 4 5 Transmission development plans are summarized below. As...

AI summary Transmission development plans for 2017–2026 include projects like the Canso Causeway upgrade, Spider Lake substation completion, and NPCC BPS compliance efforts. These projects aim to increase export capacity, relieve generation constraints, and enhance reliability, with some tied to the Maritime Link project. (CI references indicate redacted confidential information)

2020-2022 DSM IG IR-05 Attachment 1 Page 64 of 158 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 1 the L-6014 capacity that will be displaced with the removal of the Harbour 2 Crossing. The new infrastructure will need to be in service in 20...

AI summary The text discusses infrastructure projects related to transmission right of way widening and the installation of new electrical supply systems, including compliance gaps in the Bulk Electricity System (BES) at Nova Scotia Power, such as the refurbishment of a Static Var Compensator (SVC) at the 120H Brushy Hill substation.

2020-2022 DSM IG IR-05 Attachment 1 Page 66 of 158 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 1 Compliance work for newly identified BES elements shall be completed within five years 2 from the date of this Order. 3 4 10.3 Western Valley...

AI summary The document outlines compliance requirements for BES elements within five years and details a 2017 study on Western Valley Transmission System upgrades. Issues include aging 69kV lines, clearance violations, and thermal capacity challenges due to new generation resources like wind and COMFIT. The study highlights infrastructure aging and changing transmission flows.

1 11.0 CONCLUSION 2 3 Customers count on NS Power for energy to power every moment of every day, and for 4 solutions to power a sustainable tomorrow. Environmental legislation in Canada and 5 Nova Scotia continues to drive a transformation...

AI summary NS Power outlines its commitment to adapting to environmental legislation, reducing emissions, and increasing renewable energy use. It supports Synapse's recommendations on thermal generation optimization but emphasizes uncertainty around carbon policy, advocating for Integrated Resource Planning (IRP) in 2019. The report highlights the need for flexibility in conventional power systems due to renewable integration.

2020-2022 DSM IG IR-05 Attachment 1 Page 70 of 158 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 1 review and refine the main drivers of resource planning requirements, such as the end-use 2 forecasting methodology for forecasting firm peak...

AI summary The text outlines resource planning requirements for NS Power, emphasizing load forecasting, evaluation of wind and ERIS resources, and planning reserve margins. It clarifies that capacity assessments meet NPCC reliability criteria, not optimal capacity, which is determined via IRP. Transmission planning includes Maritime Link and reliability standards.

2018 10 Year System Outlook Report Appendix A Page 1 of 4 2020-2022 DSM IG IR-05 Attachment 1 Page 71 of 158 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2014 IRP Action Item IRP Reference 2018 10YSO Report Reference Status Continue to deve...

AI summary The 2018 10 Year System Outlook Report Appendix A discusses the continuation of efforts to understand operational challenges related to variable generation integration, as part of the Integrated Resource Planning (IRP) process, and the need to report findings to the Nova Scotia Utility and Review Board (NSUARB).

Executive Summary This study was initiated to determine if the Effective Load Carrying Capability (ELCC) of existing Energy Resource Interconnection Service (ERIS) wind generating facilities within Nova Scotia can be counted toward resourc...

AI summary This study assesses the impact of Maritime Link network upgrades on the ELCC of ERIS wind facilities in Nova Scotia. It confirms no transmission violations under various scenarios, validates short circuit levels, and concludes existing ERIS facilities can contribute to ELCC calculations. No additional upgrades are required, and CFA analysis suggests an 8% ELCC with 48.8MW contribution from 610MW of wind resources.

1.1 Scope This report presents the results of the study with the objective of assessing the impact of Maritime Link Network Upgrades on existing ERIS wind generation facilities connected to the Nova Scotia transmission system. In particula...

AI summary This study assesses the impact of Maritime Link Network Upgrades on ERIS wind generation facilities in Nova Scotia, focusing on short circuit analysis, thermal overload checks, and stability analysis. It also provides a non-binding cost estimate for upgrades needed to operate ERIS facilities like NRIS facilities.

2018 10 Year System Outlook Report Appendix B Page 10 of 84 2020-2022 DSM IG IR-05 Attachment 1 Page 84 of 158 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2017 NRIS Wind Study In order to connect to the transmission system, the majority of...

AI summary The 2017 NRIS Wind Study discusses the interconnection of facilities under the Standard Generator Interconnection Procedures (GIP) approved by the Nova Scotia Utility and Review Board. Some projects were studied before the GIP's effective date and are classified as NRIS, while others are classified as ERIS and located on key parts of the transmission system impacted by the Maritime Link project.

1.4 Expected Generation Facilities All in-service transmission connected generation facilities are included in the study. As of November 2017, NSPI's Advanced Stage Generation Interconnection Request queue included four transmission genera...

AI summary The study includes all in-service transmission-connected generation facilities. As of November 2017, NSPI's queue had four transmission generation projects. Expected projects before 2021 include 14.1 MW wind and 13 MW tidal generation (2MW, 5MW, 6MW).

1.6 Expected Export Transmission Service Facilities The transmission service request TSR-400 for firm Point to Point Service between NS and NB was included in base case scenario models. TSR-400 calls for Firm export capacity of 330MW betwe...

AI summary The document outlines TSR-400, a transmission service request for 330MW and 150MW firm export capacity between Nova Scotia and New Brunswick during specific periods. Firm transfers are contingent on the Maritime Link project and Muskrat Falls Hydro facility completion, with the latter expected to provide full power by 2020.

1.7 Base Case Development The system representation used in the base cases for this study was developed jointly with NBP for the Maritimes area from the update of MMWG 2014 Series MMWG 2020 base cases. The projects planned for installation...

AI summary The base case development involved collaboration with NBP to update Maritimes area system representations from MMWG 2014 to 2020 base cases, incorporating projects like network upgrades, protection systems, and capacitor banks between 2017-2021.

1.8 Assumptions The study was performed using the following assumptions: - 1. NSPI's transmission line ratings as posted on NSPI's Intranet, including any projected line upgrades for the periods under study. - 2. Committed generation as li...

AI summary The study assumes NSPI's transmission line ratings, committed generation modeling, active transmission elements including capacitors and SVC, completed Maritime Link upgrades, and SPS readiness to manage up to 330 MW contingencies. COMFIT generation is treated as negative load, with 185 MW of wind generation already connected.

3.0 Technical Analysis

AI summary The document section '3.0 Technical Analysis' outlines a regulatory proceeding involving Nova Scotia's utility sector, referencing numerous acronyms related to energy planning, grid management, and regulatory bodies. Key entities include Nova Scotia Power Inc. and the Nova Scotia Utility and Review Board, with topics focusing on technical infrastructure and interconnection standards.

3.2.1 Base Cases Table #4 shows the complete list of base cases used within this study. Base cases included Winter Peak, Summer Peak, and Light Load scenario's under a variety of import and export conditions. 1-line diagrams for each stead...

AI summary The section introduces the base cases used in the study, which include Winter Peak, Summer Peak, and Light Load scenarios under various import and export conditions. One-line diagrams for each steady-state base case are provided in Appendix D.

2020-2022 DSM IG IR-05 Attachment 1 Page 91 of 158 2018 10 Year System Outlook Report Appendix B Page 17 of 84 BES /BPS Ele men ts Load Flow Continge encies 345kV х 67N, 67N-815, NSX1 G9 NSX Lo 34367 67N, 67N-815, NSX2 G9 NSX Hi 67N, 67N-8...

AI summary The text presents a table with information on the BES (Bulk Electric System) and various load flow contingencies, including elements like 345kV, 138kV, 230kV, and specific nodes such as 67N, 79N, and 91N. It outlines connections, contingencies, and associated load flow details for different voltage levels and locations.

4.0 Resource Adequacy The analysis of Section 3 of this report indicates that ERIS designated transmission interconnected wind generation facilities may be included with the NRIS facilities in the calculation of Resource Adequacy from a sy...

AI summary The analysis confirms that ERIS wind generation and NRIS facilities can be included in resource adequacy calculations post-Maritime Link upgrades, which removed transmission constraints. NSPI is reviewing two methods to determine ELCC contribution from existing wind resources, as detailed in the 2017 10 Year System Outlook report.

Appendix D Steady State Cases – Load Flow Diagrams 2020-2022 DSM IG IR-05 Attachment 1 Page 134 of 158 2018 10 Year System Outlook Report Appendix B Page 60 of 84 2020-2022 DSM IG IR-05 Attachment 1 Page 135 of 158 2018 10 Year System Outl...

AI summary This document contains appendices with load flow diagrams and references to various reports and studies, including the 2018 10 Year System Outlook Report and the 2017 NRIS Wind Study. It includes pages from the 2020-2022 DSM IG IR-05 Attachment 1 and mentions redacted confidential information.

2020-2022 DSM IG IR-05 Attachment 1 Page 148 of 158 2018 10 Year System Outlook Report Appendix B Page 74 of 84 El- men +c I Load Flow Conting oncios d Flow Case out. ,,,,,,, penuix D 67N х 67N, 67N-711, G0 - ok ok ok ok ok ok ok ok ok ok...

AI summary The text presents a table related to load flow contingencies and system outlook reports, focusing on various infrastructure elements such as lines, generators, and load flow cases. The content appears to be part of a technical analysis for system planning and reliability.

2020-2022 DSM IG IR-05 Attachment 1 Page 153 of 158 2018 10 Year System Outlook Report Appendix B Page 79 of 84 2016 B DS/ RFS Flai mant 2021 Dynamics Conti ngencies ngencies S ,,,,,, ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, rage 17 2010 B...

AI summary The text presents a table with data from a 2018 10 Year System Outlook Report, including details about various stations, equipment, and system dynamics for different years and scenarios. The table includes information on station components, system performance, and various system outlook scenarios.

Appendix I Stability Results 2021WIN Cases 2020-2022 Demand Side Management (DSM) Resource Plan (NSUARB M09096) NSPI Responses to Industrial Group Information Requests

AI summary The document references the 2020-2022 Demand Side Management (DSM) Resource Plan under NSUARB matter M09096 and NSPI's responses to Industrial Group information requests.

NON-CONFIDENTIAL 1 Request IR-9: 2 3 The 2014 IRP discussed operational advantages from lower levels of DSM investment 4 through to 2030 including minimum curtailment, minimal uneconomic exports of excess 5 energy and maximum economic Mari...

AI summary The 2014 Integrated Resource Plan (IRP) outlined operational benefits from lower levels of Demand Side Management (DSM) investment up to 2030. The response confirms these advantages remain valid, noting that higher DSM spending would reduce them. Increased DSM funding may also limit NS Power's ability to purchase surplus energy from Nalcor and could lead to higher renewable curtailment and uneconomic exports as more renewable sources are integrated.

2020-2022 Demand Side Management (DSM) Resource Plan (NSUARB M09096) NSPI Responses to NSUARB Information Requests 1 Request IR-2: 2 3 Also on page 6, NS Power stated that it is not forecasting new baseload generation in the 4 near and mid...

AI summary NS Power deferred the combustion turbine forecast from the 2014 IRP due to updated load forecasts that did not show a firm peak increase requiring new capacity. They are not forecasting a need for a new combustion turbine within the next 10 years.

CONFIDENTIAL (Attachment Only) 1 (b) The Company does not have an updated long-term resource plan from which to calculate 2 avoided energy and capacity costs for DSM; therefore, the 2014 IRP avoided costs are 3 still the most recent calcul...

AI summary NSP lacks an updated long-term resource plan to calculate DSM avoided costs, relying on 2014 IRP data. It proposes using marginal costs as a proxy until a new resource plan is completed. Discrepancies between 2014 avoided costs and updated marginal costs are expected due to changes in load and system outlook. References include NSUARB IR-1 and a confidential attachment.

Date Filed: May 13, 2019 & lt;sup>1 NS Power 2019 Load Forecast Report, April 30, 2019 (M09191)

AI summary The document references the NS Power 2019 Load Forecast Report, filed on April 30, 2019, as part of a regulatory proceeding. It provides context for load forecasting, which is relevant to planning and resource management in the electricity sector.

2.0 BACKGROUND [11] Board approval is required under s. 79L of the PUA of any agreement for the supply of electricity efficiency and conservation activities. A mutually finalized agreement is contemplated in the PUA ; however, provision is...

AI summary E1 applied for Board approval of a DSM plan, including a Preferred Plan with $43M annual spending and energy savings, and an Alternate Scenario. NS Power opposed, arguing the plan's cost is too high, rate impacts are significant, and it doesn't align with the 2014 IRP. The Board previously directed E1 to provide alternate scenarios.

ommended in the 2014 IRP. The Board considered that this met the test of affordability "...while at the same time recognizing the overarching principle of what is in the best interests of ratepayers." [26] The Consensus Agreement maintains...

AI summary The document discusses DSM spending levels for 2020-2022, comparing the Consensus Agreement and Preferred Plan. The Board found the Consensus Agreement affordable but noted concerns about insufficient spending for climate-resilient energy efficiency. E1 supported the Preferred Plan, aligning with the 2014 IRP, while EAC and AEC argued for higher funding due to climate change impacts. The Board acknowledged stakeholder support for increased spending.

eneral Rate Application subject to UARB approval. NS Power agrees to support adoption of this methodology in a manner that does not result in additional material regulatory burden being imposed on E1. - 6. The HST Refund, together with any...

AI summary NS Power agrees to support a methodology for the HST Refund return via FAM without additional regulatory burden. DSMAG will revise terms of reference for DSM Plans, focusing on stakeholder engagement, avoided cost updates, and affordability criteria. If unresolved by June 30, 2020, UARB will determine the terms.

Document: 268936 Date Filed: April 29, 2019 Synapse (E1) Page 1 of 11 1 2 Request IR-1: programs. costs of Please describe how EfficiencyOne proposes to recover the its proposed 3 a. Over what time period would costs be recovered? 4 b. cos...

AI summary The document contains requests for information regarding EfficiencyOne's proposed cost recovery for its Demand Side Management (DSM) programs, including time periods for recovery, allocation of costs to rate classes, and the process for recovering expenses. It also asks about changes in the energy landscape since 2014, the impact on integrated resource plans, and operational constraints related to DSM.

Request IR -5 Please provide the avoided costs used to develop the efficiency scenarios in the 2014 IRP.

AI summary The document requests the avoided costs used in the 2014 Integrated Resource Plan (IRP) efficiency scenarios. Nova Scotia Power Inc. (NS Power) is the organization involved in this regulatory proceeding.

Request IR-6 Please provide the avoided costs used in the 2014 IRP.

AI summary The text is a request for the avoided costs used in the 2014 Integrated Resource Plan (IRP) as part of a regulatory proceeding. The requester is seeking specific data related to avoided costs from that year's plan.

James R. Gogan Direct Dial: (902) 563-5920 E-Mail: [email protected] File No. 41736-72 May 13, 2019 Nova Scotia Utility & Review Board PO Box 1692, Unit "M" Halifax, Nova Scotia B3J 3S3 Attention: Doreen Friis, Regulatory Affairs Offi...

AI summary EfficiencyOne submits responses to information requests related to its application for approval of a supply agreement with Nova Scotia Power (NS Power) and the 2020–2022 Demand Side Management (DSM) Resource Plan. The proceeding involves multiple stakeholders, including regulatory staff, advocates, and industry groups.

May 13, 2019 Doreen Friis Regulatory Affairs Officer/Clerk Nova Scotia Utility and Review Board 1601 Lower Water Street, 3rd Floor P.O. Box 1692, Unit "M" Halifax, NS B3J 3S3 Re: DSM 2020-2020 Resource Plan and Supply Agreement Information...

AI summary Nova Scotia Power Inc. (NS Power) submitted responses to information requests (IRs) from multiple stakeholders, including the Affordable Energy Coalition, Consumer Advocate, and others, regarding the DSM 2020-2020 Resource Plan and Supply Agreement. The matter is referenced as M09096.

M09096 - DSM 2020-2022 Resource Plan and Supply Agreement The Board panel assigned to this matter, Peter W. Gurnham, Q.C., Chair, Roberta J. Clarke, Q.C., Member and Steven M. Murphy, MBA, P.Eng., Member, has reviewed NS Power's Confidenti...

AI summary The Board approves NS Power's Confidentiality Undertaking and print exemption request for the DSM 2020-2022 Resource Plan and Supply Agreement, reserving the right to request hard copies if necessary.

James R. Gogan Direct Dial: (902) 563-5920 E-Mail: [email protected] File No. 41736-72 June 6, 2019 Nova Scotia Utility & Review Board PO Box 1692, Unit "M" Halifax, Nova Scotia B3J 3S3 Attention: Doreen Friis, Regulatory Affairs Offi...

AI summary EfficiencyOne and Nova Scotia Power (NS Power) have reached agreement on the 2020–2022 Demand Side Management (DSM) Resource Plan and Supply Agreement. The Consensus Agreement, signed by EfficiencyOne, NS Power, and other stakeholders, is submitted to the Nova Scotia Utility & Review Board. A Settlement Agreement with Heritage Gas Limited is also included.

Issues 4, 5, 6 and 7 – Proposed Resource Plan, Alternate Scenario, Relationship to IRP and Performance Targets (excepting natural gas issue) The Parties agree the 2020-2022 DSM Plan will be delivered in accordance with the Alternate scenar...

AI summary The Parties agree to implement the 2020-2022 DSM Plan under the Alternate scenario, with a total budget of $110 million, delivering energy and peak demand savings. The DSM Advisory Group will be enhanced to address affordability, avoided cost analysis, and the relationship between DSM and IRP. A referral mechanism to the UARB is included if issues remain unresolved.

FINAL SUBMISSIONS ON BEHALF OF THE ECOLOGY ACTION CENTRE Submitted: Jul 4, 2019 Emma Norton Energy Conservation Coordinator Ecology Action Centre 2705 Fern Lane Halifax, NS B3K 4L3 Phone: (902) 240-6696 E-mail: [email protected]...

AI summary The Ecology Action Centre (EAC) opposes the Consensus Agreement between EfficiencyOne and Nova Scotia Power Inc., arguing that proposed DSM levels are below cost-effective thresholds from 2014 and 2018 reports. EAC supports Philip Mosenthal's recommendation for 2%/year energy efficiency, emphasizing that rate impacts should not override overall benefits of DSM.

1 3. INTEGRATED RESOURCE PLAN 2 If the NSUARB approves the Consensus Agreement as filed, then it will not be necessary to make 3 a determination as to whether the 2014 Integrated Resource Plan (IRP) ought to have informed the 4 development...

AI summary EfficiencyOne emphasizes the importance of Integrated Resource Plans (IRPs) in guiding Demand Side Management (DSM) planning, arguing that recent IRP results should inform future DSM investments. Despite stakeholder concerns about the 2014 IRP's age, EfficiencyOne supports a Consensus Agreement with a lower DSM investment level based on IRP outcomes, while maintaining that IRPs remain foundational for utility planning. The NSUARB's role in approving the Consensus Agreement is noted, with a reference to Board Order M09096.

ommended in the 2014 IRP. The Board considered that this met the test of affordability "...while at the same time recognizing the overarching principle of what is in the best interests of ratepayers." [26] The Consensus Agreement maintains...

AI summary The Board evaluated DSM spending levels for 2020-2022, noting the Consensus Agreement's spending aligns with past underspending but faces criticism for being insufficient. E1 supported the Preferred Plan due to future program challenges, while EAC and AEC argued higher spending is needed for climate resilience. The Board observed mixed support, with some stakeholders emphasizing the need for updated IRP guidance.

3.8 DSM Advisory Group - [56] The Consensus Agreement noted that the existing DSMAG will develop revised Terms of Reference that will enhance the development of future DSM applications including: - 7. The existing DSMAG will develop revise...

AI summary The DSM Advisory Group (DSMAG) revises its Terms of Reference to enhance future DSM applications, including stakeholder collaboration with UARB, avoided cost methodology, affordability criteria, and Mi'kmaq representation. The Board approves these changes, emphasizing stakeholder engagement and inclusive planning processes.

eneral Rate Application subject to UARB approval. NS Power agrees to support adoption of this methodology in a manner that does not result in additional material regulatory burden being imposed on E1. - 6. The HST Refund, together with any...

AI summary NS Power and E1 agree on a rate application methodology under UARB approval. The HST Refund, totaling $15,277,651.23, will be returned to customers via FAM. DSMAG will revise terms of reference for DSM Plans, focusing on stakeholder engagement, avoided cost updates, and affordability criteria. If consensus isn't reached by June 30, 2020, UARB will determine the terms.

3. ISSUES

AI summary The document outlines regulatory issues related to Demand Side Management (DSM), Total Resource Cost Test (TRC), Program Administrator Cost Test (PAC), and Integrated Resource Plan (IRP) under the jurisdiction of the Nova Scotia Utility and Review Board (NSUARB). Key arguments and entities involved are not detailed in the provided text.

Appendix A 2020-2022 DSM Resource Plan

AI summary Appendix A outlines the 2020-2022 Demand Side Management (DSM) Resource Plan, focusing on energy efficiency initiatives under the Nova Scotia Utility and Review Board (NSUARB) oversight. The plan involves the Demand Side Management Advisory Group (DSMAG) and aligns with the Integrated Resource Plan (IRP) framework.

saving targets for 2020-2022. The purpose of the DSM Resource Plan is to: • outline DSM targets, objectives, performance metrics, strategies, and budgets for 2020-2022; Deeper energy savings is defined as providing ENS support to enable cu...

AI summary The DSM Resource Plan outlines energy efficiency targets, strategies, and budgets for 2020-2022, emphasizing deeper energy savings through ENS support for customer upgrades. It also describes EfficiencyOne's three-year electricity efficiency program direction and forms the basis for a DSM Supply Agreement under the Public Utilities Act.

2. DEVELOPMENT APPROACH AND DETAILS

AI summary The section outlines the development approach and details, referencing key acronyms and programs related to Nova Scotia's regulatory proceedings, including demand-side management, cost tests, and efficiency initiatives.

Annual avoided costs of energy and capacity were provided by NS Power, from the 2014 IRP using the Base level of DSM. Avoided costs of transmission and distribution were provided by NS Power in 2018. & lt;sup>a Lifetime benefits are expres...

AI summary The text discusses annual avoided costs of energy and capacity from the 2014 IRP, provided by NS Power, and explains metrics like TRC and PAC, which compare lifetime benefits to program costs. It also references EfficiencyOne's planned participation by low-income customers.

5.2.2 Enhancements in 2020-2022

AI summary Section 5.2.2 outlines regulatory enhancements in Nova Scotia from 2020-2022, focusing on demand-side management, cost allocation methodologies, and efficiency programs. Key entities include the NSUARB, ENS, and DSMAG, with acronyms related to utility regulation and energy efficiency initiatives.

8. REPORTING EfficiencyOne proposes to report on the implementation of the 2020-2022 DSM Resource Plan through Quarterly Reports and Annual Progress Reports (APR) and other reporting requirements as outlined in the Standardized Filing Fram...

AI summary EfficiencyOne proposes to report on the implementation of the 2020-2022 DSM Resource Plan through Quarterly Reports and Annual Progress Reports (APR) and other reporting requirements as outlined in the Standardized Filing Framework.

Appendix BA 2020-2022 DSM Resource Plan Redline Version

AI summary Appendix BA presents the redline version of the 2020-2022 Demand Side Management (DSM) Resource Plan, part of a regulatory proceeding under the Nova Scotia Utility and Review Board (NSUARB). The document outlines revisions to DSM strategies, cost allocation methodologies, and compliance with efficiency programs.

Figure 1: Development Process for the 2020-2022 DSM Resource Plan 10 11 The Preferred Plan was developed with an emphasis on producing achievable costeffective results that balance long term requirements for energy and system peak demand s...

AI summary The 2020-2022 DSM Resource Plan emphasizes cost-effective outcomes balancing long-term energy needs and system peak demand savings through a balanced portfolio approach. The Preferred Plan prioritizes achievable results in energy and demand management strategies.

The evidence used to inform the development of the key considerations relied on 1 several sources including but not limited to: 2 results of Nova Scotia Power Inc.'s (NS Power) 2014 Integrated Resource • 3 Planning (IRP) Process; 4 past No...

AI summary The evidence relied on includes past IRP processes, NSUARB decisions, DSM resource plans, and stakeholder input. The Preferred Plan aims to reduce utility costs and achieve energy savings aligned with the 2014 IRP. It emphasizes affordability, diversity in energy savings, and bill impacts, showing minor rate increases and significant long-term benefits.

Modelling The "Model" is a DSM portfolio design tool used to inform EfficiencyOne's DSM Resource Plans. EfficiencyOne engaged Navigant Consulting to provide its ProCESS short-term DSM planning tool for these purposes. Navigant's ProCESS mo...

AI summary EfficiencyOne transitioned from Navigant's ELRAM model to the ProCESS tool for short-term DSM planning, citing benefits like improved model structure and portfolio optimization. The ProCESS model, built on Analytica® software, focuses on short-term planning and excludes customer behavior prediction, making it more suitable for DSM plans. Input data included technical measure details and financial parameters, with optimization tools used to explore measure mixes.

8 11 12 13 15 Currency is expressed in nominal dollars. Columns may not add correctly, due to rounding. Annual avoided costs of energy and capacity were provided by NS Power, from the 2014 IRP using the Base level of DSM. Avoided costs of...

AI summary The text discusses annual avoided costs of energy and capacity from the 2014 Integrated Resource Plan (IRP) and 2018 transmission and distribution costs provided by NS Power. It also outlines how portfolio total cost-effectiveness tests are calculated using present value of benefits and costs.

Annual avoided costs of energy and capacity were provided by NS Power, from the 2014 IRP using the Base level of DSM. Avoided costs of transmission and distribution were provided by NS Power in 2018. DATE FILED: February 28, 2019 August 27...

AI summary Annual avoided costs of energy and capacity were provided by NS Power using the 2014 IRP and Base level of DSM. Avoided costs of transmission and distribution were provided in 2018. The text also explains metrics like TRC and PAC, which compare lifetime benefits to program costs.

Annual avoided costs of energy and capacity were provided by NS Power, from the 2014 IRP using the Base level of DSM. Avoided costs of transmission and distribution were provided by NS Power in 2018. \ Lifetime benefits are expressed as th...

AI summary The text discusses annual avoided costs of energy and capacity from NS Power's 2014 IRP, including transmission and distribution costs from 2018. It also introduces metrics like b-TRC and PAC, which compare lifetime benefits to costs, and highlights EfficiencyOne's planned participation by low-income customers in various programs.

Annual avoided costs of energy and capacity were provided by NS Power, from the 2014 IRP using the Base level of DSM. Avoided costs of transmission and distribution were provided by NS Power in 2018. a Lifetime benefits are expressed as th...

AI summary The document discusses annual avoided costs of energy and capacity from NS Power's 2014 Integrated Resource Plan (IRP) and provides details on how lifetime benefits are calculated using net present value and the Total Resource Cost (TRC) and Program Administrator Cost (PAC) ratios. It also references EfficiencyOne's planned participation by low-income customers.

Annual avoided costs of energy and capacity were provided by NS Power, from the 2014 IRP using the Base level of DSM. Avoided costs of transmission and distribution were provided by NS Power in 2018. \ Lifetime benefits are expressed as th...

AI summary The text discusses annual avoided costs of energy and capacity from the 2014 IRP using the Base level of DSM, as well as avoided costs of transmission and distribution from 2018. It also explains the calculation of lifetime benefits using net present value and introduces TRC and PAC as benefit/cost ratios for evaluating program effectiveness.

Annual avoided costs of energy and capacity were provided by NS Power, from the 2014 IRP using the Base level of DSM. Avoided costs of transmission and distribution were provided by NS Power in 2018. & lt;sup>a Lifetime benefits are expres...

AI summary The document provides annual avoided costs of energy and capacity from NS Power's 2014 IRP using the Base level of DSM, as well as avoided costs of transmission and distribution from 2018. It also explains metrics such as TRC, PAC, and how lifetime benefits are calculated using utility WACC.

4.3.64.2.6 Implementation Strategy

AI summary The section outlines the implementation strategy for demand-side management and related programs under Nova Scotia regulatory oversight, involving entities like NSUARB and ENS, with focus on cost allocation, evaluation, and compliance with regulatory tests.

5.1.6 Implementation Strategy

AI summary The section outlines the implementation strategy for demand-side management programs, involving the NSUARB and other regulatory bodies, with references to various acronyms related to energy efficiency and cost allocation methodologies.

Annual avoided costs of energy and capacity were provided by NS Power, from the 2014 IRP using the Base level of DSM. Avoided costs of transmission and distribution were provided by NS Power in 2018. Total cost-effectiveness tests are calc...

AI summary The text discusses annual avoided costs of energy and capacity from the 2014 IRP, as well as avoided costs of transmission and distribution from 2018. It outlines methods for calculating cost-effectiveness tests and defines key terms like TRC and PAC, which are benefit/cost ratios used in evaluating energy efficiency programs.

Demand ReductionResponse Demand response initiatives will be introduced as part of the broader DSM portfolio in the DSM Resource Plan. EfficiencyOne and NS Power will be working closely on the development, assessment and evaluation of dema...

AI summary Demand response initiatives are integrated into the DSM portfolio under the Preferred Plan, building on a 2019 pilot. EfficiencyOne and NS Power collaborate on development and evaluation. The Custom Program supports system-peak demand savings through incentives for feasibility studies, direct financial support, and financing options.

5.2.9 Program Alternatives 5 6 7 9 10 1112 13 14 15 EfficiencyOne considered the same key principles in both the development of the 2020-2022 Preferred DSM Resource Plan and alternate scenario. The significant difference between the Altern...

AI summary EfficiencyOne developed both the 2020-2022 Preferred DSM Resource Plan and an alternate scenario with lower participation levels due to reduced energy savings and investment. Table 21 compares the Custom Incentives program's performance indicators between the two plans.

Project Scope The scope of the study will include: - Review of the DSM planning process at EfficiencyOne including the key considerations used to inform the development of DSM Plans; - Identify where key sources of information are gathered...

AI summary The study's scope includes reviewing EfficiencyOne's DSM planning process, identifying information sources for DSM plans, assessing plan implementation, evaluating constraints and parameters, and examining continuous DSM performance monitoring throughout the plan term.

SCHEDULEE 2020-2022 DSMResource Plan

AI summary The document outlines the 2020-2022 DSMResource Plan, focusing on Demand Side Management initiatives by Nova Scotia Power and Nova Scotia Power Incorporated. The plan's details are partially illustrated in an image referenced in the text.

NSUARB Question 2: What are the factors that led to a historic overestimation? In consideration of Question 2, we noted the following circumstances related to 2015 and 2016-2018: - − EfficiencyOne identified that it relied heavily on a thi...

AI summary EfficiencyOne's reliance on a third-party modeller (Navigant) for the 2016-2018 DSM Plan contributed to overestimation. Limited Canadian comparables forced reliance on US-based Efficiency Vermont and Maine. The single planning process for 2016-2018 led to underspending, though estimates were part of a unified plan approved by the NSUARB.

3. Whether the factors that led to the overestimation continue to be present in EfficiencyOne's current operating environment KPMG worked with EfficiencyOne to assess whether the factors that resulted in variances in the past, as identifie...

AI summary KPMG assesses whether past factors causing variances in EfficiencyOne's DSM planning remain present, noting EfficiencyOne's improved maturity since 2015. The NSUARB focused on post-2015 plans, while context is provided for the 2013-2015 ENSC Plan. A jurisdictional review of Efficiency Vermont and Efficiency Maine Trust informs the analysis.

5.1 Response to NSUARB Question 3 To respond to this question, we considered the factors noted in Question 3 in the context of whether these factors continue to be present in EfficiencyOne's operating environment. We did note that beginnin...

AI summary EfficiencyOne responds to NSUARB's Question 3 by identifying ongoing factors contributing to overestimation in DSM planning, categorizing them into environmental, regulatory, and management-related factors. It highlights improved planning maturity, third-party expertise, historical data use, and the NSUARB-approved Standardized Filing Framework as mitigating factors.

7 2013-2015 DSM Resource Plan – Approach and results

AI summary The 2013-2015 DSM Resource Plan outlines Nova Scotia Power's approach and results for demand-side management initiatives. The plan focuses on energy efficiency programs, cost recovery mechanisms, and regulatory oversight by the NSUARB.

Overview of 2016-2018 DSM Resource Plan development For the development of the 2016-2018 DSM Resource Plan, EfficiencyOne engaged Navigant Consulting to provide planning and modelling support. The following outlines the methodology underta...

AI summary EfficiencyOne hired Navigant Consulting to support the 2016-2018 DSM Resource Plan development, focusing on estimating incentive, administrative, and enabling strategy costs. The methodology for these cost estimations is outlined in the document.

2016-2018 Enabling Strategies – approach by EfficiencyOne The level of investment for the 2016-2018 Enabling Strategies was informed by the 2014 actual spending level. The Enabling Strategies costs are not part of the modelling process. Ef...

AI summary EfficiencyOne's 2016-2018 Enabling Strategies investment was based on 2014 spending levels, adjusted for new initiatives and DSM Resource Plan development costs. The NSUARB mandated 14%-18% annual reductions in Enabling Strategies while preserving energy savings targets. The 2016-2018 DSM Resource Plan Compliance Filing incorporated these reductions.

Overview of 2019 DSM Resource Plan The 2019 DSM Resource Plan was a Continuation Plan and was not modelled. As outlined in the 2019 DSM Resource Plan, EfficiencyOne developed the Plan based on the average annual budget in the NSUARB approv...

AI summary The 2019 DSM Resource Plan was a Continuation Plan not modelled, based on the average annual budget from the 2016-2018 NSUARB-approved plan and a 2019 investment cap of $34.05 million, as per the Electricity Plan Implementation (2015) Act .

2019 DSM Resource Plan – approach by EfficiencyOne As a result of EfficiencyOne's decision to approach 2019 as a Continuation Plan, the 2019 DSM Resource Plan was not informed by third-party modelling. As such, there were no measure level...

AI summary EfficiencyOne treated the 2019 DSM Resource Plan as a Continuation Plan, omitting third-party modeling and measure-level inputs like incentives. Program managers used templates to document assumptions, leading to multiple Excel-based iterations of the plan.

Overview of 2020-2022 DSM Resource Plan development In the development of the 2020-2022 DSM Resource Plan, EfficiencyOne engaged Navigant Consulting to provide modelling support. EfficiencyOne worked with Navigant to determine the inputs i...

AI summary EfficiencyOne collaborated with Navigant Consulting to develop the 2020-2022 DSM Resource Plan, which underwent regulatory review by the NSUARB. The process involved modeling support and reference to prior evidence from the 2019 plan.

EfficiencyOne Performance Alignment Study April 21, 2020 The following outlines the methodology undertaken by EfficiencyOne to estimate the incentive, admin and enabling strategy costs for the 2020-2022 DSM Resource Plan.

AI summary EfficiencyOne outlines its methodology for estimating incentive, administrative, and enabling strategy costs associated with the 2020-2022 DSM Resource Plan, focusing on demand-side management initiatives in Nova Scotia.

DSM Resource Plan Development and Application The DSMAG shall provide a forum for E1 to provide detail on its programs for the benefit of Members and the sectors they represent, and to engage Members in focused and collaborative discussion...

AI summary The DSMAG will facilitate E1's program details for Members, engage them in collaborative discussions on future DSM plans, and ensure a timely engagement process before submitting a DSM Resource Plan application to the NSUARB.

Deliverables: To achieve this objective, the DSMAG shall complete the following tasks and deliverables: - Establish a framework that will facilitate future DSM Plan development by: - o Adopting a recommended format for joint filing of DSM...

AI summary The DSMAG is tasked with establishing frameworks for DSM Plan development, including updating avoided costs, evaluating reports, and setting affordability criteria under the PUA. E1 must maintain an 18-month calendar for DSMAG timelines. The process aims to streamline regulatory proceedings by resolving disputes pre-submission to the NSUARB, reducing burdens for all Members and ratepayers.

DSM Resource Plan Development and Application The DSMAG shall provide a forum for E1 to provide detail on its programs for the benefit of Members and the sectors they represent, and to engage Members in focused and collaborative discussion...

AI summary The DSMAG will facilitate E1's detailed presentation of DSM programs, engage Members in collaborative discussions, and establish a timely engagement process for future DSM plans. This process aims to ensure meaningful member participation before submitting a DSM Resource Plan application to the NSUARB.