N-1IRP Action Plan Update
12 passages
Regional Integration Strategy IRP Action Plan Item 1 is: Develop a Regional Integration Strategy to provide access to firm capacity and low-carbon energy while increasing the reliability of Nova Scotia's interconnection with North America....
AI summary Nova Scotia Power (NSP) aims to develop a Regional Integration Strategy with three components: Near Term Firm Imports, Reliability Tie Development, and Regional Interconnection Analysis. The strategy seeks to enhance interconnection reliability with North America, secure low-carbon energy, and support Nova Scotia's commitment to phasing out coal generation by 2030.
Near Term Firm Import Opportunities Part 1a of the Regional Integration Strategy is: Identifying opportunities for near-term firm import over existing transmission infrastructure. The 2020 IRP evaluated options to import firm capacity and...
AI summary The document discusses Part 1a of the Regional Integration Strategy, focusing on identifying opportunities for near-term firm imports via existing transmission infrastructure. The 2020 IRP evaluated imports from New Brunswick and Newfoundland, finding them beneficial under specific commercial assumptions.
Reliability Tie Development Part 1b of the Regional Integration Strategy is: Immediately commencing the development of a Reliability Tie and Regional Interconnection via an appropriate regulatory process with target in-service dates as fol...
AI summary Nova Scotia Power is developing a Reliability Tie and Regional Interconnection to enhance system reliability and integrate renewable energy, with target in-service dates from 2025-2029 and 2027-2035. The project includes a 345kV AC transmission line from Onslow, NS to Salisbury, NB, aiming to reduce wind curtailment and meet synchronous inertia requirements.
Reliability Tie Development - In order to advance the Reliability Tie on the timelines indicated in the IRP Action Plan, NS Power engaged an engineering firm to complete a conceptual study of the Nova Scotia portion of the line, including...
AI summary Nova Scotia Power (NSP) is advancing the Reliability Tie project as outlined in the IRP Action Plan. This includes engaging an engineering firm for a conceptual study, conducting environmental surveys, and refining line routing. The study encompasses weather analysis, design concepts, and cost estimates for the NS portion of the line.
Regional Interconnection Analysis Part 1c of the Regional Integration Strategy is: In parallel with Regional Interconnection development, and working with neighbouring jurisdictions, conducting detailed engineering and economic studies for...
AI summary Part 1c of the Regional Integration Strategy involves conducting engineering and economic studies for firm import options, transmission investment, and regional interconnections, focusing on supply security, emissions, and dispatch flexibility. This work aligns with the wind procurement strategy and collaboration with neighboring jurisdictions.
Atlantic Clean Power Roadmap - Through 2020 and 2021, significant work was undertaken as part of the Atlantic Clean Power (ACP) Planning Committee. - The goal of this work has been to understand the potential benefits of new transmission i...
AI summary The Atlantic Clean Power Planning Committee, including Nova Scotia Power, worked from 2020-2021 to assess transmission interconnections for clean energy in the Maritimes. They initiated Transmission Service Requests and released an interim report in August 2020, with a final report expected in early 2022.
TSR 411 and TSR 412 - Transmission Service Requests (TSR) 411 and 412 were initiated as part of Nova Scotia Power's participation in the Atlantic Clean Power Roadmap. - TSR 411 is a request for Point-to-Point transmission service from NB t...
AI summary TSR 411 and TSR 412 were initiated by Nova Scotia Power as part of the Atlantic Clean Power Roadmap. TSR 411 seeks 550MW Point-to-Point transmission from NB to NS, targeting completion by February 2022, while TSR 412 (250-500MW from NL to NS) was withdrawn before study commencement.
Regional Integration and the Atlantic Loop - The Atlantic Loop is envisioned as a series of transmission expansion projects that would increase transfer capabilities between Hydro Québec and New Brunswick, and between New Brunswick to Nova...
AI summary The Atlantic Loop project aims to enhance transmission between Hydro Québec, New Brunswick, and Nova Scotia, aligning with Nova Scotia Power's (NSP) Eastern Clean Energy Initiative. Affordability concerns and federal support are emphasized as critical for decarbonization and coal phase-out. NSP will continue advocating for the project in 2022.
Regional Integration Alternatives - In addition to discussions aimed at advancing the Atlantic Loop project, Nova Scotia Power continues to monitor other potential sources of imported firm capacity and energy, consistent with the Regional...
AI summary Nova Scotia Power (NSP) is monitoring potential energy imports from New England and other regions as part of its Regional Integration strategy. However, New England's energy mix may not meet Nova Scotia's 80% renewable standard, and capacity importability may decrease compared to 2020 IRP assumptions due to gas constraints and shifting peak demand patterns.
Trenton 5 Retirement Plan - In order to meet ongoing firm peak load and planning reserve margin requirements, replacement firm capacity is required before Trenton 5 can be economically retired in order to maintain adequate system reliabili...
AI summary The Trenton 5 Retirement Plan requires securing replacement firm capacity through near-term imports or a new combustion turbine (CT) before economic retirement. Retirement is delayed to 2024 due to planning timelines, with operating restrictions to avoid capital investment. A transmission study assesses retirement impacts, and NS Power engages employees affected by coal unit retirements.
Wind Procurement Strategy Part 3d of the Thermal Plant Retirement item is: Initiate a wind procurement strategy, targeting 50-100 MW new installed capacity by 2025 and up to 350 MW by 2030. This strategy will solicit Nova Scotia-based mark...
AI summary The document outlines a wind procurement strategy targeting 50-100 MW by 2025 and up to 350 MW by 2030, informed by the Integrated Resource Plan (IRP). It emphasizes the need for system stability studies to assess grid impacts and potential requirements for ancillary services like Fast Frequency Response (FFR), especially in advance of the Reliability Tie commissioning.
2022 Workplan - Complete the development of robust transmission planning models required for the scope of studies. - Perform studies identified in the Scope of Work. - Develop documentation and guidelines including: - Planning study modell...
AI summary The 2022 Workplan outlines key activities related to transmission planning and system reliability, including the development of models, guidelines for inverter-based control systems, system strength recommendations, and inertia guidelines as traditional generators are phased out.
N-2IRP Action Plan Report Update
3 passages
1. Scope of Evergreen IRP 2022 Update – Assumptions AREA and the MEUs agree that changes have occurred since 2020 that warrant significant modeling updates. On Slide 2 of the 2022 Evergreen IRP Study Scope, NS Power states that the "evergr...
AI summary AREA and MEUs emphasize the need for updated assumptions in the Evergreen IRP 2022 study, requiring stakeholder input on GHG compliance modeling, Net Zero 2035 targets, firm import capacity, interconnection projects (TSR 411/412), battery storage, wind integration, and coal conversions. They stress transparency and timely information sharing to ensure assumptions reflect current data.
Clarifications from the Action Plan Presentation - 1. Renewable to Retail . The presentation indicated that there was some RtR activity over the last year. Can NS Power share any information regarding that activity? - 2. Near-Term Firm Imp...
AI summary The document outlines four questions raised during a regulatory proceeding, focusing on NS Power's Renewable to Retail (RtR) activity, near-term firm imports, updates on Transmission Study Reports (TSR 411/412), and potential Newfoundland imports. The inquiries seek clarity on transmission capacity, supply sources, and infrastructure requirements.
Attachment 2 NS Power Responses to Stakeholder Comments Theme Stakeholder Comment NS Power Response Evergreen Scenarios, Assumptions and Sensitivities AREA What are NS Power's future plans with respect to TSR 412, why was it withdrawn, and...
AI summary NS Power explains that TSR 412, which proposed importing capacity and energy from Newfoundland, was withdrawn as it is not under consideration in the near term. The project would require new renewable capacity in NL and additional transmission capacity, but no immediate plans are in place.
N-3IRP Action Plan Update
8 passages
Action Item 1b The Reliability Tie is a second 345kV AC transmission line from Onslow, NS to Salisbury, NB. For internal planning purposes, the Nova Scotia portion of this new transmission line has been designated as L-8005. This enhanced...
AI summary The Reliability Tie project involves constructing a 345kV AC transmission line between Onslow, NS, and Salisbury, NB, designated as L-8005 in Nova Scotia. It aims to enhance system reliability by integrating domestic wind generation, reducing curtailment, meeting inertia requirements, and expanding access to energy markets. The 2022 work plan focused on permitting and design.
Reliability Tie Significant progress was made in 2022 on progressing the scope of work, including the following: - Continued ClassIII designwork for L-8005 - Commencement of a Facility Study (associatedwith TSR 411) - Negotiations with the...
AI summary Progress on the Reliability Tie project in 2022 included design work, facility studies, CIB negotiations, intertie agreements, and environmental assessments. Indigenous community and stakeholder engagement continued, though project timing is under review due to Bill 212's rate cap.
Atlantic Loop Since October of 2022,NS Power investment in the Atlantic Loop has been paused as a result of the legislated electricity rate cap (Bill 212). Despite these constraints,NS Poweris continuing to progressthe following: - Discuss...
AI summary NS Power paused investment in the Atlantic Loop due to Bill 212's electricity rate cap but continues discussions with Hydro Quebec for renewable energy imports/exports and seeks federal funding for the project's regional importance.
TSR 411 - NS Power completed a transmission planning study (TSR 411) to study the system impact associated with a 550MW import to Nova Scotia from New Brunswick, consistent with the Regional Integration Strategy evaluated in the 2020 IRP a...
AI summary NS Power conducted a transmission planning study (TSR 411) assessing a 550MW import from New Brunswick, aligning with the 2020 IRP and Atlantic Loop project. The 2022 study evaluated resource changes, including coal-to-gas conversions, battery storage, and wind generation, concluding system stability under load and dynamic modeling. The study advanced to the Facilities Study stage in 2022.
Action Plan Item 3a During 2022, NS Power completed a transmission planning study to assess the impacts on the transmission systemof the retirement of Trenton 5. The study provides recommendationsfor system reinforcements to mitigate impac...
AI summary NS Power conducted a 2022 transmission study assessing impacts of retiring Trenton 5. Key findings include reduced CBX interface limits requiring line upgrades or FACTS devices, voltage support needs via capacitor banks, and Onslow South interface limitations. These findings will guide planning for Trenton 5's retirement.
Fast Acting Generation - BESS IRP Action Plan Item 3c A Battery Energy Storage Project (200MW) was included in the 2022 ACE plan for subsequent submittal. Progress on the Battery Storage (200MW) projectincluded: - RFP for equipment supply...
AI summary The 200MW BESS project, initially part of the 2022 ACE plan, has been paused due to Bill 212. Progress included RFP, site selection, and feasibility studies. It's now classified as a transmission asset.
Roadmap Item 2 In parallel with the Wind Procurement Strategy, a series of comprehensive transmission planning studies are ongoing to determine required changesto systemor operationalsupportin orderto maximize levels of wind integration. W...
AI summary Roadmap Item 2 discusses ongoing transmission planning studies in parallel with the Wind Procurement Strategy to support wind integration. A consultant with global expertise in Inverter Based Resources (IBRs) advanced a scope of work in 2022, including simulation model updates and detailed system studies on system inertia, system strength, and maximum wind capacity.
Wind Integration Studies 2023 Work Plan The 2023 work plan will incorporate findings from the Inertia and System Strength studiesto refine maximumwind study scenarios : - Continue to develop simulation models for study of additional scenar...
AI summary The 2023 work plan for Wind Integration Studies will incorporate findings from inertia and system strength studies to refine maximum wind scenarios, develop simulation models for new technologies, and update transmission system interconnection requirements to support a grid with high inverter-based resource penetration.
N-4Evergreen IRP Action Plan & Roadmap Update
6 passages
KEY FINDINGS Based on the common themes observed, the following are the key guiding principles to inform the Action Plan and Roadmap Items: - Variable renewable capacity additions are required to meet the 2030 targets. Up to 1500MW of addi...
AI summary The key findings emphasize the need for 1500MW of additional wind and 200MW of solar capacity by 2030, the critical role of the Reliability Tie and battery storage, the value of the Atlantic Loop for lower costs and emissions, and the importance of emerging technologies like SMRs. NS Power has updated its 2020 IRP Action Plan based on 2023 modeling.
Integration Assets - The reliability tie[1](#page-7-3) is required in all scenarios to support the integration of variable renewable generation (wind and solar) and to serve as the first leg of the Atlantic Loop (the latter in the with Atl...
AI summary The document discusses the necessity of the Reliability Tie for integrating variable renewable energy (wind and solar) and supporting the Atlantic Loop. It also highlights the addition of synchronous condensers by 2030 to support wind integration, with future studies confirming additional needs. Figures illustrate new resource capacity by 2030, 2035, and 2050.
Item 1b: Regional Integration Continue working with neighboring jurisdictions in support of the Atlantic Loop and other opportunities for regional integration, conducting detailed engineering and economic studies for firm import options re...
AI summary The text emphasizes advancing regional integration through collaboration with neighboring jurisdictions, focusing on the Atlantic Loop and other initiatives. It calls for engineering and economic studies to assess firm import options requiring new transmission investments, with evaluations of supply security, emission intensity, and dispatch flexibility.
Item 2c: Electrification Impacts – Transmission and Distribution System Address electrification impacts on the Transmission & Distribution system as additional experience and data become available. This will include an analysis of availabl...
AI summary The document outlines plans to analyze electrification impacts on Nova Scotia's transmission and distribution systems, including T&D capacity assessments, mitigation strategies, and cost estimates. It emphasizes leveraging data from NS Power's AMI implementation as it becomes available to inform the analysis.
ITEM 10: FIRM IMPORTS Continue to monitor opportunities for near-term firm imports over existing transmission infrastructure.
AI summary The document suggests continuing to monitor opportunities for near-term firm imports over existing transmission infrastructure, indicating a focus on utilizing current infrastructure for importing electricity.
GLOSSARY The modeling scenarios and their descriptions can be accesse[d here.](https://irp.nspower.ca/files/key-documents/annual-evergreen-materials/Evergreen-IRP-Updated-Modeling-Scenarios-Descriptions.pdf) For additional definitions, ple...
AI summary The glossary defines key terms related to energy infrastructure and planning, including the Reliability Tie, Atlantic Loop, and Variable Renewable Energy. It also introduces the Modified Mid DSM (MDSM) plan, a demand-side management strategy modeled in the 2020 Integrated Resource Plan (IRP).