Topic:"Integrated Resource Plan" in M11764

1 TABLE OF CONTENTS 2 3 1.0 Introduction .......................................................................................................................... 5 4 2.0 Load Forecast ........................................................

AI summary The document outlines a regulatory proceeding's table of contents, focusing on generation resources, capacity changes, and specific projects like Annapolis Tidal and Brooklyn Power. It includes sections on load forecasting, existing generation resources, and the Path to 2030 and Evergreen IRP initiatives.

1 • An updated list of Queued System Impact Studies in Section 4.0. 2 • A summary of environmental and emissions regulatory requirements, as well as forecast 3 compliance in Section 5.0. Section 5.0 also includes projections of the level o...

AI summary The document outlines updates to system impact studies, environmental compliance requirements, renewable energy projections, and transmission planning. It references NS Power's Evergreen IRP update, the Province's 2030 Clean Power Plan, and NS Power's The Path to 2030 report aligned with 2030 decarbonization goals, citing regulatory decisions M11017 and M11458.

ystem 23 planning outcomes. Evergreen IRP scenario CE1-E1-R2 (net zero 2035, current policy and trends 24 for electrification, no Atlantic Loop), in conjunction with specific projects with known timelines 25 outlined in the 2030 Clean Powe...

AI summary The 2024 10-Year System Outlook report is based on the Evergreen IRP scenario CE1-E1-R2, incorporating the 2030 Clean Power Plan and Path to 2030 report. This scenario assumes net-zero by 2035, current electrification trends, and excludes the Atlantic Loop. Detailed discussion of the IRP and reference scenario is in Section 3.2.1.

1 (f) Please explain whether NS Power agrees that it should give greater consideration to 2 improving geothermal technologies, perhaps similar to or even greater than small 3 modular nuclear reactors and tidal generation, and its reasons f...

AI summary NS Power acknowledges monitoring geothermal technologies, including EGS, alongside SMRs and tidal, but notes they are in early/pre-commercial stages. These technologies do not affect the 2030 resource plan, with future IRPs addressing developments post-2030. The 2024 ACE Plan (M11458) and Evergreen IRP are referenced.

he resource 27 development plan to 2030 as described in the 2024 10-Year System Outlook. Resource 28 plans beyond 2030 will be informed by future IRPs, where continuing developments in 29 emerging technologies can be incorporated for consi...

AI summary The text references Nova Scotia Power's 2024 10-Year System Outlook and resource development plans through 2030, noting that future Integrated Resource Plans (IRPs) will incorporate emerging technologies. It cites the 2023 Evergreen IRP and a 2024 NSUARB report (M11764) as context for resource planning.

2024 10-Year System Outlook Report (NSUARB M11764) NSPI Responses to CA Information Requests NON-CONFIDENTIAL 1 Request IR-2: 2 3 Re: Exh. N-1, p. 9 4 5 (a) Please provide the amount of peak forecast reduction associated with “adoption of...

AI summary NSPI responds to information requests (IR-2) regarding the 2024 10-Year System Outlook Report, addressing peak forecast reductions from hybrid heating scenarios, IRP Action Plan Item 4b, partnership studies, action plans, and risk mitigation strategies. The response refers to NSUARB IR-18 for part (a) details.

1 (b) As part of its 2020 IRP Action Plan, NS Power completed and published The Economics 2 of Electrification in Nova Scotia. 1 This report identified the potential for a Hybrid Peak 3 scenario in Nova Scotia and developed an estimate of...

AI summary NS Power's 2020 IRP Action Plan included a Hybrid Peak scenario, modeled in the 2023 Evergreen IRP for potential cost savings. The program was incorporated into the Province's Clean Power Plan and NS Power's 2024 ACE Plan, with alignment on accountability. Net Zero Atlantic will conduct a Hybrid Peak study in 2024 for the Department of Natural Resources and Renewables.

an to initiate a study to examine Hybrid Peak 23 options in the fall of 2024 on behalf of the Department of Natural Resources and 24 Renewables. NS Power understands that the study will include key stakeholders within the 25 province inclu...

AI summary NS Power agrees to support a 2024 study on Hybrid Peak options for Nova Scotia's energy system, involving stakeholders like EfficiencyOne and fossil fuel heating organizations. The study, commissioned by the Department of Natural Resources and Renewables, aims to model resource planning and is expected to conclude in Q2 2025.

2024 10-Year System Outlook Report (NSUARB M11764) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL 1 Request IR-1: 2 3 Referencing pages 6 and 15 of 67, NS Power stated that Evergreen scenario CE1-E1-R2 (net 4 zero 2035, cur...

AI summary NS Power selected the Evergreen CE1-E1-R2 scenario for the 2024 10-Year System Outlook Report due to its alignment with the Clean Power Plan, The Path to 2030, and the 2024 Load Forecast. Other lower-cost plans were excluded as they included the Atlantic Loop or hybrid peak scenarios not aligned with current policy and load forecasts.

1 Request IR-2: 2 3 In its decision letter of May 23, 2024, regarding NS Power’s 2023 Evergreen IRP Update 4 (Matter M11307), the Board highlighted certain Synapse recommendations and stated: 5 6 As noted by Synapse in its August 2023 comm...

AI summary The Board requested an update on NS Power's progress with Synapse's recommendations on battery energy storage and interactive clean resource analysis. NS Power has not initiated a new study but plans to update the existing capacity value study before the next IRP analysis, focusing on wind, solar, battery storage, and demand response interactions.

1 Request IR-1: 2 3 Refer to the 10-Year System Outlook (the “Report”) Section 2.0 - Load Forecast, Page 7 of 4 67. 5 6 (a) Please provide a comparison between the 2024 Load Forecast with the forecast used 7 in Evergreen IRP scenario CE1-E...

AI summary The document requests a comparison between the 2024 Load Forecast and the Evergreen IRP scenario CE1-E1-R2, including energy and peak demand differences, and asks about necessary resource adjustments. The response includes a table showing increasing energy and peak demand differences over time, implying potential changes in resource planning.

1, 2024 NON-CONFIDENTIAL 2024 10-Year System Outlook Report – Rebuttal Evidence Non-Confidential 1 TABLE OF CONTENTS 2 3 1.0 INTRODUCTION ........................................................................................................

AI summary The 2024 10-Year System Outlook Report rebuttal evidence addresses resource development delays, load growth, peaking plant regulations, and reserve margin deficiencies starting in 2031. It also covers progress on the Evergreen Integrated Resource Plan (IRP), reliability tie risks, and geothermal resource potential, with input from Small Business and Consumer Advocates.

1 1.0 INTRODUCTION 2 3 On June 27, 2024, Nova Scotia Power Incorporated (NS Power, Company) submitted its 10-Year 4 System Outlook Report (Report) to the Nova Scotia Utility and Review Board (NSUARB, Board). 5 By Hearing Order on July 26,...

AI summary NS Power submitted a 10-Year System Outlook Report to the NSUARB, prompting stakeholder interventions. The SBA noted the report's consistency with prior planning documents (Evergreen IRP, Path to 2030) but highlighted discrepancies, such as reduced wind capacity from Rate Base Procurement (306 MW vs. 373 MW). NS Power responded to IRs, with SBA and CA submissions leading to this rebuttal.

Page 8 of 16 2024 10-Year System Outlook Report – Rebuttal Evidence Non-Confidential

AI summary The 2024 10-Year System Outlook Report's rebuttal evidence addresses NS Power's response to the Integrated Resource Plan (IRP), focusing on long-term system reliability and resource planning. Key entities involved include NS Power and the NSUARB, with topics centered on IRP adequacy and grid reliability.

Non-Confidential 1 The CA goes on to ask the Board to consider encouraging “NS Power to take greater initiative in 2 the evaluation of enhanced geothermal systems.” 26 3 In response to CA IR-1, NS Power noted its commitment to monitor deve...

AI summary The CA urges NS Power to explore enhanced geothermal systems. NS Power responds that geothermal potential in Nova Scotia is limited due to geography and drilling costs, citing studies by Net Zero Atlantic. They commit to monitoring developments and engaging with the CA's identified project developer, with updates via the IRP process.

HEARING ORDER M11764 NOVA SCOTIA UTILITY AND REVIEW BOARD IN THE MATTER OF THE PUBLIC UTILITIES ACT - and - IN THE MATTER OF NOVA SCOTIA POWER INCORPORATED’s 2024 10-Year System Outlook Report BEFORE: Stephen T. McGrath, K.C., Chair Roland...

AI summary The Nova Scotia Utility and Review Board issued Hearing Order M11764 to establish a public process for commenting on NS Power's 2024 10-Year System Outlook Report. The report follows updates including the Evergreen IRP, the Province's 2030 Clean Power Plan, and NS Power's 'Path to 2030' report. A paper hearing timetable is outlined with key dates for interventions, information requests, and submissions.

best information available at the time they were prepared. This matter was reviewed by Stephen T. McGrath, K.C., Chair, Roland A. Deveau, K.C., Vice Chair, and Steven M. Murphy, MBA, P.Eng., Member. Document: 318221 -2- On August 27 and 28...

AI summary The document outlines the review of a proceeding by the Board's Chair, Vice Chair, and Member, detailing Information Requests submitted in August 2024 and subsequent responses. Key updates include NS Power's Evergreen IRP update, the Province's 2030 Clean Power Plan, and NS Power's The Path to 2030 report, aligning with decarbonization goals.

h the Board’s 2023 ACE Plan Decision (M11017), NS Power filed The Path to 2030 report, providing detailed and specific information on how the Company will achieve its 2030 obligations. NS Power stated that Evergreen IRP scenario CE1-E1-R2,...

AI summary NS Power's 2030 Clean Power Plan and The Path to 2030 report outline strategies using the Evergreen IRP scenario CE1-E1-R2 and a new intertie project. The SBA approved the System Outlook as consistent with planning processes, noting increased system peak demand and energy forecasts.

noted the scale of changes described in the 2024 SO Report and raised the following issues for the Board’s attention: Progress on Evergreen IRP; Reliability Tie Risks; and Geothermal System Resources. Each of those issues were addressed in...

AI summary The text discusses issues raised by the CA regarding NS Power's Evergreen IRP progress, Reliability Tie risks, and geothermal resources. NS Power's rebuttal highlights delays in hybrid peak studies, focus on NSIESO transition, and plans to mitigate icing risks on the Reliability Tie using DLR technology.

electricity resources for the Province for the short, medium and long terms; and • conduct independent planning for energy resources, demand-side management and transmission. As the Board noted in its decision letter about the Evergreen IR...

AI summary The Board emphasizes NS Power's responsibility to continue integrated resource planning (IRP) and demand-side management for 2030 targets, stressing uninterrupted engagement with government agencies and avoiding delays despite potential NSIESO transition. The Evergreen IRP process must proceed without interruption.

HEARING ORDER M11764 NOVA SCOTIA UTILITY AND REVIEW BOARD IN THE MATTER OF THE PUBLIC UTILITIES ACT - and - IN THE MATTER OF NOVA SCOTIA POWER INCORPORATED’s 2024 10-Year System Outlook Report BEFORE: Stephen T. McGrath, K.C., Chair Roland...

AI summary The Nova Scotia Utility and Review Board established a paper hearing process for NS Power's 2024 10-Year System Outlook Report, following updates including the Province's 2030 Clean Power Plan and NS Power's 'The Path to 2030' report. The proceeding includes deadlines for interventions, information requests, and submissions.

2024 M11764 NOVA SCOTIA UTILITY AND REVIEW BOARD IN THE MATTER OF: The Public Utilities Act IN THE MATTER OF: Nova Scotia Power Incorporated’s 2024 10-Year System Outlook Report NOTICE OF INTERVENTION OF: K + S Windsor Salt Ltd. CKF Inc. C...

AI summary The Industrial Group, comprising large and medium industrial customers of Nova Scotia Power, seeks intervention in the 2024 10-Year System Outlook Report proceeding under the Public Utilities Act. They argue their costs may be affected by the outcome, requesting involvement to address potential impacts on their operations.

M11764 NOVA SCOTIA UTILITY REVIEW BOARD IN THE MATTER OF THE PUBLIC UTILITIES ACT -and- IN THE MATTER OF NOVA SCOTIA POWER INCORPORATED’s 2024 10-Year System Outlook Report EFFICIENCYONE NOTICE OF INTERVENTION TAKE NOTICE that EfficiencyOn...

AI summary EfficiencyOne intervenes in the Nova Scotia Utility Review Board proceeding concerning Nova Scotia Power's 2024 10-Year System Outlook Report. As the electricity efficiency franchise holder under the Public Utilities Act, EfficiencyOne asserts a direct interest in the matter and intends to participate in the hearing.

Document: 305605 Date Filed: Aug. 27, 2024 NSUARB (NS Power) Page 1 of 6 1 Request IR-1: 2 Referencing pages 6 and 15 of 67, NS Power stated that Evergreen scenario CE1-E1-R2 (net 3 zero 2035, current policy and trends for electrification,...

AI summary NS Power selected the Evergreen scenario CE1-E1-R2 for its 2024 10-Year System Outlook due to alignment with provincial and federal decarbonization targets, despite other evaluated plans having lower costs. The Board highlighted the need for further study on battery energy storage's ELCC profile and interactive effects of renewable resources, as recommended by Synapse.

onditions. 25 b) Does NS Power anticipate requiring load interruptions? If so, to what extent? 26 c) Please elaborate on the statement that “NS Power will position its thermal fleet for high 27 reliability operation in Winter 2024/2025”. H...

AI summary The document contains regulatory questions directed at NS Power regarding load interruption expectations, winter 2024/2025 thermal fleet reliability strategies, and the impact of hybrid heating adoption on peak demand reductions under the Clean Power Plan and Evergreen IRP. Specific requests include quantifying fuel-source contributions to peak reduction.

Page 1 of 3 1 Request IR-01 2 Refer to the 10-Year System Outlook (the “Report”) Section 2.0 - Load Forecast, Page 7 of 67. 3 a. Please provide a comparison between the 2024 Load Forecast with the forecast used 4 in Evergreen IRP scenario...

AI summary The document contains three regulatory requests addressing load forecasts, resource buildout discrepancies, and Green Choice Program procurement. It seeks comparisons between 2024 load forecasts and prior IRP scenarios, reconciliation of resource timelines with NSPI’s Path to 2030 Report, and confidence in meeting renewable energy targets through the Green Choice Program.

ova Scotia Power can incorporate inverter-based 25 resources (IBRs), such as wind, limited only by the load to be served and the best economic 26 dispatch to meet target metrics for renewables 4.” 27 a. Does this conclusion impact NSPI’s c...

AI summary Nova Scotia Power (NSPI) concludes that inverter-based resources (IBRs) like wind can be incorporated based on load and economic dispatch for renewables. Questions are raised about impacts on the Reliability Tie and IRP planning constraints, referencing M11764 and the NS SBA's involvement.

ain whether NS Power agrees that it should give greater consideration to 30 improving geothermal technologies, perhaps similar to or even greater than small modular 31 nuclear reactors and tidal generation, and its reasons for taking its p...

AI summary The text contains two regulatory requests: (1) whether NS Power should prioritize geothermal technologies comparable to small modular nuclear reactors and tidal generation, and (2) requests for data on peak forecast reductions and work completed for the 'adoption of hybrid heating scenario' under the Integrated Resource Plan (IRP) Action Plan Item 4b.

“adoption of hybrid heating scenario,” (IRP Action Plan Item 4b) 43 1 Reviewed at: https://netzeroatlantic.ca/outreach/webinar-series/exploring-nova-scotias-geothermal-opportunities

AI summary The text references a 'hybrid heating scenario' outlined in the Integrated Resource Plan (IRP) Action Plan Item 4b, linked to a webinar on Nova Scotia's geothermal opportunities. The context suggests exploration of electrification strategies and renewable energy pathways.

Blackburn Law Inc. October 4, 2024 VIA EMAIL Ms. Crystal Henwood Regulatory Affairs Officer/Clerk Nova Scotia Utility and Review Board 1601 Lower Water Street, 3rd Floor Halifax NS B3J 3S3 Dear Ms. Henwood: Re: Mll 764 - Nova Scotia Power...

AI summary The Small Business Advocate (SBA) reviewed Nova Scotia Power Inc.'s (NSPI) 2024 10-Year System Outlook, finding it consistent with prior planning but noting minor discrepancies in resource forecasts and risks like delays in project timelines and potential impacts on low-income customers. The SBA recommends further consideration of these issues.

ior planning documents. In general, many of the discrepancies relate to delays in project in-service or programs in which less generating capacity is being developed than previously 1 NSPI 10-Year System Outlook, p . 21. 2 Response to NSPI...

AI summary The text highlights discrepancies in NSPI's 10-Year System Outlook, including project delays and underdeveloped generating capacity, which could impact resource adequacy. It also notes updated load forecasts showing increased near-term demand, urging NSPI to assess load trends on supply planning and ensure timely modifications with stakeholder engagement.

Please refer to: David Roberts Email: [email protected] Assistant: Heidi Day Assistant’s email: [email protected] October 4, 2024 VIA EMAIL Crystal Henwood Regulatory Affairs Officer/Clerk of the Board Nova Scotia Utility and Revie...

AI summary The Consumer Advocate submits comments on Nova Scotia Power’s 2024 10-Year System Outlook Report, highlighting major changes including new wind and battery resources, coal-to-gas conversions, and a new intertie facility with New Brunswick, informed by prior planning documents and updated data.

will be building a major new transition facility to New Brunswick. In consultation with Mr. Wilson, the Consumer Advocate wishes to bring the following matters to the Board’s attention: • Progress on Evergreen IRP: On review of the materia...

AI summary The Consumer Advocate highlights delays in the Evergreen IRP's progress toward 2030 targets, specifically the lack of development around the 'hybrid peak' scenario in the 2024 Outlook System base scenario, despite its assumed preference by Nova Scotia Power and Eastward Energy. The Advocate requests the Board to direct NS Power on the scenario's criticality and implementation.

best information available at the time they were prepared. This matter was reviewed by Stephen T. McGrath, K.C., Chair, Roland A. Deveau, K.C., Vice Chair, and Steven M. Murphy, MBA, P.Eng., Member. Document: 318221 -2- On August 27 and 28...

AI summary The document outlines regulatory proceedings involving NS Power, including information requests and submissions related to the 2024 10-Year SO Report. Key updates include the Evergreen IRP update, the 2030 Clean Power Plan, and NS Power's Path to 2030 report aligning with decarbonization goals. The Board's review and stakeholder submissions are detailed.

h the Board’s 2023 ACE Plan Decision (M11017), NS Power filed The Path to 2030 report, providing detailed and specific information on how the Company will achieve its 2030 obligations. NS Power stated that Evergreen IRP scenario CE1-E1-R2,...

AI summary NS Power's 2030 obligations are outlined in The Path to 2030 report, using the Evergreen IRP scenario CE1-E1-R2 and the 2030 Clean Power Plan. The 2024 10-Year SO Report incorporates this scenario, which assumes no Atlantic Loop and includes a 345 kV intertie (Reliability Tie) by 2028. The SBA affirmed the System Outlook's alignment with planning processes and known policies.

to 2030 report. The System Outlook presents a reasonable forecast of loads and resources to meet system needs in the near- term, considering known policies and constraints. … There are a few areas in which the System Outlook highlights pot...

AI summary The System Outlook report identifies risks to NSPI's planning, including delays in resource development, load growth, peaking plant regulations, and reserve margin deficiencies post-2030. NS Power argues that ECCC's 2024 regulatory updates reduce risks for emitting resources in peaking capacity. The Clean Energy Regulations (2024) offer compliance flexibilities. The CA submission raises concerns about IRP progress, reliability tie risks, and geothermal resources.

noted the scale of changes described in the 2024 SO Report and raised the following issues for the Board’s attention: Progress on Evergreen IRP; Reliability Tie Risks; and Geothermal System Resources. Each of those issues were addressed in...

AI summary The Commission raised concerns about NS Power's progress on the Evergreen IRP, reliability tie risks, and geothermal resources. NS Power responded by emphasizing provincial accountability for hybrid peak studies, prioritizing NSIESO transition over joint dispatch, and proposing DLR devices to mitigate icing risks on reliability tie lines.

electricity resources for the Province for the short, medium and long terms; and • conduct independent planning for energy resources, demand-side management and transmission. As the Board noted in its decision letter about the Evergreen IR...

AI summary The Board emphasizes NS Power's responsibility to continue energy resource planning, demand-side management, and transmission activities until the NSIESO assumes these roles. It highlights the urgency of meeting 2030 targets with significant capital projects and the need for NS Power to engage with government agencies on policy developments.