Topic:"Power Infrastructure" in M12619

General Project Data A. Scope Non-Process Facilities (Infrastructure, Ports, Pipeline, Power Transmission) Defined (D) P P D D D Project Scope of Work Description Preliminary (P) P P Byproduct and Waste Disposal Defined (D) NR P D D D Site...

AI summary The document outlines general project data, including scope, capacity, location, requirements, and technology selection for infrastructure and power transmission projects. It categorizes elements as defined (D), preliminary (P), or not required (NR).

required to complete the project within the available outage window, unforeseen material or contract cost increases, or unforeseen costs related to accessing structures in wet or remote locations. Date: December 12, 2025 Page 361 of 782 RE...

AI summary The document outlines the 70W-T52 transformer addition project at the 70W High St. Bridgewater substation, aimed at enhancing system reliability, supporting load growth, and future voltage conversion. The new transformer will operate in parallel with 70W-T53 and allow for the eventual retirement of 70W-T51 once feeder conversions are complete.

General Project Data A. Scope Project Scope of Work Description Defined (D) P P D D D Site Infrastructure (Access, Construction Power, Camp, etc.) Defined (D) NR P D D D B. Capacity Voltage (kV) and Circuits Defined (D) P P D D D C. Projec...

AI summary The document outlines general project data including scope, capacity, location, requirements, technology selection, strategy, and planning for a project. It details the defined and preliminary status of various aspects such as site infrastructure, voltage, environmental monitoring, and logistics planning.

General Project Data A. Scope Project Scope of Work Description Defined (D) P P D D D Site Infrastructure (Access, Construction Power, Camp, etc.) Defined (D) NR P D D D B. Capacity Voltage (kV) and Circuits Defined (D) P P D D D C. Projec...

AI summary The document outlines general project data for a proposed initiative, detailing scope, capacity, location, requirements, technology selection, strategy, and planning. It includes information on infrastructure, voltage, environmental monitoring, and logistics.

1 4.0 NET PRESENT VALUE (NPV) ANALYSIS 2 3 As directed in the 2025 ACE Plan Order, NS Power has undertaken an NPV analysis of the capital 4 costs that compare redevelopment, partial decommissioning and full decommissioning 5 (renaturalizat...

AI summary NS Power conducted an NPV analysis of the Mersey Hydro System under three scenarios: full decommissioning ($196M), partial decommissioning ($346M), and redevelopment ($164M). Assumptions included historical production data, marginal cost models, and capacity reductions during redevelopment. The analysis reflects capital costs only.

2026 ACE Plan Appendix G Page 62 of 71 NS Power Five-Year Reliability Plan - Update Non-Confidential 1 NS Power plans to invest approximately $19 million in the replacement and addition of substation 2 transformers. Figure 43 lists the tra...

AI summary NS Power plans to invest $19 million in substation transformers, including replacements and additions, across various regions in Nova Scotia. New substations, such as in Stellarton and Bayers Lake, are expected to be energized in 2026, with further enhancements planned to improve system capacity and reliability.

0000525 ECC Intelligent Aost Date Capture & Integration Platforn 251,779 Equipment Ugrande General Operated 0000524 SSS-01 Caps Smokey HTR Removals 22,1797 Equipment Ugrande General Dark 0000524 Prison Engineerin Spaces of Dark 16,2391 Equ...

AI summary The text lists various equipment and project details, including costs and descriptions related to infrastructure upgrades and conversions, such as the C0080605 project, which involves the 19C Canso Conversion Phase 1 (Union and Water) with a cost of 444,005 for equipment upgrades under the conversion category in distribution.

2026 ACE Plan NSEB IR-71 Attachment 2 Page 12 of 53 REDACTED (CONFIDENTIAL INFORMATION REMOVED) Tufts Cove Shoreline Sheet Pile Rock Revetment #RFP-06/2025-545

AI summary The document references a shoreline revetment project at Tufts Cove with an associated RFP (Request for Proposal) number #RFP-06/2025-545. Confidential information has been redacted from the page, which includes a reference to a specific infrastructure project.

2026 ACE Plan NSEB IR-71 Attachment 2 Page 21 of 53 REDACTED (CONFIDENTIAL INFORMATION REMOVED) Tufts Cove Shoreline Sheet Pile Rock Revetment #RFP-06/2025-545

AI summary The document is part of the 2026 ACE Plan, referencing the Tufts Cove Shoreline Sheet Pile Rock Revetment project under RFP-06/2025-545. The content is redacted, with only an image placeholder and project details visible.

2026 ACE Plan NSEB IR-71 Attachment 2 Page 22 of 53 REDACTED (CONFIDENTIAL INFORMATION REMOVED) Tufts Cove Shoreline Sheet Pile Rock Revetment #RFP-06/2025-545

AI summary The document is part of the 2026 ACE Plan and references a Request for Proposal (RFP) for the Tufts Cove Shoreline Sheet Pile Rock Revetment project. The text is redacted, with confidential information removed, and includes a page number and attachment details.

Line No: L7012 Work Order Report 2023S 7089013 2-4 years L7012-088 Overhead bonding wire Re-Insulate 3X12, Staple Swamp 45 40' -61 10' 15.1867"N 20.8552"W broken at top of right Down Ground pole this is reason for the failure Down ground n...

AI summary The document outlines various work orders related to the repair and replacement of overhead bonding wires and insulators at multiple locations, including issues with rust, broken wires, and structural concerns such as poles sounding hollow. Each entry includes specific coordinates, distances, and references to required letters of authorization from the Nova Scotia Department of Natural Resources.

Factors Relevant to Report: - 1. Section 2 of Transmission Line L-5545 and Section 2 of Transmission Line L-5546 were built in 1957; are now 49 years old; and will either need to be rebuilt or replaced during the period covered by this rep...

AI summary The document discusses the aging infrastructure of several transmission lines (L-5545, L-5546, and L-5547), which were built in the 1950s and will require rebuilding or replacement during the period covered by the report. These lines are critical to the electricity transmission network in Nova Scotia.

Solution: Rebuild the 2km section of Line L-5545 between the Auburndale Tap and Wileville (Section 3) prior to 2013 utilizing 336 ASC conductor. 3

AI summary The solution involves rebuilding a 2km section of Line L-5545 between the Auburndale Tap and Wileville using 336 ASC conductor before 2013.

Q: What do you conclude regarding the Mersey Hydro Update? A: Unfortunately, I do not have a clear recommendation for the Board. I can only express my concerns about this project, given its potential to unduly burden customers with costs,...

AI summary The respondent does not provide a clear recommendation for the Board regarding the Mersey Hydro Update, expressing concerns that the project may burden customers with costs and is not primarily a power infrastructure project at this time.

(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.

C0044110 138kv Line Tap to 92V Substation PE project.

AI summary The document references a project involving a 138kv line tap to a 92V substation, identified by the project number C0044110. This appears to be a capital expenditure related to power infrastructure.

FOR PETROLEUM IMPACTED SITES IN ATLANTIC CANADA Pha III E SA Rep ort, Se ctio n 5 .4 se Generation Thermal Total 536,796 475,944 199,826 465,600 T003 23120 Provincial - Trans Substation Primary 3,298,931 3,450,150 3,644,116 3,122,388 T004...

AI summary The document contains a table with data related to various projects and costs associated with petroleum-impacted sites in Atlantic Canada, including transmission line replacements, equipment spares, and meter replacements. The table includes multiple line items with varying costs across different years.

cations include the removal of multiple trees. - Addition of six RTUs improving substation communication and control, supporting quicker response and restoration of service in the event of an outage. - Completed replacement of two substati...

AI summary The document outlines various infrastructure improvements including the addition of RTUs, transformer replacements, substation upgrades, and transmission line reconductoring aimed at enhancing system reliability and grid resilience.

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.

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-1: - Page 8 notes that the targeted reliability projects include vegetation management, storm - hardening and upgrades, device replacements and grid modernization. Please identify the - projects that would fall under these categ...

AI summary The document requests the identification of targeted reliability projects, such as vegetation management and grid modernization, from the Routines in section 10 and individual Capital Investments across Generation, Transmission, Distribution, and General Plant.

Appendix I Completed Transmission Line Replacement and Upgrade Projects page 782

AI summary This section of the document provides an overview of completed transmission line replacement and upgrade projects in Nova Scotia. It outlines the progress made in modernizing the electricity grid to ensure reliability and efficiency.

boration to support a transparent, efficient, and fair transition to an lESO-administered electricity system. [Emphasis in original] [Letter from the Office of the Minister of Energy, April 15, 2026] [203] The Board notes there were no pro...

AI summary The document discusses the need for coordination between the IESO Nova Scotia, NS Power, and provincial policy directives in light of the increased cost and scope change of NS Power's Synchronous Condenser project, which now includes nine units instead of four due to additional planned wind farms.

NS POWER PANEL 319 Cr-ex, (Mahody) 1 this project. And the question I wanted to focus in on is 2 BY MR. MAHODY: 3 Witness panel, I'm headed to the Q. 4 Pennsylvania breaker issue. 5 If we could call up N-1, page 402, 6 please. 7 And so you...

AI summary The text references a regulatory proceeding involving Nova Scotia Power, focusing on the Pennsylvania breaker issue and the determination of risk levels associated with circuit breakers. It includes references to specific pages and Board IR-126.

NS POWER PANEL 337 Cr-ex, (Mahody) been made on these 174 lines? A. (Beaton) So obviously all of our transmission system could potentially have widening. The biggest level of investment that we've seen was obviously on 69kV widening, where...

AI summary The discussion focuses on the investment in transmission system widening, particularly on 69kV lines, where a significant $45 million program was undertaken over six to eight years to increase right-of-way widths. Higher voltage lines require less widening due to already substantial right-of-way widths.