Topic:"Environmental Goals And Climate Change Reduction Act" in M12451

- 3 purchased power. NS Power has worked with the Provincial Government to find a way to reduce - 4 cost pressures for customers while still ultimately achieving the required emissions compliance. - 5 With respect to sulphur dioxide, the P...

AI summary NS Power has received a certificate of variance under the Environment Act, allowing flexibility in sulphur dioxide emissions limits to align with renewable energy integration. This results in a net-neutral environmental impact and a reduction in NS Power's revenue requirement by approximately $160 million over two years.

2026-2027 GRA Direct Evidence Appendix 1B Page 4 of 4 REDACTED (CONFIDENTIAL INFORMATION REMOVED) OT Overtime OTE Overhead Transmission Equipment PCB Polychlorinated Biphenyls PCR Program Cost Recovery (for DSM) PHB Port Hawkesbury Biomass...

AI summary This document is an appendix from a 2026-2027 General Rate Application (GRA) proceeding in Nova Scotia, containing a list of acronyms and their expansions relevant to energy regulation, infrastructure, and financial terms. The content is redacted, with confidential information removed, and focuses on technical, operational, and regulatory terminology used in the proceeding.

2026-2027 GRA Direct Evidence Appendix 3A Page 1 of 14 REDACTED (CONFIDENTIAL INFORMATION REMOVED)

AI summary This document is a redacted appendix from the 2026-2027 General Rate Application (GRA) proceeding, focusing on direct evidence. Key elements include regulatory considerations, cost recovery mechanisms, and potentially rate design issues, though specific details are confidential.

2026-2027 GRA Direct Evidence Appendix 3B Page 6 of 54 REDACTED (CONFIDENTIAL INFORMATION REMOVED)

AI summary The document is a redacted appendix from a 2026-2027 General Rate Application (GRA) proceeding in Nova Scotia. It contains confidential information removed, with no substantive content provided in the excerpt.

While NS Power is a leader in climate change mitigation, adaptation is still needed NS Power has achieved the fastest transition to cleaner energy among Canadian utilities and is on track to achieve its target of supplying 80% of its energ...

AI summary NS Power is a leader in climate mitigation, achieving 54% CO2 reduction since 2005 and targeting 80% renewable energy by 2030. However, climate adaptation remains critical, including safeguarding electricity assets. Climate change requires both mitigation (reducing emissions) and adaptation (preparing for impacts).

CEA Climate Hazard Associated Climate Variables Changes in mean annual and/or seasonal temperature • Temperature, daily mean • Temperature, daily max • Temperature, daily min Changes in runoff and ground conditions • Riverine flooding • La...

AI summary The text outlines various climate hazards and their associated variables, including temperature changes, precipitation patterns, runoff, snow cover, drought, heat waves, and sea level rise. These variables are relevant for assessing climate impacts on infrastructure and energy systems.

2026-2027 GRA Direct Evidence Appendix 3B Page 30 of 54 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 3.4. Sample Climate Impact Assessment for Two Assets Critical to NS Power's Mission Tufts Cove – Example of Key Climate Impacts of critical...

AI summary The document presents a climate impact assessment for Tufts Cove, NS Power's key natural gas-fired generating station. It identifies physical climate risks, including sea level rise (projected 13-26cm by 2050) and increased hot days (9-13.5 days by 2050). Temperature changes and coastal flooding risks are highlighted as critical threats to the asset's operations and reliability.

5. Step 5 Identify Potential Adaptation Measures (risk controls) This step reviews the types of risk mitigation measures that are available to NS Power to adapt to physical climate impacts and the Company's management system for climate in...

AI summary NS Power's Step 5 focuses on identifying adaptation measures to mitigate physical climate risks. The process involves annual risk assessments by asset reliability teams, prioritizing high/medium-high risks. Mitigation options are evaluated through two streams: asset teams proposing solutions and capital engineering resources flagging assets. No standardized response exists for risks, with treatments varying by asset.

2026-2027 GRA Direct Evidence Appendix 3B Page 46 of 54 REDACTED (CONFIDENTIAL INFORMATION REMOVED)

AI summary The document is a redacted appendix from a 2026-2027 General Rate Application (GRA) proceeding in Nova Scotia. It includes a list of acronyms and terms relevant to energy regulation, cost recovery mechanisms, and infrastructure planning, though the actual content is confidential and removed.

In 2023, Nova Scotia saw the largest wildfire in its history impact Shelburne County with over 23,000 hectares of land burned. Additionally, major fires in Tantallon simultaneously impacted hundreds of residences. In Canada there was over...

AI summary In 2023, Nova Scotia experienced its largest wildfire in Shelburne County, burning over 23,000 hectares, while major fires in Tantallon affected hundreds of homes. Canada as a whole saw over 17 million hectares burned, more than double the 1995 record.

2026-2027 GRA Direct Evidence Appendix 3C Page 9 of 38 REDACTED (CONFIDENTIAL INFORMATION REMOVED)

AI summary This document is a redacted page from Appendix 3C of the 2026-2027 General Rate Application (GRA) proceeding. It contains confidential information removed, focusing on regulatory evidence related to cost recovery, rate design, and energy management programs in Nova Scotia.

3.1 Enhanced Risk Profiling

AI summary The section '3.1 Enhanced Risk Profiling' is part of a regulatory proceeding document, but no detailed content is provided beyond a list of acronyms related to energy regulation, utility operations, and environmental legislation.

2026-2027 GRA Direct Evidence Appendix 3C Page 20 of 38 REDACTED (CONFIDENTIAL INFORMATION REMOVED)

AI summary The document is a redacted appendix from a Nova Scotia regulatory proceeding related to the 2026-2027 General Rate Application (GRA). Confidential information has been removed, and no substantive content is visible for analysis.

Lightning arrestor removal and replacement Lightning arrestors are a piece of electrical equipment designed to mitigate the impact of transient overvoltage on the electric system. Overvoltage can cause damage to more expensive equipment, t...

AI summary Lightning arrestors protect electrical equipment from transient overvoltage but risk thermal overload and ignition under extreme conditions. Climate projections indicate increased lightning activity in Nova Scotia, necessitating evaluation of new arrestor designs to reduce ignition risks. Current standards use grounding wires for transmission and higher-class arrestors in substations, while distribution equipment relies on standard arrestors.

APPENDIX 5A 2026-2027 FUEL AND PURCHASED POWER

AI summary Appendix 5A outlines fuel and purchased power considerations for 2026-2027, referencing regulatory frameworks, cost recovery mechanisms, and energy management programs. It includes acronyms related to Nova Scotia's energy sector, such as DSM, FAM, and CRA, indicating focus areas like demand-side management, fuel adjustment, and compliance with environmental legislation.

5 1.1.1 Solid Fuel 6 7 Although NS Power's reliance on thennal generation continues to decrease and the Nova Scotia 8 Government's legislated 1 goal to phase out coal-fired electricity generation by 2030, solid fuel 9 continues to comprise...

AI summary NS Power continues to rely on solid fuel despite decreasing thermal generation and the Nova Scotia Government's 2030 coal phase-out goal. Solid fuel remains a significant part of forecast requirements, with procurement from foreign suppliers and financial hedging strategies. Further details on procurement and hedging are outlined in Sections 1.2.2 and 1.4.

REDACTED 2026-2027 GRA Direct Evidence Appendix SA Page 14 of 38 REDACTED (CONFIDENTIAL INFORMATION REMOVED)

AI summary Redacted page from a 2026-2027 GRA Direct Evidence Appendix in a Nova Scotia regulatory proceeding. Contains confidential information removed, with a list of acronyms related to energy regulation, cost recovery, and operational metrics.

Figure 17 – Annual Emission Allowance Caps for SO 2 Year(s) SO 2 Tonnes Unit Maximum Annual Cumulative 2021- 2022 17,760 60,900 90,000 2023- 2024 17,760 60,900 68,000 2025 13,720 45,000 1 2026 13,720 45,000 1 2027 13,720 40,0001 $141,000^{...

AI summary Figure 17 outlines the annual emission allowance caps for SO2 from 2021 to 2030, with specific limits for each year. The table includes unit maximums, annual caps, and cumulative totals, with some years having limits based on a Certificate of Variance that supersedes previous regulations.

5 6 7 8 SO 2 is governed by annual maximum limits as well as a multi-year cumulative emission limits. 9 The annual SO 2 limits from 2025 to 2027 are based on a Certificate of Variance issued by the Province which allows 45 kt in both 2025...

AI summary The text discusses sulfur dioxide (SO2) and mercury (Hg) emissions limits, including annual and multi-year cumulative limits. It references a Certificate of Variance issued by the Province, allowing specific emission levels from 2025 to 2027 and a cumulative limit for 2026-2029. The text also mentions mercury and nitrous oxide (NOx) emissions being governed by similar annual and cumulative limits.

REDACTED 2026-2027 GRA Direct Evidence Appendix 5A Page 23 of 38 REDACTED (CONFIDENTIAL INFORMATION REMOVED) 1 2 1.2.4.1 OBPS 3 4 Greenhouse Gas (GHG) emissions are also managed in accordance with the Output-Based 5 Pricing System Reportin...

AI summary The document discusses Nova Scotia Power's management of GHG emissions under the Output-Based Pricing System (OBPS) and provides forecasts for natural gas prices during the 2026-2027 GRA period. It outlines compliance obligations, performance credits, and the impact of natural gas pricing on costs.

REDACTED 2026-2027 GRA Direct Evidence Appendix SA Page 27 of 38

AI summary The document is a redacted appendix from a 2026-2027 General Rate Application (GRA) proceeding in Nova Scotia. It includes technical and regulatory terminology related to energy management, cost recovery mechanisms, and utility operations, though no specific content or arguments are visible due to redaction.

Fuel Adjustment Mechanism Plan of Administration in Effect for 2026-2027 May 28, 2025

AI summary This document outlines the Fuel Adjustment Mechanism (FAM) plan effective for 2026-2027, part of a Nova Scotia regulatory proceeding. It details the administration of fuel cost adjustments, aligning with climate goals and energy regulations.

• Costs directly applied: - o Third Party Fuel Handling, Transportation (e.g movement between Long Term Dead Storage/Bear head and plants) and Maintenance related to Coal Piles - o Storage fees (e.g. lease, handling fees, facility fees) -...

AI summary The text lists direct costs associated with coal operations, including fuel handling, storage, environmental compliance, rail car maintenance, international pier operations, and ash hauling. These costs are categorized under operational and compliance expenses related to coal management and transportation.

2026-2027 GRA Direct Evidence Appendix 6B (Clean) Page 28 of 33 REDACTED (CONFIDENTIAL INFORMATION REMOVED)

AI summary This document is a redacted appendix from a 2026-2027 General Rate Application (GRA) proceeding in Nova Scotia, focusing on direct evidence. Confidential information has been removed, limiting the visibility of specific arguments or data.

2026-2027 GRA Direct Evidence Appendix 6B (Redline) Page 5 of 35 REDACTED (CONFIDENTIAL INFORMATION REMOVED)

AI summary The document is a redacted appendix from a 2026-2027 General Rate Application (GRA) proceeding in Nova Scotia, containing confidential information removed. It is part of the Direct Evidence Appendix 6B (Redline), page 5 of 35.

2026-2027 GRA Direct Evidence Appendix 6B (Redline) Page 23 of 35 REDACTED (CONFIDENTIAL INFORMATION REMOVED)

AI summary This document is part of the 2026-2027 General Rate Application (GRA) proceedings, focusing on direct evidence related to cost recovery and rate adjustments. Key entities include Nova Scotia Power and the Nova Scotia Energy Board, with topics covering rate design and DSM cost recovery mechanisms.

2026-2027 GRA Direct Evidence Appendix 6B (Redline) Page 26 of 35 REDACTED (CONFIDENTIAL INFORMATION REMOVED)

AI summary The document is a redacted page from a Nova Scotia regulatory proceeding related to the 2026-2027 General Rate Application (GRA). It includes a direct evidence appendix focusing on cost recovery mechanisms, though specific details are omitted due to confidentiality.

ses. Notwithstanding the foregoing, stakeholders shall not be precluded from reviewing prior years' actual results versus prior forecasts in addressing the propriety of the succeeding year's forecast. 2026-2027 GRA Direct Evidence Appendix...

AI summary The document outlines stakeholder review processes for evaluating forecasts against prior years' actual results and defines key terms like Actual Adjustment (AA), Balance Adjustment (BA), and Annual Weighted Average Cost of Capital (WACC). It emphasizes transparency in fuel cost recovery and balance adjustments, with definitions critical to regulatory proceedings.

NSPI (FAM) M-5 CONFIDENTIAL Curre nt Month Year- to-Date Generating Unit Additive Type Quantity Cost $/MWh Quantity Cost $/MWh Lingan - Unit 1 Powder Activated Carbon kgs • kgs Lingan - Unit 2 Powder Activated Carbon kgs kgs Lingan - Unit...

AI summary The document presents a table detailing the use of Powder Activated Carbon and Calcium Chloride across various generating units, with costs and quantities reported for the current month and year-to-date. The commentary section is empty, and a reference to an environmental report on mercury emissions is provided.

Environmental Legislation and Climate Change NSPI is subject to environmental laws and regulations as set by both the Government of Canada and the Nova Scotia Provincial Government (the "Province"). For further discussion on environmental...

AI summary NSPI must comply with environmental laws from the Canadian and Nova Scotia provincial governments. The text references sections in NSPI's 2024 MD&A discussing environmental legislation, climate change, and risk management. Recent developments in provincial and federal environmental regulations are outlined but not detailed.

Requirement: Applicable emissions targets legislated and compliance accomplished for past year and current year, and how compliance is planned for the test year and five years into the future.

AI summary The requirement focuses on emissions targets legislated by applicable laws, compliance achieved in the past and current year, and plans for compliance in the test year and the next five years.

- In October 2017, the Province passed amendments to the Environment Act for the development of a capand-trade program for carbon emissions, which became effective on January 1, 2019, with an initial compliance period of four years (2019–2...

AI summary Nova Scotia has implemented various environmental regulations, including a cap-and-trade program, renewable electricity mandates, and coal phase-out requirements. NSPI is allowed to comply with federal GHG regulations through an Equivalency Agreement with the federal government, which was renewed in 2019.

Environmental Regulation • In October 2017, the Province passed amendments to the Environment Act for the development of a capand-trade program for carbon emissions, which became effective on January 1, 2019, with an initial compliance per...

AI summary Nova Scotia passed amendments to the Environment Act in 2017 to implement a cap-and-trade program for carbon emissions, effective from 2019. The Province also mandated 80% renewable electricity sales by 2030 and phased out coal-fired generation by 2030. An Equivalency Agreement with the federal government was renewed in 2019, allowing NSPI to comply with federal regulations until 2029. Due to the pandemic, NSPI faced delays in meeting renewable energy targets, prompting an alternative compliance plan.

- In October 2017, the Province passed amendments to the Environment Act for the development of a capand-trade program for carbon emissions, which became effective on January 1, 2019. - In July 2021, the Province amended the RER to mandate...

AI summary Nova Scotia has implemented several environmental policies, including a cap-and-trade program for carbon emissions starting in 2019, and mandated that 80% of electricity sales be from renewable sources by 2030. The Province also entered into an Equivalency Agreement with the federal government to align provincial and federal GHG regulations, which was renewed in 2019 and will expire in 2024, with potential renewal until 2029.

Trenton: - 6 units. Unit 1-4 small units Out of service and retired in place. - Unit 5 150 MW; Fuel Coal; In-Service 1969 - Unit 5 Expected retirement ~April 2027. - Unit 6 160MW In-service 1991. Fuel Coal. - o Water coming out of Trenton...

AI summary The Trenton power plant has six units, with Units 1-4 retired. Units 5 and 6, both coal-fired, are expected to retire in 2027 and 2029, respectively. Unit 5 has been in service since 1969, and Unit 6 since 1991. Water discharge from the plant is too warm, negatively affecting marine life.

ns beginning in 2010. Nova Scotia became the first jurisdiction in North America to set hard caps on GHG emissions and has set ambitious targets for generating more electricity from renewable sources. Provincial legislation titled, "Enviro...

AI summary Nova Scotia has implemented strict GHG emission caps through the Environmental Goals and Sustainable Prosperity Act, requiring NSPI to significantly reduce emissions from coal-fired units. This legislation aims to transition to renewable energy sources, with targets of 25% by 2015 and 40% by 2020. The reduction in coal usage will impact the service life of coal plants, as they may only be used as backup.

Changes in Environmental Legislation NSPI is subject to extensive regulation by federal, provincial and municipal authorities regarding environmental matters; primarily related to its utility operations. This includes laws, regulations and...

AI summary NSPI is regulated by various authorities on environmental matters, including GHG emissions, renewable energy, and waste management. Both provincial and federal governments have set net-zero goals by 2050, with Nova Scotia aiming to phase out coal by 2030. Exemptions from federal coal regulations may not continue, posing potential risks to NSPI.

Renewable Energy Regulations: The Province has established targets with respect to the percentage of renewable energy in NSPI's generation mix. Under the RER, the Company currently has a provincially mandated target of achieving at least 4...

AI summary Nova Scotia has set renewable energy targets for NSPI, requiring 40% renewable energy sales from 2020 to 2029 and 80% from 2030 onward. The province also aims to phase out coal-fired electricity by 2030. NSPI is collaborating with provincial and federal governments to meet these targets.

DATE FILED: December 9, 2024 Page 10 of 54 1 3.0 2030 DECARBONIZATION GOALS 2 3 NS Power's 2030 decarbonization goals are mandated under several legislative and regulatory 4 frameworks. Although there are many environmental regulations tha...

AI summary NS Power is required to meet 2030 decarbonization goals, including an 80% renewable electricity sales target and phasing out coal-fired generation by 2030, as mandated by provincial and federal regulations. These goals are incorporated into the Evergreen Integrated Resource Plan and the 2030 Clean Power Plan. NS Power is also considering proposed Clean Electricity Regulations to achieve net-zero emissions by 2050.

Figure 2 – Nova Scotia's 2030 Clean Power Plan (October 2023)

AI summary Figure 2 presents Nova Scotia's 2030 Clean Power Plan, outlining the province's strategy for transitioning to clean energy by 2030. The plan includes targets for renewable energy generation, grid modernization, and emissions reduction.

Environmental Regulation - In October 2017, the Province passed amendments to the Environment Act for the development of a cap-and-trade program for carbon emissions, which became effective on January 1, 2019. - In July 2021, the Province...

AI summary Nova Scotia has implemented several environmental regulations, including a cap-and-trade program and renewable energy targets. The Province amended the RER to require 80% renewable electricity by 2030 and phased out coal by 2030. An Equivalency Agreement with Canada was renewed in 2024, allowing compliance with federal GHG regulations until 2029. NSPI faced a $10 million penalty in 2023 for noncompliance and filed an appeal. The 2030 Clean Power Plan and Bill 404 aim to expand renewable generation and transition to the NSIESO for grid operations.

ns beginning in 2010. Nova Scotia became the first jurisdiction in North America to set hard caps on GHG emissions and has set ambitious targets for generating more electricity from renewable sources. Provincial legislation titled, "Enviro...

AI summary Nova Scotia has set ambitious GHG emission reduction targets under the Environmental Goals and Sustainable Prosperity Act (EGSPA), requiring NSPI to significantly reduce emissions from coal-fired units. This legislation will lead to the retirement or curtailment of coal plants and increase reliance on renewable energy sources by 2020.

4 Q. ARE THERE PARTICULAR CONCERNS ASSOCIATED WITH HARD CARBON 5 CAPS IMPLEMENTED BY GOVERNMENTAL ENTITIES? 6 A. Yes. It is my understanding that there are Greenhouse Gas Emmissions Regulations made under Subsection 28(6) in Section 112 of...

AI summary The respondent confirms that there are Greenhouse Gas Emissions Regulations under Subsection 28(6) of Section 112 of the Environmental Act, which are relevant to concerns about hard carbon caps implemented by governmental entities.

CHANGES IN TEMPERATURE AND PRECIPITATION IN QUÉBEC Québec's climate is characterized by significant north-south variation in terms of annual average temperature. In other words, the weather is much warmer in the south than in the north. Th...

AI summary Québec's climate is expected to experience significant temperature and precipitation changes by the end of the century, with greater warming in the north and increased precipitation province-wide. These changes will impact communities and infrastructure, particularly in regions like Baie James and Hydro-Québec facilities.

Climate hazards Pictograms representing climate hazards associated with the action area. Climate change is altering the frequency, intensity and duration of extreme weather events. The magnitude of these changes varies depending on the reg...

AI summary The text discusses how climate change is increasing the frequency, intensity, and duration of extreme weather events, with variations based on region, time horizon, and greenhouse gas emission scenarios.

DESCRIPTION More days of extremely high temperatures mean more heat islands produced by Hydro-Québec facilities, including parking lots, storage sites and roads. Because these areas absorb and trap heat, they can cause heat stroke in membe...

AI summary Hydro-Québec facilities, such as parking lots and roads, contribute to heat islands, increasing the risk of heat stroke for the public and employees. This negatively impacts Hydro-Québec's environmental and sustainable development reputation.

FURTHER INFORMATION - In 2017, a research project was initiated by Université du Québec à Rimouski, in partnership with Hydro-Québec's research center and Ouranos, with the aim of modeling forest fire probabilities over the coming years. -...

AI summary A research project initiated by Université du Québec à Rimouski in 2017, in partnership with Hydro-Québec and Ouranos, models forest fire probabilities. Data suggest 2.5% of a defined area in northwestern Québec burns annually, and Hydro-Québec has a monitoring agreement with SOPFEU for 155 critical infrastructure sites in northern Québec.

](https://www.coned.com/-/media/files/coned/documents/our-energy-future/our-energy-projects/climate-change-resiliency-plan/climate-change-resilience-adaptation-2020.pdf) (retrieved November 18, 2021). ConEdison, ICF, Lamont-Doherty Earth O...

AI summary The text provides a list of references to climate change-related documents, including a vulnerability study by ConEdison and a community climate adaptation plan by Durham Region. These documents are cited with URLs and retrieval dates.

address a refusal to supply a means of diagnosis or repair arrangements antérieurs, en veillant à ce que l’ordonnance and ensuring that representations of a product’s benefits for rendue en cas de refus de vendre puisse permettre de remé-...

AI summary The text discusses measures to ensure accurate product claims related to environmental benefits and the enforcement of regulations to address non-compliance, including the creation of new remedial orders and administrative penalties for harmful collaborations.

targets used by the corpora- identifier, évaluer et gérer les risques liés au cli- tion to assess and manage relevant climate-relat- mat, ed risks and opportunities, and (D) les paramètres et les cibles utilisés par la so- (ii) explains ho...

AI summary The text discusses a corporation's approach to assessing and managing climate-related risks and opportunities, and how its governance, strategies, policies, and practices contribute to Canada's commitments under the Paris Agreement and its goal of achieving net-zero emissions by 2050.

sur la taxe d’accise, de la Loi de 2001 sur l’accise, de la Loi sur le droit pour la sécurité des passagers du 2021-2022-2023-2024 296 70-71 Eliz. II – 1-2 Cha. III 2026-2027 GRA U-17 Attachment 2 Page 315 of 546 Chapter 15: Fall Economic...

AI summary The text references several legislative acts including the Pollution Pricing Act, the Underused Housing Tax Act, and the Select Luxury Items Tax Act, as well as the Digital Services Tax Act and the Fall Economic Statement Implementation Act, 2023.

Preamble Préambule Whereas the Government of Canada recognizes the Attendu : importance of taking action to respond to the grow- que le gouvernement du Canada reconnaît l’impor- ing challenges threatening the health and sustainable tance d...

AI summary The preamble outlines the Government of Canada's commitment to addressing challenges facing freshwater ecosystems, fostering collaboration on freshwater issues, and protecting the quality of fresh water and the health of freshwater ecosystems through policy development and governance.