Topic:"Transmission Planning" in M12558

2024-2029 Forecast Investment: $37 million - Another focus area of the Distribution System Equipment Upgrades and Replacements Program - is distribution underground upgrades, supported by $6.2 million investment in 2025. This includes - ta...

AI summary The document outlines a significant investment plan for upgrading Nova Scotia's electrical infrastructure from 2024 to 2029, with a total forecast of $37 million allocated to distribution system upgrades, $196 million for transmission system improvements, and $233 million for substation replacements and expansions. These investments aim to enhance grid reliability, resilience, and capacity, particularly in growing communities.

- that shows the $1.8 billion broken out by Distribution, Transmission and Vegetation Management. Year Transmission Distribution Vegetation Management Total 2014 50.4 51.7 1.8 103.9 2015 53.5 59.8 3.7 117.0 2016 52.3 68.0 6.1 126.4 2017 82...

AI summary The document provides a breakdown of NS Power's expenditures of $1.8 billion across Distribution, Transmission, and Vegetation Management from 2014 to 2023, with detailed statistics on customer interruptions, including SAIDI and SAIFI metrics from 2015 to 2024.

Loss of supply Interruptions due to problem in the bulk electricity system (transmission)

AI summary The document discusses interruptions in the bulk electricity system, specifically focusing on transmission-related issues that lead to loss of supply.

5 5.2 Transmission System Upgrades and Replacements 7 2025-2029 Forecast Investment: $196 million 8 2025 Anticipated Year End Investment: $ 32.6 million 10 In 2025, NS Power continues to focus on enhancing the resiliency and reliability of...

AI summary NS Power plans to invest $196 million from 2025 to 2029 in transmission system upgrades and replacements, with $32.6 million anticipated for 2025. The focus is on improving resiliency and reliability through structure replacements, conductor reinforcements, and targeted realignments.

1 Figure 25: Transmission Work Completed or In Progress (2025)

AI summary Figure 25 illustrates the status of transmission work completed or in progress as of 2025, highlighting various projects and initiatives related to the electricity grid in Nova Scotia.

1 Figure 42: Illustration of Targeted NS Power Transmission Projects Planned for 2026

AI summary The document includes Figure 42, which illustrates targeted NS Power transmission projects planned for 2026. The figure is referenced but no detailed discussion of the projects or their implications is provided in the text.

92H-334 1 Request IR-42: 2 3 Regarding Figure 7: Transmission Corridors Targeted for Widening (2025) on page 19 of 4 the Reliability Plan and the Transmission Corridor Widening with Managed Rights of Way 5 program: 6 7 (a) In Excel, please...

AI summary The request (IR-42) asks for detailed information on feeder IDs related to transmission corridor widening in 2025, including reasons for targeting specific feeders, work completed, costs, and explanations for unaccomplished work and unplanned programs.

16 Table 2. 2025 Work Plan Expenditure 2025 T010 Transmission Corridor Widening Transmission Line Geographic Location of the Line 2025 Actual Spend $ 2025 Completed km L-6503-added Onslow to Trenton 408,170 17 L-6002-added Sackville to Bri...

AI summary Table 2 outlines the 2025 Work Plan Expenditure for transmission corridor widening in Nova Scotia. It includes details on various transmission lines, their geographic locations, actual spending, and completed kilometers. Delays in work were due to insufficient landowner permissions, and some lines were added to the plan due to high criticality and NERC status.

While residual risk remains, the proposed work supports sustaining transmission line reliability performance by reducing vegetation‑related exposure under severe weather conditions. Line Number Line/Structure Number VEG_POLYGO CONDUCTOR_ R...

AI summary The proposed work aims to reduce vegetation-related exposure on transmission lines under severe weather conditions, thereby supporting the sustainability of transmission line reliability performance. The table includes details about specific line spans, vegetation risk, and associated measurements.

NON-CONFIDENTIAL 1 2 (c) The remainder of the 2025 forecasted spending went towards routines "T011 – Provincial 3 Planned Transmission Line Replacements - $6,055,257" and "T001 – Provincial 4 Transmission Line Replacements - $3,274,053". T...

AI summary The document outlines forecasted spending for 2025, including transmission line replacements and projects related to ECC Facility Ratings and NERC compliance. It also includes a request for detailed information on substation upgrades, reliability improvements, costs, and unaccomplished projects.

2026 T010 Transmission Corridor Widening Transmission Line Geographic Location of the Line 2026 Planned km L-7003 Northeast 27 L-7004 Northeast 28 Five Year Reliability Plan 2025-2029 (NSEB M12558) NSPI Responses to Synapse Energy Economic...

AI summary The document references a 2026 Transmission Corridor Widening project, including lines L-7003 and L-7004 in the Northeast with planned expansions of 27 km and 28 km, respectively. It also mentions the Five Year Reliability Plan 2025-2029 (NSEB M12558) and NSPI's responses to Synapse Energy Economics Information Requests.

NON-CONFIDENTIAL 2026 T010 Transmission Corridor Widening Transmission Line Geographic Location of the Line 2026 Planned km L-7009 West 27 L-6503 Northeast 30 L-6511 Northeast 8 Total km 120 1

AI summary The document outlines a 2026 transmission corridor widening project, detailing three transmission lines (L-7009, L-6503, L-6511) with their respective geographic locations and planned lengths, totaling 120 km.

Request IR-42: - Regarding Figure 7: Transmission Corridors Targeted for Widening (2025) on page 19 of the - Reliability Plan and the Transmission Corridor Widening with Managed Rights of Way program: - a. In Excel, please provide the Feed...

AI summary Request IR-42 seeks detailed information about the Transmission Corridors Targeted for Widening (2025) program, including feeder IDs, rationale for targeting specific feeders, work completed, costs, and reasons for targeting feeders not originally planned.

Request IR-49: - Regarding Section 5.2 (Transmission System Upgrades and Replacements) on page 29 of the Reliability Plan: - a. Please describe the projects that comprise the $33 million in investments in 2025 in more detail. - b. For each...

AI summary Request IR-49 seeks detailed information on NS Power's $33 million investment in transmission system upgrades and replacements in 2025, including project breakdowns, costs, reliability improvements, unaccomplished work, and projects not prioritized in the Reliability Plan.