N-1Report
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....................................................................................... 20 3.3.1 Evolution of the Energy Mix in Nova Scotia ...................................................................... 22 3.3.2 Projections of Unit...
AI summary The document outlines sections covering energy mix evolution, system impact studies, environmental regulations, and resource adequacy. Key themes include renewable electricity requirements, infrastructure planning, and reserve criteria for grid reliability.
7.2 Transmission Design Criteria...................................................................................................... 49 7.2.1 Bulk Power System (BPS) ..........................................................................
AI summary The document outlines transmission system criteria, including Bulk Power System (BPS) and Bulk Electric System (BES) design standards, exception requests, Special Protection Systems (SPS), and reliability tie considerations. It also covers transmission life extension, project approval processes, and development plans from 2022 to 2033, including facility impacts and regional system upgrades.
8.4 Reliability Tie ............................................................................................................................. 58 8.5 Western Valley Transmission System – Phase II Study .....................................
AI summary The document outlines sections related to reliability and transmission planning, concluding with a 10-year system outlook, filed on June 30, 2023. Key sections include reliability tie studies and the Western Valley Transmission System Phase II.
TABLE OF FIGURES Figure 1: Net System Requirement with Future DSM Program Effects (actuals not weather adjusted) ...... 8 Figure 2: Coincident Peak Demand with Future DSM Program Effects .......................................................
AI summary The document presents a series of figures analyzing energy demand, generation capacity, DSM program impacts, infrastructure planning, and emission compliance. Key themes include system reliability, renewable energy integration, capital investment forecasts, and transmission queue management under Nova Scotia's regulatory framework.
Page 4 of 60 2023 10-Year System Outlook NON-CONFIDENTIAL 1 1.0 INTRODUCTION 2 3 Delivering clean, reliable and lowest cost energy is NS Power’s commitment to customers. NS 4 Power is committed to supplying 80 percent clean energy and phas...
AI summary NS Power outlines its commitment to 80% clean energy by 2030 and progress in tripling renewable energy on the grid. The 2023 10-Year System Outlook report assesses system capacity and adequacy, including DSM forecasts and generation expansion plans, under Nova Scotia Wholesale and Renewable to Retail Electricity Market Rules.
ments outside structured DSM programs, as well as increased 22 behind-the-meter solar installations. The net result is an average annual increase in Net System 23 Requirement of 0.7 percent. 24 7 M11108, Nova Scotia Power 2023 Load Forecas...
AI summary The text highlights a 0.7% average annual increase in Net System Requirement driven by factors outside structured DSM programs and rising behind-the-meter solar installations, citing Nova Scotia Power's 2023 Load Forecast Report (M11108).
historical coincident load factors for each of the rate classes. Peak savings related to Demand 15 Response (DR) activities, adjusted for Effective Load Carrying Capability (ELCC) as outlined in DATE FILED: June 30, 2023 Page 8 of 59 2023...
AI summary The 2023 10-Year System Outlook discusses historical and forecasted system peak demand, noting that customer growth and EV sales will increase peak demand, while DSM activities will reduce it. System peak demand is projected to rise 2.3% annually, with firm contribution to peak demand increasing 2.2% annually. ELCC adjustments and DR activities are factored into the analysis.
Interruptible Demand Response Firm Contribution Net System Contribution to Peak (reduction in Firm to Peak Peak Growth Year (MW) Peak only, MW) (MW) (MW) (%) 2013 136 - 1,897 2,033 8.0 2014 83 - 2,036 2,118 4.2 2015 141 - 1,874 2,015 -4.9...
AI summary The table presents historical and projected data on interruptible demand response contributions and net system peak growth from 2013 to 2029. It shows fluctuating MW values for demand response contributions, with notable increases starting in 2022, and corresponding percentage changes in peak growth, including a projected 12.6% growth in 2022 and stabilization in later years.
1 efficiency program effectiveness, the health of the economy, government policy, the impact of 2 electrification, changes in large customer loads, the number of electric appliances and end-use 3 equipment installed, and changes in technol...
AI summary NS Power's generation portfolio includes conventional and renewable resources, with renewable energy's intermittent nature requiring conventional units to meet firm capacity needs. The Renewable Electricity Standards (RES) have increased variable renewable energy production, though conventional resources remain critical for reliability.
318 Trenton Coal/Pet Coke/Heavy Fuel Oil 304 Point Tupper Coal/Pet Coke/Heavy Fuel Oil 150 Lingan 10 Coal/Pet Coke/Heavy Fuel Oil 607 Coal/Pet Coke & Limestone Sorbent Point Aconi 168 (CFB) PH Biomass 43 Total Steam 1590 Tufts Cove Units 4...
AI summary The document lists power generation units with their fuel types and capacities, including coal, natural gas, and biomass. Footnotes discuss Effective Load Carrying Capability (ELCC) values for renewables, Annapolis being out of service, and Lingan Unit 2's cold reserve status for winter 2023/2024.
1 3.1.1 Maximum Unit Capacity Rating Adjustments 2 3 As a member of the Maritimes Area of the Northeast Power Coordinating Council (NPCC), NS 4 Power meets the requirement for generator capacity verification as outlined in North American 5...
AI summary NS Power complies with NERC standards for generator capacity verification, updates unit capacities annually, and addresses Mersey Hydro redevelopment needs due to infrastructure degradation, adjusting reliability metrics in the Evergreen IRP study.
rk, the 26 derated adjusted forced outage rate (DAFOR) has been increased to account for potential 27 additional outage hours on the Mersey Hydro System. In addition, the modeled Effective Load 16 https://www.nerc.com/pa/Stand/Pages/Projec...
AI summary The document discusses an increase in the Derated Adjusted Forced Outage Rate (DAFOR) for the Mersey Hydro System to account for potential additional outage hours, impacting the Effective Load Carrying Capability (ELCC) in the 2023 10-Year System Outlook.
1 • The pausing of the Eastern Clean Energy Initiative (ECEI) project investments as an 2 outcome of the passage of Bill 212, which limits non-fuel rate increases to 1.8 percent to 3 the end of 2024. 4 • Announcement of the Federal Investm...
AI summary NS Power discusses the pause of the ECEI project due to Bill 212, federal tax credits for renewables, accelerating load growth, PPAs from the Provincial Rate Base Procurement program, and the selection of the CE1-E1-R2 scenario for the 2023 IRP, aiming for net zero by 2035 while monitoring future developments.
ies in alignment with Federal policy 25 discussion papers which point to these technologies as part of the path to a net zero electricity 26 system. The emerging technologies considered in the evergreen IRP include hydrogen fueled 18 Nova...
AI summary The document discusses Nova Scotia Power's (NS Power) analysis of the evergreen Integrated Resource Plan (IRP), highlighting the CE1-E1-R1 BD scenario with a bidirectional Atlantic Loop as the lowest-cost option. Emerging technologies like hydrogen, small modular reactors, and carbon capture are evaluated but not economically selected, with NS Power committing to monitor their development.
eduled outages, Lingan Unit 2 will be available, if needed, 18 to provide firm capacity and maintain an adequate planning reserve margin (Section 6.2) for the 19 upcoming winter (2023/2024). 20 DATE FILED: June 30, 2023 Page 17 of 59 2023...
AI summary The document discusses the availability of Lingan Unit 2 for providing firm capacity and maintaining an adequate planning reserve margin during the upcoming winter (2023/2024). It references the 2023 10-Year System Outlook, filed on June 30, 2023.
Page 24 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL 1 • Capacity factor reflects the energy production contribution of a generating unit and is a 2 necessary constituent of unit utilization. It is a part of the utilization factor de...
AI summary The document discusses the importance of capacity factors and service hours in assessing generating unit utilization, especially with the increased use of variable-intermittent generation. It highlights that service hours, rather than just capacity factors, are critical for understanding maintenance needs and failure mechanisms in power generation equipment.
Page 30 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL 1 4.1 System Impact Studies (SIS) 2 3 As outlined in Figure 12, a significant number of SIS have been completed or are in progress. Of 4 the SIS either in progress or complete, the...
AI summary The document discusses the progress of System Impact Studies (SIS) and the OATT Transmission Service Queue as of June 2023. SIS analyses are expanding to include EMT studies due to increased variable renewable generation and the phase-out of coal-fired generation. There are two active requests in the OATT Transmission Queue.
Page 40 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL 1 6.0 RESOURCE ADEQUACY 2 3 6.1 Operating Reserve Criteria 4 5 Operating Reserves are resources which can be called upon by system operators on short notice to 6 respond to the unp...
AI summary The document outlines the operating reserve criteria for Nova Scotia Power as part of the Maritimes Area of the Northeast Power Coordinating Council (NPCC). It specifies reserve requirements based on contingency losses and describes the shared responsibility between Nova Scotia Power and New Brunswick Power for ten-minute and thirty-minute reserves.
either Party will be responsible for is 100 percent of its greatest, on-line, net single 28 contingency, and, NSPI shall be responsible for 50 MW of Thirty-Minute Reserve. 29 39 https://www.npcc.org/program-areas/standards-and-criteria/reg...
AI summary The text outlines contingency responsibilities and mentions the amalgamation of the New Brunswick System Operator with NB Power under the Electricity Act, proclaimed on October 1, 2013. It also references a 2023 10-Year System Outlook document.
Page 41 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL 1 The Ten-Minute Reserve Responsibility for NS Power is typically 32 MW 41 of spinning reserve 2 on the system. Additional regulating reserve is maintained to manage the variabilit...
AI summary The document outlines the Ten-Minute Reserve Responsibility for NS Power, which is 32 MW of spinning reserve. It also discusses the Planning Reserve Margin (PRM) and the NPCC reliability criteria approved by the NSUARB, emphasizing the need to ensure resource adequacy and maintain reliability in the bulk power system.
1 The PRM provides a basis for the minimum required firm generation NS Power must plan to 2 maintain to comply with NPCC reliability criteria; it does not represent the optimal or maximum 3 required capacity to serve other system requireme...
AI summary The text discusses the PRM and its role in ensuring minimum required firm generation for NS Power to meet reliability criteria. It highlights a severe cold weather event in February 2023, which tested system capacity, and explains the capacity contribution of renewable resources using ELCC and LOLE studies.
teria. The criteria require the overall adequacy and security of 24 the interconnected power system to be maintained following a fault on and disconnection of any 25 single system component. 26 DATE FILED: June 30, 2023 Page 48 of 59 2023...
AI summary The criteria ensure the overall adequacy and security of the interconnected power system following a fault and disconnection of any single component. The document outlines the 2023 10-Year System Outlook for the Bulk Power System.
Page 48 of 59 2023 10-Year System Outlook NON-CONFIDENTIAL 1 7.2.1 Bulk Power System (BPS) 2 3 The NS Power bulk transmission system is planned, designed and operated in accordance with 4 North American Electric Reliability Corporation (NE...
AI summary The document outlines the definitions and operational standards for the Bulk Power System (BPS) and Bulk Electricity System (BES) under NS Power, emphasizing compliance with NERC and NPCC criteria. The NS Exception Procedure is also detailed, which allows for certain exceptions in the NS transmission system, approved by the NSUARB in 2017.
1 7.2.3 2022 Bulk Electric System Exception Requests 2 3 Since the filing of the 2022 10 Year System Outlook Report, no new BES Exception Requests 4 have been received. 5 6 7.2.4 Special Protection Systems (SPS) 7 8 Special Protection Syst...
AI summary The document discusses the 2022 Bulk Electric System Exception Requests, Special Protection Systems (SPS), and the ongoing review of the NPCC Directory 1. It notes that no new BES Exception Requests were received since the 2022 report, explains the use of SPS by NS Power for system stability, and outlines the current review of NPCC Directory 1 by a working group, expected to be completed in Q3 2023.