N-1Report
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Nova Scotia Utility and Review Board IN THE MATTER OF The Public Utilities Act, R.S.N.S. 1989, c.380, as amended 2024 10-Year System Outlook NS Power June 27, 2024 NON-CONFIDENTIAL 2024 10-Year System Outlook Non-Confidential
AI summary NS Power submitted a non-confidential 2024 10-Year System Outlook to the Nova Scotia Utility and Review Board under the Public Utilities Act. The document outlines long-term infrastructure and operational planning for the electricity system.
Winter Net Wholesale Market Participant Fuel Type Capacity 9 8F (MW) Backup Top-Up (BUTU) 10 9F Wind [Ellershouse] 1110F 4.2 Total 4.2 3 4 3.1.1 Maximum Unit Capacity Rating Adjustments 5 6 As a member of the Maritimes Area of the Northeas...
AI summary NS Power complies with NERC MOD-025-2 standards for generator capacity verification, referencing a NSUARB decision (M09940) using 18% ELCC for wind. The Ellershouse wind farm (owned by AREA) is part of the BUTU tariff, which includes municipal loads in specific communities. NS Power updates capacities annually in its 10-Year System Outlook.
1 3.2.4 Annapolis Tidal 2 3 The Annapolis Tidal Generating Station ceased generation in January 2019 following the failure 4 of a crucial station component. Subsequently, NS Power completed an analysis to determine 5 whether continued rein...
AI summary The Annapolis Tidal Generating Station ceased operations in 2019, and NS Power determined it should be retired. NS Power applied to the NSUARB for approval to treat the station as Not Used and Not Useful and to amortize the asset over 10 years, but the NSUARB deferred a decision. NS Power continues to assess the station with environmental regulators and provided updates to the NSUARB, with no capacity or energy contribution assumed in the 2024 10-Year System Outlook.
1 6.0 RESOURCE ADEQUACY 2 3 6.1 Operating Reserve Criteria 4 5 Operating Reserves are resources which can be called upon by system operators on short notice to 6 respond to the unplanned loss of generation or imports or unanticipated chang...
AI summary This section outlines NS Power's operating reserve criteria, including the need for 10-minute and 30-minute reserves to ensure system reliability. It references NPCC standards and the Interim Operating Agreement with NB Power, specifying reserve requirements and sources.
Page 52 of 67 2024 10-Year System Outlook Non-Confidential 1 7.2.1 Bulk Power System (BPS) 2 3 The NS Power bulk transmission system is planned, designed and operated in accordance with 4 NERC Standards and NPCC criteria. NS Power is a mem...
AI summary The document outlines the definitions and operational standards for the Bulk Power System (BPS) and Bulk Electric System (BES) under NS Power, emphasizing compliance with NERC standards and the NS Exception Procedure, which was approved by the NSUARB in 2017.
1 7.2.3 2023 Bulk Electric System Exception Requests 2 3 Since the filing of the 2023 10-Year System Outlook Report, no new BES Exception Requests 4 have been received. 5 6 7.2.4 Remedial Action Schemes (RAS) 7 8 NS Power makes use of Reme...
AI summary The document discusses the absence of new BES Exception Requests since the 2023 10-Year System Outlook Report, the use of Remedial Action Schemes (RAS) by NS Power to maintain system stability, and the ongoing review of the NPCC Directory 1 Document by a working group, with voting on proposed updates scheduled for June 27, 2024.
the Directory 1 Working Group that is performing the review. 27 Voting by NPCC members on the updates proposed by the Directory 1 Working Group is 28 scheduled to conclude on June 27, 2024. 29 DATE FILED: June 27, 2024 Page 54 of 67 2024 1...
AI summary The NPCC Directory 7 Working Group is reviewing the design criteria and review process for Remedial Action Schemes (RAS), with the review expected to be completed in Q3 2024. NS Power is involved in the Directory 7 Working Group. NS Power also has a comprehensive maintenance program for the transmission system aimed at ensuring reliability and extending asset life.
N-3NSPI (NSUARB) RIR-1 - RIR-18
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2024 10-Year System Outlook Report (NSUARB M11764) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL
AI summary The 2024 10-Year System Outlook Report (NSUARB M11764) includes NSPI's responses to information requests from NSUARB, focusing on regulatory compliance and disclosure processes.
2024 10-Year System Outlook Report (NSUARB M11764) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL
AI summary The 2024 10-Year System Outlook Report (NSUARB M11764) includes NSPI's responses to information requests from NSUARB, focusing on regulatory compliance and disclosure processes.
2024 10-Year System Outlook Report (NSUARB M11764) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL
AI summary The 2024 10-Year System Outlook Report (NSUARB M11764) includes NSPI's responses to information requests from NSUARB, focusing on regulatory compliance and disclosure processes.
2024 10-Year System Outlook Report (NSUARB M11764) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL
AI summary The 2024 10-Year System Outlook Report (NSUARB M11764) includes NSPI's responses to information requests from NSUARB, focusing on regulatory compliance and disclosure processes.
2024 10-Year System Outlook Report (NSUARB M11764) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL 1 Request IR-12: 2 3 Reference NPCC Directory 1 and Directory 7 reviews, pages 54-55: 4 5 (a) NS Power noted that voting by N...
AI summary NSPI responded to NSUARB's information requests regarding updates to NPCC Directory 1 and 7. The updated Directory 1 passed with 94% approval, including clarifications on system boundaries, resource tripping, and fault treatment. Directory 7's review is expected to conclude in Q3 2024.
2024 10-Year System Outlook Report (NSUARB M11764) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL 1 • Established Appendix H to include Technical Rationales. 2 3 • Alignment with NERC Standards: 4 • Table 3 Bus Section Faul...
AI summary NSPI updated the 2024 10-Year System Outlook Report by adding Appendix H with technical rationales and aligning with NERC standards via specific fault criteria. The NSUARB-led review of Directory 7, divided between two task forces, has progressed through draft revisions, with TFCP's work completed and TFSP's ongoing. Key milestones include open process reviews and final approvals by December 2024.
2024 10-Year System Outlook Report (NSUARB M11764) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL
AI summary The 2024 10-Year System Outlook Report (NSUARB M11764) includes NSPI's responses to information requests from NSUARB, focusing on regulatory compliance and disclosure processes.
2024 10-Year System Outlook Report (NSUARB M11764) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL 1 (b) The Class 1 Environmental Assessment for the Reliability Tie project was conditionally 2 approved by the Nova Scotia De...
AI summary NSPI has provided updates on the Reliability Tie project, including environmental approval, design progress, and planned construction timelines. The project is subject to the execution of a Development Agreement between NS Power and NB Power, with a capital application expected in Q1 2025.
2024 10-Year System Outlook Report (NSUARB M11764) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL 1 Request IR-15: 2 3 On page 59, NS Power stated that in collaboration with Manitoba Hydro International 4 (MHI), it complete...
AI summary NSPI responded to an NSUARB information request by providing a report on the Large Scale Integration of Inverter Based Resources in Nova Scotia, which was previously filed under M11307. The report was reviewed in a webinar as part of NS Power’s IRP Action Plan.
2024 10-Year System Outlook Report NSUARB IR-15 Attachment 1 Page 2 of 60 Frequency Control and System Strength Assessment DOCUMENT TRACKING Rev. Description Date 0 Draft June 30, 2023 1 Initial release October 23, 2023 MANITOBA HYDRO INTE...
AI summary This document, part of the 2024 10-Year System Outlook Report, includes a frequency control and system strength assessment. It is prepared by Power Systems Technology Centre, a division of Manitoba Hydro International Ltd. (MHI) for Nova Scotia Power Inc. (NSPI), with a disclaimer stating that the content is for the sole use of NSPI and not for any third party.
2024 10-Year System Outlook Report NSUARB IR-15 Attachment 1 Page 7 of 60 Frequency Control and System Strength Assessment
AI summary The document is an attachment to the 2024 10-Year System Outlook Report, focusing on Frequency Control and System Strength Assessment as part of the Integrated Resource Plan (IR-15) submitted to the Nova Scotia Utility and Regulatory Board (NSUARB).
requency Control and System Strength Assessment Appendix A: SCMVA Benchmark Values Tables redacted in document to be released to the public due to sensitive customer information. A-1 2024 10-Year System Outlook Report NSUARB IR-15 Attachme...
AI summary The document outlines the 2024 10-Year System Outlook Report, focusing on frequency control and system strength assessment. Appendices A, B, and C contain redacted tables related to SCMVA benchmark values, sensitive SCMVA buses, and SCR sensitive facilities, respectively. The report is part of a regulatory proceeding involving NSPI and the NSUARB.
2024 10-Year System Outlook Report (NSUARB M11764) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL 1 Request IR-16: 2 3 In accordance with the Nova Scotia Wholesale and Renewable to Retail Electricity Market 4 rules, the 10-...
AI summary NS Power does not support expanding the 10-Year System Outlook report to include distribution system assessments, citing that Bill 404 and the Energy Reform (2024) Act will establish a Nova Scotia Independent Energy System Operator (NSIESO) responsible for resource and transmission planning, while NS Power retains distribution planning responsibilities.
2024 10-Year System Outlook Report (NSUARB M11764) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL
AI summary The 2024 10-Year System Outlook Report (NSUARB M11764) includes NSPI's responses to information requests from NSUARB, focusing on regulatory compliance and disclosure processes.
2024 10-Year System Outlook Report (NSUARB M11764) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL
AI summary The 2024 10-Year System Outlook Report (NSUARB M11764) includes NSPI's responses to information requests from NSUARB, focusing on regulatory compliance and disclosure processes.
N-5NSPI (SWEB) RIR-1 to RIR-5
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reement that authorizes the 26 Transmission Provider to begin engineering and procurement of long lead-time 27 items necessary for the establishment of the interconnection. 1 28 1 https://www.nspower.ca/docs/default-source/pdf-to-upload/re...
AI summary NS Power faced delays due to incomplete Electromagnetic Transient (EMT) models from Interconnection Customers. To address this, NS Power implemented model quality requirements on its OASIS site, mandated Model Quality Tests, and expanded its Transmission Planning team. These measures, combined with industry experience, are expected to shorten study timelines for interconnection projects.
2024 10-Year System Outlook Report (NSUARB M11764) NSPI Responses to SWEB Information Requests NON-CONFIDENTIAL
AI summary NSPI submitted responses to SWEB's information requests regarding the 2024 10-Year System Outlook Report, part of NSUARB matter M11764. The document is marked non-confidential and outlines procedural steps in the regulatory process.
Upgrades associated with their project. In this way, any Network Upgrades that may also be needed 24 for lower queued projects can be built regardless of the in-service date for the original generating 25 facility. 26 27 Section 17 of the...
AI summary The text outlines Section 17 of the GIA, which allows non-compliant projects to be placed into Default if milestones are missed, with a 30-day cure period. It also references NSPI's responses to SWEB's information requests regarding the 2024 10-Year System Outlook Report (NSUARB M11764).
2024 10-Year System Outlook Report (NSUARB M11764) NSPI Responses to SWEB Information Requests NON-CONFIDENTIAL
AI summary NSPI submitted responses to SWEB's information requests regarding the 2024 10-Year System Outlook Report, part of NSUARB matter M11764. The document is marked non-confidential and outlines procedural steps in the regulatory process.
N-6Rebuttal Evidence - NSPI
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Nova Scotia Utility and Review Board IN THE MATTER OF The Public Utilities Act, R.S.N.S. 1989, c.380, as amended M11764 2024 10-Year System Outlook Report NS Power Rebuttal Evidence October 21, 2024 NON-CONFIDENTIAL 2024 10-Year System Out...
AI summary NS Power submits a rebuttal to the 2024 10-Year System Outlook Report as part of a regulatory proceeding under the Public Utilities Act. The document outlines NS Power's response to the Board's review of system planning and resource requirements, focusing on infrastructure and reliability considerations.
1 least-cost planning and robust stakeholder engagement in the decision-making 2 process. 4 3 4 NS Power provides its Load Forecast on an annual basis in April of each year, and that Load 5 Forecast is used in the development of that year’...
AI summary NS Power's Load Forecast and 10-Year System Outlook are subject to NSUARB hearings. The SBA highlights risks from Environment and Climate Change Canada's Clean Electricity Regulations (CER), which may allow continued use of emitting generators in peaking capacity. NSPI relies on emitting resources despite potential regulatory changes, posing risks if final regulations are less permissive.
Page 6 of 16 2024 10-Year System Outlook Report – Rebuttal Evidence Non-Confidential 1 3.0 CONSUMER ADVOCATE EVIDENCE 2 3 In its submission, the CA raised three issues “to bring… to the Board’s attention”. 9 They are as 4 follows. 5 6 3.1...
AI summary The Consumer Advocate (CA) highlights delays in the Evergreen IRP's progress, specifically the hybrid peak scenario study and regional joint dispatch study, urging the Board to direct NS Power on their development. NS Power responds that hybrid peak scenarios are under study, though implementation timelines remain unclear.
Page 7 of 16 2024 10-Year System Outlook Report – Rebuttal Evidence Non-Confidential
AI summary The document is titled '2024 10-Year System Outlook Report – Rebuttal Evidence' and is marked as non-confidential. It appears to be part of a regulatory proceeding, focusing on rebuttal evidence related to a long-term system outlook.
1 …it would also appear that NS Power has decided not to pursue engagements with 2 other participants to undertake a study of regional joint dispatch by a single system 3 operator, as directed by the Board in its 2020-2021 FAM Audit decisi...
AI summary NS Power opted to focus on creating an independent system operator (NSIESO) rather than engaging in regional joint dispatch as directed by the Board in its 2020-2021 FAM Audit decision. The Consumer Advocate expressed concern, arguing that NS Power's approach may conflict with regional collaboration. The NSUARB mandated biannual updates on NS Power's efforts to comply with the audit directive.
1 regional system operator, NS Power suggests a pause until the NSIESO is operating 2 successfully as an independent entity and then encourage that organization to 3 engage with neighbouring utilities. 16 4 5 It is appropriate to address t...
AI summary NS Power recommends pausing engagement with neighboring utilities until the NSIESO operates independently. The CA highlights a discrepancy between NS Power's Path to 2030 submission and its BESS project positioning, questioning whether merging ECEI and Section 4D projects into a single 150 MW application reduces anticipated energy storage capacity through 2029. NS Power awaits Board feedback on its August 2024 letter.
ed by the CA to assess any potential impacts to the IRP Roadmap. 18 Updates will be provided via the IRP Action Plan and Roadmap process. No further Board 19 direction is required at this time. 26 Consumer Advocate submission, Re: M11764 -...
AI summary The Consumer Advocate (CA) will assess impacts on the Integrated Resource Plan (IRP) Roadmap. Updates will be provided through the IRP Action Plan and Roadmap process, with no further Board direction required. The submission references Matter M11764 and a document link.
Page 15 of 16 2024 10-Year System Outlook Report – Rebuttal Evidence Non-Confidential 1 4.0 CONCLUSION 2 3 The SBA closes its submission with a general comment regarding the transition from the Nova 4 Scotia Power System Operator (NSPSO) t...
AI summary The Small Business Advocate (SBA) raises concerns about the transition from the Nova Scotia Power System Operator (NSPSO) to the Nova Scotia Independent Energy System Operator (NSIESO) and the potential impact on system planning and reliability. NS Power acknowledges the transition and agrees on the need for clarity and transparency, committing to continue providing the 10-Year System Outlook report until further direction is provided by the NSUARB.
96453Board Letter re: Accepted as filed
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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.
icing potential and that it intends to install Dynamic Line Rating (DLR) devices on segments of the L8006 transmission intertie which would provide real-time situational awareness of icing conditions. The Board has reviewed the information...
AI summary The Board accepts the 2024 10-Year System Outlook Report and mandates its publication on OASIS. NSPSO plans to install Dynamic Line Rating (DLR) devices on the L8006 transmission intertie to monitor icing conditions. The Energy Reform (2024) Act establishes the NSIESO to enhance system reliability, coordinate power planning, and forecast electricity demand.