Topic:"Renewable Energy" in M12619

bility. These targeted reliability projects include vegetation 26 management, storm hardening and reliability upgrades, targeted device replacements, and 27 grid modernization. 28 Date: December 12, 2025 Page 8 of 782 REDACTED REDACTED (CO...

AI summary The 2026 ACE Plan focuses on safety compliance, environmental compliance, and aligning with the coal phase-out and renewable energy goals. It includes projects such as hydro dam safety upgrades, PCB remediation, and grid modernization, and addresses directives from the 2025 ACE Plan Decision.

1 5. The Board directs NS Power to provide an update on the Centre for Energy Advancement 2 through Technological Innovation (CEATI) Grid Resiliency working group in the 2026 3 ACE Plan. 6 Please refer to Section 11.1.4. 4 6. The Board dir...

AI summary The Board has directed NS Power to provide updates and analyses related to several projects and plans, including the Centre for Energy Advancement through Technological Innovation (CEATI) Grid Resiliency working group, pole upgrades, The Path to 2030, and the Mersey Hydro System Redevelopment Project, as part of the 2026 ACE Plan.

MacDonald Dam Access Improvements 963,078 1,547,398 This project is for the construction of an access walkway along the top of the spillway to a low level sluiceway gate for the Hydro Operations team to be able to adjust downstream flow re...

AI summary The document outlines several infrastructure projects related to hydro operations and environmental improvements. These include constructing an access walkway at the MacDonald Dam, building a fish passage at the Tusket Powerhouse, replacing a rubber dam at Lumsden, and decommissioning the Annapolis Tidal Generating Station.

CI# Project Title 2026 Budget ($) Project Total ($) and intermediate pressure steam from the boiler to produce power through the generator. C0082195 LIN2 2025/26 Capacity Requirement 299,478 3,162,203 This project is for the component refu...

AI summary The document outlines several infrastructure and maintenance projects across Nova Scotia's energy sector, including asset refurbishment, replacement of equipment, and system upgrades to ensure operational reliability and compliance with environmental regulations.

1,102,575 1,353,592 This project is for refurbishment of priority areas of the roof at the Sydney Coal Railway Transportation & Rail Maintenance Centre (Rail Centre). Total New Steam Spending for Subsequent Approval 10,402,603 24,560,654 T...

AI summary The text outlines various capital expenditure projects in Nova Scotia, including roof refurbishment, synchronous condensers, transmission tower rerouting, and network upgrades for wind farms. These projects aim to enhance infrastructure and support renewable energy integration.

D REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2026 ACE Plan CONFIDENTIAL (Attachments Only) 1 6.0 GENERATION 2 3 Generation capital includes replacements, refurbishments and additions to NS Power’s Thermal, 4 Hydro, Wind, Combustion Turbin...

AI summary The 2026 ACE Plan discusses NS Power's capital investment in generation, highlighting increases due to major thermal outages and hydro dam safety projects, aligning with the updated unit missions of the legacy thermal fleet as outlined in the 10 Year System Outlook filing.

1 using the Asset Management Mechanism described in Section 3.0, which enables consistent, risk- 2 informed prioritization across the fleet. Investments are selected to maintain safety, reliability, and 3 affordability, with consideration...

AI summary The text outlines NS Power's approach to asset management, emphasizing risk-informed prioritization, safety, reliability, and affordability. It highlights the transition of thermal generation assets toward retirement or fuel conversion by 2030, in line with the Province’s Clean Power Plan, and discusses capital investment plans for both thermal and renewable generation in 2026.

Right-of-Way Widening 128.9 ECEI 7.2 3 3.3 4 5 Transmission investment is guided by NS Power’s Asset Management mechanism and the Capital 6 Expenditure Justification Criteria (CEJC). Asset condition and criticality are evaluated using the...

AI summary The document outlines NS Power’s transmission investment strategy, guided by its Asset Management mechanism and Capital Expenditure Justification Criteria (CEJC). It emphasizes reliability, customer growth, and compliance with environmental obligations, including the Clean Power Plan, which aims for 80% renewable electricity by 2030. Investments in the Eastern Clean Energy Initiative (ECEI) and battery storage are highlighted.

404,118 58,444 462,562 Total Distribution Right-of-Way Widening 13,223,182 Note: Totals may be slightly off due to rounding. 1 2 Pursuant to CI 49611 - New Distribution Rights-of-Way Phase I, submitted to the Board on 3 November 1, 2016, L...

AI summary The document discusses NS Power's response to Post-Tropical Storm Arthur, including recommendations for managing overgrown distribution rights-of-way and the Board's direction to explore innovative financing options. It references a 2016 ACE Plan and a 2015 Board decision.

REDACTED REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2026 ACE Plan C0021608 Attachment 1 Page 1 of 34 October 2, 2025 Connor Lebans, P.Eng. Mechanical Engineer – Tufts Cove and CTs Tufts Cove Generating Station 315 Windmill Road Dartmouth...

AI summary This document outlines a condition assessment and conceptual repair options for a section of the SSP wall at the Tufts Cove Generating Station, which has become redundant due to the construction of a new rock revetment. The focus is on the portion of the wall between the new revetment and the Wharf Access Bridge.

NSPI TUFTS COVE SSP WALL REPAIR MARINE OPTION 1 - NEW COMBI WALL PLAN AND ELEVATION

AI summary The text refers to a repair project for the Tufts Cove Steel Sheet Pile (SSP) wall, with an option for a new combi wall plan and elevation under the Marine category.

Drawing No DRAWING NAME: Y:\HALIFAX\DATA\PROJECTS\2022\220322.00 NSPI TUFTS COVE SSP WALL\44 CAD\03 STRUCT\220322.00-MSK02.DWG LAYOUT NAME: OPTION 1 - NEW COMBI WALL PLAN AND ELEVATION PLOT DATE: Thursday, March 9, 2023 11:12:00 AM CAD OPE...

AI summary The text provides a drawing name, layout name, plot date, and CAD operator information for a project related to the Nova Scotia Power Incorporated Tufts Cove Steel Sheet Pile Wall. It includes a title sheet reference and a file path.

NSPI TUFTS COVE SSP WALL REPAIR MARINE OPTION 3 - ELEVATION AND SECTIONS

AI summary The document discusses a repair project for the Tufts Cove SSP wall, focusing on elevation and sections under the marine option. It includes details about the project's scope and structure.

ED units replace in pairs. Repair the loose conduit at the locking nut to the AOL light at the 265’ elevation. please see photo graphs # 3, 37 for further information. Date: December 12, 2025 Page 229 of 782 REDACTED REDACTED (CONFIDENTIAL...

AI summary The text outlines repair tasks for the Tufts Cove Generating Station Unit #2, including replacing damaged caulk sealant, preparing concrete columns for painting, and recommending stack inspections. Contact information for Commonwealth Dynamics Limited is provided for further inquiries.

ur operating units, which provide multiple benefits to NS Power and its customers. This unit, along with all the other combustion turbines, provides essential ancillary services to the system such as: • Peaking capacity – generation used t...

AI summary The text discusses the importance of maintaining four operational units at Burnside, highlighting their role in providing peaking capacity, black start capability, and fast-acting generation to support system reliability, especially with the integration of variable renewable energy sources like wind.

of capital asset criteria and, depending upon requirements, the land will be retained or sold. Month DD, YYYY Page 46 of 54 Date: December 12, 2025 Page 511 of 782 REDACTED REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2026 ACE Plan Appendix...

AI summary Nova Scotia Power Inc. outlines criteria for retaining or releasing abandoned rights-of-way and justifies capital expenditures for hydro, wind, and biomass assets based on safety, legal compliance, economic benefits, reliability, and failure risk. Surplus rights-of-way may be released to property owners.

• When the probability of failure is high enough that: • Making the proposed capital investment reduces the costs compared to con nuing to repair the exis ng asset; • The es mated cost reduc on is of significant magnitude to meet NS Power’...

AI summary NS Power's capital expenditure criteria prioritize economic justification, requiring projects to demonstrate cost reductions compared to repairing existing assets and align with Nova Scotia's Renewable Energy Standards. Thermal asset replacement must balance financial criteria, customer benefits, and renewable energy alternatives.

efit to customers while allowing NS Power to meet its objec ves. The capital planning cycle for any given year typically begins early in the preceding year and concludes at the filing of the ACE Plan. Although the oversight and management...

AI summary Nova Scotia Power Inc. (NS Power) outlines its capital planning process, emphasizing centralized oversight and annual ranking of projects based on health and safety, regulatory compliance, customer reliability (SAIDI, SAIFI), requirement to serve, and economic factors (NPV, ACHI). Projects are reviewed to align with strategic goals and ensure justification.

nings, or aid in the development of business cases where applicable, regarding the efficacy of innova on technology in improving the reliability of the system. Environmental and Other Compliance The Nova Sco a Renewable Energy Standards prov...

AI summary Nova Scotia's Renewable Energy Standards mandate 40% renewable generation from NS Power by 2020, with compliance through technologies like battery storage. Innovation projects must support environmental compliance or provide data for business cases. Customer experience initiatives aim to meet evolving expectations through technology.

the open market. In such instances the property may be acquired if no economically prac cal alterna ve property is available to sa sfy the requirements of the future project in ques on. Land Disposal NS Power can dispose of, lease or grant...

AI summary The document outlines NS Power's policies for land and asset management, including disposal of surplus land, buildings, and rights-of-way, while emphasizing environmental compliance. It also addresses capital planning and expenditure justification criteria for hydro, wind, and biomass assets.

ed na onal standards of stability and flood management capability for exis ng structures, or where accepted criteria of "due diligence" for public and environmental safety cannot be met. • Generator stators will be rewound when there is a...

AI summary NS Power outlines procedures for generator stator maintenance and thermal asset replacement, emphasizing insulation testing, economic justification for capital expenditures, and compliance with Nova Scotia's Renewable Electricity Standards. Decisions prioritize energy value over costs and align with renewable energy mandates.

2026 ACE Plan Appendix E Page 5 of 17 Mersey Hydro Update Non-Confidential

AI summary The 2026 Annual Capital Expenditure (ACE) Plan Appendix E, page 5, details the Mersey Hydro Update, a non-confidential document outlining project progress and financial considerations.

eased from $68.1 million in Appendix G of the 2025 ACE Plan to 26 the current forecast of $79.2 million. NS Power continues to revise the profile of the investment 27 in accordance with its asset management principles to ensure projects ar...

AI summary NS Power is revising the investment profile in the 2026 ACE Plan, increasing the amount from $68.1 million to $79.2 million, aligning with asset management principles to schedule projects appropriately. The Mersey Hydro Update is part of the non-confidential information discussed.

2026 ACE Plan Appendix E Page 6 of 17 Mersey Hydro Update Non-Confidential

AI summary The 2026 ACE Plan Appendix E discusses updates related to Mersey Hydro, focusing on non-confidential information. The document appears to address capital expenditure planning and renewable energy initiatives under Nova Scotia's regulatory framework.

2026 ACE Plan Appendix E Page 12 of 17 Mersey Hydro Update Non-Confidential

AI summary The text references an update on Mersey Hydro within the 2026 ACE Plan, specifically Appendix E, page 12, marked as non-confidential. The content appears to outline procedural or project-related information for regulatory review.

ties with drawing down 23 reservoirs. Consideration of impacts to communities and exposure of Mi’kmaw archaeological 24 resources are hard to quantify in a decommissioning (re-naturalized) scenario. Decommissioning 25 estimates are indicat...

AI summary The decommissioning of Mersey Hydro reservoirs presents complex challenges, including quantifying impacts on communities and Mi'kmaw archaeological resources, leading to unclassified estimates and higher contingency requirements due to these uncertainties.

2026 ACE Plan Appendix E Page 16 of 17 Mersey Hydro Update Non-Confidential

AI summary The text references the 2026 ACE Plan Appendix E, focusing on a Mersey Hydro Update. It indicates a non-confidential section of the plan discussing updates related to the Mersey Hydro project.

s more information is obtained, and the HIP is 23 continuously updated as forecasts are revised as result. 24 25 NS Power reiterates that it is committed to ensuring the Mi’kmaw, stakeholders, and the Board are 26 actively engaged prior to...

AI summary NS Power emphasizes stakeholder engagement for the Mersey Redevelopment project, relying on the 2025 Integrated Resource Plan (IRP) for decision-making. NPV figures exclude full system replacement costs, and a Capital Item (CI) application will be submitted post-IRP completion. Engagement with the Mi’kmaw and DFO is ongoing.

1 TABLE OF CONTENTS 2 3 1.0 EXECUTIVE SUMMARY ................................................................................................. 5 4 2.0 INTRODUCTION .............................................................................

AI summary The document outlines Nova Scotia's 2030 decarbonization goals, including 80% renewable electricity sales and coal phase-out, along with initiatives like the Clean Power Plan, Independent Energy System Operator, and Resource Development Plan focusing on wind, solar, and community programs.

.................................... 23 17 6.1.5 Commercial Net Metering ........................................................................ 25 18 6.1.6 Additional Renewable Energy Procurements ...........................................

AI summary The document outlines sections of an Integrated Resource Plan (IRP) action plan, including commercial net metering, battery storage projects, renewable energy integration, the NS-NB Reliability Intertie Project, fast-acting generation, fuel conversions, and coal phase-out initiatives. Key topics include renewable energy procurement, grid stability, and infrastructure planning.

ration Phase-Out................................................................................... 35 30 7.0 ADDITIONAL IRP ACTION PLAN AND ROAD MAP ITEMS ................................... 38 Page 2 of 55 Date: December 12, 2025 Page 65...

AI summary This document outlines the 2026 ACE Plan's update, covering demand-side management, hybrid peak/load management, green hydrogen projects, offshore wind, and project accountabilities, coordination, and risk management strategies for Nova Scotia's energy sector.

2026 ACE Plan Appendix F Page 4 of 55 The Path to 2030 – 2025 Update Non-Confidential 1 TABLE OF FIGURES 2 3 Figure 1 - 2030 Clean Power Plan Resources ................................................................................. 6 4 F...

AI summary The appendix lists figures related to Nova Scotia's 2030 Clean Power Plan, including project statuses for renewable energy initiatives, battery storage (Bridgewater BESS), and coal retirement timelines. It outlines the 2025 10-Year System Outlook Report and tracks progress on the Green Choice Program, PHP Wind, and Minas Highlands Wind projects.

for this year’s Path to 2030 update. With respect to 12 resources, sizing, and timing, this update to The Path to 2030 report is consistent with the 2025 13 10YSO report unless otherwise noted. 14 15 Figure 1 - 2030 Clean Power Plan Resour...

AI summary The document updates the 2030 Clean Power Plan resources, aligning with the 2025 10YSO report. It details renewable energy projects (wind, solar, storage) with their capacities and construction dates, including the NS Power BESS Project, Green Choice Program, and future procurement timelines.

Resources Stage 1 300 2027 20274 Stage 2 300 2029-2030 2029-20304 Page 6 of 55 Date: December 12, 2025 Page 659 of 782 REDACTED REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2026 ACE Plan Appendix F Page 7 of 55 The Path to 2030 – 2025 Updat...

AI summary The document outlines energy resource plans including fuel conversions at existing units (e.g., Point Tupper 2, Lingan 1/3/4), new wind/solar capacity (1,139 MW), energy storage (200–400 MW), fast-acting generation (600 MW), and load management initiatives (150 MW) from 2025–2029. Projects are scheduled for 2027–2030 with specific capacity and commissioning dates.

600 Total Fuel Conversions 609 Load Management Initiatives 150 2025-2029 2025-2029 Total Coal Phase Out 1,229 1 1 Timing has been updated to reflect that this wind project will come online in phases. Please refer to Section 6.1.3.3 2 for f...

AI summary The document outlines Nova Scotia Power's strategy to integrate renewable and dispatchable resources through the Evergreen IRP Action Plan, emphasizing collaboration with stakeholders including the government, IPPs, EfficiencyOne, Mi’kmaw partners, and IESO-NS. It highlights flexibility in resource additions and coordination for The Path to 2030, incorporating load management and green hydrogen development.

ESO-NS. These parties will have 16 various accountabilities in the development and execution of projects that will add and integrate 17 both renewable and dispatchable resources to the grid. 18 Page 7 of 55 Date: December 12, 2025 Page 660...

AI summary The document references ESO-NS's role in integrating renewable and dispatchable resources into the grid, with a focus on the 2026 ACE Plan Appendix F. It outlines project development and execution responsibilities for stakeholders.

: 30 31 • The 2030 Decarbonization Goals 32 • The Province of Nova Scotia’s 2030 Clean Power Plan 33 • Creation of the Independent Energy System Operator of Nova Scotia (IESO-NS) Page 8 of 55 Date: December 12, 2025 Page 661 of 782 REDACTE...

AI summary The document outlines Nova Scotia's 2030 Clean Power Plan, the Integrated Resource Plan (IRP) Action Plan, and the creation of the Independent Energy System Operator of Nova Scotia (IESO-NS). It details resource development, project management, and timelines for meeting decarbonization goals.

2026 ACE Plan Appendix F Page 10 of 55 The Path to 2030 – 2025 Update Non-Confidential 1 3.0 2030 DECARBONIZATION GOALS 2 3 NS Power’s 2030 decarbonization goals are mandated under several legislative and regulatory 4 frameworks. Although...

AI summary NS Power must achieve 80% renewable electricity sales by 2030 under amended regulations, requiring an additional 1,100 GWh from independent producers and allowing out-of-province renewable sources. These goals are integrated into the Evergreen IRP and the 2030 Clean Power Plan.

urce outside Nova Scotia. 22 23 This requirement was incorporated into the most recent Evergreen IRP and is considered in the 24 2030 Clean Power Plan. 25 2 N.S. Reg. 110/2021. Page 10 of 55 Date: December 12, 2025 Page 663 of 782 REDACTED...

AI summary Nova Scotia's Environmental Goals and Climate Change Reduction Act mandates 80% renewable electricity by 2030 and coal phase-out by 2030. These targets are integrated into the Evergreen IRP and 2030 Clean Power Plan, with the 2026 ACE Plan Appendix F detailing implementation steps.

rovincial goal to phase out coal-fired electricity generation by 2030, the federal 2 13 Reduction of Carbon Dioxide Emissions from Coal-fired Generation of Electricity Regulations 4 14 prescribe various regulations on coal generating units...

AI summary Nova Scotia aims to phase out coal-fired electricity by 2030, aligning with federal regulations and the Evergreen Integrated Resource Plan (IRP). The Clean Electricity Regulations (CER), effective 2035, support Canada’s net-zero goal by 2050 and align with Nova Scotia Power’s strategy to use emitting generation in peaking capacity.

2026 ACE Plan Appendix F Page 12 of 55 The Path to 2030 – 2025 Update Non-Confidential 1 • Establishing an allowable emissions limit of 65 tonnes/GWh and the opportunity to 2 purchase additional offsets at 35 tonnes/GWh until the end of 20...

AI summary The 2026 ACE Plan Appendix F outlines emissions limits under the Clean Electricity Regulations (CER), including a 65 tonnes/GWh cap, offset purchase options at 35 tonnes/GWh until 2049, and pooling emissions for units commissioned by 2029. The CER also allows 'planned unit' exemptions for projects meeting specific milestones. Nova Scotia's 2030 Clean Power Plan is referenced as a framework for decarbonization.

ower Plan is 6 shown in Figure 2 below. 7 8 Figure 2 - Nova Scotia's 2030 Clean Power Plan (October 2023) 9 6 nova-scotia-clean-power-plan-presentation-en.pdf (novascotia.ca) Page 13 of 55 Date: December 12, 2025 Page 666 of 782 REDACTED R...

AI summary The document references Nova Scotia's 2030 Clean Power Plan and its 2025 update under the 2026 ACE Plan, highlighting the Path to 2030 initiative. It includes a figure and a link to a presentation, though key details are redacted.

2026 ACE Plan Appendix F Page 16 of 55 The Path to 2030 – 2025 Update Non-Confidential 1 6.0 RESOURCE DEVELOPMENT PLAN ELEMENTS 2 3 6.1 Wind and Solar Resources 4 5 The 2030 Clean Power Plan incorporates a significant quantity of new varia...

AI summary The 2030 Clean Power Plan includes the Rate Base Procurement (RBP) program, initiated by Nova Scotia in 2021 to secure 1,100 GWh of renewable energy. Four RBP projects totaling 306 MW are underway, with commercial operation dates ranging from late 2025 to 2026. NS Power collaborated with RBP Interconnection Customers on engineering and construction support in 2025.

1 projects to date: both IR-673 and IR-669 are expected to be in service in the near-term as per the 2 forecast COD table (Figure 3 above). In addition, both IR-668 and IR-677 are making progress in 3 engineering and construction to achiev...

AI summary The document discusses the progress of projects IR-673, IR-669, IR-668, and IR-677, and details the Green Choice Program (GCP), established under the 2022 Electricity Act amendments. The GCP aims to procure 1,500–2,000 GWh of low-impact renewable energy annually for large consumers, supporting Nova Scotia’s 2030 decarbonization goals. NS Power collaborates with the Department of Energy (DOE) and executes participant agreements for the program.

1 • Submitting an annual report, on or before January 31 of each year, to the Minister and the 2 Board as required under the Green Choice Program Regulations. 12 3 4 In January 2025, six renewable energy projects were selected by the Procu...

AI summary The Green Choice Program (GCP) selected six renewable energy projects in 2025, with two entering the System Impact Study phase. Projects like IR 732 – Eigg and IR 826 – Sugar Maple Wind have pending interconnection agreements and target COD in 2028. Nova Scotia Power (NS Power) will support development, while the Province announced a new procurement process in September 2025 to meet GCP capacity targets.

ades for each project. 17 18 In September 2025, the Province of Nova Scotia announced its intention to initiate a new 19 procurement process to ensure the GCP achieves its targeted capacity. 14 20 12 Green Choice Program Regulations - Elec...

AI summary The Province of Nova Scotia plans to restart a procurement process for the Green Choice Program (GCP) to meet its capacity targets after four projects withdrew. This follows regulatory updates and media coverage on wind energy procurement challenges, with context provided by the 2026 ACE Plan and related documents.

1 6.1.3 Prescribed Generation Facilities 2 3 In August 2024, the Province amended the Prescribed Energy-Storage Projects Regulations to 4 include prescribed generation facilities, creating the Prescribed Generation Facilities and Energy- 5...

AI summary Nova Scotia amended regulations in 2024 and 2025 to include prescribed generation facilities, capping total output at 1,140 MW. Seven wind projects, including three in The Path to 2030, are prescribed. The Port Hawkesbury Paper Wind project (168 MW) is under development, with construction progressing since 2024 and expected commercial operation by Q4 2026.

bases, pouring the foundation for the substation, and installing poles for the collection system.19 24 PHP Wind continues to forecast commercial operation to start in the fourth quarter of 2026. 25 15 Prescribed Generation Facilities and E...

AI summary PHP Wind's project progress includes site preparation and infrastructure development, with a forecasted commercial operation in Q4 2026. Regulatory references include the Prescribed Generation Facilities and Energy-Storage Projects Regulations and Bill 149, Powering the Offshore Act. The text also cites meeting minutes related to the project.

2026 ACE Plan Appendix F Page 20 of 55 The Path to 2030 – 2025 Update Non-Confidential 1 NS Power has been supporting the PHP Wind project as it moves through the GIP. There are 2 currently two IRs associated with the project. Goose Harbou...

AI summary NS Power is supporting the PHP Wind project through the Generator Interconnection Process (GIP), with two Information Requests (IRs) in progress. The Minas Highlands Wind Limited project (IR 762) is also advancing, with System Impact and Facilities Studies ongoing. Both projects aim for commercial operation by late 2026.

Agreement IR 762 – Minas In Progress In Progress Pending Dec 31, 2026 Highlands Wind 13 14 6.1.3.3 Renewable to Retail / Mersey River Wind Inc (IR 597 and IR 675) 15 16 The Renewable to Retail (RtR) electricity market was established in No...

AI summary The Renewable to Retail (RtR) electricity market in Nova Scotia, established in 2016, enables independent retailers to sell renewable energy directly to NS Power’s retail customers. The text references the Path to 2030 and the 2025 10 Year System Outlook, part of the 2026 ACE Plan Appendix F.

1 contain 148.5 MW of new wind generation proposed to supply RtR customers (IRs 597 and 675) 2 with first commercial operation anticipated in the fourth quarter of 2026. 3 4 On October 27, 2021, the Board approved an application by Renewal...

AI summary Renewall Energy Inc. seeks extensions to its deadline for selling renewable low-impact electricity under its Retail Supplier license. The Nova Scotia Energy Board (NSEB) has repeatedly approved extensions, with the latest deadline set to March 31, 2027. A conditional Power Purchase Agreement (PPA) was issued for the Mersey River Wind project, backed by the Minister of Energy.

on that the Canadian 22 Infrastructure Bank instructed Renewall to request a three-month extension as a contingency 23 against unforeseen schedule delays and so the request to extend the deadline for selling renewable 24 low-impact electri...

AI summary The Canadian Infrastructure Bank approved a three-month extension for Renewall to sell renewable low-impact electricity until March 31, 2027. Mersey River Wind Phase I is expected to reach commercial operation in Q4 2026, with NS Power supporting the project's transmission infrastructure. A Board Decision (M10293) from October 27, 2021, is referenced.

1 2 (IR 675) is forecast to reach commercial operation in Q1 2027, with the supporting operating 2 study to be completed beforehand to assess system impact. This will bring the total installed 3 capacity of the Mersey River Wind projects t...

AI summary The document outlines the progress of Mersey River Wind projects (Phases I and II) with capacities of 90 MW and 112.5 MW, respectively, and their expected commercial operation dates. It also notes the status of other interconnection requests (IR 739, IR 785) and the Generator Interconnection Process (GIP) for Renewable to Retail (RtR) projects.

- West Withdrawn Wind Farm 14 1 This is a change from the 2024 update as the EMT analysis for IR 597 was incorporated into the IR 675 15 plant model, which was modified to include both IR 597 and IR 675 as a single plant. 16 2 March 31, 20...

AI summary The 2026 ACE Plan incorporates EMT analysis for IR 597 into the IR 675 plant model, modifying it to combine both as a single plant. The first 54 MW of Mersey Wind 2 is scheduled for COD on March 31, 2027, reflecting updates to the 2024 IRP analysis.

1 6.1.4 Community Solar Program 2 3 The Community Solar Program launched in Q1 2024, following proclamation of amendments to 4 the Electricity Act 21 and the registration of the Community Solar Regulations. The program was 5 first conceive...

AI summary The Community Solar Program, launched in Q1 2024, aims to enable 50 MW of new community solar generation and equitable access to renewable energy. Administered by NS Power, it allows eligible entities (e.g., municipalities, First Nations, not-for-profits) to develop solar gardens with capacities between 0.5 MWac and 10 MWac. The first project, a 0.585 MW garden in Sydney, Cape Breton, enrolled 44 subscribers in March 2025.

1 • A 4.8 MW community solar garden in Brooklyn, Annapolis County 24 2 • A 1.7 MW community solar garden in Sydney 25 3 • A 2.2 MW community solar garden in West Petpeswick 26 4 5 The forecast commercial operation date for these three proj...

AI summary The text outlines three community solar projects in Nova Scotia with a combined capacity of 8.7 MW, slated for Q3 2027. NS Power has completed 31 preliminary assessments under the Community Solar Program, managed by the Provincial DOE. Projects require a PPA and DSIS studies. NS Power will file its first program report with the NSEB by January 31, 2027, per regulatory requirements and a Board Order.

1 6.1.5 Commercial Net Metering 2 3 April 2022 amendments to the Electricity Act (Nova Scotia) established the framework for a new 4 net metering program. October 2022 amendments to the Renewable Energy Regulations 29 required 5 that NS Po...

AI summary Nova Scotia Power Inc. (NS Power) implemented the Commercial Net Metering Program (CNMP) following 2022 legislative amendments. The program allows customers to generate renewable energy and export excess to NS Power, with energy credits applied annually. As of 2024, 4,140 kW of solar PV was installed, with 82% of requests for Class 1 service (up to 100 kW).

1 • The remaining 18 percent of requests were for Class 2 Commercial Net Metering Service 2 (Generators greater than 100 kW up to 1 MW). 3 • 12 percent of requests were for generators having a nameplate capacity greater than 200 4 kW (Name...

AI summary NS Power has completed 16 preliminary assessments under the Commercial Net Metering Program (CNMP), totaling 3.5 MW of potential capacity. Over 12.4 MW of capacity has been assessed since the program's start. Additional renewable energy procurement is needed beyond current projects to meet the 2030 80% renewable energy standard, with responsibility for future procurements falling to the government and IESO-NS.

ed a new procurement process should be initiated targeting 1,000 – 1,200 GWh of low- 26 impact renewable electricity in order to meet the 2030 80 percent renewable energy standard. 30 In 27 September 25, 2025, the Nova Scotia Energy Minist...

AI summary The document proposes initiating a procurement process targeting 1,000–1,200 GWh of low-impact renewable electricity to meet Nova Scotia's 2030 80% renewable energy standard. It references the Nova Scotia Energy Minister's announcement of reissuing a call for new renewable energy sources and seeking a new procurement administrator, citing M12386 and the 2025 10 Year System Outlook.

r new renewable energy sources and the Province was looking for a new procurement 2 administrator to lead this initiative. 31 3 4 6.2 Battery Storage & Renewable Integration Resources 5 6 The 2030 Clean Power Plan calls for deployments of...

AI summary The 2030 Clean Power Plan mandates grid-scale storage in Nova Scotia, with 150 MW of 4-hour storage approved in 2024. NS Power's BESS project (ECEI) includes updates on Bridgewater, Spider Lake, and White Rock Road sites, with commercial operations expected by late 2025 and mid-2026. The NSEB's decision (M11539) and interim report (M12494) are referenced.

final BESS site under this project, is on track for commercial operation in 24 July 2026. 25 31 Nova Scotia to redo wind energy procurement after 4 projects drop out CBC News Page 27 of 55 Date: December 12, 2025 Page 680 of 782 REDACTED R...

AI summary Nova Scotia amended the Electricity Act in 2023 to enable competitive procurement of energy storage via RFPs and contracts. The Province confirmed in 2024 that future energy storage capacity will be procured by IESO-NS through a competitive process, with timing and quantity determined by the IESO-NS.

1 capacity is required to maintain supply reliability while meeting growing peak demand 2 requirements and replacing firm capacity that will be retired to comply with the 2030 coal phase- 3 out policy requirements. NS Power’s further study...

AI summary NS Power requires 600 MW of fast-acting generation by 2030 to meet growing demand and replace retiring coal capacity, aligning with the 2030 coal phase-out policy and Clean Electricity Regulations (CER). Procurement responsibility shifted to IESO-NS in 2024, as outlined in The Path to 2030 – 2024 Update (M12012).

ls (fuel switching). 22 23 6.5 Fuel Conversions at Existing Units 24 25 The 2030 Clean Power Plan includes alternate fuel operation at four of NS Power’s existing 26 thermal units. Similarly, the Evergreen IRP identified that alternate fue...

AI summary The 2030 Clean Power Plan and Evergreen Integrated Resource Plan (IRP) propose alternate fuel operations at four NS Power thermal units. References include IESO-Nova-Scotia-REOI-for-Capacity.pdf and exhibits from M12412 related to expenditure and revenue requirements.

1 Extension Period). As such, E1’s prior five-year DSM Plan development was temporarily paused 2 while E1 prepared and filed its 2026 DSM Plan Extension Application, which remains an open 3 Matter before the Board. 43 E1’s 2026 DSM Plan ta...

AI summary E1's 2026 DSM Plan extension targets 528.7 GWh energy savings and 16.3 MW DR capacity with $236.8M investment. NS Power collaborates with DSMAG on cost-effectiveness frameworks and electrification strategies, focusing on affordability and peak load reduction through hybrid electrification scenarios.

1 developed with property owners and industry stakeholders, to explore new opportunities for 2 flexible load management in electrified multi-tenant settings. 3 4 Engagement efforts during the season included a kickoff meeting in November 2...

AI summary NS Power engaged stakeholders in 2024-2025 for flexible load management in multi-tenant settings, filed a TVP Season approach, and received Board approval to align tariffs with standard rates during system outages. The Board emphasized rate equity and program continuity, while NS Power concluded its SGNS project, validating DER coordination benefits for affordability and reliability.

n orchestrating diverse DER assets to provide 25 measurable system benefits. Following the Board’s October 2024 decision on the SGNS Final 26 Report (M11621), NS Power initiated the Distributed Energy Resource Integration Roadmap 27 (DERIR...

AI summary NS Power initiated the Distributed Energy Resource Integration Roadmap (DERIR) following the Board’s October 2024 decision on the SGNS Final Report, engaging Dunsky Energy + Climate Advisors for jurisdictional scans, framework development, and stakeholder engagement.

1 2 Through 2025, NS Power has made steady progress on the DERIR initiative. The initial 3 framework, first stakeholder workshop, development of list of DER-related initiatives, second 4 stakeholder workshop, and one-on-one interviews with...

AI summary NS Power has advanced the DERIR initiative through stakeholder engagement and planning, while exploring green hydrogen projects with developers like EverWind Fuels and Nova Sustainable Fuels. These projects require incremental resources beyond current load forecasts, highlighting the need for additional capacity and renewable energy integration.

and the significant load requirement, the following outlines 25 the common approach by the developers: 26 27 • Developers will self-develop and supply renewable resources including a mix of wind, 28 solar and battery storage (depending on...

AI summary Developers plan to self-develop renewable resources (wind, solar, battery storage) and require a new tariff structure for grid interaction. This is outlined in the 2026 ACE Plan Appendix F, highlighting grid integration challenges and renewable energy deployment strategies.

2026 ACE Plan Appendix F Page 44 of 55 The Path to 2030 – 2025 Update Non-Confidential 1 o Top up in hours when their self-supplied resources do not meet their firm load 2 requirements or, in some cases, when additional resources are requi...

AI summary The 2026 ACE Plan Appendix F discusses hydrogen development and offshore wind initiatives in Nova Scotia. It references the Province’s Green Hydrogen Action Plan (2023) and outlines offshore wind procurement goals (5 GW by 2033–2035). NS Power’s IRP Roadmap Item 11 assesses hydrogen tariff impacts on the Action Plan.

en industry. Since that time, the NS 23 DOE has established an offshore wind procurement schedule, which would see the initiation of 24 offshore wind operations in approximately 2033 – 2035. 25 48 https://novascotia.ca/green-hydrogen/docs/...

AI summary The Nova Scotia Department of Energy (NS DOE) has established an offshore wind procurement schedule, with operations expected to begin between 2033 and 2035. This initiative aligns with broader renewable energy goals outlined in the 2026 ACE Plan.

1 The following are existing and future milestones to enable this: 2 3 • NRCan and the NS DOE designated Wind Energy Areas (WEA), which will be managed 4 by the Canada Nova Scotia Offshore Energy Regulator (CNSOER), in July 2025. 5 6 • A s...

AI summary Nova Scotia's offshore wind development includes milestones like WEA designation in 2025, strategic direction letters, and a 2026 bid process. While not part of the 2030 Clean Power Plan, NS Power monitors progress. The NZA-led study (2024-2026) evaluates offshore wind's potential for decarbonization, hydrogen, and export opportunities, with transmission planning phases ongoing.

ission expansion plan to support OSW, respectively. Ultimately, this study is 26 anticipated to be completed in Q1 2026 and will provide a thorough understanding of the 27 opportunities and challenges for integrating OSW into the Atlantic...

AI summary The document discusses a study on integrating offshore wind (OSW) into the Atlantic Canadian grid, led by NZA with NS Power's participation. The study, anticipated to complete in Q1 2026, will assess opportunities and challenges for provincial and regional integration, including domestic and export considerations.

1 8.0 PROJECT ACCOUNTABILITIES, COORDINATION, AND RISK 2 MANAGEMENT 3 4 NS Power believes that the Nova Scotia 2030 Clean Power Plan is a comprehensive and 5 appropriate clean energy transition plan. It is based on extensive studies and st...

AI summary NS Power asserts the Nova Scotia 2030 Clean Power Plan is comprehensive, based on stakeholder engagement and studies. It outlines roles: Province manages renewable projects until 2030 RES targets, NS Power handles fuel conversions and transmission, and IESO-NS oversees battery storage and fast-acting generation.

• Transition • Take • Coordinate • IPPs develop Stability responsibility to responsibility for preferred IPP renewable projects and Renew- identify required identifying project siting in compliance able assets through IPP required assets b...

AI summary The document outlines a framework for integrating renewable energy projects through Independent Power Producers (IPPs), emphasizing system studies, compliance with NS Power’s transmission requirements, and procurement via a utility-regulated model. It references the 2026 ACE Plan Appendix F and a 2025 update to 'The Path to 2030.'

competitive procurements for required products and services. 1 2 8.2 Implementation Coordination 3 4 The Province of Nova Scotia and NS Power are both committed to meeting 2030 coal phase-out 5 and 80 Percent Renewable Energy Standard targ...

AI summary Nova Scotia and NS Power collaborate on 2030 coal phase-out and 80% renewable energy targets through a Working Group, emphasizing program coordination and risk management for capital-intensive initiatives. The 2026 ACE Plan Appendix F outlines implementation strategies and risk mitigation frameworks.

1 project delays. Talent shortages have the potential to affect NS Power, its partners 2 across the province, and its contractors and suppliers. 3 4 4. Project Approvals 5 • 2025 Trend: No Change 6 • The 2030 Clean Power Plan requires the...

AI summary The text highlights project delays due to talent shortages impacting NS Power and partners, the need for approvals under the 2030 Clean Power Plan, risks in transitioning to fast-acting generation by 2027-28, and the publication of the Clean Electricity Regulations (CER) aligning with Nova Scotia policy. Key issues include environmental and regulatory approvals, procurement challenges, and renewable energy targets.

6. Evolving Policy Landscape 26 • 2025 Trend: Reduced Risk 27 • The final CER was published on December 18, 2024 and is in alignment with NS 28 Power’s current long-term strategy as it supports the use of emitting generation in 29 a peakin...

AI summary The 2025 update outlines alignment of the Clean Electricity Regulations (CER) with NS Power's strategy, emphasizing peaking generation and electrification policy impacts. Policy changes through 2030 will involve NERC, NPCC, and provincial/federal electrification policies. NS Power will adapt via its IRP Roadmap.

1 9.0 CONCLUSION 2 3 The Nova Scotia 2030 Clean Power Plan and The Path to 2030 represent a comprehensive clean 4 energy transition plan that is aligned with NS Power’s most recent IRP Action and Roadmap 5 update. Delivering on this plan w...

AI summary The Nova Scotia 2030 Clean Power Plan and The Path to 2030 outline a clean energy transition aligned with NS Power’s Integrated Resource Plan (IRP). Key 2025 progress includes wind farm construction, Power Purchase Agreements (PPAs) for 262 MW of wind capacity, Battery Energy Storage System (BESS) developments, NSEB approval for the Reliability Intertie project, and community solar initiatives.

1 Nevertheless, there are growing risks with some aspects of the plan, including: 2 3 • Delays in procuring new fast-acting generation, combined with the growing lead times seen 4 across the industry for new combustion turbines, create unc...

AI summary The text outlines risks in a plan, including delays in procuring fast-acting generation, attrition of Green Choice projects risking 80% renewable energy targets, and unclear timelines for energy storage beyond NS Power’s BESS project. NS Power notes flexibility in coal retirement timelines but emphasizes collaboration with IESO-NS and the Province to address procurement challenges.

................................ 62 17 7.3.1 Connected Assets ...................................................................................... 62 18 7.3.2 Fault Location Isolation and Service Restoration ................................

AI summary The document outlines sections of a reliability plan update by NS Power, focusing on connected assets, fault location isolation, and distributed energy resources (DERs). Appendices detail priority feeders and pole monitoring projects, while the 2026 ACE Plan Appendix G is referenced as part of the non-confidential update.

2026 ACE Plan Appendix G Page 43 of 71 NS Power Five-Year Reliability Plan - Update Non-Confidential 1 6.0 ADVANCED GRID MODERNIZATION PROGRAMS 2 3 2025-2029 Forecast Investment: $78 million 4 Forecasted Performance Standards SAIDI Reducti...

AI summary NS Power's Advanced Grid Modernization Program (2025-2029) aims to enhance grid reliability and efficiency through three initiatives: Connected Assets (real-time device control), FLISR (automated outage response), and DER integration. The $78 million investment targets a 0.06-0.11 SAIDI reduction.

n 104H In Design. Metro Kempt Rd (multiple devices) Planned for 2026 Execution 1 2 6.2 Fault Location Isolation and Service Restoration 3 4 2025-2029 Forecast Investment: $13 million 5 2025 Anticipated Year End Investment: $1.6 million 6 7...

AI summary NS Power advanced FLISR initiatives in 2025 through planning and standardization efforts, with a $13 million investment forecast for 2025-2029. The text also discusses the growing impact of DERs on electricity generation and consumption dynamics as the country transitions to net-zero.

aditional centralized dispatch as evidenced by growing numbers of net-metered connections. This 24 shift introduces new complexities for power utilities, particularly with respect to maintaining Page 47 of 71 Date: December 12, 2025 Page 7...

AI summary The document discusses NS Power's Five-Year Reliability Plan update, highlighting challenges from increasing net-metered connections and their impact on centralized dispatch and grid reliability. It emphasizes complexities for power utilities in maintaining system reliability amid distributed energy resource growth.

2026 ACE Plan Appendix G Page 48 of 71 NS Power Five-Year Reliability Plan - Update Non-Confidential 1 reliability and operational flexibility. To address these challenges, enhanced visibility, automation, 2 and control of DERs is importan...

AI summary NS Power's 2026 ACE Plan Appendix G discusses the integration of distributed energy resources (DERs) to enhance grid reliability and decarbonization. It highlights the DERMS project, stakeholder engagement, and alignment with Nova Scotia's 2030 Clean Power Plan, emphasizing coordinated DER management for system resilience.

with the province’s 2030 17 Clean Power Plan, and is intended to ensure DERs are deployed in a manner that enhances system 18 reliability, supports decarbonization, and delivers customer value. Page 48 of 71 Date: December 12, 2025 Page 75...

AI summary The text references the province’s 2030 Clean Power Plan, emphasizing the deployment of DERs to enhance system reliability, support decarbonization, and deliver customer value. It also mentions an update to NS Power’s Five-Year Reliability Plan and Appendix G of the 2026 ACE Plan.

ion 104H In Design. Metro Kempt Rd (multiple devices) Planned for 2026 Execution 2 3 7.3.3 Distributed Energy Resources (DERs) 4 5 As the presence of Distributed Energy Resources (DERs) such as solar, wind, and battery storage 6 continues...

AI summary The document discusses the importance of managing Distributed Energy Resources (DERs) such as solar, wind, and battery storage to maintain grid reliability and efficiency. NS Power plans to implement a DERMS platform through a capital work order in 2026 to enhance grid resilience and intelligence.

Project Details Reference ID RFP-01/2025-403 Project Name Tufts Cove TUC3 Precipitator Continuous Ash Hauling System Project Owner Michelle Sampson Project Type RFP Department Power Production - Tufts Cove & CTs Budget Project Description...

AI summary NSPI is seeking a service provider for the Tufts Cove TUC3 Precipitator Continuous Ash Hauling System project, with the RFP open from January 7 to January 28, 2025. The project is managed by Michelle Sampson under the Power Production department.

REDACTED 2026 ACE Plan CA IR-16 Attachment 2 Page 3 of 7 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 3.0 TRANSFORMER CONSTRUCTION 3.1 Type (i.e. sealed, conservator) Sealed Sealed 5.20 TG1/TG2 - N/A 6.0 ACCESSORIES 6.1 Electronic Temperatu...

AI summary The document outlines technical specifications and requirements for transformer construction and testing under the 2026 ACE Plan. It includes details about transformer types, accessories, and various tests to be conducted, as specified in the relevant sections of the specification.

2026 Annual Capital Expenditure (ACE) Plan (NSEB M12619) NSPI Responses to Consumer Advocate Information Requests 1 Request IR-23: 25 (e) Yes, NS Power does believe that creating distance between the treeline edge and power 26 lines will c...

AI summary NSPI responds to information requests regarding the 2026 Annual Capital Expenditure (ACE) Plan. It discusses the effectiveness of vegetation management in reducing outages, the coding of outage events, and the use of frontline employee data for decision-making.

1 Request IR-1: 2 3 Reference: N-1, 2026 ACE Plan, page 7, lines 19-29 4 5 In 2024, the creation of a new Independent Electricity System Operator in Nova 6 Scotia (IESO-NS) changed the electricity planning landscape in Nova Scotia, 7 8 and...

AI summary The creation of the Independent Electricity System Operator in Nova Scotia (IESO-NS) in 2024 has led to changes in project accountability for NS Power. NS Power aligns its decarbonization initiatives with the Province's Clean Power Plan and the Evergreen IRP, ensuring cost-effectiveness through competitive RFP processes and regulatory approvals.

(b) NS Power continues to engage with the Provincial Government to provide updates on the progress of the decarbonization projects led by NS Power, namely the synchronous condensers that will be procured and built by NS Power in support of...

AI summary NS Power is working with the Provincial Government on decarbonization projects including synchronous condensers for the Rate Base Procurement, Green Choice Program, and Port Hawkesbury Paper wind farms. IESO-NS is managing transition items from Phase 1 employee transfers and developing its workplan.

Date Filed: February 13, 2026 NSPI (IG) IR-4 Page 2 of 2 1 Request IR-5: 2 3 Reference: N-1, 2026 ACE Plan, page 14, Figure 1: NS Power Total Capital Investment: 4 Historical, Budget and Forecast. 5 6 Preamble: In the last two years, 2025...

AI summary NSPI explains the increase in capital spending budgets in 2025 and 2026, driven by initiatives to meet renewable energy targets and the Five-Year Reliability Plan. Key projects include the ECEI – Energy Storage and Synchronous Condenser projects, with significant investments planned over the next few years.

3 1 Request IR-13: 1 (b) When considering affordability and rate impacts, NS Power does not do anything 2 differently for projects less than $1 million. NS Power considers affordability when 3 developing projects by following the asset man...

AI summary NS Power does not treat projects under $1 million differently in terms of affordability and rate impacts, using asset management mechanisms to mitigate risk in a cost-effective manner. The 2026 ACE Plan shows a decrease in renewable generation investment compared to 2025, and NSPI is asked to explain this in the context of renewable standards and its 2030 Clean Power Plan.

reet Street Street Street Street Street Street Street Street Street Street Street Street Street Street Street Street Street Street Street Street Street Street Street Street Street Street Street Street Street Street Street Street Street Str...

AI summary The text includes a partially redacted address, a reference to a document number (C0068718), and details about a project titled 'IT - DERMS Solution Project' with a cost of $857,294, categorized under 'Advanced Grid Modernization' and related to 'DERs' (Distributed Energy Resources) under 'General Plant'.

2026 Annual Capital Expenditure (ACE) Plan (NSEB M12619) NSPI Responses to NSEB Information Requests 1 Request IR-6: 2 3 General Inquiries and Follow-Up pages 7 to 30 4 5 Figure 4: Breakdown of Capital Forecast by Investment Type on page 1...

AI summary The 2026 Annual Capital Expenditure (ACE) Plan application from NS Power includes updated capital spending estimates for the ECEI – Synchronous Condenser project, with a shift in timing and increased costs compared to the 2025 ACE Plan. The document outlines questions from the NSEB regarding these changes, including spending in 2025, total project costs, and the reasons for the adjustments.

2026 ACE Plan NSEB IR-7 Attachment 1 Page 1 of 1 REDACTED (CONFIDENTIAL INFORMATION REMOVED) CI# Project # Project Long Title Invesment Trigger LIN3 C0080638 Steam Conversion/Utilization LIN 34 GSCW Small Bore Piping Replacement 2026 Linga...

AI summary The document outlines various investment triggers for projects at the Lingan Generating Station under the 2026 ACE Plan. These projects include refurbishments, replacements, and retirements related to steam systems and infrastructure, with specific cost figures and timelines provided for each initiative.

NON-CONFIDENTIAL Unit IRP ($) 2026 ACE Plan ($) 28 Plan. The forecast for each unit is updated, consistent with the asset management mechanism 29 detailed in NS Power's Strategic Asset Management plan, to reflect the current expected unit...

AI summary The document discusses updates to the Integrated Resource Plan (IRP) and 2026 ACE Plan, focusing on changes in investment forecasts for various generation units. Factors such as asset management, utilization, refurbishment schedules, and deferrals are cited as reasons for changes in investment amounts for combustion turbines, hydro generation, and wind generation.

2026 ACE Plan NSEB IR-71 Attachment 1 Page 24 of 139 REDACTED (CONFIDENTIAL INFORMATION REMOVED) Nova Scotia Power Incorporated RFP-06/2025-545 Tufts Cove Shoreline Sheet Pile Rock Revetment

AI summary The document refers to an RFP (Request for Proposal) issued by Nova Scotia Power Incorporated for the Tufts Cove Shoreline Sheet Pile Rock Revetment project, which is part of the 2026 Annual Capital Expenditure (ACE) Plan submitted to the Nova Scotia Energy Board (NSEB).

6.0 Project Scope of Work The scope of this project is to install an approximately 80-meter-long sloped rock revetment on the shoreline of the Tufts Cove Generating Station (TUC) in Dartmouth, NS. This work is required to mitigate the cond...

AI summary The project involves installing an 80-meter sloped rock revetment at the Tufts Cove Generating Station to restore shoreline structural integrity and accommodate a new intake extension. The work includes underwater excavation, placement of core and filter stone, and construction of a concrete box culvert. Environmental compliance and habitat enhancement are key considerations.

Tufts Cove Shoreline Sheet Pile Rock Revetment #RFP-06/2025-545 Proposal For: Nova Scotia Power Inc. In Response to Request for Proposal #RFP-06/2025-545 Tufts Cove Shoreline Sheet Pile Rock Revetment Submitted to: Nova Scotia Power Inc. P...

AI summary This document is a proposal submitted by Elliot Excavators Limited in response to a Request for Proposal (RFP) issued by Nova Scotia Power Inc. for the Tufts Cove Shoreline Sheet Pile Rock Revetment project. The proposal outlines the company's plan for the project.

1.2 Scope of Work To support the design, DHI has completed the following tasks, which are detailed further in [Appendix A:](#page-190-0) - Water Level Analysis: Analyzed tides, storm surge, and total water levels using measured gauge data...

AI summary This section outlines the scope of work completed by DHI to support the design process, including water level analysis, sea level rise projections, offshore hindcast analysis, and wave modeling to determine design water and wave conditions for the project site.

NON-CONFIDENTIAL 1 Request IR-81: 2 In addition, the ongoing IESO NS‑led Integrated Resource Plan, currently underway, will 3 continue to evaluate the long‑term utilization of TUC1 and other thermal assets. This 4 process will further upda...

AI summary The text discusses the need for last stage blade replacement at TUC1 due to safety and reliability concerns. The assessment was based on inspection findings and expert reviews, concluding that partial blade replacement would not sufficiently reduce the risk of failure.

4.1.1/

AI summary The section 4.1.1/ of the document outlines the context and background for the proceeding, including relevant regulatory frameworks and key stakeholders involved in the matter.

4.1.1/

AI summary The section 4.1.1/ of the document outlines the context and background for the proceeding, including relevant regulatory frameworks and key stakeholders involved in the matter.

4.1.2/

AI summary The section discusses the regulatory process and related topics, including energy efficiency programs, demand-side management, and the integration of renewable energy resources into the grid. It addresses compliance with legislation and the role of various stakeholders in the proceedings.

NON-CONFIDENTIAL 1 (c) To date, the most current information available is the Energy Minister's public 2 announcement of the Department's intent to reissue a call for new renewable energy projects.[1](#page-49-0) 3 Please also refer to NSE...

AI summary The document references the Energy Minister's public announcement regarding the Department's intent to reissue a call for new renewable energy projects, citing a source from CBC News. It also mentions a regulatory reference (NSEB IR-171) and the date of filing (February 13, 2026).

4 (e) Yes. The new tariff structure will provide the framework for the provisions required by 5 new hydrogen developers to connect their facilities and self-supplied generation to the 6 system and transport this electricity to the hydrogen...

AI summary The new tariff structure is being developed to support hydrogen developers connecting to the system and transporting electricity for hydrogen/ammonia production. It will include provisions for firm load, top-up, spill, transportation, and fixed-cost recovery, with a focus on a single comprehensive industry-specific tariff rather than unbundled services.

Q: What is your recommendation regarding spare inventory pooling? - A: The Board should obtain an inventory of NS Power's spare equipment to identify whether there is sufficient volume to consider whether a more cost-effective option could...

AI summary The respondent recommends that the Board obtain an inventory of NS Power's spare equipment to assess the feasibility of a spare inventory pooling program. Key considerations include equipment type, storage costs, and exclusion of routinely rotated items. If beneficial, the Board should request NS Power to report on the topic in its next ACE Plan application.

Q: How will the Mersey Hydro project decision be made? A: At this point, NS Power is not the key decision maker. Key decisions are the responsibilities of three different institutions. Exhibit N-6, NSEB RIR-162(b). The IESO Nova Scotia is...

AI summary The Mersey Hydro project decision is not led by NS Power but by the IESO Nova Scotia, which is conducting an Integrated Resource Plan (IRP) to determine the long-term role of the Mersey Hydro System. Key factors include compliance with the Fisheries Act, archaeological costs, and engagement with Indigenous communities and government departments.

Q: What are your general views on NS Power's updated Path to 2030 Report? A: I have recently expressed concerns regarding key milestones not being met towards achieving the 2030 targets for coal retirements, carbon reductions, and RES comp...

AI summary The respondent expressed concerns about NS Power's updated Path to 2030 Report, noting that key milestones for coal retirements, carbon reductions, and RES compliance have not been met. The report does not provide reassurance, and the respondent urges the Board to expedite implementation of necessary actions.

Q: Are there topics from the Path to 2030 Report that you wish to discuss? A: Yes. I am concerned that there has not been adequate stakeholder consultation regarding the Synchronous Condensers (ECEI) project (C0072808). The synchronous con...

AI summary The respondent is concerned about insufficient stakeholder consultation on the Synchronous Condensers (ECEI) project (C0072808). The project was first introduced in the 2025 ACE Plan with a budget of $244 million, but the Path to 2030 Report does not adequately reflect recent developments, such as the increased budget of $365 million for up to 9 units.

SUMMARY OF PROFESSIONAL EXPERIENCE - 2023– Present Vice President, Grid Strategies, LLC . Provides research, technical assistance, and expert testimony on electric- and gas-utility planning, economics, and regulation. Reviews electric util...

AI summary The individual has extensive experience in energy regulation, utility planning, and environmental policy, spanning over two decades in roles involving regulatory policy, expert testimony, and program evaluation. Their work includes advising on electrification, energy efficiency, and renewable resource performance, as well as participation in air quality and legislative advocacy.

PUBLICATIONS "Urban Areas," with Judith Clarkson and Wolfgang Roeseler, in Gerald R. North, Jurgen Schmandt and Judith Clarkson, The Impact of Global Warming on Texas: A Report of the Task Force on Climate Change in Texas , 1995. "Quality...

AI summary The text lists several publications authored or co-authored by individuals, focusing on topics such as global warming impacts, quality of life in urban areas, energy efficiency incentives, and monopsony behavior in power generation markets.

- "Smoke in the Water: Air Pollution Hidden in the Water Vapor from Cooling Towers Agencies Fail to Enforce Against Polluters," Galveston Houston Association for Smog Prevention, February 2004. - "Reducing Air Pollution from Houston-Area S...

AI summary The text lists a series of reports and publications by environmental organizations such as the Galveston Houston Association for Smog Prevention and the Southern Alliance for Clean Energy, focusing on air pollution, energy efficiency, and renewable energy initiatives in the United States.

SELECTED PRESENTATIONS "Clean Energy Solutions for Western North Carolina," presentation to Progress Energy Carolinas WNC Community Energy Advisory Council, February 7, 2008. "Energy Efficiency: Regulating Cost-Effectiveness," Florida Publ...

AI summary The text lists several presentations on energy efficiency and clean energy topics, including discussions on cost-effectiveness, renewable energy, and energy-saving initiatives. These presentations were made to various regulatory and advisory bodies across different regions.

na Coastal Conservation League and Southern Alliance for Clean Energy. Need for capacity, adequacy of energy efficiency and renewable energy alternatives, and use of solar power as an energy resource. - 2014 South Carolina PSC Docket No. 2...

AI summary The document outlines expert testimony provided by the Southern Alliance for Clean Energy and other organizations in various regulatory proceedings, focusing on energy efficiency, renewable energy alternatives, and system reliability. Testimonies span multiple jurisdictions and address topics such as capacity credit calculations, reserve margins, and project evaluations.

(3) Spending on projects started prior to 2025, not in the 2025 ACE Plan: Top 10 projects that were included in prior ACE Plans or approved prior to 2025 CI Project Title Functional Class 2025 C0074452 L6552 - 124C TOA Grid Modernization T...

AI summary The text lists top 10 projects initiated prior to 2025 and not included in the 2025 ACE Plan, detailing their functional classes and 2025 spending. It also includes a status table with project categories, ACE Plan references, submission dates, and financial details.

C0051815 2025 RTU Replacement Program Awaiting Approval 194,976 1.483.596 Revised CWO filed December 9, 2025.

AI summary The 2025 RTU Replacement Program is awaiting approval, with a revised CWO filed on December 9, 2025. The program involves a cost of 194,976 and an associated value of 1.483.596.

g the transmission and distribution system, and adopting modern technologies that enable faster outage detection, isolation, and restoration, all aimed at building a more resilient grid for customers. We also welcome the Board-appointed th...

AI summary The document discusses investments in grid resilience, including modern technologies for outage management, third-party review of the Reliability Plan, and the 2026 ACE Plan's Path to 2030 Update. It highlights grid-scale battery storage projects and the Wasoqonatl Transmission Inc. partnership for new interconnections.

w Brunswick. Construction is expected to be completed by 2028, complementing existing interconnections, including the Maritime Link, which flows energy from Newfoundland and Labrador into Nova Scotia. We are also progressing preliminary en...

AI summary The 2026 ACE Plan outlines investments in infrastructure and renewable energy to support Nova Scotia's transition to a low-carbon electricity system by 2030. Key initiatives include the development of the NS IESO, renewable energy projects, and the maintenance of existing generation assets.

Natural Resources and Renewables Office of the Minister PO Box 698, Halifax, Nova Scotia, Canada B3J 2T9 • Telephone 902-424-4037 • Fax 902-424-0594 • novascotia,ca October 9, 2024 Judith Ferguson Nova Scotia Power 1223 Lower Water Street...

AI summary The Minister of Natural Resources and Renewables directs Nova Scotia Power Inc. (NSP) to ensure stability, reliability, and power quality of the transmission system for wind generation facilities prescribed under the regulations. NSP may set minimum technical requirements for wind turbines, and owners of prescribed facilities must make a one-time payment to NSP, with annual adjustments based on the Consumer Price Index, unless exceptions apply.

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AI summary The document appears to be a regulatory proceeding related to environmental and energy matters in Nova Scotia, though the content is partially obscured or corrupted, making it difficult to extract specific details or discussions.

Value Underline/bold indicates exceedance of: No Guidelines SW = Surface Water PW = Pore Water nd = non-detect nd() = non-detect at elevated detection limit -= no established value or not analyzed mg/L = milligrams per litre TPH = Total Pe...

AI summary The document provides laboratory analysis results for environmental samples, including hydrocarbon concentrations and comparisons to environmental quality standards. It outlines the methodology for analyzing hydrocarbon fractions and their relevance to regulatory guidelines.

Analytical Results Sub-Matrix: Soil/Solid (Matrix: Soil/Solid) Client sample ID BH6 - S1 Client sampling date / time 12-Dec-2024 12:10 Analyte CAS Number Method/Lab LOR Unit HA2403336-008 Result Physical Tests Moisture E144/WT 0.25 % 18.2...

AI summary The document presents analytical results from a soil sample (BH6 - S1) collected on 12-Dec-2024. It includes physical tests, hydrocarbon distribution, and various hydrocarbon concentrations measured using different methods and laboratories. The results show low levels of hydrocarbons, with some compounds detected above the limit of reporting but below the detection limit.

the current Burnside #2 Combustion Turbine will be required moving forward. If it was found that the unit is not needed, then perhaps the proposed capital refurbishment project would not be required. [25] NS Power's responses to Board ques...

AI summary The document discusses the necessity of replacing the Burnside #2 Combustion Turbine, noting that NS Power has not obtained quotes for previously refurbished engines and that refurbishing their own engine may be a lower-cost option. NS Power also states that the turbine will remain essential for the Province's Clean Power Plan and environmental targets, as confirmed in their closing submissions.

material concerns regarding the fiscal capacity of ratepayers to absorb such aggressive asset loading without a corresponding expansion of physical system benefits. [DOE Closing Submissions, pp. 3-4] [165] The Board is also concerned about...

AI summary The document discusses concerns about the impact of increased capital spending on ratepayers, noting that NS Power has faced challenges in transitioning from coal-based generation to renewable energy sources. This transition, driven by decarbonization goals set under the Electricity Act, has been costly and has placed additional stress on existing coal plants.

Nameplate Capacity (MW) Initial Anticipated COD (Year) Updated Anticipated COD (Year) Wind & Solar Resources Rate Base Procurement 306 2025 2025-2026 Port Hawkesbury Paper Wind 168 2025 2026 Renewable to Retail Wind 149 2024 2026-20291 Gre...

AI summary The document outlines various energy projects and initiatives in Nova Scotia, including wind and solar resources, energy storage, fast-acting generation, fuel conversions, and load management. It details nameplate capacities and anticipated commissioning dates for these projects, providing an overview of the energy infrastructure expansion plans.

[193] The Path to 2030 Update shows the anticipated generation in the Total New Wind & Solar category has increased from a nameplate capacity of 1,139 MW in last year's update to 1,385 MW. The Green Choice Program shows a reduction of 154...

AI summary The Path to 2030 Update shows an increase in total new wind and solar capacity but a reduction in the Green Choice Program due to some projects not proceeding. A new Future Procurement of 350 MW has been announced, with an anticipated COD of 2029. Mersey Wind 1 and 2 have updated CODs, with the latter's first phase expected in 2027.

7.1.1 Coordination with the IESO Nova Scotia [201] In a letter dated October 9, 2024, the Minister of Energy directed NS Power "…to provide the equipment and systems necessary to maintain the stability, reliability, and power quality of th...

AI summary The Minister of Energy directed NS Power to ensure grid stability with renewable energy integration, including synchronous condensers. The IESO is tasked with conducting competitive procurements for electricity resources under the More Access to Energy Act, as outlined in a letter from the Premier and Minister of Energy.

10.0 MERSEY UPDATE [221] NS Power owns and operates the Mersey Hydro System (MHS), a series of six hydroelectric stations and a lake storage diversion along a 21 km reach of the Mersey River. The Mersey Hydro System Redevelopment Project (...

AI summary NS Power owns the Mersey Hydro System and is planning a redevelopment project over 20-30 years. The project was included in previous ACE Plans but was deferred until 2031 to evaluate alternatives and align with renewable energy goals and affordability considerations. The Board's 2025 ACE Plan Order provided specific directives related to the project.

Jennifer L. Nicholson SCHEDULE "A" 2026 ACE Plan Approved Projects CI Number Title 2026 Budget Project Total Generation C0080206 POA Boiler Refurbishment 2026 $1,195,706 $1,304,600 C0080205 POA Boiler Refractory Replacement 2026 $936,645 $...

AI summary The document lists approved projects under the 2026 Annual Capital Expenditure (ACE) Plan, including boiler refurbishments, transmission upgrades, distribution right-of-way expansions, and intelligent asset data integration, with budget figures and total project costs.

Request IR-125: - a) When was transformer 96H-T1 installed, and what was its expected service life? - b) Please provide the energy output of the Ruth Falls Hydro Generating Station for each of the past five years. - c) Why can't the oil ta...

AI summary Request IR-125 includes a series of questions related to the installation and maintenance of a transformer, energy output of a hydro station, corrosion issues, risk assessments, and environmental mitigation measures. The questions are aimed at gathering detailed operational and safety information.

Request IR-166: - In reference to Figure 1 2030 Clean power Plan Resources on pages 653 to 654. - a) Why does the nameplate capacity of the seven listed Wind &Solar Resources on page 653 total 1,385 MW but the Total New Wind and Solar on p...

AI summary The document raises questions about discrepancies in nameplate capacity figures for wind and solar resources in Nova Scotia's 2030 Clean Power Plan, changes in the Green Choice Program, and the status of a new Green Choice Program procurement.

Request IR-167: - On page 659, NS Power states, "In addition, the CER establishes the potential for "planned unit" - designation, which allows units in development that meet specific milestone criteria by the end of - 2025, have started co...

AI summary NS Power outlines the 'planned unit' designation under the CER, which allows certain units to be exempt until 2049 if they meet specific criteria. The question asks if Fast-Acting Generation Resources or Fuel Conversion of Existing Units in Figure 1 qualify for this designation.

Request IR-169: - On page 669 Figure 7 GIP Status for RtR Projects, why was IR-785 West Wind Farm - withdrawn?

AI summary The text raises a question about the withdrawal of the IR-785 West Wind Farm project, as indicated in Figure 7 on page 669, which shows the GIP Status for RtR Projects.

Request IR-171: - On page 673 additional renewable energy procurements were discussed. NS Power states, "the - Nova Scotia Energy Minister announced the DOE was planning to reissue a call for new - renewable energy sources and the Province...

AI summary The document discusses the Nova Scotia Energy Minister's announcement regarding a new call for renewable energy sources and the search for a new procurement administrator. Questions are raised about whether a new administrator has been hired and the current status of the process.

Request IR-177: - On page 680, NS Power states "NS Power anticipates that clear direction on project timelines will be available in 2026, following completion of the IESO Nova Scotia-led RFP. If it is evident following this RFP that the cu...

AI summary NS Power anticipates clear project timelines to be available in 2026 following an RFP led by IESO Nova Scotia. If the timeline is unachievable, alternatives such as adjusting unit retirement dates or converting coal facilities to alternative fuels may be considered, requiring approval from both federal and Nova Scotia governments.

Request IR-179: - Section 7.3 Green Hydrogen Projects, page 690, discusses three project developers and explains that developers will create and supply renewable resources; will require a new tariff to use the NS Power grid; require energy...

AI summary Request IR-179 inquires about NS Power's awareness of off-take agreements for green hydrogen projects, the current construction status of renewable energy supply by developers, potential energy requirements, transmission impacts, and whether a new tariff structure would cover associated transmission costs.

Generation and Transmission and please detail if there were changes to specific projects driving these reductions. Figures 3 and 4 Breakdown of Capital Forecast by Investment Type on pages 16 and 17. 1. The 2025 ACE Plan application includ...

AI summary The text requests clarification on changes in capital spending forecasts for the NS-NB reliability tie project and coal-fired generation fleet, as well as the decrease in regulatory/compliance spending. It references figures and the 2025 ACE Plan application, highlighting discrepancies in budget estimates for the ECEI – Synchronous Condenser project.

s amount to what was forecast for 2025 in Attachment 1 of Appendix G of the 2025 ACE Plan. 2. Please describe the reasons for any significant differences between actual spending and forecast spending. Page 632: What are the forecast dates...

AI summary The document includes questions about spending discrepancies, forecast dates for turbine and generator refurbishments, the pause in Mersey redevelopment, and fish passage requirements under the Fisheries Act. It also references the Mersey NPV analysis based on MHS production data.

ents. + - 1. If not confirmed, please explain. Page 636: in compiling NS Power’s Mersey NPV analysis, the Company used an annual average MHS production of 190,000 MWh based on 2015 to 2024 data. 1. Please provide the annual MHS annual prod...

AI summary The document requests clarification on the Mersey Hydroelectric Station (MHS) annual production data used in NS Power’s NPV analysis and seeks explanations regarding redevelopment costs, including timing, inclusion of stakeholder engagement, and partial decommissioning costs.

c operating benefits of holding generating units in cold reserve? 2. What are the quantified benefits of holding generating units in cold reserve rather than immediately pursuing full decommissioning? In reference to Figure 1 – 2030 Clean...

AI summary The text raises questions about the benefits of holding generating units in cold reserve, discrepancies in nameplate capacities between figures in the Clean Power Plan, and the status of the Green Choice Program procurement. It also inquires about the eligibility of certain generation resources for the 'planned unit' designation under the CER and the accuracy of commercial operation dates for wind projects under the RBP Program.

ur wind projects under the RBP Program and the anticipated commercial operation dates (COD). Are all of the COD dates still accurate or have any been modified since the ACE Plan application was filed? On page 669 Figure 7 – GIP Status for...

AI summary The document text raises questions about the status of renewable energy projects, including the accuracy of commercial operation dates, the withdrawal of a wind farm project, and the retirement date of a power plant. It also inquires about the hiring of a new procurement administrator for renewable energy initiatives.

functions they perform. 2. Has the transfer of NS Power employees to the IESO Nova Scotia altered NS Power’s ongoing advisory role and the support it provides to the IESO Nova Scotia. Please explain. On page 680, NS Power states “NS Power...

AI summary The document discusses the transfer of NS Power employees to the IESO Nova Scotia and its impact on NS Power’s advisory role. It also addresses the timeline and cost implications of converting coal units to alternative fuels, including Heavy Fuel Oil (HFO) and natural gas, as outlined in the 2030 Clean Power Plan and the 2023 Evergreen IRP scenarios.

during periods of net peak demand.” 1. What is the current estimated cost of the conversion of Lingan units 1, 3 and 4? 2. What is the current estimated cost of the Point Tupper unit 2 to natural gas Section 7.3 Green Hydrogen Projects, pa...

AI summary The text includes questions about the costs of converting Lingan and Point Tupper units to natural gas, the development of green hydrogen projects, and risk management related to supply chain and geopolitical factors. It also raises concerns about off-take agreements, grid access, and potential transmission impacts.

rectly reflects the intention of the CEJC? Refer the Application, Page 137 of 782, Line 13-19, Section 11.4 Quick Reference Sheet, sub-section entitled “2026 O/H Rates” reproduced in the table below: 2026 O/H Rates 1. Does the reference to...

AI summary The text raises questions about the interpretation of 'PP Regular' and 'Regular' O/H Rates in NS Power's accounting policies, the disparity between Hydro and PP Regular O/H Rates, and opportunities for reducing these rates. It also inquires about the increase in Steam projects in 2026 and references a presentation by NS Power at the Distributech event.

- 3 Forecast and Budget. - 4 Preamble: In 2026, renewable generation investment appears to decrease, with estimated - 5 spending approximately $25 million lower than in 2025. - 6 Please explain why NSPI forecasts lower generation investmen...

AI summary The document asks NSPI to explain the decrease in renewable generation investment forecast for 2026 compared to 2025, specifically in relation to compliance with the Renewable Electricity Standards and the 2030 Clean Power Plan goal of 80% renewables.

- 29 (ii) its interfaces with the "broader Energy Delivery team" and 30 "Enterprise Asset Management (EAM) team"; and 1 (iii) accountability (role/title) for vegetation management, feeder 2 inspection, transmission line inspection, capital...

AI summary The document outlines requests for information related to accountability roles in vegetation management, reliability-based project evaluation metrics, and storm performance updates. It references the 2026 ACE Plan and seeks details on reliability metrics used by other utilities.

25 Year Reliability Plan for 2026. 1 2 organized by section, and including rationale for each change. Please identify changes to: 3 (i) Program design or scope; 4 (ii) Prioritization approach or criteria; 5 (iii) Assumptions (cost, timelin...

AI summary The document requests clarification on the 2026 25-Year Reliability Plan, including changes to program design, assumptions, and investment forecasts. It also asks for details on the retirement of Lingan 2 and the impact of IESO-NS procurement efforts on its timeline.

nificant increase in forecasted spending for projects less than $1M – approximately $39 million higher than in 2025 – and a notable increase in the number of projects – 122 more projects than in 2025. 1. Please explain the drivers for the...

AI summary The text discusses a significant increase in spending and the number of projects under $1M in 2026, as well as a decrease in renewable generation investment. It requests explanations for these changes, including affordability considerations and compliance with renewable energy standards.

Other Issues In his report, Mr. Wilson also addresses various other issues, but does not make any particular recommendations. These issues include: - Path to 2030: Mr. Wilson states that the updated Path to 2030 Report does not provide con...

AI summary Mr. Wilson raises concerns about NS Power's progress toward 2030 milestones, particularly regarding the Synchronous Condenser project's increased costs and lack of stakeholder consultation. He also highlights the need for NS Power to address potential customer costs related to the Mersey Hydro project. The Consumer Advocate supports these concerns.

The Risk of Duplication and Misalignment If IESO-NS is now leading, or expected to lead, system planning through the IRP process, capital planning decisions should logically depend on those system planning outcomes. Without consultation or...

AI summary The text highlights concerns about duplication and misalignment in capital planning between NSPI and IESO-NS, especially regarding the 2026 ACE Plan and the Synchronous Condensers project. It emphasizes the need for coordination and integrated planning to avoid unnecessary costs and ensure alignment with updated IRP outcomes.

2026 ACE Plan Hearing Transcript, April 22, 2026, page 423 (PDF page 71 of 254). 1 would also continue to operate the diesel CTs, including BGT2, as part of the resource portfolio 2 mix to meet both the capacity needs and support the integ...

AI summary NS Power argues that leasing a combustion turbine engine is not a viable long-term solution for maintaining system stability and meeting renewable energy targets. They emphasize the importance of refurbishing a known engine with a documented history to ensure reliability and support the Clean Power Plan and the 80% renewable energy target by 2030.

They are a known and essential component of the resource mix required in support of the Province's Clean Power Plan, and to achieve environmental policy targets. [NS Power Closing Submission, p. 12] [27] NS Power also submitted that any de...

AI summary NS Power argues that the Burnside #2 Combustion Turbine replacement is essential for supporting the Clean Power Plan and meeting environmental targets. The Board agrees that the project is prudent and the cost estimate is reasonable, citing concerns about reliable operation and meeting peak demand.

material concerns regarding the fiscal capacity of ratepayers to absorb such aggressive asset loading without a corresponding expansion of physical system benefits. [DOE Closing Submissions, pp. 3-4] [165] The Board is also concerned about...

AI summary The document discusses concerns about the impact of increased capital spending on ratepayers, particularly in the context of Nova Scotia Power's efforts to meet decarbonization goals under the Electricity Act. The transition from coal-based generation to renewable energy has been costly, with challenges in integrating high levels of wind power and the need for expensive battery storage solutions.

Nameplate Capacity (MW) Initial Anticipated COD (Year) Updated Anticipated COD (Year) Wind & Solar Resources Rate Base Procurement 306 2025 2025-2026 Port Hawkesbury Paper Wind 168 2025 2026 Renewable to Retail Wind 149 2024 2026-20291 Gre...

AI summary The document outlines various energy projects, including wind and solar resources, energy storage, fast-acting generation, and fuel conversions, with their nameplate capacities and anticipated completion dates. It also includes load management initiatives and coal phase-out targets.

[193] The Path to 2030 Update shows the anticipated generation in the Total New Wind & Solar category has increased from a nameplate capacity of 1,139 MW in last year's update to 1,385 MW. The Green Choice Program shows a reduction of 154...

AI summary The text discusses changes in renewable energy procurement and capacity in Nova Scotia, including updates to the Green Choice Program and the introduction of a new 350 MW Future Procurement category. It also notes changes in the anticipated CODs for various wind projects, including Mersey Wind 1 and 2.

7.1.1 Coordination with the IESO Nova Scotia [201] In a letter dated October 9, 2024, the Minister of Energy directed NS Power "…to provide the equipment and systems necessary to maintain the stability, reliability, and power quality of th...

AI summary The Minister of Energy directed NS Power to ensure grid stability for renewable energy integration, including the use of synchronous condensers. The IESO is expected to lead competitive procurement for transmission and system resources, as outlined in the More Access to Energy Act.

10.0 MERSEY UPDATE [221] NS Power owns and operates the Mersey Hydro System (MHS), a series of six hydroelectric stations and a lake storage diversion along a 21 km reach of the Mersey River. The Mersey Hydro System Redevelopment Project (...

AI summary NS Power's Mersey Hydro System Redevelopment Project involves upgrading six hydroelectric stations over 20-30 years. The project was deferred until 2031 in the 2023 ACE Plan to allow further evaluation of alternatives, considering renewable energy targets, asset risk, and affordability. The Board's 2025 ACE Plan Order provided directives for the project.

NS POWER PANEL 39 In-ch, (Power) 1 During my time on the System Planning 2 Team, I progressed to the role of System Planning 3 Specialist. With the creation of the IESO NS, the System 4 Planning Team has now moved over to the IESO NS. Howe...

AI summary The testimony outlines the background and experience of Mr. Pickles, the Chief Operating Officer of Nova Scotia Power, including his education, career history, and current role. He discusses his transition from the System Planning Team to the IESO NS and his ongoing role with Nova Scotia Power.

OPENING STATEMENT 51 NOVA SCOTIA POWER 1 periods of high demand, such as the extreme cold snap Nova 2 Scotia experienced at the end of January. 3 The Wasoqonatl Transmission 4 Incorporated is a unique partnership between Nova Scotia 5 Powe...

AI summary Nova Scotia Power discusses ongoing transmission projects, including a new tie between Nova Scotia and New Brunswick, and efforts to transition to renewable energy in line with the Province's Clean Power Plan. The creation of the Nova Scotia Independent Energy System Operator (IESO) is highlighted as part of the Path to 2030 Update.

NS POWER PANEL 57 Cr-ex, (Murphy) 1 procurement, and no timeline has been established for the 16 procurement, the provincial procurement that was led 17 previously that identified 262 megawatts of wind under the 18 Green Choice Program, th...

AI summary The document discusses the procurement of wind energy under the Green Choice Program, noting that only 262 megawatts were procured in Phase 1, with an additional 350 megawatts still to be procured under a different administrator. The responsibility for wind procurement remains with the Province, while fast-acting generation and energy storage are now managed by the IESO.

NS POWER PANEL 185 Cr-ex, (Rudderham) 1 was the 9th of October. Similar directive. 2 Q. I'm wondering if we can have a 3 copy of that as an undertaking in this proceeding. 4 A. (Pickles) Certainly. 5 THE CHAIR: So this is U-4, which is a 6...

AI summary The proceeding discusses the need for NSP to proceed with the Synchronous Condenser Project, citing directives from the Minister and cost-effectiveness analysis. NSP engaged external consultants to evaluate technologies, with synchronous condensers being the top recommendation due to the shift from traditional thermal assets to renewables.

NS POWER PANEL 417 Questions, (Murphy) 1 project. I'm curious why, if only five blades were found 2 to be cracked, why all 318 blades need to be replaced. 3 [10:10:33] A. (Drover) Mr. Murphy, I will start 4 with the answer to the question,...

AI summary Member Murphy questions why all 318 blades need replacement if only five were cracked, and asks about engine degradation due to inactivity. The response explains that blade replacement is due to accumulated fatigue, and that inactivity causes corrosion and light consumption even when the unit is offline.

NS POWER PANEL 423 Questions, (Murphy) 1 to rely on that fast-acting generation that would be 2 supported by the Burnside units. So that's been 3 demonstrated in our previous IRPs as well, as I mentioned, 4 the 10-year system outlook to su...

AI summary The discussion centers on the continued operation of diesel combustion turbines (CTs) in support of wind integration, referencing past Integrated Resource Plans (IRPs) and the Clean Power Plan. The speaker expresses confidence that these CTs will remain necessary for system reliability and fast-acting response, even as coal is phased out.

NS POWER PANEL 427 Questions, (Murphy) 1 and is that delay having any impact on the cost of the 2 project? 3 A. (Drover) So that project is 4 the Marshall Falls Dam Project is on the same hydro system 5 as the Ruth Falls Dam Project. And t...

AI summary The Marshall Falls Dam Project is delayed due to the completion of the Ruth Falls Dam Project, which is facing delays related to obtaining a Fisheries Act authorization. These delays are expected to impact the cost of the Marshall Falls Project, though the current estimate of 13.8 million incorporates lessons learned from the Ruth Falls Project. A question is raised regarding the Wreck Cove Tailrace Rock Bolting Phase 2 project's cost estimate and its alignment with the approved amount.

NS POWER PANEL 535 Questions, (Chair) 1 Q. Okay. And you've provided 2 updates on these two projects in the appendix and in IR 3 responses. 4 My question, and it's the same 5 question I've asked in different forums in a number of ACE 6 Pla...

AI summary The chair of the NS Power Panel 535 asks whether other energy projects, such as wind, community solar, and commercial net metering, must be in place before coal conversions can safely proceed by 2030. Pickles responds that while the goal is to be off coal by 2030, the company intends to retain the ability to burn coal if necessary.

NS POWER PANEL 537 Questions, (Chair) 1 You know, our primary concern and 2 focus is to ensure there's adequate capacity on the 3 system. As the utility, we want to make sure the lights 4 stay on. So we would certainly not retire a unit or...

AI summary The discussion focuses on NS Power's concerns about maintaining adequate system capacity and retiring coal units by 2030. The utility emphasizes the importance of fuel switching and the potential impact of federal and provincial discussions on coal use beyond 2030. There is also mention of the need to avoid stranded capital if coal conversions are not necessary.