Topic:"Infrastructure Planning" in M11221

Nova Scotia Utility and Review Board IN THE MATTER OF The Public Utilities Act, R.S.N.S. 1989, c.380, as amended 2023 10-Year System Outlook NS Power June 30, 2023 NON-CONFIDENTIAL 2023 10-Year System Outlook NON-CONFIDENTIAL

AI summary NS Power's 2023 10-Year System Outlook provides a non-confidential overview of infrastructure planning and system projections under the Public Utilities Act. The document outlines strategic directions for Nova Scotia's energy system over the next decade.

....................................................................................... 20 3.3.1 Evolution of the Energy Mix in Nova Scotia ...................................................................... 22 3.3.2 Projections of Unit...

AI summary The document outlines sections covering energy mix evolution, system impact studies, environmental regulations, and resource adequacy. Key themes include renewable electricity requirements, infrastructure planning, and reserve criteria for grid reliability.

Page 2 of 60 2023 10-Year System Outlook NON-CONFIDENTIAL

AI summary The 2023 10-Year System Outlook outlines key considerations for Nova Scotia's energy infrastructure and system planning over the next decade, though detailed content is not provided in this excerpt.

Page 3 of 60 2023 10-Year System Outlook NON-CONFIDENTIAL

AI summary The document is Page 3 of a 60-page non-confidential 2023 10-Year System Outlook, likely part of a regulatory proceeding related to Nova Scotia's energy infrastructure planning and long-term system projections.

Page 4 of 60 2023 10-Year System Outlook NON-CONFIDENTIAL 1 1.0 INTRODUCTION 2 3 Delivering clean, reliable and lowest cost energy is NS Power’s commitment to customers. NS 4 Power is committed to supplying 80 percent clean energy and phas...

AI summary NS Power outlines its commitment to 80% clean energy by 2030 and progress in tripling renewable energy on the grid. The 2023 10-Year System Outlook report assesses system capacity and adequacy, including DSM forecasts and generation expansion plans, under Nova Scotia Wholesale and Renewable to Retail Electricity Market Rules.

historical coincident load factors for each of the rate classes. Peak savings related to Demand 15 Response (DR) activities, adjusted for Effective Load Carrying Capability (ELCC) as outlined in DATE FILED: June 30, 2023 Page 8 of 59 2023...

AI summary The 2023 10-Year System Outlook discusses historical and forecasted system peak demand, noting that customer growth and EV sales will increase peak demand, while DSM activities will reduce it. System peak demand is projected to rise 2.3% annually, with firm contribution to peak demand increasing 2.2% annually. ELCC adjustments and DR activities are factored into the analysis.

1 efficiency program effectiveness, the health of the economy, government policy, the impact of 2 electrification, changes in large customer loads, the number of electric appliances and end-use 3 equipment installed, and changes in technol...

AI summary NS Power's generation portfolio includes conventional and renewable resources, with renewable energy's intermittent nature requiring conventional units to meet firm capacity needs. The Renewable Electricity Standards (RES) have increased variable renewable energy production, though conventional resources remain critical for reliability.

inter Net Plant/System Fuel Type Capacity (MW) 8

AI summary The text presents a table header with columns for Plant/System, Fuel Type, and Capacity (MW), but lacks substantive data rows. The structure suggests a regulatory proceeding discussion on energy generation capacity, though no specific details or analysis are provided in the excerpt.

Page 12 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL

AI summary Page 12 of a 59-page non-confidential document titled '2023 10-Year System Outlook' is referenced. The document likely contains long-term planning details for Nova Scotia's energy system, though content is not visible in the provided text.

1 3.1.1 Maximum Unit Capacity Rating Adjustments 2 3 As a member of the Maritimes Area of the Northeast Power Coordinating Council (NPCC), NS 4 Power meets the requirement for generator capacity verification as outlined in North American 5...

AI summary NS Power complies with NERC standards for generator capacity verification, updates unit capacities annually, and addresses Mersey Hydro redevelopment needs due to infrastructure degradation, adjusting reliability metrics in the Evergreen IRP study.

eduled outages, Lingan Unit 2 will be available, if needed, 18 to provide firm capacity and maintain an adequate planning reserve margin (Section 6.2) for the 19 upcoming winter (2023/2024). 20 DATE FILED: June 30, 2023 Page 17 of 59 2023...

AI summary The document discusses the availability of Lingan Unit 2 for providing firm capacity and maintaining an adequate planning reserve margin during the upcoming winter (2023/2024). It references the 2023 10-Year System Outlook, filed on June 30, 2023.

Page 17 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL

AI summary The document outlines the 2023 10-Year System Outlook, providing a non-confidential overview of the power system's future planning and projections.

Page 18 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL 1 NS Power provided a status update to the NSUARB on March 9, 2023 indicating that the 2 Company, along with the relevant environmental regulators (DFO), continues to assess the 3...

AI summary NS Power provided an update to the NSUARB on the Annapolis Tidal Generating Station, stating that no capacity or energy contribution from the station is assumed for the 2023 10-Year System Outlook. The company also outlined its unit utilization forecast and the anticipated system additions and retirements.

ustomers. A summary of the 14 anticipated system additions and retirements is set out below in Figure 6. 15 16 Figure 6: Additions and Retirements as in the 10-Year System Outlook Resource Plan 17 Winter Additions Retirements • New wind ad...

AI summary The document outlines anticipated additions and retirements in the 10-Year System Outlook Resource Plan, focusing on new wind additions and battery storage from 2024 to 2027, along with the retirement of the Lingan 2 facility in 2025/2026.

0, 2023 Page 19 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL

AI summary The document outlines the 2023 10-Year System Outlook, providing a non-confidential overview of the power system's future planning and projections.

Page 22 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL

AI summary The document provides an overview of the 2023 10-Year System Outlook, focusing on the electricity system's future planning and development in Nova Scotia.

Page 23 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL

AI summary The 2023 10-Year System Outlook provides a non-confidential overview of the projected energy system developments and planning considerations for the next decade in Nova Scotia.

intensive investment strategies 13 is a method executed throughout the thermal fleet. Major outage intervals are extended where 14 possible to reduce large investments in the thermal fleet. 15 DATE FILED: June 30, 2023 Page 27 of 59 2023 1...

AI summary The document discusses strategies for extending major outage intervals in the thermal fleet to reduce large investments, as part of the 2023 10-Year System Outlook. It highlights sustaining capital investment forecasts for various units.

2023 10-Year System Outlook NON-CONFIDENTIAL 1 Figure 11: Forecasted Sustaining Capital Investment (in 2023$) by Unit 2 $140,000,000

AI summary The document presents a 2023 10-Year System Outlook, focusing on forecasted sustaining capital investment, with Figure 11 showing the investment in 2023 dollars by unit.

LIN1 - Oil LIN1 CTs $0 Biomass 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 3 4 Note: Forecast investments are subject to change arising from asset health and actual utilization. Changes in 5 currency value, escalation and inflation c...

AI summary The document provides a 10-year system outlook for 2023, including forecast investments for LIN1 - Oil and CTs, with a note that these forecasts are subject to change due to factors such as asset health, currency value, escalation, and inflation.

Page 28 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL 1 4.0 QUEUED SYSTEM IMPACT STUDIES 2 3 Figure 12 below provides the location and size of the generating facilities currently in the 4 Combined Transmission & Distribution (T&D) Adv...

AI summary The document outlines the current status of queued system impact studies and highlights the Port Hawkesbury Biomass generating unit, which is transitioning from an energy resource interconnection service (ERIS) to a network resource interconnection service (NRIS) following system upgrades related to Transmission Service Request 400.

14.1 17V Wind 31-Oct-23 GIA Executed NRIS 4-T 542 26-Sep-16 Cumberland 3.78 3.78 37N Tidal 30-Jun-25 GIA Executed NRIS 5-D 557 19-Apr-17 Halifax 5.6 5.6 24H CHP 01-Sep-18 SIS Complete N/A 01-Oct- 6-T 517 15-Dec-14 Cumberland 4 4 37N Tidal...

AI summary The document lists various interconnection requests with details such as project type, dates, and statuses. It also mentions the In-Service dates and their significance in interconnection agreements. The document is part of a 2023 10-Year System Outlook and was filed on June 30, 2023.

Page 29 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL In-Service Request Inter- date Queue Date MW MW Service IR# County connection Type DD- Status Order DD-MMM- Summer Winter Type Point MMM- YY YY 27 8-D 566 16-Jan-19 Digby 0.7 0.7 5...

AI summary The document presents a 2023 10-Year System Outlook, listing various energy generation projects with details such as request date, location, capacity, interconnection point, service date, and status. Projects include tidal and wind energy initiatives across different counties in Nova Scotia.

Page 37 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL

AI summary The document outlines the 2023 10-Year System Outlook, providing a non-confidential overview of the power system's future planning and projections.

Page 39 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL

AI summary The document presents the 2023 10-Year System Outlook, providing a non-confidential overview of the power system's future planning and projections.

interconnections with neighboring Planning Coordinator Areas, transmission 23 transfer capabilities, and capacity and/or load relief from available operating 24 procedures. 42 25 26 The PRM is a long-term planning assumption that is typica...

AI summary The document discusses the Planning Reserve Margin (PRM) as a long-term planning assumption, updated as part of the Integrated Resource Plan (IRP) process. Nova Scotia Power confirmed a 20 percent PRM target as appropriate for long-term planning in its 2020 IRP. The text also references interconnections with neighboring areas and transmission transfer capabilities.

Page 42 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL

AI summary The document presents the 2023 10-Year System Outlook, providing a non-confidential overview of the power system's planning and projections for the next decade.

-IRP 25 analyses by July 31, 2019. One of the pre-IRP deliverables directed by the NSUARB was a 26 Capacity Study to calculate the ELCC of wind and other renewable energy generators, both for the 27 existing wind resources as well as poten...

AI summary The document references an Integrated Resource Planning (IRP) process and a Capacity Study conducted by Energy+Environmental Economics (E3) on behalf of NS Power to calculate the Effective Load-Carrying Capacity (ELCC) of wind and other renewable energy generators. The study was part of a pre-IRP deliverable directed by the NSUARB.

Page 43 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL

AI summary The document presents the 2023 10-Year System Outlook, providing a non-confidential overview of the energy system's future direction and planning considerations.

1 average ELCC of the wind currently installed on the NS Power system to be 19 percent. The 2 declining marginal ELCC value of adding new wind to the NS Power system was determined to 3 be 11 to 9 percent. In the 2020 IRP, the Company used...

AI summary The document discusses the Effective Load-Carrying Capacity (ELCC) of wind and solar resources in Nova Scotia, noting that existing wind has an 18% capacity value, new wind has a 10% capacity value, and solar has very limited ELCC due to poor correlation with peak load hours. It also references the inclusion of ERIS wind resources and a 10-year load and resources outlook based on capacity changes and demand-side management forecasts.

in the 2023 Load Forecast. 46 This 25 requirement is met by an increase in new fast-acting combustion turbine capacity in the latter part 26 of the 10-year horizon (please refer to Figure 19). 27 Energy+Environmental Economics, Planning Re...

AI summary The 2023 Load Forecast indicates a small PRM deficit from 2023 to 2026, which NS Power plans to address by increasing new fast-acting combustion turbine capacity. The forecast will be monitored and adjusted as needed.

2,555 2,555 2,555 2,555 2,555 2,555 2,555 2,555 2,555 2,555 Firm Resource Additions: G Biomass 43 H Hydro -101 101 I Tidal 2 New Wind - Rate Base J Procurement 19 18 K Other Wind Projects 13 L Additions - Wind 20 20 20 20 20 20 20 20 Addit...

AI summary The document outlines resource additions and retirements for the 2023 10-Year System Outlook, including biomass, hydro, wind, battery, and coal-to-gas conversions. It emphasizes the need for reliable performance before retirements are fully decommissioned.

0, 2023 Page 47 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL 1 The 138 kV transmission system is approximately 1,871 km in length and comprises 303 km of 2 steel structures and 1,568 km of wood pole lines. 3 4 The 69 kV transmission...

AI summary The document outlines the length and composition of Nova Scotia's 138 kV and 69 kV transmission systems, as well as interconnections with New Brunswick and Newfoundland. It also describes the transmission design criteria used by NS Power to ensure system adequacy and security.

teria. The criteria require the overall adequacy and security of 24 the interconnected power system to be maintained following a fault on and disconnection of any 25 single system component. 26 DATE FILED: June 30, 2023 Page 48 of 59 2023...

AI summary The criteria ensure the overall adequacy and security of the interconnected power system following a fault and disconnection of any single component. The document outlines the 2023 10-Year System Outlook for the Bulk Power System.

Page 49 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL

AI summary The document presents the 2023 10-Year System Outlook, providing a non-confidential overview of the electricity system's future planning and projections.

view. 29 The Directory 1 Working Group anticipates the review will be complete in Q3 2023. 48 https://www.npcc.org/program-areas/standards-and-criteria/regional-criteria/directories DATE FILED: June 30, 2023 Page 50 of 59 2023 10-Year Syst...

AI summary The Directory 1 Working Group is expected to complete its review by Q3 2023, with a reference to a webpage related to regional criteria and directories. The document is part of a 2023 10-Year System Outlook and was filed on June 30, 2023.

Page 50 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL

AI summary The document provides a 10-year system outlook for 2023, focusing on the non-confidential aspects of the Nova Scotia power system. It outlines key projections and considerations for the future of the electricity infrastructure and resource planning.

1 7.3 Transmission Life Extension 2 3 NS Power has a comprehensive maintenance program in place for the transmission system focused 4 on maintaining reliability and extending the useful life of transmission assets. The program is 5 centere...

AI summary NS Power maintains a comprehensive transmission maintenance program focused on reliability and asset life extension through regular inspections and replacement of key components. The document outlines planned transmission reinforcements to ensure system reliability and compliance with design standards, with major projects requiring further technical studies and approvals.

Major projects included in the plan have been included based on a preliminary assessment of need. 30 The projects will be subject to further technical studies, internal approval at NS Power, and DATE FILED: June 30, 2023 Page 51 of 59 2023...

AI summary The 2023 10-Year System Outlook discusses major projects included in the plan, which are subject to technical studies and approvals by NS Power and the NSUARB. It also highlights the increase in large-load requests, particularly from hydrogen production developers, and the progress on Load Impact Studies for both distribution and transmission systems.

23 Page 52 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL

AI summary The document presents the 2023 10-Year System Outlook, focusing on the future of the electricity system in Nova Scotia. It includes non-confidential information related to planning and forecasting for the next decade.

er than expected to grade the property and provide a 29 suitable access route into the site for a mobile transformer unit. Subsequent negotiations with the 30 owners of the existing site resulted in a new option to swap the existing Kearne...

AI summary The text discusses challenges in grading a property and establishing access for a mobile transformer unit, followed by a negotiation leading to a new option involving swapping the existing Kearney Lake Substation. It also references the 2023 10-Year System Outlook document.

23 Page 53 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL

AI summary The document presents a 2023 10-Year System Outlook, providing a non-confidential overview of the energy system's future direction and planning considerations.

n and grounding of lower three lines) [carry-over from 2022]. 26 • 2021 Transmission Right-of-Way Widening 69 kV to reduce the occurrence of edge and 27 off right-of-way tree contacts (Year 7 of 8). 28 • Receipt of new large spare auto-tra...

AI summary The document outlines various infrastructure projects and maintenance activities related to Nova Scotia's power transmission system, including right-of-way widening, substation upgrades, and land transfers, as part of the 2023 10-Year System Outlook.

3 Page 54 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL 1 • Construct new 25/33/42 MVA 138 kV–25 kV 98N Substation complete with three 25 kV 2 distribution feeders in Stellarton. 3 • Purchase new 138 kV–25 kV, 15/20/25 MVA transformer...

AI summary The document outlines a 10-year system outlook for 2023–2026, detailing infrastructure projects including the construction of new substations, transformer replacements, and transmission right-of-way improvements aimed at enhancing grid reliability and capacity.

with 7.5/10/12.5 MVA 25 unit. 26 27 2026 28 29 • Replace transformers 62N-T1 and 62N-T2 at end of expected life with a single 138/69 kV- 30 25 kV, 15/20/25 MVA transformer. DATE FILED: June 30, 2023 Page 55 of 59 2023 10-Year System Outloo...

AI summary The document outlines a 2023 10-Year System Outlook, including plans to replace transformers 62N-T1 and 62N-T2 with a single 138/69 kV-25 kV, 15/20/25 MVA transformer at the end of their expected life by 2026.

2023 Page 55 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL 1 • Add a second 25/33/42 MVA, 138 kV-25 kV transformer at new 98N substation in 2 Stellarton. 3 • Replace 83V-Wolfville Ridge transformer 83V-T51 with a 138/69kV-25 kV, 15/20...

AI summary The 2023 10-Year System Outlook outlines proposed transformer upgrades and new substation installations in Nova Scotia, including replacements and additions in Stellarton, Antigonish, and Onslow, with future plans contingent on ongoing studies and the phase-out of coal-fired generation.

transformer with new 15/20/25 MVA unit. 29 • Replace existing 7.5/10/12.5/14 MVA 22W - Barrington Passage transformer with 30 15/20/25 MVA unit and add additional feeder circuit. DATE FILED: June 30, 2023 Page 56 of 59 2023 10-Year System...

AI summary The document outlines infrastructure upgrades including transformer replacements and new feeder installations at substation locations. It also discusses the development of the Reliability Tie, a second 345kV intertie between Nova Scotia and New Brunswick, aligning with the 2020 and 2023 IRP updates. The Reliability Tie is expected to be operational by 2027 and is important for system reliability and renewable energy integration.

f the Atlantic Loop project. The earliest potential in-service date for the Reliability 14 Tie is currently estimated to be 2027. 15 8.5 Western Valley Transmission System – Phase II Study 16 17 The Western Valley transmission study was in...

AI summary The document discusses the Western Valley Transmission System – Phase II Study, which aims to address transmission line capacity, clearance, and age issues over a 15-year planning horizon. Specific 69 kV lines are identified for upgrades, and a reference is made to the NS Power February 2023 Integrated Resource Planning (IRP) Action Plan Update regarding the Reliability Tie project, with an estimated in-service date of 2027.

Page 57 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL

AI summary The document presents the 2023 10-Year System Outlook, outlining key aspects of the Nova Scotia power system's future, including projections and planning considerations.

1 The scope of the study included the assessment of the following four options: 2 3 Option #1 ‐ Restore L-5531, L-5532, L-5535, and L-5541 to 50ºC Temperature Rating 4 Option #2 ‐ Upgrade L-5531, L-5532, L-5535, and L-5541 to 80ºC Temperat...

AI summary The study evaluates six options for upgrading or replacing existing 69 kV infrastructure with higher capacity lines or new 138 kV circuits. The scope was expanded to consider electrification impacts but was paused due to the Rate Base Procurement (RBP) process and subsequent System Impact Study requests. Work will resume once these studies are completed.

nue to be on hold pending completion of 25 these studies. The scope of this study will be reviewed based on the outcomes of the studied 26 projects as well as the updated 2023 Load Forecast. 27 DATE FILED: June 30, 2023 Page 58 of 59 2023...

AI summary The document discusses the 2023 10-Year System Outlook, which is based on the Evergreen IRP update and Scenario CE1-E1-R2. It highlights NS Power's commitment to adapting its Integrated Resource Planning (IRP) to reflect changes in the planning environment and ongoing environmental policies.

REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2023 10-Year System Outlook Report (NSUARB M11221) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL

AI summary The document is a redacted 2023 10-Year System Outlook Report (NSUARB M11221) and NSPI responses to NSUARB information requests. Confidential content has been removed, leaving only headers and non-confidential metadata.

2023 10-Year System Outlook Report (NSUARB M11221) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL

AI summary The 2023 10-Year System Outlook Report (NSUARB M11221) details NSPI's responses to NSUARB information requests, focusing on infrastructure planning and long-term system projections. The non-confidential document outlines NSPI's approach to managing Nova Scotia's energy needs over the next decade.

2023 10-Year System Outlook Report (NSUARB M11221) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL 1 Request IR-3: 2 3 Referencing Figure 3 on page 11 of 59, please confirm that the capacity contribution expected 4 from the...

AI summary NSPI confirms the Maritime Link NS Base Block's capacity contribution is 153 MW under the ECA, adjusted by a 95% ELCC factor to 145.4 MW, aligning with other hydro resources and the 2020 Integrated Resource Plan.

7,493 $ - $ - $ 4,076,601 $ - $ - $ 6,130,799 $ 5,855,399 2050 $ 5,219,511 $ - $ - $ 7,038,886 $ - $ - $ 5,634,344 $ 6,295,304 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 10-Year System Outlook Report NSUARB IR-5 Attachment 1 Page 3 of 4

AI summary The document contains a redacted 10-Year System Outlook Report by NSUARB, including financial figures and infrastructure planning details. Key sections are confidential and removed, with page references indicating a multi-page attachment.

REDACTED (CONFIDENTIAL INFORMATION REMOVED) 10-Year System Outlook Report NSUARB IR-5 Attachment 1 Page 3 of 4

AI summary The document is a redacted 10-Year System Outlook Report attached to NSUARB IR-5, with confidential information removed. It provides context for regulatory proceedings related to Nova Scotia's energy infrastructure planning.

$ 7,644,204 2049 $ 8,228,245 $ 1,224,000 $ 1,224,000 $ 1,763,965 2050 $ 6,145,093 $ 1,224,000 $ 1,224,000 $ 1,391,624 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 10-Year System Outlook Report NSUARB IR-5 Attachment 1 Page 4 of 4 $140,000,0...

AI summary The document contains redacted financial figures and a 10-Year System Outlook Report from the NSUARB. It includes monetary values and references to regulatory filings, though key details are confidential.

REDACTED (CONFIDENTIAL INFORMATION REMOVED) 10-Year System Outlook Report NSUARB IR-5 Attachment 1 Page 4 of 4 $140,000,000

AI summary A redacted 10-Year System Outlook Report from the NSUARB's IR-5 proceeding includes a monetary figure of $140,000,000. The document's content is otherwise confidential and not disclosed.

LIN1 CTs $0 Biomass 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2023 10-Year System Outlook Report (NSUARB M11221) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL 1 Request I...

AI summary NSPI details four completed transmission upgrades under TSR 400, with one component (switch upgrades) pending completion in Q2 2025 due to equipment delivery delays. The response addresses NSUARB's IR-6 request regarding system upgrades in the 2023 10-Year System Outlook Report.

2023 10-Year System Outlook Report (NSUARB M11221) NSPI Responses to NSUARB Information Requests NON-CONFIDENTIAL 1 Request IR-7: 2 3 On page 44 of 59, NS Power provided ELCC values used in the 10-year System Outlook 4 report for various r...

AI summary NSPI explains that battery storage's effective load carrying capacity (ELCC) diminishes as penetration increases, citing the 2019 Capacity Study. This is due to their energy-limited nature, with ELCC dropping from 85% for 30 MW to 38% for 200 MW battery resources.

mitted to the Board. Please ensure that this latest version, the 2023 10-Year System Outlook Report, is posted to the OASIS site. Yours very truly, Crystal Henwood Regulatory Affairs Officer/Clerk c. William Mahody, Board Counsel M10653 Pa...

AI summary A regulatory affairs officer submits the 2023 10-Year System Outlook Report to the Board, requesting its posting on the OASIS site. The letter is addressed to Board Counsel with reference to matter M10653.

Document: 305605 (P-194) Date Filed: Sept. 22, 2023 NSUARB (NS Power) Page 1 of 4 1 Request IR-1: 2 Referencing page 6 of 59 and Figure 6 on page 19 of 59, NS Power stated that the results of the 3 2022 IRP evergreen scenario CE1-E1-R2 wer...

AI summary The document outlines six requests for clarifications and updates related to Nova Scotia Power's Integrated Resource Plan (IRP), including project status updates, interruptible load changes, capacity contributions from the Maritime Link, energy mix shifts, capital investment tables, and system upgrade details for TSR 400. Requests focus on data accuracy, project timelines, and alignment with regulatory expectations.

Request IR-6: 33 Figure 13 on page 31 of 59 states that system upgrades associated with TSR 400 are in progress. 34 Please list each upgrade component, as well as the current status, and the actual or planned in- 35 service dates.

AI summary The regulator requests detailed information on system upgrades related to TSR 400, including components, current status, and in-service dates, as outlined in Figure 13 on page 31 of the document.

of 59 states that system upgrades associated with TSR 400 are in progress. 34 Please list each upgrade component, as well as the current status, and the actual or planned in- 35 service dates.

AI summary The text references ongoing system upgrades tied to TSR 400 and requests detailed information on each component, current status, and service dates. It highlights the need for transparency regarding infrastructure progress.

ter M06966 (2015 10- 30 Year System Outlook Report) stated: 31 32 On page 55 of the SO Report, NSPI noted that it continues to proceed with the 33 acquisition of a right-of-way to accommodate a second 345 kV circuit between 34 Nova Scotia...

AI summary NSP reported 86% completion of a second 345 kV circuit right-of-way between Nova Scotia and New Brunswick by late 2015, referencing Board approval for Capital Item #29009 (Matter M03348). The progress was detailed in the 2015 Year System Outlook Report.

t between 34 Nova Scotia and New Brunswick, and that completion by the end of 2015 was at 35 86%. It also noted that Board approval of this Capital Item #29009 (Matter M03348)

AI summary The text references the NS-NB Reliability Intertie Project, noting 86% completion by 2015 and citing Board approval of Capital Item #29009 (Matter M03348). It highlights infrastructure progress and regulatory oversight of capital expenditures.

Document: 305605 (P-194) Date Filed: Sept. 22, 2023 NSUARB (NS Power) Page 3 of 4 1 was received on July 21, 2010. In IR-10, it was noted that virtually no progress has 2 been made with this project since both the 2013 and 2014 SO Reports...

AI summary The document contains questions regarding the status of a Right-of-Way (ROW) acquisition, the Reliability Tie project's progress (including system studies, environmental compliance, and intertie agreements), and a Canadian government funding announcement for battery installations. Nova Scotia Power (NSP) is asked to explain delays and provide updates on project timelines and regulatory filings.

rthy to note that on February 3 and 4, 2023, Nova Scotia experienced a severe cold weather event, which resulted in an all-time high hourly peak load of 2455 MW. NS Power was able to meet that demand. The prior year 2022 10-Year SO Report...

AI summary The document discusses Nova Scotia's experience with a severe cold weather event in February 2023, NS Power's ability to meet peak demand, updates to the Integrated Resource Plan (IRP) including the Evergreen IRP scenario CE1-E1-R2, the proposed Reliability Tie project, and the Board's acceptance of the 2023 10-Year System Outlook Report. It also references the 2024 ACE Plan and 'The Path to 2030' in Matter M11458.