N-1Report
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Nova Scotia Utility and Review Board IN THE MATTER OF The Public Utilities Act, R.S.N.S. 1989, c.380, as amended 2022 10-Year System Outlook NS Power June 30, 2022 NON-CONFIDENTIAL 2022 10-Year System Outlook NON-CONFIDENTIAL
AI summary The document is a 2022 10-Year System Outlook submitted by NS Power under the Public Utilities Act, outlining long-term infrastructure and operational plans for Nova Scotia's energy system. It is marked as non-confidential and dated June 30, 2022.
Page 3 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL
AI summary Page 3 of a 60-page non-confidential document titled '2022 10-Year System Outlook' is referenced, indicating a long-term planning document related to system infrastructure and operations.
1 TABLE OF FIGURES 2 Figure 1: Net System Requirement with Future DSM Program Effects (actuals not weather adjusted)..... 8 3 Figure 2: Coincident Peak Demand with Future DSM Program Effects .............................................. 9...
AI summary The document lists figures addressing energy management topics, including demand-side management impacts, generating capability, transmission interconnection queues, and greenhouse gas emissions compliance. Figures analyze system requirements, peak demand, capacity changes, energy mix forecasts, and infrastructure planning, though detailed analysis is not provided in the text.
as well as investments in upgrades, refurbishment or life extension, and new 23 generating facilities committed in accordance with previously approved NSPSO system 24 plans. 25 1 Nova Scotia Wholesale and Renewable to Retail Electricity Ma...
AI summary The text outlines the NSPSO system plan's requirements, including transmission investment planning, DSM programs by EfficiencyOne, NS Power generation planning for upgrades and new facilities, and additional DSM program requirements. It references the 2016 amended Nova Scotia Wholesale and Renewable to Retail Electricity Market Rules.
eloped as part of the 2020 IRP 18 that reflects the current planning environment. The results of this 2022 evergreen work will inform 19 future 10-Year System Outlook reports, as applicable. 20 2 M10504, Nova Scotia Power IRP Action Plan U...
AI summary The 2022 evergreen work updates the 2020 Integrated Resource Plan (IRP) to reflect the current planning environment, informing future 10-Year System Outlook reports. Documents referenced include M10504, covering the IRP Action Plan Update and Study Scope, filed on June 30, 2022.
NSR Growth Year (GWh) (%) 2012 10,475 -12.0 2013 11,194 6.9 2014 11,037 -1.4 2015 11,099 0.6 2016 10,809 -2.6 2017 10,873 0.6 2018 11,250 3.5 2019 11,077 -1.5 2020 10,723 -3.2 2021 10,902 1.7 2022 11,144 2.2 2023 11,163 0.2 2024 11,240 0.7...
AI summary The document presents historical and forecasted Net System Requirement (NSR) growth from 2012 to 2032, highlighting trends and forecasting methods. It details peak demand forecasting using regression models, historical load factors, and Demand Response (DR) adjustments referenced in the 2020 Integrated Resource Plan (IRP).
168 (CFB) Total Steam 1547 Tufts Cove Units 4, 5 & 6 Natural Gas 144 Total Combined Cycle 144 Burnside Light Fuel Oil 132 Tusket Light Fuel Oil 33 Victoria Junction Light Fuel Oil 66 Total Combustion Turbine 231 Pre-2001 Renewables 8 Indep...
AI summary The text lists Nova Scotia's power generation sources by fuel type and capacity, including natural gas, light fuel oil, wind, and IPPs. It notes outages (Annapolis), availability (Lingan Unit 2), and firm capacity assumptions for wind projects. References to sections explain operational statuses and capacity contributions.
Wholesale Market Participant Fuel Type Capacity 10 (MW) Backup Top-Up (BUTU) 11 Wind [Ellershouse 12] 4.2 Backup Top-Up (BUTU) Import Contract 13 0 Total 4.2 3 4 3.1.1 Maximum Unit Capacity Rating Adjustments 5 6 As a member of the Maritim...
AI summary NS Power complies with NERC Standard MOD-025-2 for generator capacity verification as a member of the Maritimes Area of the Northeast Power Coordinating Council (NPCC). The document references a NSUARB decision (M09940) aligning BUTU service ELCC factors with NS Power planning practices, including 18% ELCC for wind and 0% for non-firm imports.
13 Import energy contract is currently delivered via the Nova Scotia/New Brunswick Intertie. 14 https://www.nerc.com/pa/Stand/Pages/Project2007-09-Generator-Verification.aspx DATE FILED: June 30, 2022 Page 12 of 60 2022 10-Year System Outl...
AI summary The document references the import energy contract delivered via the Nova Scotia/New Brunswick Intertie and mentions the 2022 10-Year System Outlook. A link to a NERC generator verification project is included, though the main focus is on transmission infrastructure and long-term system planning.
1 The Net Operating Capacity of the thermal units and large hydro units covered by the NERC 2 criteria do not require adjustments at this point. NS Power will continue to refresh unit maximum 3 capacities in the 10-Year System Outlook each...
AI summary NS Power states that net operating capacities of thermal and large hydro units do not require adjustments, with annual updates planned. Mersey Hydro System redevelopment is underway due to aging infrastructure, critical for 25% of domestic hydro production. The 2020 IRP found redevelopment economically viable over decommissioning based on Hydro Asset Study (HAS) assumptions.
The results of this sensitivity indicate that redevelopment of the Mersey system is 27 economic relative to decommissioning when comparing the 25-year NPVRR with 28 end effects. The sensitivity is shown to be equivalent to the base case in...
AI summary Nova Scotia Power's analysis shows Mersey system redevelopment is economically comparable to decommissioning under 25-year NPVRR metrics, with results closely aligned across scenarios. The utility emphasizes the similarity of outcomes for long-lived hydro assets and plans to provide further economic analysis in capital applications.
1 3.1.3 Wreck Cove Hydro 2 3 The Wreck Cove Hydro system is an important asset for NS Power, providing critical and 4 renewable generation for peak demand periods. With the ability to quickly provide 212 MW of 5 peak capacity from two oper...
AI summary The Wreck Cove Hydro system, NS Power's largest hydroelectric asset, is undergoing a Life Extension and Modernization (LEM) Project to replace turbines with more efficient models, increasing annual generation by 5% to 315 GWh. The 2020 Integrated Resource Plan (IRP) outlines a decarbonization strategy emphasizing renewable energy integration over 25 years.
d using a Low Electrification load forecast 26 input, along with the assumption that coal generation would be retired by 2040 (or earlier as 27 economically optimized), based on then-current assumptions. The IRP Mid Electrification 28 reso...
AI summary The text discusses NS Power's Integrated Resource Plan (IRP) scenarios, highlighting that the Mid Electrification plan (Scenario 3.1C) with coal retirements by 2030 aligns better with updated load forecasts and environmental policies than the Low Electrification scenario. It references the 2020 IRP Report (M08929) and the 2022 document.
Page 14 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL 1 (described in Section 5.0). The remainder of the Report uses an updated resource plan that more 2 closely aligns with the IRP Scenario 3.1C plan rather than the IRP Reference Pla...
AI summary The 2022 10-Year System Outlook updates Nova Scotia Power's resource plan to align with IRP Scenario 3.1C, incorporating 80% RES by 2030, GHG pricing via Federal Backstop, ECEI investments, and 350 MW of wind capacity from Rate Base Procurement. Figure 5 highlights DSM projections, including 285 MW peak reduction and 37 MW demand response contributions.
285 Demand Response (Firm contribution) 17 37 Total Demand Side MW Change Projected Over Planning Period 322 Maintenance/Repairs: Hydro derates during Mersey rebuild and Wreck Cove LEM -108 Wreck Cove LEM completion 101 Brooklyn Power (Pre...
AI summary The text outlines projected demand-side management contributions, maintenance impacts on hydro infrastructure, and new resource additions (biomass, wind) for Nova Scotia's energy system. It references demand response firm contributions, maintenance/repairs impacts, and 2023-2032 resource additions, including a 48% ELCC assumption for demand response.
Anticipated Firm Imports per TSR-411 550 Battery 104 Natural Gas Units 700 Point Tupper 2 Coal-to-gas conversion 150 New Wind Build (Firm capacity) 44 Retirements: Tufts Cove 1, 2 & 3 -318 Trenton 5 & 6 -304 Lingan 1, 2, 3 & 4 -607 Point T...
AI summary The document discusses anticipated firm imports and retirements of power generation units, as well as the evergreen IRP process initiated by NS Power in 2022 to refine the Action Plan and Roadmap based on updated policy changes and key drivers. A workshop was held in April 2022 to discuss these updates.
11 12 On April 6, 2022 NS Power held a workshop to discuss the Action Plan and Road Map updates 13 and discuss planning for the 2022 evergreen process. On April 2, 2022 NS Power issued a revised DATE FILED: June 30, 2022 Page 16 of 60 2022...
AI summary NS Power held a workshop on April 6, 2022, to discuss updates to the Action Plan and Road Map and planning for the 2022 evergreen process. A revised document was issued on April 2, 2022, as part of the 2022 10-Year System Outlook.
Page 16 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL 1 IRP Action Update, reflecting new information between the original issuance date and the 2 workshop. On April 29, 2022 NS Power released a 2022 Evergreen IRP Study Scope outline...
AI summary The document outlines updates to the 2020 Integrated Resource Plan (IRP), including a stakeholder workshop and the release of draft assumptions and scenarios. It also discusses the status of Brooklyn Power’s biomass facility and the layup of Lingan Unit 2, which will be placed in cold reserve starting August 15, 2022.
conomic 28 dispatch. The unit will be placed into cold reserve and available to be recalled on 2 weeks’ notice. 29 18 M10504, NS Power Integrated Resource Plan - Action Plan Update. DATE FILED: June 30, 2022 Page 17 of 60 2022 10-Year Syst...
AI summary The document references a unit being placed into cold reserve and available for recall on 2 weeks' notice, along with a reference to the NS Power Integrated Resource Plan - Action Plan Update (M10504). It also mentions the 2022 10-Year System Outlook.
Page 17 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL
AI summary This document outlines the 2022 10-Year System Outlook, providing a non-confidential overview of the future direction and planning for the energy system in Nova Scotia.
Power is continuing discussions with Fisheries and Oceans 24 Canada (DFO) and engaging in capital planning activities based on communication from the 25 NSUARB and in support of resubmitting the application at a future date. For the purpos...
AI summary NS Power is continuing discussions with Fisheries and Oceans Canada regarding the Annapolis Tidal Generating Station and is planning capital activities in anticipation of resubmitting an application. For the 2022 10-Year System Outlook, no capacity or energy contribution from the station is assumed.
of conventional units is being displaced by renewable 15 resources. Figure 7 below illustrates this change with the actual energy mix from 2005 and 2021 16 and the updated forecast for 2023. 17 22 Tufts Cove 1, 2 & 3 retirements were selec...
AI summary The document discusses the shift from conventional energy units to renewable resources, illustrated by energy mix data from 2005, 2021, and a 2023 forecast. It also references the retirement of Tufts Cove 1, 2 & 3 based on the 2020 Integrated Resource Plan (IRP) in favor of new gas combined cycle (CT) capacity and mentions the Evergreen IRP's examination of these retirements.
2022 10-Year System Outlook NON-CONFIDENTIAL 1 Figure 7: 2005, 2021 Actual and 2023 Forecast Energy Mix 2
AI summary The 2022 10-Year System Outlook document includes Figure 7, which compares actual energy mix data from 2005 and 2021 with a 2023 forecast. This figure provides insight into the evolution and future expectations of Nova Scotia's energy mix.
5 0 0 0 0 Service Hours 2680 3493 3308 2472 3097 3393 0 0 0 0 24 See Section 3.2.4 DATE FILED: June 30, 2022 Page 21 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL
AI summary The document provides a 2022 10-Year System Outlook, including service hours and a reference to Section 3.2.4. The data and section reference suggest an analysis of system performance and planning.
Page 21 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL
AI summary The document presents the 2022 10-Year System Outlook, providing a non-confidential overview of the electricity system's future planning and projections for Nova Scotia.
Page 22 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL
AI summary This document provides a 10-year system outlook for the year 2022, focusing on the non-confidential aspects of the system planning and forecasting process.
2 3 The UF parameters are assessed to more completely describe the operational outlook for the steam 4 fleet and direct investment planning. The four parameters are described below. 5 6 • Capacity factor reflects the energy production cont...
AI summary The document discusses the use of utilization factor (UF) parameters to better assess the operational outlook for the steam fleet and guide investment planning. It outlines three key parameters: capacity factor, service hours, and unit cycles, each explaining how they influence investment and maintenance strategies.
ing systems) 24 and accelerate failure mechanisms; therefore, these must also be considered to properly 25 estimate the service interval and appropriate maintenance strategies. 26 DATE FILED: June 30, 2022 Page 24 of 60 2022 10-Year System...
AI summary The document discusses the importance of considering failure mechanisms in systems to estimate service intervals and develop appropriate maintenance strategies, as part of a 2022 10-Year System Outlook filing.
Page 24 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL
AI summary The document presents the 2022 10-Year System Outlook, providing a non-confidential overview of the projected energy system requirements and planning for the next decade.
nvestment associated with turbines, boilers and high energy 22 piping. Major assets are regularly re-assessed in terms of their condition and intended service as 23 NS Power’s operational data, utilization plan, asset health information, a...
AI summary The text discusses the investment in major assets such as turbines, boilers, and high-energy piping, and the regular reassessment of these assets based on operational data, utilization plans, and forecasts. It also includes a table showing the forecast unit utilization factors for various units up to 2032.
Page 25 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL POA-1 Low Ultra low Retired POT-2 27 Medium High Ultra low TRE-5 Low Off Retired TRE-6 High Medium Retired TUC-1 Low Off Retired TUC-2 Medium Off Retired TUC-3 Medium UL/off Retire...
AI summary The 2022 10-Year System Outlook discusses investment philosophy focused on maintaining unit reliability while minimizing undepreciated capital. It highlights the extension of major outage intervals and updated utilization factors based on model output data, which differ from the 2020 IRP assumptions. Point Tupper is scheduled to convert to natural gas for the winter of 2024/2025.
del output data versus being 9 conservatively modeled at a high utilization factor in the 2020 IRP process. 27 Point Tupper is converted to Natural Gas for the winter of 2024/2025. DATE FILED: June 30, 2022 Page 26 of 60 2022 10-Year Syste...
AI summary The document discusses the conversion of Point Tupper to natural gas for the winter of 2024/2025 and includes a forecast of annual investment by unit in the 2022 10-Year System Outlook. It highlights the difference between actual data and conservative modeling at a high utilization factor in the 2020 IRP process.
POT $40,000,000 POA $30,000,000 LMs LIN4 $20,000,000 LIN3 LIN1 $10,000,000 LIN0 $0 CTs 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 Biomass 2 3 Note: As it is used for asset planning, the figure above does not include escalation. Fore...
AI summary The document presents a 10-year system outlook for 2022, including projected investments and notes that figures are subject to change due to factors such as asset health, utilization, currency value, and inflation. The outlook excludes escalation and is used for asset planning purposes.
GIA 6-D 569 26-Jul-19 Digby 0.6 0.6 509V-302 Tidal 30-Jul-21 N/A Executed GIA 7-D 566 16-Jan-19 Digby 0.7 0.7 509V-301 Tidal 30-Apr-22 N/A Executed FAC in 8-T 574 27-Aug-20 Hants 58.8 58.8 L-6051 Wind 30-Jun-23 NRIS Progress 28 The In-Serv...
AI summary The document presents a list of Generation Interconnection Agreements (GIAs) with details such as project numbers, dates, locations, capacities, and statuses. It also references the 2022 10-Year System Outlook, indicating a focus on infrastructure planning and interconnection processes.
Page 28 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL In- Request Inter- Queue MW MW Service Service IR# Date County connection Type date Status Order Summer Winter Type DD-MMM-YY Point 28 DD-MMM-YY
AI summary The document presents a table outlining the 2022 10-Year System Outlook, including details such as request numbers, dates, counties, interconnection points, service types, and statuses. It provides a snapshot of system planning and infrastructure-related activities.
2022 Page 36 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL
AI summary The document presents the 2022 10-Year System Outlook, providing a non-confidential overview of the electricity system's future planning and projections.
2 As discussed in the previous section, the Federal Government provided guidance on the options 3 available to the province to establish a Provincial Carbon Policy framework as potential 4 alternatives to the Federal Backstop. NS Power und...
AI summary The Federal Government has provided guidance on establishing a Provincial Carbon Policy framework and a Clean Electricity Standard (CES) to support net-zero electricity by 2035. NS Power is adapting its electricity strategy to meet 2030 and 2035 targets, including renewable energy goals and carbon pricing, through its Integrated Resource Plan (IRP) process.
24 accelerate the Company’s carbon reduction strategy in a way that is affordable for customers, 25 maintains reliability, and supports NS Power’s customers and the communities where they live 26 and work. As the government’s announced pol...
AI summary The text discusses NS Power's commitment to accelerating its carbon reduction strategy in a manner that is affordable for customers, maintains reliability, and supports communities. It also references the government's policy changes that will become legislative and regulatory requirements and be reflected in future planning studies.
Page 40 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL
AI summary The document presents the 2022 10-Year System Outlook, providing a non-confidential overview of the electricity system's future planning and projections.
Page 41 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL
AI summary This document presents the 2022 10-Year System Outlook, providing a non-confidential overview of the power system's future planning and projections.
1 The PRM is a long-term planning assumption that is typically updated as part of an IRP process. 2 NS Power studied the appropriate calculation of its PRM as part of the 2020 IRP 47 which 3 confirmed that a 20 percent PRM target was appro...
AI summary The document discusses the Planning Reserve Margin (PRM) and its role in long-term planning, including its calculation in the 2020 Integrated Resource Plan (IRP). It also addresses the Effective Load Carrying Capability (ELCC) of renewable resources, particularly wind, and outlines a study conducted by E3 on behalf of NS Power to determine the ELCC of existing and potential new wind resources.
NS Power and the results determined the 25 average ELCC of the wind currently installed on the NS Power system to be 19 percent. The 26 declining marginal ELCC value of adding new wind to the NS Power system was determined to 47 M08929, No...
AI summary The document discusses the Effective Load Carrying Capability (ELCC) of wind energy on the NS Power system, noting that the average ELCC of currently installed wind is 19 percent, and that the marginal ELCC value declines with the addition of new wind. It references studies and reports from 2018 and 2019, as well as the 2022 10-Year System Outlook.
Page 42 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL
AI summary The document presents the 2022 10-Year System Outlook, providing a non-confidential overview of the power system's future planning and projections.
1 be 11 to 9 percent. In the 2020 IRP, the Company used 10 percent for the ELCC value of new 2 wind. For the purposes of this Report, NS Power has used the 18 percent capacity value of existing 3 wind to account for the wind farm serving w...
AI summary The document discusses the capacity value assigned to different wind and hydro resources by NS Power, referencing the 2020 Integrated Resource Plan (IRP) and the Back-up / Top-up (BUTU) Tariff. It also outlines a projected capacity deficit in Winter 2023/2024 and mentions the Planning Reserve Margin (PRM) as a reliability criterion set by the North American Electric Reliability Corporation (NPCC).
Page 43 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL 1 2 The PRMs provide one high-level measure of the amount of generation capacity 3 relative to the NPCC 20 percent planning reserve margin requirement. PRM is 4 defined as the amou...
AI summary The document discusses the Planning Reserve Margin (PRM) as a measure of generation capacity relative to the NPCC 20% planning reserve margin requirement. It highlights that capacity requirements may exceed NPCC thresholds due to factors like emissions constraints and the multi-fossil-fuel environment. The integrated model considers both long-term planning and short-term dispatch to optimize retirement and build decisions.
d in the 2020 IRP and will be analyzed further as NS Power 20 updates its long-term planning analyses, including as part of the 2022 evergreen IRP update. 51 Ibid at Section 3.1. DATE FILED: June 30, 2022 Page 44 of 60 2022 10-Year System...
AI summary The document outlines NS Power's 10-Year Load and Resources Outlook, projecting firm peak load, required reserve, and total existing resources from the winter of 2022/2023 to 2031/2032. It highlights the impact of demand-side management (DSM) and the need for capacity planning as part of the 2022 evergreen IRP update.
4 4 4 4 4 4 4 4 4 F Total Existing Resources (D + E) 2,546 2,546 2,546 2,546 2,546 2,546 2,546 2,546 2,546 2,546 Firm Resource Additions: G Biomass 53 43 24 H Hydro 54 -108 101 I New Wind - Rate Base Procurement 55 10 25 J Additions - Wind...
AI summary The text presents a table outlining total existing resources, firm resource additions, and total firm capacity over multiple years. It includes details on various energy sources such as biomass, hydro, wind, and coal-to-gas conversions, as well as retirements and cumulative additions. The reserve margin percentage is also calculated for each year.
Page 50 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL
AI summary The document presents the 2022 10-Year System Outlook, a non-confidential report outlining the long-term planning and forecasting for the energy system in Nova Scotia.
1 NS Power makes use of SPS in conjunction with the Supervisory Control and Data Acquisition 2 (SCADA) system to enhance the utilization of transmission assets. These systems act to maintain 3 system stability and remove equipment overload...
AI summary NS Power utilizes Special Protection Systems (SPS) with SCADA to maintain system stability and manage overloads. NS Power is also involved in reviewing the NPCC Directory 1 document and has a maintenance program focused on extending the life of transmission assets.
ociated prioritization of asset 26 replacement (i.e. conductor line, poles, cross-arms, guywires, and hardware replacement). 27 28 Transmission line inspections consist of the following actions: 57 https://www.npcc.org/program-areas/standa...
AI summary The text outlines the prioritization of asset replacement for transmission lines, including conductor line, poles, cross-arms, guywires, and hardware, as part of the 2022 10-Year System Outlook. It also references a link to the North American Electric Reliability Corporation's regional criteria directories.
Page 51 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL
AI summary This document presents the 2022 10-Year System Outlook, providing a non-confidential overview of the electricity system's future performance and planning considerations for Nova Scotia.
1 • Visual inspection of every line once per year via helicopter, or via ground patrol in 2 locations not practical for helicopter patrols. 3 • Foot patrol of each non-BPS line on a three-year cycle. Where a Lidar survey is requested 4 for...
AI summary The document outlines inspection protocols for transmission lines, including annual visual inspections via helicopter or ground patrol, and Lidar surveys for BPS and non-BPS lines. It also discusses the transmission project approval process, emphasizing system reliability, compliance with standards, and potential changes based on technical studies and regulatory approvals.
ests 27 28 NS Power continued to receive large numbers of new large-load requests in 2021 with respect to 29 proposed commercial, mining, aquaculture and government projects ranging in size from 1-15 30 MVA. As a result, approximately fort...
AI summary NS Power received numerous large-load requests in 2021 for commercial, mining, aquaculture, and government projects. Forty-one Preliminary Assessments were conducted, resulting in ten formal Load Impact Studies on transmission and distribution systems. Not all projects will result in immediate load due to multi-year construction timelines.
2022 Page 53 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL
AI summary The document provides a 2022 10-Year System Outlook, which outlines the future direction and planning for the electricity system in Nova Scotia. It is part of a regulatory proceeding and includes non-confidential information.
1 8.0 TRANSMISSION DEVELOPMENT 2022 TO 2032 2 3 Investments in transmission infrastructure can be affected by energy policy and the changing 4 sources of energy and capacity. Proposed transmission development plans and projects are subject...
AI summary The document outlines proposed transmission development projects from 2022 to 2032, including substation constructions and transformer installations to accommodate new load facilities. It also discusses challenges with the 129H-Kearney Lake Relocation project due to increased site development costs.
d in order to grade the property and provide a suitable access route into the site 29 for a mobile transformer unit. Subsequent negotiations with the owners of the existing site resulted 30 in a new option to swap the existing Kearney Lake...
AI summary The document discusses a site grading and access route negotiation for a mobile transformer unit at the Kearney Lake Substation, with an option to swap the existing site for sufficient property. It also references the 2022 10-Year System Outlook, which is part of a regulatory proceeding.
2 Page 54 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL
AI summary The document presents the 2022 10-Year System Outlook, which outlines the future direction and planning for the electricity system in Nova Scotia. It provides insights into long-term energy needs, infrastructure planning, and resource management strategies.
1 enable an expansion for a second transformer and new approach structure) with the NS Power- 2 owned land parcels across the street. The owners of the Kearney Lake site are prepared to extend 3 the existing lease to complete this option....
AI summary The text discusses plans for transmission development in Nova Scotia, including the relocation and expansion of substations, line structure replacements, and the resolution of a line deration issue. It also mentions the completion of several projects from 2021 and the anticipated need for additional projects due to load growth and coal phase-out planning.
n 2021. 27 • Construction of a new 25/33/42 MVA, 138 kV-25 kV substation in Stellarton in 2022/23. 28 • Transmission Right-of-Way Widening 69 kV to reduce the occurrence of edge and 29 off right-of-way tree contacts (Year 6 of 8). 30 • Pur...
AI summary The document outlines key infrastructure projects for 2021 and 2022/23, including the construction of a new substation in Stellarton and transmission right-of-way widening to reduce tree contact incidents.
22 Page 55 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL
AI summary The document outlines the 2022 10-Year System Outlook, providing a non-confidential overview of the energy system planning and forecasting for the next decade.
1 • Purchase of replacement spare for unit utilized at 58C-SW Margaree Substation 2 (C0031052) 3 • Purchase suitable lot for establishing a new 138kV–25kV Suzie Lake Substation. 4 • Purchase new 138 kV–25 kV, 15 MVA Skid-Mounted Substation...
AI summary The text lists various infrastructure projects and maintenance activities related to power substations and transmission lines in Nova Scotia, including replacements, constructions, and relocations aimed at improving system reliability and capacity.
2022 Page 56 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL 1 2024 2 • Installation of a second 25/33/42 MVA, 138 kV-25 kV transformer at 1N-Onslow. 3 • Transmission Right-of-Way Widening 69 kV to reduce the occurrence of edge and off...
AI summary The document outlines a 10-year system outlook for Nova Scotia Power, detailing planned infrastructure upgrades from 2024 to 2031, including transformer installations, substation expansions, and transmission improvements, with anticipated future projects as coal-fired generation is phased out and electrification advances.
2022 Page 57 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL 1 8.4 Western Valley Transmission System – Phase II Study 2 3 The Western Valley transmission study was initiated to determine the system upgrades needed to 4 address transmis...
AI summary The Western Valley Transmission System – Phase II Study evaluates various options to upgrade aging 69 kV transmission lines over a 15-year planning horizon, including temperature rating upgrades, line rebuilds, and the construction of new 138 kV circuits.
ulch and 9W-Tusket 27 Option #6 ‐ Bypass L-5025, L-5026, L-5531, and L-5535 with new double circuit 138 kV line 28 from 51V-Tremont to new substations at 13V-Gulch and 9W-Tusket. 29 DATE FILED: June 30, 2022 Page 58 of 60 2022 10-Year Syst...
AI summary The 2022 10-Year System Outlook study was expanded to include electrification impacts on the Western Valley and Western regions. However, work was paused in Q3 2021 due to the Rate Base Procurement process for renewable generation and is expected to resume in Q3 2022.
30, 2022 Page 59 of 60 2022 10-Year System Outlook NON-CONFIDENTIAL 1 9.0 CONCLUSION 2 3 Customers count on NS Power for energy to power every moment of every day, and for solutions 4 to power a sustainable tomorrow. Environmental legislat...
AI summary The 2022 10-Year System Outlook concludes that NS Power is committed to providing reliable energy and adapting to environmental policies. The 2020 Integrated Resource Plan (IRP) Scenario 3.1C serves as the planning basis, and an evergreen IRP update is scheduled for 2022 to refine the Action Plan and Roadmap.