Topic/Matter Intersection

Topic:"Generation Grid Resources" in M12619

Matter: Nova Scotia Power Inc. - 2026 Annual Capital Expenditure (ACE) Plan - $284 million
79 passages 15 documents

Generation Grid Resources across all matters →

N-1Application - Redacted 43 passages
Section 88
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.

Section 91
iv Carry-over capital spending. (As provided in Section 6.1) 38.5 v Routine capital spending. (As provided in Section 10) 6.7 Total 2026 Generation Capital Investment Plan 178.2 Request for ACE Approval (Items i and v) 23.3 Note 1: Totals...

AI summary The document outlines the 2026 Generation Capital Investment Plan, including carry-over and routine capital spending for various hydro generation projects in Nova Scotia. It provides details on project titles, dates, and budget estimates for ongoing and future expenditures.

Section 294
25 Page 138 of 782 REDACTED REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2026 ACE Plan CONFIDENTIAL (Attachments Only) 2026 Hydro Production Plant Avon 3.02% Bear River 1.80% Black River 2.04% Dickie Brook 3.16% Fall River 1.82% Harmony 4.5...

AI summary The 2026 Annual Capital Expenditure (ACE) Plan outlines the projected contribution of various hydro production plants in Nova Scotia, including specific percentages for each facility and the overall total hydro production contribution.

Section 319
ment 2026 Start Date: 2026/08 In-Service Date: 2026/10 Final Cost Date: 2027/04 Function: Steam Forecast Amount: $1,024,385 DESCRIPTION: This project will replace refractory components in the Point Aconi boiler system, following inspection...

AI summary This project involves replacing refractory components in the Point Aconi boiler system to ensure safe and efficient operation, reduce thermal losses, and prevent unplanned outages. The work includes key areas such as cyclones, combustor-to-cyclone crossover ducts, and lower combustor sections, with a forecasted cost of $1,024,385.

Section 483
5 Tufts Cove Generating station. Unit # 2 Job number 2924 III Inspection Findings & Recommendations: Exterior Concrete Column North, East, Southwest Inspection Drops:

AI summary The text references the Tufts Cove Generating Station, Unit #2, and mentions an inspection job number 2924. It also notes findings and recommendations related to the inspection of exterior concrete columns in the North, East, and Southwest areas.

Section 487
6 Tufts Cove Generating station. Unit # 2 Job number 2924 III Inspection Findings & Recommendations: Exterior Concrete Column North, East, Southwest Inspection Drops:

AI summary The document references an inspection of the exterior concrete columns at the Tufts Cove Generating Station, Unit #2, job number 2924, focusing on findings and recommendations related to the North, East, and Southwest inspection drops.

Section 501
2026 ACE Plan C0080134 Attachment 1 Page 24 of 45 NSPI 24 Tufts Cove Generating station. Unit # 2 Job number 2924 29. Elevation 80’ vertical crack continues from base of column, cracked flaking paint and rust bleed through are evident. 30....

AI summary The text provides details about the Tufts Cove Generating Station, Unit #2, including a job number and specific issues identified during an inspection, such as a vertical crack and poor column coating condition, as part of the 2026 ACE Plan.

Section 502
2026 ACE Plan C0080134 Attachment 1 Page 25 of 45 NSPI 25 Tufts Cove Generating station. Unit # 2 Job number 2924 31. Elevation 120’ the ac- cess hatch has a rusted steel frame, exposed bare concrete and rebar should be coated and sealed....

AI summary The document describes inspection findings at the Tufts Cove Generating Station, Unit #2, including issues such as rusted steel frames, exposed concrete and rebar, vertical cracks, and loose concrete spalls, all of which require repair for safety and structural integrity.

Section 503
removed for safety purposes. 34. Elevation 180’ loose concrete removed exposed reinforcing steel curtain Date: December 12, 2025 Page 248 of 782 REDACTED REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2026 ACE Plan C0080134 Attachment 1 Page...

AI summary The text describes various structural issues at the Tufts Cove Generating Station, Unit #2, including exposed reinforcing steel, spalled concrete, loose conduits, and cracks at different elevations. These findings are part of a 2026 ACE Plan report, likely related to infrastructure maintenance or regulatory compliance.

Section 504
nut on AOL 38. Elevation 293’ hollow cracked concrete at cold joint Date: December 12, 2025 Page 250 of 782 REDACTED REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2026 ACE Plan C0080134 Attachment 1 Page 29 of 45 NSPI 29 Tufts Cove Generatin...

AI summary The document contains technical descriptions of structural issues at the Tufts Cove Generating Station, Unit #2, including cracks and spalled concrete at various elevations. These findings are part of a report related to the 2026 ACE Plan and Job number 2924.

Section 506
2026 ACE Plan C0080134 Attachment 1 Page 32 of 45 NSPI 32 Tufts Cove Generating station. Unit # 2 Job number 2924 45. Elevation 455’ hollow concrete at cold joint delaminated paint coating 46. Looking toward the top of the column paint is...

AI summary The text describes conditions at the Tufts Cove Generating Station, Unit #2, highlighting issues such as delaminated paint coatings, cracked cold joints, and poor paint condition on concrete columns. These findings are part of a 2026 ACE Plan assessment.

Section 507
and worn. 48. Looking up the concrete col- umn the paint is delaminated and in poor condition throughout the height of the column. Date: December 12, 2025 Page 255 of 782 REDACTED REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2026 ACE Plan C...

AI summary The document describes the poor condition of paint on concrete columns and structural elements at the Tufts Cove Generating Station, Unit #2, including delamination, spalling, and exposure of reinforcing steel. These conditions are documented through visual inspections and core sampling.

Section 508
2026 ACE Plan C0080134 Attachment 1 Page 35 of 45 NSPI 35 Tufts Cove Generating station. Unit # 2 Job number 2924 51. Elevation 334’ very shal- low, exposed rebar has spalled out through the concrete. 52. Elevation 348’ exposed reinforcing...

AI summary The text describes structural issues at the Tufts Cove Generating Station, Unit #2, including spalled concrete and exposed reinforcing steel at various elevations, with one repaired core hole noted as satisfactory.

Section 511
2026 ACE Plan C0080134 Attachment 1 Page 40 of 45 NSPI 40 Tufts Cove Generating station. Unit # 2 Job number 2924 61. Elevation 430’ core sample taken in the horizontal crack then the hole was filled with none shrink grout . 62. Elevation...

AI summary The document contains technical details related to the Tufts Cove Generating Station, Unit #2, including descriptions of structural issues such as cracks, spalled concrete, and voids at various elevations. These findings are part of a 2026 ACE Plan report and are associated with job number 2924.

Section 512
REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2026 ACE Plan C0080134 Attachment 1 Page 42 of 45 NSPI 42 Tufts Cove Generating station. Unit # 2 Job number 2924 65. Exposed shallow rebar flaking paint coating 66. Honeycombing to the concrete...

AI summary The document contains images and descriptions of structural issues at the Tufts Cove Generating Station, Unit #2, including exposed rebar, flaking paint, honeycombing in concrete, and delamination. These issues are part of a 2026 ACE Plan submission by NSPI.

Section 513
REDACTED (CONFIDENTIAL INFORMATION REMOVED) 2026 ACE Plan C0080134 Attachment 1 Page 44 of 45 NSPI 44 Tufts Cove Generating station. Unit # 2 Job number 2924 69. Paint coating is weathered and delaminated Date: December 12, 2025 Page 266 o...

AI summary The document contains a proposal related to the Tufts Cove Generating Station, Unit #2, involving paint removal, concrete repairs, and coating application. It is part of the 2026 ACE Plan and includes a job number and date.

Section 636
or expiration of this Agreement including, but not limited to, the following provisions: Section 9 (Insurance), Section 20 (Limitation of Liability), Section 23 (Governing Law), Section 28 (Confidential Information) and this Section 31 (Su...

AI summary This document outlines the refurbishment of the Burnside Unit #2 Combustion Turbine engine, including the scope of work, cost, and timeline. The project is necessary due to damage observed on stage 9 blades and aims to restore the unit's functionality and reliability within the NS Power electrical system.

Section 910
1,572,478 $ 1,572,478 $ - Deferred Generation 48913 HYD - Tusket Facility Refurbishment 2025 ACE Plan (for Subsequent Approval) $ 12,972,226 $ 1,078,895 Deferred Transmission C0011358 New Bridgewater Substation 2025 ACE Plan (for Subsequen...

AI summary The text presents a list of projects under the 2025 ACE Plan, including deferred and approved items related to generation and transmission, with associated costs and approval statuses. Key projects include the Tusket Facility Refurbishment, New Bridgewater Substation, and the Eastern Clean Energy Initiative (ECEI) - Transmission.

Section 1034
Bulk Electric System is planned, designed, and operated in accordance with single con ngency criteria. NS Power System Design Criteria are applied for all other por ons of the interconnected system. NERC standards and NPCC criteria are con...

AI summary The document outlines Nova Scotia Power's system design criteria for transmission and distribution systems, emphasizing compliance with evolving NERC and NPCC standards. It details conditions for upgrading, replacing, or modifying transmission plant to ensure safety, reliability, and cost efficiency, while aligning with capital expenditure justification criteria.

Section 1054
cts including project scope, jus fica on, budget, approvals and actual project informa on. The so ware can be used to research informa on on past projects and forecast project ac vity into the future. ProducƟon CosƟng Model: A system model...

AI summary The text defines key terms related to project management, capital expenditures, and system stability in energy operations. Concepts include routine capital items, safety projects, scope definitions, and the Special Protection System (SPS), which maintains system stability through load adjustments. A Production Costing Model is also described for forecasting energy costs.

Section 1091
bjec ves. All ACE Plan projects must answer the following ques ons in order to be considered jus fied: 1. Why do this project? 2. Why do this project now? 3. Why do this project this way? A capital expenditure is not jus fied un l the need...

AI summary Nova Scotia Power Inc. outlines criteria for justifying capital expenditures, requiring projects to answer three questions: purpose, timing, and methodology. Capital is categorized into Generation, Transmission, and Distribution, with specific definitions for each utility function.

Section 1154
genera on, o en at a higher cost than the exis ng genera on. These costs are es mated using the probabilis c produc on model and incorporated into the Economic Analysis Model. 17.8 System Design Nova Sco a Power’s transmission system is di...

AI summary Nova Scotia Power Inc. estimates generation costs using a probabilistic production model integrated into the Economic Analysis Model. The transmission system is classified into primary, secondary, and electrically remote categories with distinct design criteria. NS Power adheres to NPCC Directory #1 for bulk power system design, ensuring alignment with interconnected grid standards.

Section 1155
wherein single con ngencies can poten ally adversely affect the interconnected NPCC system, are designed and operated in accordance with NPCC Directory 1, Design and Opera on of the Bulk Power System. NS Power is required to follow the stan...

AI summary NS Power adheres to NERC and NPCC standards for its Bulk Electric System, ensuring compliance through regulatory approval processes. System design criteria, including transmission and clearance times, are updated to meet evolving standards and are documented in report NS Power-TPR-003-6.

Section 1160
ther transmission plant so as to eliminate NS Power’s requirement for the plant in ques on. • Replace the transmission plant as to maintain NS Power’s transmission system. • Any repairs, upgrades or modifica ons will be costed as per the m...

AI summary The document outlines Nova Scotia Power's approach to transmission and distribution system upgrades, emphasizing cost justification for capital expenditures and adherence to service provision requirements. It details criteria for replacing transmission infrastructure, cost calculation standards, and the integration of distribution systems with customer service needs.

Section 1189
t of equipment that are not large enough in scope and magnitude to be jus fied as individual capital projects. The value of the equipment replacement rou nes will vary from year to year. Upon iden fica on of failure or deteriora on in perf...

AI summary The text outlines maintenance routines for equipment replacement in hydro, thermal, and transmission systems, emphasizing immediate replacement of failed components and efficiency-driven projects. It details cost management for environmental risks, land acquisitions, and substation upgrades, with decisions based on condition assessments and cost-effectiveness.

Section 1190
of iden fied system problems following a review of op ons. The least Deleted: These are minor in nature. cost op on mee ng the requirements and constraints specified shall be selected. Month DD, 2025 Page 89 of 113 Date: December 12, 2025...

AI summary Nova Scotia Power Inc.'s 2026 ACE Plan Appendix D outlines capital expenditure routines for maintaining transmission infrastructure, including spare equipment management, protective relay replacements, and planned transmission line improvements. These procedures aim to ensure system reliability through proactive maintenance and upgrades.

Section 1218
on greater than 10% before movement of tap-changers. 6. As far as possible, provision should be made to ensure that no fault is le permanently on the system. 7. From normal system condiƟons, following a fault, the minimum post-fault posi v...

AI summary Nova Scotia Power Inc.'s Capital Planning & Capital Expenditure Justification Criteria outline technical requirements for electrically remote transmission systems, including fault level limits (≤1,000 MVA), post-fault voltage stability (>70% nominal voltage), and thermal limits (≤110% capacity) with operator intervention within 10 minutes.

Section 1220
the following: a. Economic dispatch or outage of genera on. b. Loading of transformer(s) to their (or their associated equipment) thermally limited ra ngs. Reinforcement is required in all cases when a single con ngency results in either t...

AI summary The text outlines reinforcement requirements for power systems under contingency scenarios, emphasizing economic considerations and transformer loading practices. It references IEEE standards for transformer loading and discusses scenarios where reinforcement may be economically justified despite meeting technical criteria.

Section 1227
1 1.0 INTRODUCTION 2 3 NS Power owns and operates the Mersey Hydro System (MHS), a series of six hydroelectric 4 stations and a lake storage diversion along a 21km reach of the Mersey River. The 2026 ACE Plan 5 focuses on sustaining capita...

AI summary NS Power is updating the 2026 ACE Plan to address sustaining investments for the Mersey Hydro System (MHS) while evaluating long-term options via the Integrated Resource Plan (IRP). The Board directed NS Power to include NPV analyses comparing decommissioning, partial decommissioning, and redevelopment options, along with assumptions, in the ACE Plan application following the next depreciation study.

Section 1228
conducted since the filing of the 2025 ACE Plan related to evaluating 26 and costing the MHS decommissioning and partial decommissioning options. 27 28 10. The Board directs NS Power to include cost estimates for further preliminary 29 eng...

AI summary The Nova Scotia Energy Board (NSEB) directs Nova Scotia Power Inc. (NS Power) to include detailed cost estimates for Mersey system updates in its 2026 ACE Plan, including preliminary engineering, stakeholder engagement, environmental studies, and procurement costs. These estimates must also be incorporated into NS Power’s NPV analysis comparing the Mersey Redevelopment Project to decommissioning options.

Section 1245
in service during 2031-2050, reducing power production capacity during that 24 period 25 26 The NPV figures presented in this update reflect capital costs only and are not a full economic 27 analysis of the Mersey Redevelopment. They shoul...

AI summary The Mersey Redevelopment's NPV figures are based solely on capital costs and do not represent a full economic analysis. These figures should not be used in isolation to determine the project's overall viability.

Section 1252
2026 ACE Plan Appendix E Page 13 of 17 Mersey Hydro Update Non-Confidential

AI summary The document references an update on Mersey Hydro within the 2026 Annual Capital Expenditure (ACE) Plan's Appendix E, indicating ongoing project developments or assessments related to hydroelectric resources.

Section 1255
2026 ACE Plan Appendix E Page 14 of 17 Mersey Hydro Update Non-Confidential

AI summary The document references an update on Mersey Hydro within the 2026 Annual Capital Expenditure (ACE) Plan, focusing on non-confidential details in Appendix E.

Section 1256
1 5.0 UPCOMING IRP CONSIDERATIONS 2 3 NS Power’s 2020 Integrated Resource Plan included a detailed evaluation of the MHS using both 4 the NS Power Decision Analysis (DA) Model and E3’s RESOLVE capacity expansion model. The 5 analysis compa...

AI summary NS Power's 2020 and Evergreen IRP analyses concluded that rebuilding Mersey Hydro Station (MHS) is more economical than decommissioning, citing its role in system reliability and decarbonization. However, NPV values alone omit full replacement costs, necessitating a comprehensive review. The 2025/2026 IRP will update MHS evaluation with refreshed load and emissions assumptions.

Section 1286
icity planning landscape in 24 Nova Scotia including several changes to the Project Accountability Matrix. 25 26 • As described in Section 5.0 and Section 6.2.2, any future Battery Storage projects will be 27 scoped and procured by the IES...

AI summary The document outlines changes in project accountability for Battery Storage and Fast-Acting Generation projects, to be managed by IESO-NS. NS Power supports this transition, aligning with the 2030 Clean Power Plan updates in the 10 Year System Outlook (10YSO) report. Key references include the 2023 ACE Plan (M11017) and updated resource timelines.

Section 1288
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.

Section 1290
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.

Section 1299
1 5.0 NOVA SCOTIA INDEPENDENT ENERGY SYSTEM OPERATOR 2 3 In February 2024, the Clean Electricity Solutions Task Force, a task force commissioned by the 4 Nova Scotia provincial government, submitted its final report titled, “Modernizing En...

AI summary The document outlines the establishment of the Independent Energy System Operator of Nova Scotia (IESO-NS) under the More Access to Energy Act (MAEA), following the Energy Reform Act (Bill 404). It details the transfer of responsibilities from NS Power to IESO-NS, including battery storage and fast-acting generation procurement, and references a revenue/expenditure application (M12412) filed with the Nova Scotia Energy Board (NSEB).

Section 1312
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.

Section 1338
1 6.2.3 Grid Stability & Renewable Integration Resources 2 3 Transitioning from a traditional power system which is largely made up of synchronous generators 4 to a power system which will rely heavily on inverter-based resources (IBRs) su...

AI summary Transitioning to inverter-based resources (IBRs) like wind and solar requires grid stability measures such as synchronous condensers and FACTS devices. NS Power, following DOE directives, prioritizes inertial support projects at Benjamin’s Mill and Wedgeport. The NS-NB Reliability Intertie Project aims to enhance transmission reliability between Nova Scotia and New Brunswick.

Section 1350
1 In The Path to 2030 – 2025 Update, capacity and timing for new fast-acting generation has been 2 assumed to be the same as the 2025 10-Year System Outlook report and The Path to 2030 – 2024 3 update. On October 16, 2025, the IESO-NS issu...

AI summary The document outlines IESO-NS's RFP process for 300 MW fast-acting generation by 2029, a proposed 100 MW SCCT capacity contract by 2028, and NS Power's contingency plans for timeline delays. It also references fuel conversion initiatives at existing thermal units under the 2030 Clean Power Plan.

Section 1357
2026 ACE Plan Appendix F Page 36 of 55 The Path to 2030 – 2025 Update Non-Confidential 1 2 The 2025 10-Year System Outlook reinforces that the phase-out of coal generation continues to 3 be dependent on the successful procurement and commi...

AI summary The 2025 10-Year System Outlook emphasizes reliance on new firm capacity resources like combustion turbines to phase out coal generation. Specific units (Lingan 1, 2, 3; Trenton 5, 6; Point Aconi) have defined retirement or conversion dates, with Lingan 1 and 3 converting to HFO operation and Lingan 2 in Cold Reserve. Dates will be re-evaluated as resource timing, demand, and policy evolve.

Section 1375
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.

N-6NSPI (NSEB) RIR 1 to 202 - Redacted 12 passages
2026 ACE Plan NSEB IR-1 Attachment 1 Page 1 of 3 p. p. 7
C0071889 77V-T1 Transformer Replacement 3,486,796 Equipment Upgrades Substation Transformer Replacement Transmission

AI summary The document outlines a transformer replacement project under the 2026 ACE Plan, involving a cost of $3,486,796 for equipment upgrades at a substation transformer within the transmission system.

20 (c) The amount included under Generation Reliability related to the existing coal fired 21 generating facilities is as follows: p. p. 7
20 (c) The amount included under Generation Reliability related to the existing coal fired 21 generating facilities is as follows: Year Generation Reliability ($M) 2026 69.9 2026 Annual Capital Expenditure (ACE) Plan (NSEB M12619) NSPI Res...

AI summary The text provides information on the Generation Reliability amount for existing coal-fired generating facilities in 2026, which is listed as $69.9 million. It also references the 2026 Annual Capital Expenditure (ACE) Plan and NSPI responses to NSEB information requests.

2026 ACE Plan NSEB IR-7 Attachment 1 Page 1 of 1 REDACTED (CONFIDENTIAL INFORMATION REMOVED) p. p. 7
ion LINCP C0080646 Steam Conversion/Utilization LIN Electric Actuator Refurbishment Lingan Generating Station 168,903 LINCP C0068165 Steam Conversion/Utilization LIN Electric Motor Refurbishment 2026 Lingan Generating Station 155,475 LINCP...

AI summary The document lists various projects and upgrades planned for the Lingan Generating Station in 2026, including equipment refurbishments, facility upgrades, and safety improvements, with associated costs.

Section 452 p. p. 7
2 (b) These projects are across 12 steam generating units, 8 of which will continue to operate 3 beyond 2030 with natural gas or heavy fuel oil. The annual level of spending on these 4 projects is consistent with the path to 2030 as the Ge...

AI summary The text discusses ongoing maintenance and investment in 12 steam generating units, with 8 continuing beyond 2030 using natural gas or heavy fuel oil. Annual spending aligns with the path to 2030, driven by asset management mechanisms that assess risk based on asset mission and forecasted retirement dates. Projects aim to mitigate risks in the most cost-effective way and ensure safe, reliable capacity until retirement.

2026 Annual Capital Expenditure (ACE) Plan (NSEB M12619) NSPI Responses to NSEB Information Requests p. p. 7
2026 Annual Capital Expenditure (ACE) Plan (NSEB M12619) NSPI Responses to NSEB Information Requests 1 Request IR-15: 2 3 Section 6.0 Generation pages 40 to 46 4 5 In reference to Figure 13 - Generation Investment on page 40. 6 7 (a) Pleas...

AI summary The document discusses responses to information requests regarding the 2026 Annual Capital Expenditure (ACE) Plan, confirming that specific projects are included in the capital expenditure figures and directing to the 2025 10-Year System Outlook for utilization rates.

1.0 Introduction p. p. 15
1.0 Introduction This Project Health & Safety Plan (H&S Plan) is for: Shoreline Sheet Pile Rock Revetment, at Tuft's Cove Generating Station, Dartmouth, NS, for Nova Scotia Power Incorporated (NSPI). Dexter Construction Company Limited (De...

AI summary This document outlines the Health & Safety Plan for the Shoreline Sheet Pile Rock Revetment project at Tuft's Cove Generating Station, managed by Nova Scotia Power Incorporated. Dexter Construction Company Limited is responsible for the project and is committed to achieving 'Zero Harm' for all stakeholders.

1 Introduction p. p. 184
1 Introduction Harbourside Engineering Consultants (HEC) has retained DHI Water & Environment, Inc (DHI) to conduct a coastal study to assess the design water levels and wave conditions at the Tufts Cove Generating Station in Halifax, Nova...

AI summary Harbourside Engineering Consultants (HEC) has engaged DHI Water & Environment, Inc. to conduct a coastal study for the Tufts Cove Generating Station in Halifax, Nova Scotia, to assess design water levels and wave conditions for a proposed rock revetment replacing the existing steel sheet pile wall.

The Summer and Winter Ratings for the 69kV transmission lines relevant to this study are included in Table 2. p. p. 79
The Summer and Winter Ratings for the 69kV transmission lines relevant to this study are included in Table 2. Transmiss ion L ine F Ratin js dated: STATION CONDUC TOR BREAKER SWITCH CUR RENT FRANSF TRIP MVA Туре Maximum Operating Temp. (Ce...

AI summary The document presents a table containing the summer and winter ratings for 69kV transmission lines, including details such as station names, conductor types, ratings, and other technical specifications relevant to the study.

70W: Circuit Load Data p. pp. 83-86
70W: Circuit Load Data Figure 4: Feeder Circuit Load History – High Street (70W)

AI summary The document presents a figure titled 'Feeder Circuit Load History – High Street (70W)' which shows historical load data for a specific circuit. The figure is referenced in the context of circuit load analysis, likely related to grid planning or infrastructure assessment.

89W: Circuit Load Data p. pp. 86-87
89W: Circuit Load Data Figure 5: Feeder Circuit Load History – Bridgewater East (89W)

AI summary This section presents the circuit load history for the Bridgewater East (89W) feeder circuit, illustrated in Figure 5. It provides a visual representation of historical load data for the circuit, which is essential for understanding the electrical demand patterns in the area.

Alternative A-3: Utilize the tertiary of 99W-T2 to offload 89W p. p. 94
Alternative A-3: Utilize the tertiary of 99W-T2 to offload 89W This alternative makes use of the fact that there is 12.5kV (delta) available from the tertiary windings of the power transformers within the Bridgewater EHV Substation 99W.

AI summary Alternative A-3 proposes using the tertiary windings of the 12.5kV (delta) power transformers at the Bridgewater EHV Substation 99W to offload 89W of power.

Section 2032 p. p. 154
2 (i) CI C0082133 IT Renew Microsoft Enterprise Agreement is the only project 3 specifically for license renewal. 4 5 (c) The rating of 25 for the ECEI Synchronous Condensers reflects both the criticality and 6 condition assessments under...

AI summary The document discusses the criticality rating of 25 assigned to ECEI Synchronous Condensers, emphasizing their role in maintaining system reliability and stability with increased wind generation as part of the Path to 2030. These units provide essential grid services as coal generation is phased out.

N-102025 Q4 Capital Reports 1 passage
(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
(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 Approved Transmission 52328 56N-T1 Transformer...

AI summary The text presents a list of top 10 projects initiated prior to 2025 that are not included in the 2025 ACE Plan. These projects span various functional classes, including Transmission, Distribution, and Generation, with details on their approval status, funding, and timelines.

N-17Opening Statement - NS Power 1 passage
Section 3
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.

N-22Responses to Undertakings 1-22 2 passages
A Site Plan (Drawing 1) is provided in Appendix A. Further details about the site are provided in Table 2.1, below. p. pp. 31-32
A Site Plan (Drawing 1) is provided in Appendix A. Further details about the site are provided in Table 2.1, below. Table 2.1: Site Information Summary Site Information Civic Address 116 Ruth Falls Road, Sheet Harbour, NS PID(s) 00583732 P...

AI summary The document provides a site plan and detailed information about a property owned by Nova Scotia Power Incorporated located at 116 Ruth Falls Road, Sheet Harbour, NS. The site is currently used for industrial/commercial purposes and includes a hydro-electric power plant, electrical substations, and associated utilities.

2.1 Site Description p. p. 107
2.1 Site Description The subject site is located 400 m west of the Ruth Falls Road and East River Road intersection in Sheet Harbour, NS. The site is currently occupied by a two-storey power plant, which consists of two industrial hydro-el...

AI summary The subject site, located in Sheet Harbour, NS, is home to a two-storey power plant with hydro-electric turbines and office space, along with two electrical substations. The site includes gravel/asphalt covered areas and forested land. A site plan and additional details are provided in Appendix A and Table 2.1.

103410Decision 1 passage
Nameplate Capacity (MW) Initial Anticipated COD (Year) Updated Anticipated COD (Year) p. p. 73
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.

100690NSEB (NSPI) IR 1 to 202 - PDF 7 passages
Section 6.0 Generation pages 40 to 46
Section 6.0 Generation pages 40 to 46

AI summary This section of the document discusses Generation-related matters, including potential changes to the generation mix and associated costs, as well as the role of various generation technologies in meeting energy demands in Nova Scotia.

Request IR-46:
Request IR-46: - Page 97 addresses the Board's 2025 ACE Plan directive to provide an update on the Centre for - Energy Advancement through Technological Innovation (CEATI) Grid Resiliency working group - in the 2026 ACE Plan application. -...

AI summary Request IR-46 seeks an update on the Centre for Energy Advancement through Technological Innovation (CEATI) Grid Resiliency working group's activities since the 2026 ACE Plan application, including the status of the Resiliency Benchmarking Survey and a discussion paper on Transmission System Resiliency, as well as the approval status of the final terms of reference for the working group.

G04: C0068898 TUC1 IP LP Last Stage Blade Replacement
G04: C0068898 TUC1 IP LP Last Stage Blade Replacement

AI summary The document references a proceeding concerning the replacement of the last stage blade for a turbine, likely involving technical and regulatory considerations related to power generation infrastructure.

Appendix E Mersey Update pages 627 to 647
Appendix E Mersey Update pages 627 to 647

AI summary The text provides an overview of the Mersey Update, covering various aspects of energy infrastructure, including updates on power generation, grid reliability, and regulatory considerations. It discusses the status of projects, operational performance, and potential future developments.

Appendix F Path to 2030 Update pages 648 to 702
Appendix F Path to 2030 Update pages 648 to 702 - Request IR-163: - The Path to 2030 Appendix F provides the projected retirement dates for some of NS Power's - generating assets with projects listed in this appendix for projects less than...

AI summary This document requests clarification on the retirement or conversion plans for NS Power's Trenton generating station units (Trenton 5 and Trenton 6) in 2027 and 2029, respectively, as well as the value for money of these decisions.

Request IR-165:
Request IR-165: - Please explain cold reserve and identify which of NS Power's generating units are currently being - held in cold reserve. - a) What are the strategic operating benefits of holding generating units in cold reserve? - b) Wh...

AI summary The request seeks an explanation of cold reserve and its strategic operating benefits, as well as quantified benefits of holding generating units in cold reserve instead of decommissioning them immediately. It also asks to identify which of NS Power's units are currently in cold reserve.

Appendix G 5 Year Reliability Plan pages 703 to 773
Appendix G 5 Year Reliability Plan pages 703 to 773

AI summary The document outlines the 5-Year Reliability Plan, focusing on ensuring the reliability of the electricity grid in Nova Scotia. It includes details on infrastructure planning, generation and grid resources, and regulatory processes to meet reliability standards.

100691NSEB (NSPI) IR 1 to 202 - Word 2 passages
Section 61
decommission the MHS is $512 million CAD.” Board staff notes that Attachment 1 of Appendix E denotes an estimate partial decommissioning cost of $624M. Please explain this discrepancy. Attachment 1: 1. Please provide a copy of Attachment 1...

AI summary The document raises questions about discrepancies in decommissioning cost estimates for MHS, retirement dates for Trenton generating units, and the strategic benefits of holding generating units in cold reserve. It also requests clarification on the value for money of these decisions and the inflation allowance incorporated into capital sustaining cost estimates.

Section 65
o Exhibit N-7, page 655 in matter M12415, Point Aconi will be retired on 12-2029. Is this the current date for Point Aconi’s retirement? If not, please provide the current expected date of retirement. 1. In total, how much will NS Power sp...

AI summary The document includes questions regarding the retirement date and 2026 costs for the Point Aconi generation plant, as well as inquiries about control system parameters for new inverter-based resources (IBRs) and project governance milestones. NS Power has outlined plans for capital projects and project sanction timelines.

100700IG (NSPI) IR 1 to 25 - Word 1 passage
Section 18
-Year Reliability Plan Update. Preamble: The Board directed NSPI to provide annual updates on the Five-Year Reliability Plan in each ACE Plan filing. NSPI states it has updated the Plan for 2026. 1. Please describe the process NSPI used to...

AI summary The document requests NSPI to provide updates on the Five-Year Reliability Plan for 2026, including the process used, changes from the 2025 Plan, and reasons for unchanged investment amounts. It also asks about the retirement date for Lingan 2, capital investments, related projects, and how IESO-NS procurement efforts influenced the decision.

100702DOE (NSPI) Ir 1 to 7 - Word 1 passage
Section 5
upgrades to ensure actual expenditures align with forecast benefits and least-cost obligations. Request IR-4: Reference: Exhibit N-1: Application - Section 9.0 (General Plant) (PDF Page 57) 1. General Plant capital for 2026 is forecast at...

AI summary The document outlines several requests for information regarding capital expenditures, cybersecurity, grid services, and hydro system investments. It asks for justifications for increased spending, confirms no ratepayer impact from a cyber attack, explains grid services and alternatives to synchronous condensers, and requests data on hydro system investments over the last ten years.

102208Closing Submissions - DOE 1 passage
Portfolio-Wide Findings p. p. 8
Portfolio-Wide Findings - A review covering indicative projects with escalation levels of 50% or greater relative to prior approved or historical project values reveals several recurring themes: - Systemic Escalation: Cost growth is system...

AI summary A review of projects with cost escalations of 50% or more reveals systemic cost growth across Distribution, Generation, Transmission, Hydro, and General Plant portfolios. Projects show divergence from baseline cost drivers and have evolved into broader resiliency and modernization programs. Software and technology initiatives, along with large capital projects, require closer scrutiny.

102222Closing Submissions - NSPI 1 passage
3.3 CI C0080135 – CT-BGT2 Engine Refurbishment p. pp. 9-11
3.3 CI C0080135 – CT-BGT2 Engine Refurbishment The Role of BGT2 in NS Power's System - NS Power's existing diesel combustion turbine (CT) fleet including BGT2 is required to maintain - grid reliability today and is foundational within the...

AI summary NS Power emphasizes the critical role of the BGT2 diesel combustion turbine in maintaining grid reliability and supporting the clean energy transition. The turbine provides essential fast-start capacity and system stability, and its refurbishment cannot be delayed pending the outcome of the IESO-NS-led IRP, as its role is considered essential for the Clean Power Plan and environmental targets.

103410Decision 1 passage
Nameplate Capacity (MW) Initial Anticipated COD (Year) Updated Anticipated COD (Year) p. p. 73
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.

20260421-1Hearing Transcript — 04/21/2026 (Revised Transcript - Refiled May 20, 2026) 4 passages
NS POWER PANEL 43 In-ch, (Power)
NS POWER PANEL 43 In-ch, (Power) 1 integrity programs. Since then, I've held several roles 14 generating assets. I'm a registered Professional Engineer 15 in the Province of Nova Scotia, and I hold a Bachelor of 16 Chemical Engineering deg...

AI summary The text introduces a witness who has held various roles at Nova Scotia Power, including Regulatory Project Manager and Director of Power Production, and is currently the Senior Director of Power Production. The witness is preparing to address matters related to power production, generating projects, and the Mersey hydro update.

OPENING STATEMENT 51 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 185 Cr-ex, (Rudderham)
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.

1 And it's also important that a large
NS POWER PANEL 277 Cr-ex, (Rudderham) 1 And it's also important that a large 22 So if you consider the functions that 23 were transferred to the IESO, being the resource planning, 1 transmission planning, and the interconnection planning 2...

AI summary The discussion focuses on the transfer of functions to the IESO, including resource planning, transmission planning, and interconnection planning. It clarifies that while some responsibilities have been transferred, projects listed in the ACE Plan remain under Nova Scotia Power's responsibility and are not connected to the IESO's functions.

20260422-1Hearing Transcript — 04/22/2026 (Revised Transcript - Refiled May 20, 2026) 1 passage
Section 164
6 Five-Year Reliability Plan to develop additional 17 recommendations. 18 And I think there's a number of 19 capital projects that are underway that I think will lead WILSON Cr-ex, (Kayter) INTERNATIONAL REPORTING INC. CERTIFIED COURT REPO...

AI summary The discussion centers on cost minimization opportunities in IT and grid-enhancing technologies, including the Work Asset Management Program and projects identified through the IRP. These initiatives are seen as important for reducing transmission expansion costs and system congestion.

Disclaimer: These summaries were generated by AI from the filings they describe. We take care to make them accurate, but errors are possible - and they aren't advice. Only the filings themselves are the record: if you're relying on something here, confirm it against the source documents or the Nova Scotia Energy Board's own record. Full disclaimer →