N-1Five-Year Reliability Plan
17 passages
- 2 A detailed plan with targeted reliability investments to mitigate the risks associated with 3 the impacts of escalating weather events, and - 4 An overview of the expected improvements in reliability for customers as NS Power 5 execute...
AI summary NS Power outlines a detailed plan with targeted reliability investments to mitigate risks from escalating weather events. The plan includes approximately $1.3 billion in investment over 2025-2029, aimed at improving grid reliability and resilience against moderate stress and extreme weather events like hurricanes.
14 Figure 1: Forecast Investment by Reliability Program 2025-2029 ($ million) Reliability Program 2025 2026 2027 2028 2029 Total Plan Storm Hardening - Targeted Equipment Replacement and Upgrades 152.4 181.1 198.7 192.4 191.8 916.4 Storm H...
AI summary The document presents a forecast of investment by reliability program from 2025 to 2029, with a focus on storm hardening, vegetation management, and advanced grid modernization. The total investment plan is estimated at $1,259.3 million over the five-year period.
3.0 RELIABILITY PROGRAMS Nova Scotia Power's Five-Year Reliability Plan includes three key reliability programs that address tree contacts and adverse weather (the primary causes of outages as outlined in the previous section), as well as...
AI summary Nova Scotia Power's Five-Year Reliability Plan includes three key reliability programs: Storm Hardening - Vegetation Management, Storm Hardening - Targeted Equipment Replacements and Upgrades, and Advanced Grid Modernization. These programs aim to reduce outages caused by tree contacts, adverse weather, and aging infrastructure by investing in rights-of-way, equipment upgrades, and advanced grid technologies.
4.0 STORM HARDENING – VEGETATION MANAGEMENT 2025-2029 Forecast Investment: $265.0 million Estimated Performance Standards SAIDI Reduction: 0.70 to 1.25 hours The Storm Hardening - Vegetation Management Program is designed to proactively re...
AI summary The Storm Hardening - Vegetation Management Program aims to reduce tree contact with power lines, a primary cause of outages, by widening distribution and transmission corridors and implementing proactive vegetation control strategies. The program includes targeted strategies such as corridor widening and tree trimming, with a forecast investment of $265.0 million for 2025-2029. NS Power uses an asset management mechanism to prioritize tree cutting based on criticality and condition ratings.
4.2 Transmission Corridor Widening with Managed Rights of Way (ROW)
AI summary This section discusses the widening of transmission corridors with managed rights of way (ROW), focusing on infrastructure planning and grid modernization strategies to enhance system reliability and accommodate future energy needs.
Figure 8: New Rights-of-Way for Distribution Feeders
AI summary Figure 8 presents a visual representation of new rights-of-way for distribution feeders, which is likely related to infrastructure planning and grid modernization efforts in Nova Scotia.
2025-2029 Forecast Investment: $98 million Trimming and/or removal of trees from around existing power lines is included under this portion of the Storm Hardening – Vegetation Management program. The work completed to trim and remove trees...
AI summary The 2025-2029 forecast investment of $98 million includes trimming and removal of trees around power lines as part of the Storm Hardening – Vegetation Management program. The work is prioritized based on vegetation condition and growth cycles, and will be enhanced by satellite imagery data. In 2025, approximately 3,200 spans (177 km) of power lines will be addressed.
DATE FILED: December 20, 2024 Page 22 of 40 1 5.0 STORM HARDENING – TARGETED EQUIPMENT REPLACEMENTS AND 2 UPGRADES 3 4 2024-2029 Forecast Investment: $916 million 5 Forecasted Performance Standards SAIDI Reduction: 0.13 to 0.24 hours 6 7 N...
AI summary NS Power's Storm Hardening Program aims to strengthen the power system through targeted equipment upgrades and replacements, focusing on distribution, transmission, and substation infrastructure. The program seeks to improve reliability, reduce unplanned outages, and adapt to evolving challenges such as worsening weather conditions. Forecast investment for 2024-2029 is $916 million, with $487 million allocated to distribution system upgrades.
In 2025, $9.2 million is planned to be invested to modernize and replace aging or obsolete equipment such as hydraulic reclosers, older devices that contain PCBs and step-down transformers. These multi-year programs are designed to improve...
AI summary In 2025, NS Power plans to invest $9.2 million to modernize and replace aging equipment, including devices containing PCBs and transformers, to improve reliability and environmental compliance. The program also includes the installation of new protective devices such as reclosers to enhance grid resilience.
- 6 By targeting these locations, the trip-saver program will improve fault isolation and restoration 7 efforts in key areas, ensuring a more stable and reliable power supply for customers. These - 8 installations, along with replacements...
AI summary NS Power is implementing grid improvements, including new distribution feeders and infrastructure upgrades, to address capacity challenges and enhance reliability in growing areas of Halifax and Dartmouth. The projects involve new lines, substation expansions, and updated design standards to improve resilience against severe weather.
1 5.1.1 Distribution System Build-to-Roadside Program 2 3 2025-2029 Forecast Investment: $12 million 4 - 5 The purpose of this program is to bring distribution lines closer to the roadside (re-routing them - 6 from off-road areas where the...
AI summary The Distribution System Build-to-Roadside Program aims to relocate distribution lines closer to roadways to improve accessibility, reduce tree contact risks, and enhance outage response times. An investment of $12 million is planned for 2025-2029, with eight kilometers of line relocation anticipated in 2025.
16 Figure 11: 2025 Bring-to-Roadside Projects Feeder Project Name Description 100C-421 Havre Boucher Rebuild Bringing 1.4 km of three phase line from cross country to roadside. 85S-401 Parks Canada Halfway Brook to Neils Harbour Bringing 0...
AI summary The text presents a list of 2025 Bring-to-Roadside Projects, which include various power line upgrades and reconstructions across different locations in Nova Scotia, with details on the feeder, project name, and description of each initiative.
2025-2029 Forecast Investment: $26 million - The Distribution Conductor Upgrades program focuses on the proactive replacement and - modernization of aging infrastructure to reduce the risk of outages and improve reliability and - resilienc...
AI summary The 2025-2029 forecast investment of $26 million includes the Distribution Conductor Upgrades program, aimed at replacing aging infrastructure to improve reliability and reduce outage risks. In 2025, 39 kilometers of distribution line are expected to be reconductored, as outlined in Figure 12.
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.
4 6.1.1 Remote Terminal Units (RTUs) 5 6 2025-2029 Forecast Investment: $ 21 million 7 - 8 Throughout 2024-2029, NS Power intends to deploy up to 58 additional RTUs to substation sites - 9 in a combination of existing device replacements o...
AI summary NS Power plans to invest $21 million from 2025 to 2029 for the deployment of up to 58 additional Remote Terminal Units (RTUs) at substation sites, including replacements, upgrades, and new installations.
14 6.1.2 Downline Connectivity 15 16 2025-2029 Forecast Investment: $44 million - 1 Expanding on Section 6.1, adding a communications path from a downline recloser to the ADMS - 2 environment can provide reliability benefits including fast...
AI summary NS Power plans to invest $44 million between 2025 and 2029 to expand connectivity from downline reclosers to the ADMS, aiming to improve reliability, reduce delays, and enhance asset management and safety through remote SCADA operations.
1 7.0 CONCLUSION 2 3 This Plan demonstrates NS Power's commitment to delivering reliable and resilient electrical 4 service to customers. By investing in infrastructure hardening, grid modernization, vegetation 5 management, and leveraging...
AI summary NS Power outlines its commitment to enhancing grid reliability and resilience through infrastructure investments and modernization. The Plan acknowledges potential external challenges and emphasizes flexibility, with updates to be provided in future ACE Plans as directed by the Board in M11692. NS Power also aims to engage stakeholders on the balance between reliability improvements and costs.
N-3NSPI (Synapse) RIR 1 to 65
76 passages
Request IR-2: - Page 4 of the Reliability Plan states NS Power "has responded with $1.8 billion in system - infrastructure investments over that period [10 years]." Please provide an overview of these - investments by category of expenditu...
AI summary The response to Request IR-2 indicates that NS Power has not conducted a detailed project-by-project review to categorize the $1.8 billion in infrastructure investments over 10 years by expenditure type, such as reconductoring or structure replacements.
- that shows the $1.8 billion broken out by Distribution, Transmission and Vegetation Management. Year Transmission Distribution Vegetation Management Total 2015 431,258 883,333 497,506 0.87 1.78 2016 403,375 748,604 503,202 0.80 1.49 2017...
AI summary The text presents a table showing the breakdown of a $1.8 billion investment across Distribution, Transmission, and Vegetation Management from 2015 to 2025, along with metrics such as SAIDI and SAIFI. The data includes yearly figures and performance indicators.
- 1 before they occur, while reactive investments are essential to address unavoidable failures and 1 Request IR-7: 17 of future outages and to improve system resilience to adverse weather and emerging risks. 18 19 Reactive investments add...
AI summary The text discusses the importance of both proactive and reactive investments in improving system resilience and reliability. Proactive investments aim to prevent outages, while reactive investments address failures and are integrated with broader modernization goals to enhance long-term reliability.
Request IR-17: - Please quantify which of the Reliability Plan investments and expenditures are "proactive" - (e.g. before it is necessary) versus "reactive" (e.g. when it is necessary for either compliance - or to fix broken equipment). P...
AI summary The response to Request IR-17 explains that proactive and reactive expenditures in the Reliability Plan are not forecasted beyond 2026 due to reliance on lagging indicators such as outage events. It provides a breakdown for 2025 and 2026, highlighting the difficulty in forecasting reactive work beyond these years.
in the Reliability Plan is completed under four capital routines shown in the table below: Reactive Work 2025 2026 D005 – Unplanned Replacement Deteriorated Equipment $21.5M $22.4M D008 – Storm Routine $3.6M $6.9M T001 – Provincial Transmi...
AI summary The Reliability Plan outlines four capital routines for 2025 and 2026, including unplanned replacement of deteriorated equipment, storm routine, provincial transmission line replacement, and provincial transmission substation primary equipment. The total costs for these routines are estimated at $29.7M for 2025 and $35.1M for 2026.
- profile. No operating costs included in the reliability plan are considered reactive. 1 Request IR-18: 2 3 Please provide Figure 1: Forecast Investment by Reliability Program 2025-2029 ($ million) 4 on page 5 of the Reliability Plan, in...
AI summary The text discusses a request for detailed financial and planning data related to the 2025–2029 Reliability Plan. NS Power references the 2025 ACE Plan and explains that investment levels for 2026–2029 are based on high-level program budgets due to the lack of defined projects for those years.
Figure 1 from Report Reliability Program 2025 2026 2027 2028 2029 Total Plan Storm Hardening - Targeted Equipment Replacement and Upgrades 152.4 181.1 198.7 192.4 191.8 916.4 Storm Hardening - Vegetation Management 45 45 65 65 265 Advanced...
AI summary Figure 1 outlines the reliability program investments from 2025 to 2029, including storm hardening, vegetation management, and grid modernization. The 2025 ACE Project-Based Investment Breakdown is also mentioned, indicating a focus on infrastructure improvements and reliability enhancements.
This includes 147 projects presented in ACE 2025 categorized as reliability investments Section Investment Category 2025 4.0 Storm Hardening - Vegetation Management $ 45,000,000 4.1 Distribution Corridor Widening with Managed Rights-of-Way...
AI summary The text outlines 147 reliability investment projects presented in the ACE 2025 report, including storm hardening, corridor widening, equipment upgrades, and grid modernization programs, with specific funding allocations and percentages of total program investments for 2025-2029.
1 Request IR-20: 4 clear in a day) in its Reliability Plan? 5 6 (a) If so, how? 7 8 (b) If not, why not? 9 10 Response IR-25: 11 12 Yes. 13 14 (a) NS Power has considered operational, resourcing, and execution constraints in the 15 develop...
AI summary NS Power has considered operational and resource constraints in developing its Five-Year Reliability Plan, using historical data and external crews to manage workload. However, interactions between solutions in the plan were not quantified at the high-level program component stage, with specific interventions determined later based on risk assessments.
2025 Performance Standards Report Appendix I Page 8 of 10 2019 CKAIFI 2020 CKAIFI 2021 CKAIFI 2022 CKAIFI 2023 CKAIFI 2024 CKAIFI 2025 CKAIFI 2019 CKAIDI 2020 CKAIDI 2021 CKAIDI 2022 CKAIDI 2023 CKAIDI 2024 CKAIDI 2025 CKAIDI 15S-301 Unkno...
AI summary The table provides data on various incident types and their frequencies across different locations and years, indicating issues such as adverse weather, defective equipment, tree contacts, and foreign interference affecting infrastructure.
6 Figure 1: Forecast Investment by Reliability Program 2025-2029 ($ millions) Reliability Program 2025 2026 2027 2028 2029 Total Storm Hardening – 152.4 181.1 198.7 192.4 191.8 916.4 Targeted Equipment Replacement and Upgrades Storm Harden...
AI summary The document presents a forecast of investment in reliability programs from 2025 to 2029, with a focus on storm hardening, equipment replacement, vegetation management, and grid modernization. NS Power aims to meet two overarching goals by 2029 through these investments.
1 October 31, there is a 53 percent reduction in customer interruptions and a 29 percent reduction in 2 customer hours of interruption due to device failure in 2025 over 2023 levels. 3 4 The benefits of the program and the impact on the re...
AI summary The document highlights a 53% reduction in customer interruptions and a 29% reduction in customer hours of interruption due to device failure in 2025 compared to 2023. NS Power acknowledges the need for stakeholder reassurance regarding the effectiveness of reliability investments and agrees with the NSEB and stakeholders on balancing reliability and affordability. The Board directed NS Power to provide annual updates on the progress of its Five-Year Reliability Plan.
1 3.0 2025 Overview – Year One of Five Year Reliability Plan 2 3 In 2025, NS Power's Reliability team has been focused on executing the projects identified in year 4 one of the Plan, with $206.6 million committed to strengthen the grid and...
AI summary In 2025, NS Power has committed $206.6 million to strengthen the grid and enhance its resilience, focusing on reliability upgrades, including coastal framing standards, insulator upgrades, conductor replacement, transformer replacements, and tree clearing. These efforts are part of the five-year reliability plan.
- 3 Completed replacement of two substation transformers in 2025 with three additional 4 substation transformer replacements in progress. These replacements are improving 5 substation condition and contributing to increased reliability and...
AI summary The document outlines various infrastructure improvements completed and in progress, including transformer replacements, new substation construction, transmission structure upgrades, and transmission line reconductoring, all aimed at enhancing reliability and grid resilience.
13 Figure 5: Reliability Program Detailed 2025 Investment Breakdown Reliability Program Targeted Strategy 2025 Planned Investment 2025 Completed to Date 2025 Planned to Complete in Remainder of Year Anticipated YE Result Program Status Dis...
AI summary The document outlines the 2025 investment breakdown for a reliability program, including planned and completed work in distribution corridor widening, vegetation management, equipment upgrades, and grid modernization. Some projects were revised due to wildfire mitigation efforts and other factors.
1 All feeder plans for 2025 are underway or complete; work will continue on all in progress work 2 until completed. 3 4 APPENDIX B: Work Completed (C) and In Progress (P) on 2025 Priority Feeders presents 5 a summary of the work completed...
AI summary The document outlines the progress on 2025 feeder plans and highlights the importance of vegetation management as part of NS Power's reliability strategy. It includes investment forecasts, performance standards, and details on the work completed and planned for vegetation management initiatives to reduce outages.
4 4.2 Distribution Corridor Widening with Managed Rights-of-Way (ROW) 6 2025-2029 Forecast Investment: $66 million 3 5 8 12 17 22 7 2025 Anticipated Year End Investment: $12.5 million 9 Corridor widening activities improve reliability by i...
AI summary The document discusses a 2025-2029 forecast investment of $66 million for distribution corridor widening, aiming to improve reliability by increasing physical separation between overhead conductors and forest edges. By year-end 2025, $12.5 million is anticipated to be invested, with 59 additional kilometers of corridor widening planned.
4 4.3 Transmission Corridor Widening with Managed Rights-of-Way (ROW) > 69KV 6 2025-2029 Forecast Investment: $15 million 7 2025 Anticipated Year End Investment: $3.0 million 9 Similarly to distribution corridor widening activities, expand...
AI summary The document discusses the 2025-2029 forecast investment of $15 million for transmission corridor widening with managed rights-of-way (ROW) over 69kV. It notes that 87% of the 2025 program is completed and on track for full completion by year-end, with the project aimed at improving reliability by increasing separation distance between transmission conductors and the forest edge.
5 Figure 11: Transmission Corridors Targeted for Widening (2025)\ Transmission Line Geographic Location of the Line 2025 Planned Kms YTD Completed Kms On Track Y/N L-6503-added Onslow to Trenton 0 17 L-6002-added Sackville to Bridgewater 0...
AI summary Figure 11 outlines the planned and completed kilometers of transmission line widening projects for 2025. Several lines have been added or reprioritized, with some projects showing progress while others remain incomplete. NS Power updates its priorities based on asset management practices.
1 4.4 Establish New Rights-of-Way (ROW) 3 2025-2029 Forecast Investment: $86 million 4 2025 Anticipated Year End Investment: $16.4 million 6 This program focuses on establishing new distribution rights-of-way, creating clearance on either...
AI summary The document outlines a program to establish new distribution rights-of-way, with a 2025-2029 forecast investment of $86 million. As of year-end 2025, $16.4 million is anticipated to be invested, and 229 kilometers of new rights-of-way have been created, with an additional 89 kilometers expected by year-end.
1 Figure 13: Map of 2025 Completed and Planned Establishment of New Rights-of-Way
AI summary This figure illustrates the map of new rights-of-way established and planned for completion by 2025, highlighting infrastructure development in Nova Scotia.
1 5.0 STORM HARDENING – TARGETED EQUIPMENT REPLACEMENTS AND 2 UPGRADES 3 4 2024-2029 Forecast Investment: $916 million 5 Forecasted Performance Standards SAIDI Reduction: 0.13 to 0.24 hours 6 7 2025 Anticipated Year End Investment: $152.4...
AI summary The document outlines a 2024-2029 forecast investment of $916 million for storm hardening through targeted equipment replacements and upgrades on the distribution, transmission, and substation systems. The initiative aims to improve grid reliability and resilience by reducing outage frequency, increasing capacity, and integrating advanced monitoring technologies.
5 2024-2029 Forecast Investment: $487 million 2 4 7 10 16 - 6 2025 Anticipated Year End Investment: $81 million - 8 NS Power continues to replace and upgrade aging distribution infrastructure across Nova Scotia. - 9 This work can be groupe...
AI summary NS Power plans to invest $487 million from 2024 to 2029, with $81 million anticipated for 2025, focusing on replacing aging infrastructure, expanding protective devices, and ensuring compliance with environmental standards.
2 4 10 14 17 19 5 NS Power planned for the addition of two new distribution feeders in 2025 to address future 6 capacity constraints and to support reliable service for two growing communities. Earlier this year, 7 NS Power commissioned a...
AI summary NS Power is planning the addition of multiple distribution feeders in 2025 and 2026 to address growing demand and maintain system reliability in areas such as Shannon Park, Wyse Road, downtown Dartmouth, West Bedford, and Prospect Road in Halifax. Construction of some feeders is already underway or anticipated to begin soon.
2 Figure 23: 2025 Completed Padmount Transformer Replacements and Upgrades
AI summary The document includes a figure titled '2025 Completed Padmount Transformer Replacements and Upgrades', which likely illustrates the progress made in transformer replacements and upgrades by 2025. The figure is referenced in the context of infrastructure planning and power infrastructure.
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 24: Transmission System Program - 2025 Overview Category # Transmission Line Upgraded Replacements and Upgrades 29 Line Rebuilds 3 Asset Life Extension Province Wide Water Crossing Upgrades 3 Line Realignment 2 2
AI summary Figure 24 outlines the Transmission System Program for 2025, detailing various upgrades and replacements across the transmission network, including 29 line replacements and upgrades, 3 line rebuilds, province-wide asset life extension, 3 water crossing upgrades, and 2 line realignments.
4 5.3 Substation Upgrades and Replacements 6 2025-2029 Forecast Investment: $233 million 7 2025 Anticipated Year End Investment: 38.8 million 9 In 2025, NS Power continues to implement a range of initiatives targeting substations, supporti...
AI summary NS Power is investing $233 million from 2025 to 2029 for substation upgrades and replacements, including transformer replacements at multiple locations and the completion of the Mount Uniacke substation to improve system reliability and capacity.
5 6.1 Connected Assets 4 6 10 13 8 7 2025-2029 Forecast Investment: $65 million
AI summary The document provides a forecast investment of $65 million for the period 2025-2029 related to connected assets. Specific details about the investment or its components are not included in the text provided.
9 6.1.1 Remote Terminal Units (RTUs) - 11 2025-2029 Forecast Investment: $ 21 million - 12 2025 Anticipated Year End Investment: $2.2 million 14 Remote Terminal Units (RTUs) enhance substation reliability by enabling real-time monitoring,...
AI summary NS Power is investing $21 million between 2025 and 2029 for RTUs, which improve substation reliability. As of now, six of the 11 planned RTUs have been installed, with the remaining units expected to be completed by year-end and early 2026. The project is under regulatory review, and NS Power will update the RTU plan based on the review outcome.
10 2025-2029 Forecast Investment: $44 million 11 2025 Anticipated Year End Investment: $5.2 million 2 M12588, To obtain a cost reasonableness review of NS Power CI C0051815 - RTU Replacements Program – Phase 6, as outlined in Section 2.1 o...
AI summary The document outlines a 2025-2029 investment forecast of $44 million, with $5.2 million anticipated for 2025. It discusses the integration of downline reclosers with the Advanced Distribution Management System (ADMS) to improve reliability and safety, including accelerated fault location, reduced restoration delays, and enhanced data visibility.
24 shift introduces new complexities for power utilities, particularly with respect to maintaining 1 reliability and operational flexibility. To address these challenges, enhanced visibility, automation, 2 and control of DERs is important....
AI summary The integration of Distributed Energy Resources (DERs) presents new challenges for power utilities, especially in maintaining system reliability and operational flexibility. NS Power is working on a DER Integration Roadmap and evaluating a DERMS project to coordinate DERs, aligning with the province's Clean Power Plan and enhancing system reliability and decarbonization.
11 Figure 30: 2026 Reliability Program Investment Overview Reliability Program 2026 Anticipated Spend Storm Hardening – Targeted Equipment Replacement and Upgrades $178.9 Storm Hardening – Vegetation Management $45.0 Advanced Grid Moderniz...
AI summary The 2026 Reliability Program investment overview outlines anticipated spending on storm hardening, vegetation management, and grid modernization, with a total investment of $234.6 million. Key initiatives include equipment replacement, corridor widening, and the deployment of advanced grid technologies.
Western Region Metro Region Northeast Region Cape Breton Region 50V-402 88W-312 129H-412 131H-422 62N-413 4C-430 22C-404 85S-401 77V-401 89W-302 137H-413 104H-411 57C-426 62N-415 58C-403 104S-311 91W-411 25W-301 103H-432 103H-434 1N-421 4C...
AI summary The document includes a table with region-specific data and a section titled '7.1 STORM HARDENING – VEGETATION MANGEMENT', which appears to discuss storm hardening and vegetation management efforts, though no details are provided in the text.
3 2026 Forecast Investment: $45 million 2 4 9 12 14 17 19 21 5 In 2026, NS Power has committed $45 million to remove trees from near power lines. This 6 investment will improve the reliability performance of over 860 kilometers of the powe...
AI summary In 2026, NS Power has committed $45 million to remove trees near power lines, aiming to improve the reliability of over 860 kilometers of the power system. This investment is part of an established vegetation management program, with regional planning details outlined in Figure 33.
6 2026 Forecast Investment: $3.3 million - 8 NS Power's transmission vegetation management plan is strategically prioritized using a suite of - 9 advanced tools and modeling techniques designed to optimize the focus of forestry crews. This...
AI summary NS Power plans to invest $3.3 million in 2026 to widen approximately 121 kilometers of transmission rights-of-way by five meters as part of a storm hardening and reliability initiative. Advanced tools like growth modeling, IVM, LiDAR analysis, and inspection data are used to prioritize and optimize vegetation management efforts.
18 2026 Forecast Investment: $6.9 million 20 NS Power plans to complete hazard tree identification and removals, rights-of-way maintenance, 21 and customer-requested tree trimming along approximately 192 kilometers of distribution line in...
AI summary NS Power plans to invest $6.9 million in 2026 for hazard tree identification, removal, rights-of-way maintenance, and customer-requested tree trimming along 192 kilometers of distribution lines, as detailed in Figure 38.
12 7.2.1.1 Modernize and Replace Aging Equipment 14 NS Power anticipates that by the end of 2025, approximately 99 percent of assets will be confirmed 15 to contain less than 50 ppm of PCBs. NS Power will continue its sampling and targeted...
AI summary NS Power plans to replace aging equipment by 2026, ensuring that nearly all assets contain less than 50 ppm of PCBs. This initiative aligns with federal environmental regulations and utilizes data from the feeder inspection program to prioritize infrastructure renewal.
8 Figure 39: 2026 Build-to-Roadside Projects Region Feeder Project Name Build to Roadside kms Cape Breton 85S-401 Wreck Cove Rebuild 0.4 Cape Breton 103C-314 Grand Étang Water Crossing 0.9 Northeast 57C-426 Country Harbour Cell Tower Build...
AI summary The document outlines the 2026 Build-to-Roadside Projects, including specific regions, feeders, and project names with corresponding distances. It also mentions Distribution System Conductor Upgrades as part of the infrastructure planning.
12 In 2026 NS Power plans to advance a series of reconductoring projects aimed at improving system 13 reliability and performance. [Figure](#page-33-0) 40 below details the number of feeders and kilometers to be 14 reconductored by region....
AI summary In 2026, NS Power plans to advance reconductoring projects to improve system reliability and performance. The figure shows the number of feeders and kilometers to be reconductored by region.
3 In 2026, NS Power plans to complete approximately 30.9 kilometers of line and phase extensions 4 to enhance system reliability and operational flexibility. These projects are designed to improve 5 load balancing, reduce voltage drops, an...
AI summary NS Power plans to complete 30.9 kilometers of line and phase extensions by 2026 to enhance system reliability, improve load balancing, and support growing customer demand in rural and developing areas.
4 7.2.3 Substation Upgrades and Replacements 6 2026 Forecast Investment: $52.0 million 8 In 2026, NS Power plans to invest approximately $52.0 million in substation programs aimed at 9 strengthening system reliability and supporting region...
AI summary NS Power plans to invest $52.0 million in 2026 for substation upgrades and replacements to enhance system reliability and support regional growth. This includes $19 million for transformer replacements and additions, with specific projects outlined in a figure.
5 Figure 43: 2026 Substation Transformers Planned Replacement/Additions Transformer Location Region Activity 91H-T11 Dartmouth Metro Replacement 10H-T1 Halifax Metro Replacement 10H-T2 Halifax Metro Replacement 96H-T1 Sheet Harbour Northea...
AI summary The document outlines planned transformer replacements and additions for 2026, including locations in Dartmouth, Halifax, Sheet Harbour, Onslow, Conway, Mahone Bay, and Bridgewater. NS Power also expects the energization of the new Stellarton substation in 2026 and progress on a new substation in Bayers Lake.
19 7.3.1 Connected Assets 21 In the second year of the Five-Year Reliability Plan, NS Power will continue to expand and 22 implement telecommunications connectivity across the grid. This includes the integration of 23 telemetry and control...
AI summary In the second year of the Five-Year Reliability Plan, NS Power will continue expanding telecommunications connectivity across the grid, including the integration of telemetry and control capabilities, replacement of RTUs, and enhanced communication with distributed protection equipment to improve real-time visibility and system reliability.
4 7.3.1.1 Remote Terminal Units (RTUs) 3 5 10 - 6 In 2026, NS Power will prioritize the replacement and upgrade of end-of-life RTUs to maintain - 7 and enhance grid reliability. The details of the devices planned for replacement are listed...
AI summary NS Power plans to replace and upgrade end-of-life Remote Terminal Units (RTUs) starting in 2026 to improve grid reliability. This initiative will continue through 2027 to 2029, enhancing system visibility, control, and operational resilience.
11 Figure 44: 2025/2026 Planned Remote Terminal Unit replacements RTU Replacement Project Sites Estimated Year of Completion Installation Status 91V-RTU1 Fourth Lake 2025 Completed 74N-RTU1 Springhill 2025 Installation in Progress 2V-RTU1...
AI summary The document outlines the planned replacement of Remote Terminal Units (RTUs) across various sites in Nova Scotia, with completion years ranging from 2025 to 2026. Some installations are already completed or in progress, while others are yet to begin.
1 Figure 45: 2025/2026 Planned Communications Path with Downline Reclosers Installation Region Area/Community Feeder/Substation Installation Status West Three Mile Plains 79V-401 In Progress/On Track Musquodoboit Metro Harbour 87H-313 In P...
AI summary The document outlines the 2025/2026 planned communications path with downline reclosers installation across various regions in Nova Scotia. It provides a table detailing the installation status of different areas, including regions such as West, Metro, Northeast, and Cape Breton, with specific feeders and substations. The table indicates that some installations are in progress, while others are in the design or planned for 2026.
Western Region Metro Region North heast Re egion Cape Breton Region 14V-303 70W-311 80W-301 137H-412 104H-421 82V-402 100C-421 30N-412 4C-441 57S-401 578-402 11S-411 16W-301 70W-313 91W-411 113H-433 126H-311 4N-313 57C-426 82V-401 3S-403 5...
AI summary The document presents a table of work completed and in progress on 2025 priority feeders across various regions in Nova Scotia, detailing equipment replacements, protection upgrades, load growth upgrades, and vegetation work. It also includes information on depot locations and whether each feeder is a priority for 2026.
3 Summary of Pole Monitoring Project Locations Region Feeder Location Pole Removals Pole Installs The condition score for a feeder is based on five main factors that can each be scored from 1 to 5: • Loading and Balance: Greater of the loa...
AI summary The document outlines the methodology for calculating the condition score of a feeder in the Pole Monitoring Project. The score is based on five main factors, including loading and balance, outage frequency, outage duration, feeder inspections, and forestry condition, each scored from 1 to 5. A Condition Modifier factor is also applied based on known adverse conditions.
1 Request IR-34: 2 3 Please provide all documentation and data related to the derivation of the feeder reliability 4 risk score and how it was used to identify and prioritize investments. Please identify the 5 proceedings where this docume...
AI summary The text discusses a regulatory proceeding in Nova Scotia, where a request (IR-34) is made for documentation related to feeder reliability risk scores and investment prioritization. The response references Synapse IR-30 and the 2026 ACE Plan (M12619), as well as the Property and Assets proceeding (M11067), indicating that feeder performance is one of several factors used in decision-making. A follow-up request (IR-35) asks whether the risk rating methodology prioritizes certain customer types.
2025-2029 Five Year Reliability Plan Review IR-38 Attachment 2 Page 1 of 1 Investment Track Sub-Program Scalability Notes Section SAIDI H lour Per $1M (Low) SAIDI Hou r Per $1M (High) Proposed Incremental Investment SA DI Reduction (Low) S...
AI summary The document outlines investment tracks and sub-programs for the 2025-2029 Five Year Reliability Plan, focusing on storm hardening through vegetation management and equipment upgrades. It provides scalability ratings, investment amounts, and projected reductions in SAIDI and IDI metrics.
Table 3 – Absolute Limits of Note 2.1 Approach AC Systems - Qualified Personnel NSPI Nominal Circuit Voltage (Phase to Phase) C.S.A. Voltage Range (Phase to Ground) Limitof Approach Metres/Feet Note2.5 30 – 300V <220V Maintain air gap Main...
AI summary The document provides tables outlining absolute limits for approach distances to AC and DC systems based on voltage ranges, emphasizing the need to maintain air gaps and specific distances for safety. Notes reference additional details for different voltage levels.
NON-CONFIDENTIAL 1 Request IR-40: 2 3 Please refer to the list of strategies on page 15, lines 23-26 of the Reliability Plan. Please 4 provide the following (in Excel with all calculations, where applicable): 5 6 (a) Assumed or estimated u...
AI summary The response to Request IR-40 provides a table with granular cost details for strategies identified in the Five-Year Reliability Plan, including tree trimming and removal costs, and references the source and derivation of total cost estimates.
22 Strategy Spans Kilometer Total Cost Cost/Span Cost/Kilometer 8 with the Feeder IDs provided in response to question 17. 9 10 (b) Please explain and provide all quantitative support for why these feeders were 11 targeted in 2025. Please...
AI summary The text outlines a request for information related to reliability strategies, including feeder IDs, cost details, and explanations for targeting specific feeders in 2025. It also references a response that includes attachment details and a matter number for further explanation.
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.
1 Response IR-42: 2 (a) Transmission corridor widening with managed Rights-of-Way (ROWs) is a high-priority initiative focused primarily on NERC-regulated transmission lines, in alignment with NERC FAC-003-5 requirements. This approach hel...
AI summary The response outlines a high-priority initiative to widen transmission corridors with managed Rights-of-Way (ROWs), focusing on NERC-regulated lines to improve reliability and storm-hardening against tree-related disruptions. The initiative is informed by LiDAR and field data, with exceptions for non-NERC facilities where landowner permission is granted.
(b) All transmission lines that had corridor widening completed in 2025 were targeted based on their vegetative condition and criticality to the transmission system. They are all NERC-regulated transmission lines and therefore considered h...
AI summary The text discusses the prioritization of transmission lines for corridor widening in 2025 based on their vegetative condition and criticality, with NERC-regulated lines being high priority. It also mentions the exception of line L-6002, which was widened concurrently with L-7009 due to shared corridors. LiDAR data is used to identify fall-in risks for line L-6511.
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 text discusses the proposed work aimed at reducing vegetation-related exposure on transmission lines under severe weather conditions to sustain reliability performance. It includes detailed data on various line spans, their risk classifications, and associated measurements.
2026 Annual Capital Expenditure (ACE) Plan (NSEB M12619) NSPI Responses to NSEB Information Requests 1 influenced the vegetation management plan in the past to address tree damage and hazard 2 trees and likely will influence the plan in th...
AI summary The 2026 Annual Capital Expenditure (ACE) Plan outlines various capital expenditures for vegetation management and infrastructure projects, including specific feeder lines and associated costs. The plan considers geographical factors such as slope, wind exposure, and hydrology in selecting work locations.
82V-402 1 Request IR-44: 17 unable to allocate actual spend by trip saver as this level of cost granularity is not available. 18 Specifically, detailed site-level actual unit hours and unit labour costs cannot be isolated 19 for comparison...
AI summary The text discusses the inability to allocate actual spending by trip saver due to a lack of cost granularity, highlighting challenges in isolating site-level unit hours and labour costs. It also notes that all TripSaver installations outlined in the Five-Year Reliability Plan were completed in 2025, with no additional installations prioritized or installed outside of the plan.
(iii) For feeders not completed as originally planned, the level of project readiness was the biggest driver. Timelines associated with easements, permits, and grade 1 assessments required to undertake this work were the major contributors...
AI summary For feeders not completed as originally planned, project readiness was the main factor affecting timelines. Delays were primarily due to the time required for easements, permits, and grade 1 assessments.
8 (iv) Work that was completed but not initially identified is as follows: Region Feeder km Reconductored 13 (c) For 2020-2025, please provide the number of outages and customer minutes of outage 14 on for distribution overhead and distrib...
AI summary The text outlines several requests for information related to distribution work completed but not initially identified, including outage data, feeder details, cost breakdowns, reliability improvements, and explanations for work not accomplished or prioritized differently.
15 (iv) Additional underground-related work, not originally identified for execution 2025 16 occurred on the following feeders: 4S-323 22N-404 2025 Padmount Replacement 22V-321 2025 Padmount Replacement 22V-322 2025 Padmount Replacement 22...
AI summary The text outlines additional underground-related work, specifically 2025 Padmount Replacement projects on various feeders, and includes a request (IR-49) for more details on the $33 million in 2025 investments for transmission system upgrades and replacements as described in the Reliability Plan.
6 (a) Please refer to the table below. CI# Project Title 5 YR 2025 Forecast Total Reliability Improvements Reason for work not completed Routine - Structure PROVINCIAL - PLANNED Replacements and Work 23118 TRANS LINE REPLACEMENTS $6,055,25...
AI summary The table outlines various infrastructure projects related to reliability improvements and upgrades, including line replacements, structure replacements, and compliance with NERC standards. Projects are listed with their CI numbers, titles, five-year forecasts, and statuses indicating whether the work was completed.
2 (b) (i-iii) Please refer to part (a) above. 3 4 (iv) Please refer to the table below for the list of projects that were completed but not 5 in the initial Five-Year Reliability Plan 2025 Forecast.
AI summary The text refers to a table listing projects completed but not included in the initial Five-Year Reliability Plan 2025 Forecast, and directs the reader to part (a) for further details.
6 Initial 5 YR 2025 Actual 2025 CI# Project Title Forecast Total Spend L6515 Replacements and C0023802 Upgrades $0 $166,046 L7005 Canso Crossing C0044172 Vibration Mitigation $0 $2,105,998 L5031 Replacement & C0055696 Upgrade R.C Tap $0 $3...
AI summary The table outlines several infrastructure projects with forecasted totals and actual spending for 2025. Projects include replacements and upgrades to various systems, with significant actual spending recorded for some initiatives.
8 (v) NS Power completed work on the projects in part (iv) when it was unable to 9 complete the projects outlined in part (a) above. These new projects in part (iv) 10 were selected based on review of risk profiles and criticality in combi...
AI summary NS Power completed some projects outlined in part (iv) after being unable to complete earlier projects. The new projects were selected based on risk profiles, criticality, and outage and resource availability.
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.
NON-CONFIDENTIAL 1 risks or failures that happen each year. Due to these changes, several other 2 transformers were replaced in their place due to increased risk or failures. 3 4 (iv) The program submitted as part of the Five-Year Reliabil...
AI summary The text discusses the replacement of transformers due to increased risks and failures, and references the 2025 ACE Plan and 2026 ACE Plan for details on substation capital work and completed projects. It also mentions a request and response regarding the inclusion of new substation investments in the Five-Year Reliability Plan.
(f) Please describe how grid modernization interacts with the other categories of investment proposed in the reliability plan. For example, will increased automation and monitoring of grid conditions allow the Company to more effectively c...
AI summary The response outlines a five-year, $78 million investment plan for the Advanced Grid Modernization Program, aiming to reduce SAIDI by 20% through a risk-based approach. The plan considers historical data and operational constraints, with projections based on total investment rather than individual projects.
NON-CONFIDENTIAL 1 6 Downline Connectivity: Up to 28 downline reclosers will have remote • 7 monitoring and control capability, enabling real-time fault detection and 8 automatic/remote operation. 9 10 Automated switching and restoration c...
AI summary The document outlines grid modernization initiatives, including downline reclosers with remote monitoring, FLISR for automated switching, and enhanced data for asset management. It also discusses vegetation management improvements enabled by grid modernization, such as satellite imagery analysis and predictive analytics for tree contact patterns.
1 8 14 20 (i) The RTUs that were commissioned in 2025 were implemented throughout the year. Reliability improvement estimates are averaged across the program and are not available per device upgrade. The specific quantitative impacts of ea...
AI summary In 2025, NS Power deployed RTUs across multiple sites, with six of eleven fully commissioned by year-end. The remaining five faced delays due to storm response and winter loading constraints. Total investment was approximately $893,000, with costs recorded on a project basis rather than per substation or feeder.
RTU Connectivity Substation Description Substation Criticality Substation Customers Feeder Criticality 23 included in Attachment 1. 24 25 (b) 26 (i) Reliability improvement estimates are averaged across the program and are not 27 available...
AI summary The document discusses RTU connectivity within Nova Scotia Power's infrastructure, including challenges related to reliability improvements, investment in Downline Recloser Connectivity in 2025, and disruptions caused by a cyber incident. It also outlines limitations in allocating costs to specific sites due to concurrent labour activities.
7 13 8 As further described in IR-4 Attachment 1, the estimated directional reduction in duration 9 of outages conservatively ranges from 12-25 percent. Using the average avoided outage 10 duration, PLT Labour, and Administrative and Vehic...
AI summary The text discusses the estimated reduction in outage duration from FLISR installation, with potential annual avoided operational costs estimated at approximately $16,500. This information is part of NSPI's responses to NSEB Information Requests related to FLISR implementation.
NON-CONFIDENTIAL Duration (hrs) Count of Premise ID % Restored Customer Hours Avoided Count of Customer Interruptions Saved 19 20 Investments outlined and prioritized in the Five-Year Reliability Plan are recommended 21 based on the Compan...
AI summary The document outlines the Five-Year Reliability Plan by Nova Scotia Power, emphasizing the prioritization of investments based on asset management mechanisms and performance standards. It also includes a request for information on how NS Power evaluated affordability in its Reliability Plan, including metrics used, evaluation methods, customer segmentation, comparisons with other investment plans, and considerations of future costs.
101464Synapse (NSPI) IR-1 to IR-65
19 passages
Request IR-2: - Page 4 of the Reliability Plan states NS Power "has responded with $1.8 billion in system - infrastructure investments over that period [10 years]." Please provide an overview of these - investments by category of expenditu...
AI summary The document requests an overview of NS Power's $1.8 billion in system infrastructure investments over a 10-year period, categorized by expenditure type such as vegetation management and reconductoring, on an annual and total basis.
Request IR-17: - Please quantify which of the Reliability Plan investments and expenditures are "proactive" (e.g. - before it is necessary) versus "reactive" (e.g. when it is necessary for either compliance or to fix - broken equipment). P...
AI summary The request asks for a quantification of investments and expenditures in the Reliability Plan, distinguishing between proactive and reactive spending, categorized by type of expenditure and provided annually and in total.
Request IR-18: - Please provide Figure 1: Forecast Investment by Reliability Program 2025-2029 ($ million) on - page 5 of the Reliability Plan, in Excel with all supporting data, calculations, and work papers. As - part of this response, p...
AI summary The request asks for detailed financial data on the Forecast Investment by Reliability Program 2025-2029, including unit costs and supporting calculations, from page 5 of the Reliability Plan in Excel format.
Request IR-28: - Regarding feeder-level prioritization for reliability and risk, please provide the following feeder- - level basis for NS Power's service territory in Excel where possible with supporting data: - a. Feeder ID (unique ident...
AI summary Request IR-28 asks NS Power to provide detailed feeder-level data on reliability, risk, and investment targeting, including metrics like SAIDI, SAIFI, outage causes, and program-specific cost information for the Reliability Plan.
Request IR-39: - Regarding the Storm Hardening-Vegetation Management program discussed starting on page 15 - of the Reliability Plan: - a. Please provide the derivation of the total cost, including all supporting data and calculations in E...
AI summary Request IR-39 seeks detailed information on the Storm Hardening-Vegetation Management program, including cost derivation, SAIDI reduction calculations, mitigation effectiveness for various strategies, and existing vegetation management standards for NS Power. It also asks how the Reliability Plan exceeds current standards and the criteria for tree removal versus trimming.
Request IR-40: - Please refer to the list of strategies on page 15, lines 23-26 of the Reliability Plan. Please provide the following (in Excel with all calculations, where applicable): - a. Assumed or estimated unit cost (e.g. $/circuit m...
AI summary Request IR-40 asks for detailed cost and reliability improvement data related to strategies in the Reliability Plan, specifically focusing on unit costs, cost sources, and reliability improvements with supporting calculations.
Request IR-41: - Regarding Figure 5: Distribution Vegetation Management Right of Way Widening (2025) on page - 17 of the Reliability Plan and the Distribution Corridor Widening with Managed Right-of-Way - program: - a. In Excel, please pro...
AI summary The text is a request (IR-41) seeking detailed information about the Distribution Vegetation Management Right of Way Widening program in 2025, including feeder IDs, reasons for targeting specific feeders, work completed, costs, and explanations for feeders not prioritized in the Reliability Plan.
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-43: - Regarding Figure 8: New Rights-of-Way for Distribution Feeders on page 21 of the Reliability Plan and the New Rights-of-Way for Distribution Feeders: - a. In Excel, please provide the Feeder IDs shown that correspond to th...
AI summary Request IR-43 seeks detailed information regarding the New Rights-of-Way for Distribution Feeders in the Reliability Plan, including Feeder IDs, reasons for targeting specific feeders in 2025, work completed, costs, and explanations for feeders not prioritized in the plan.
Request IR-44: - For each feeder listed in Figure 10: 2025 Trip Saver Installations on page 5 of the Reliability Plan, - please explain and provide all quantitative support for why these feeders were targeted in 2025. - Please reference th...
AI summary Request IR-44 asks NS Power to explain and provide quantitative support for the selection of feeders targeted for 2025 Trip Saver Installations, including reliability improvements, program costs, and reasons for targeting feeders not originally planned.
Request IR-45: - Regarding page 25, lines 11-19, and page 26, lines 1-7 of the Reliability Plan, discussing new equipment and infrastructure projects meant to serve significant demand growth: - a. Please describe why these investments belo...
AI summary The request IR-45 seeks clarification on the inclusion of new equipment and infrastructure projects in the 5-year reliability plan, asking why these investments are included there rather than in another proceeding, and requesting detailed cost information and supporting workpapers.
Request IR-46: - Regarding Figure 11: 2025 Bring-to-Roadside Projects on page 27 of the Reliability Plan and the - Distribution Build-to-Roadside Program: - a. Please explain and provide all quantitative support for why the feeders listed...
AI summary Request IR-46 seeks detailed explanations and data regarding the 2025 Bring-to-Roadside Projects and the Distribution Build-to-Roadside Program, including reliability improvements, costs, and reasons for targeting specific feeders not originally planned.
Request IR-47: - Regarding Figure 12: 2025 Conductor Upgrades by Region on page 28 of the Reliability Plan and - the Distribution System Conductor Upgrades program: - a. Please explain and provide all quantitative support for why the feede...
AI summary Request IR-47 seeks detailed explanations and quantitative support for conductor upgrades in the 2025 Reliability Plan, including reliability improvements, program costs, and reasons for targeting specific feeders. It also asks for a list of feeders not prioritized in the Reliability Plan but targeted for investment in 2025, along with analysis for unplanned upgrades.
Request IR-48: - Regarding the Distribution System Underground Upgrades Program described on pages 28-29 of the Reliability Plan: - a. Please provide a comparison of overhead versus underground reliability basis for 2020- 2025 or recent ye...
AI summary Request IR-48 seeks detailed information on NS Power's Distribution System Underground Upgrades Program, including reliability comparisons between overhead and underground infrastructure, outage statistics, feeder details, cost breakdowns, and reasons for targeting specific feeders for upgrades in 2025.
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.
Request IR-50: - Regarding Section 5.3 (Substation Upgrades and Replacements) on pages 29 and 30 of the - Reliability Plan: - a. What is the expected reliability improvement for these projects? Please explain and provide quantitative suppo...
AI summary Request IR-50 seeks detailed information on substation upgrades and replacements outlined in the Reliability Plan, including expected reliability improvements, project specifics, costs, and reasons for changes in project prioritization and implementation.
Request IR-51: - Regarding page 30, lines 9-13 of the Reliability Plan, regarding new substations meant to serve new customers and evolving demand growth, please explain and cite applicable Board Orders for - why these investments belong i...
AI summary The document requests an explanation and citation of applicable Board Orders regarding why investments in new substations for new customers and evolving demand growth are included in the 5-year reliability plan rather than a different proceeding.
Request IR-55: - Regarding Figure 13: Remote Terminal Units Proposed for 2025 on page 32 of the Reliability Plan - and the Remote Terminal Units (RTUs) program: - a. Please explain and provide all quantitative support for why these substat...
AI summary Request IR-55 seeks detailed explanations and data on the selection of substations for Remote Terminal Units (RTUs) upgrades in 2025, including reliability improvements, costs, and reasons for unplanned substation targeting.
Request IR-57: - Regarding Figure 14: Downline Reclosers Planned for 2025-2026 on page 33 of the Reliability - Plan: - a. Please explain and provide all quantitative support for why the substation-feeder connections listed in Figure 14 wer...
AI summary The text is a request (IR-57) directed at explaining and providing quantitative support for the targeting of substation-feeder connections in the 2025-2026 Reliability Plan, including reliability improvements, project costs, and reasons for changes in targeting.