Topic:"Renewable Electricity Regulations" in M08929

.........................................................................12 Figure 2: NS Power hydro interval plan 10-year outlook (in 2018 dollar value). ........................................13 3 REDACTED (CONFIDENTIAL INFORMATION REMO...

AI summary NS Power commissioned METSCO to evaluate its Hydro Interval Plan (HIP) in response to the Board's mandate to achieve 40% renewable energy by 2020. METSCO assessed the HIP's alignment with modern asset management practices through interviews, documentation review, and analysis of asset registry completeness, life-cycle cost estimates, and investment frameworks.

ger-term intervention intervals. These detailed assessments can be expected to yield more realistic spending profiles than may be suggested through a macro-level planning exercise that HIP represents. While endorsing NS Power’s overall app...

AI summary The document discusses NS Power's hydro fleet asset management approach, noting that while it is generally endorsed, METSCO recommends enhancements to scoring methodologies. The context is a transition towards a more diverse and greener generation portfolio in Nova Scotia, with hydropower playing a key role in meeting renewable energy targets.

NSTD, GeoNOVA, Geogratis. 2. Projection: NAD83 UTM Zone 20N Legend: 2 Nictaux Hydro System 3 4 Wetland within 50 m of lake Wetland within 10 m 5 6 of river NSDNR Wetland Inventory 7 8 Bog Bog or Fen 9 Fen 0 4 8 12 16 Marsh Salt Marsh Kilom...

AI summary The text presents a map legend and projection details related to a geographical area, including references to the Nictaux Hydro System and wetland classifications managed by the Nova Scotia Department of Natural Resources.

2019 Ten-Year System Outlook NON-CONFIDENTIAL 1 6.0 ENVIRONMENTAL AND EMISSIONS REGULATORY REQUIREMENTS 2 3 6.1 Renewable Electricity Requirements 4 5 The Nova Scotia Renewable Electricity Standard (RES) includes a renewable energy 6 requi...

AI summary Nova Scotia has implemented renewable electricity requirements, including the RES and COMFIT programs, with NS Power meeting compliance targets from 2015 to 2018 and expected to meet them in 2019. Amendments in 2016 allowed COMFIT projects to count toward RES compliance and removed the 'must-run' requirement for a biomass facility.

le energy sources. 23 NS Power’s production tracking and forecast for the current year indicate that renewable 24 electricity compliance will also be achieved for the year 2019. 25 14 Effective December 18, 2015, the Electricity Act reduce...

AI summary NS Power has met renewable electricity compliance for 2019, and the 2019 Ten-Year System Outlook forecasts RES-eligible energy from the Maritime Link, including the Nova Scotia Block, with variations depending on the start date of Muskrat Falls energy flow.

8 9,429 RES (%) Requirement 40% 40% 40% 40% RES Requirement (GWh) 4,212 3,769 4,215 3,772 Renewable Energy Sources (GWh) NSPI Wind 264 264 264 264 Post 2001 IPP's 756 756 757 757 PH Biomass 290 341 290 341 COMFIT Wind Energy 534 534 534 53...

AI summary The document outlines the Renewable Energy Standard (RES) requirements and renewable energy sources contributing to the RES in Nova Scotia. It also references the Nova Scotia Greenhouse Gas Emissions Regulations, which set emission caps for the period 2010–2030.

1 58.1 kg of credit in 2018; NS Power is awaiting confirmation and acceptance of the 2018 2 annual report by Nova Scotia Environment (NSE). A limited amount of credits approved 3 by NSE (30 kg in 2020, 10 kg per year for subsequent years)...

AI summary NS Power is awaiting confirmation of its 2018 annual report by Nova Scotia Environment (NSE) for mercury emissions credits. A limited number of credits can be used for compliance from 2020 to 2029. The province is working on a new equivalency agreement with the federal government to transition from fossil fuels to clean energy while allowing some coal-fired plants to operate beyond 2030.

acity beyond 23 2030. The need for this new agreement was driven by amendments proposed by the 24 Federal Government to the Reduction of Carbon Dioxide Emissions from Coal-fired 25 Generation of Electricity Regulations.24 The amendments to...

AI summary The text discusses amendments to federal regulations on reducing carbon dioxide emissions from coal-fired electricity generation and the need for a new equivalency agreement. It also mentions the Renewal of the existing Equivalency Agreement and a Quantitative Analysis for the period up to 2040, which may form the basis of the second Equivalency Agreement.

and energy due to DSM will inherently include this component. SWEB Miscellaneous With the Federal Government Changes to legislation are within the Development [Legislation] announcing a tentative RFP for purview of the Nova Scotia governme...

AI summary The text discusses the potential for changes in legislation to facilitate energy offtake deals outside the current restrictive Renewable to Retail market, specifically in Cape Breton. It raises questions about whether a special program is being considered to allow the Federal Government to purchase energy at a fixed PPA price, and how NSPI and the UARB plan to address these issues within the Integrated Resource Planning (IRP) process.

ace outside of the extremely restrictive and cost prohibitive Renewable to Retail market? Is a special program being considered so that the Federal Government may buy this energy at a fixed PPA price? Also, is NSPI considering any other re...

AI summary Mason Baker is inquiring about the possibility of a special program allowing the Federal Government to purchase renewable energy at a fixed PPA price and whether NSPI is considering future renewable energy procurements or implementing legislation to allow generators to sell energy directly to load customers. A memorandum from Mark Robertson to Lindsay Musgrave discusses comments on the 2020 Integrated Resource Plan (IRP) Terms of Reference.

m the University of Washington IRP Update Appendix 1 Page 38 of 487 6 Attachment 4 - Pre-IRP Deliverables Page 7 of 34 Trends in the Electricity Industry IRP Update Appendix 1 Page 39 of 487 Attachment 4 - Pre-IRP Deliverables Page 8 of 34...

AI summary The document discusses global temperature trends and the declining prices of renewable energy. It references the 2016 Paris Agreement and highlights the need for significant reductions in greenhouse gas emissions to limit global warming to 2°C.

pdate Appendix 1 Page 245 of 487 Attachment 17 - Pre-IRP Deliverables Page 48 of 85 Planning Reserve Margin and Capacity Value Study metric (for example, 0.1 LOLE) and then uses a Newton method algorithm to add or remove firm capacity from...

AI summary The document describes a method for calculating the Planning Reserve Margin (PRM) using a reliability target metric and the Newton method algorithm. It also outlines the process for calculating Effective Load Carrying Capability (ELCC) for dispatch-limited resources by removing them and adding perfectly dispatchable resources until the original reliability level is restored.

4.6 Bates White E3’s capital cost estimate (at slide 48) for 4-hour duration battery storage may conflict with its own recommendations elsewhere. On slide 48, E3 recommends at $2,325/kW capital cost; however, in its 2018 WECC Survey, it re...

AI summary Bates White questions E3's capital cost estimate for 4-hour battery storage, noting a discrepancy between E3's $2,325/kW recommendation and its 2018 WECC Survey estimate of $1,500 USD/kW. E3 explains that its higher estimate considers local cost drivers and limited local energy storage experience, and that future costs follow Lazard 4.0's cost reduction trajectory.

C - Regional Integration • No New Emitting Net Zero 2050 from 2030 to 0.5Mt High Electrification in 2050 3.1 GHG targets Mid Elec. 2030 B - Distributed Resources • DSM Levels decline from 2025 Base DSM C - Regional Integration • No New Emi...

AI summary The document outlines key scenarios for the 2020 Integrated Resource Plan, including GHG reduction targets and electrification pathways. It mentions modeling tools like Plexos LT and RESOLVE, and discusses sensitivity analyses as part of the planning process.

3.3.3 Coal Phase-Out Regulations Until the federal coal phase-out policy changes announced in the fall of 2016,34 Nova Scotia Power's operation of, and planning for, its coal-fired generation units proceeded consistent with the provisions...

AI summary This section discusses the evolution of Nova Scotia Power's coal-fired generation operations in response to federal and provincial regulatory changes, including the Equivalency Agreement and the 2016 federal coal phase-out policy. A new agreement was reached in 2016 to allow for a transition to clean energy while permitting continued operation of coal plants beyond 2030.

3.3.4 Modeling of GHG Emissions and Coal Unit Retirements Nova Scotia Power, together with input from IRP participants, developed a set of modeling assumptions that combine the various regulations, targets, and other policy components desc...

AI summary Nova Scotia Power, with input from IRP participants, developed GHG emission trajectories and coal retirement scenarios aligned with provincial and federal carbon reduction goals. Two net-zero trajectories (2050 and 2045) and a comparator trajectory are modeled alongside two coal retirement timelines (2040 and 2030). These form the basis for IRP modeling scenarios.

1. Comparator - • Emission trajectory is consistent with the emission reduction from the existing equivalency agreement and Cap-and-Trade program, reaching 3.5 MT in 2045 - • Coal retirement schedule: all coal plants retire by 2040

AI summary The emission trajectory aligns with the existing equivalency agreement and Cap-and-Trade program, aiming for 3.5 MT in 2045. All coal plants are scheduled to retire by 2040.

2. Net-Zero 2050 - • Emission trajectory reaches a 1.4 MT GHG emission target in 2045 - • Coal retirement schedule: all coal plants retire by 2040

AI summary The document outlines a net-zero 2050 strategy for Nova Scotia, targeting a 1.4 million tonne GHG emission reduction by 2045 and the retirement of all coal plants by 2040.

3.3.6 Economy-Wide Decarbonization As the Province's primary electricity provider, Nova Scotia Power recognizes that it must play a critical role in enabling the transition to a low-carbon economy, including decarbonizing its generation fl...

AI summary Nova Scotia Power, as the primary electricity provider, commissioned E3 to analyze strategies for long-term, province-wide GHG reductions, focusing on electricity, buildings, and transportation. The analysis highlights the need for synergistic action across sectors, the importance of low-carbon electricity, and the necessity of additional measures beyond electrification to achieve deep decarbonization.

Figure 22. Electrification Scenario Details Low Electrification Mid Electrification High Electrification Sales of electric 25% sales of air source heat pumps for space heating by 2050 50% sales of heat pump space heaters and water heaters...

AI summary Figure 22 outlines electrification scenarios with varying levels of adoption of electric heat pumps, water heaters, and vehicles. The Mid and High Electrification scenarios show significantly higher growth in peak and annual energy load due to increased electrification. Demand Side Management (DSM) mitigates this growth, with the Low Electrification scenario showing a net decline in load.

Power will solicit Nova Scotia-based market information which will inform this as needed. Work with E1 to monitor ongoing operational unit costs of DSM in Nova Scotia. Track the ongoing development of the Nova Scotia Cap-and-Trade Program,...

AI summary The document outlines a roadmap for monitoring market information, GHG programs, electrification growth, and continuously refining the Integrated Resource Plan (IRP) process. It emphasizes the need to track the Cap-and-Trade Program, DSM levels, and electrification trends to inform long-term resource planning and regulatory proceedings.

34 P a g e © 2020 Energy and Environmental Economics, Inc. Nova Scotia Power IRP Final Report Appendix A Page 40 of 64 feedstock categories to be more representative of Canadian resources, such as by replacing corn with colder climate grai...

AI summary The document discusses the feasibility of using Canadian biomass feedstocks for biofuel production in Nova Scotia, noting that while technically possible, relying solely on domestic biomass may not align with global decarbonization goals. Alternative strategies, such as efficiency and electrification, are considered for deeper emissions reductions.

44 P a g e © 2020 Energy and Environmental Economics, Inc. Nova Scotia Power IRP Final Report Appendix A Page 50 of 64 Table 8. Electricity Sector Demand and Emissions 2005 2016 Reference Building Moderate High (2050) Electrification Elect...

AI summary The table presents electricity sector demand and emissions for Nova Scotia from 2005 to 2050 under different scenarios, showing reductions in both demand and emissions intensity. The data highlights the impact of electrification and other factors on future energy use and greenhouse gas emissions.

Table 11. Key Assumptions for Reference Scenario and Additional Scenarios Reference Very High Electrification High Biofuels GHG emissions 3.5 MMT CO2e 2.0 MMT CO2e 1.0 MMT CO2e budget for electricity generation Building energy None 50% of...

AI summary The table outlines key assumptions for three scenarios: Reference, Very High Electrification, and High Biofuels, detailing GHG emissions, building energy efficiency, sales of electric heat pump equipment, and zero-emission vehicle targets across different sectors and timeframes.

Page 30 Distributed Energy Resources (DERs Page 41 Planning Reserve Margin Page 46 Wind, Solar, Battery and Demand Response – Effective Page 50 Load Carrying Capacity (ELCC) DSM Page 58 Demand Response Page 62 Imports Page 70 Fuel Pricing...

AI summary The document outlines the 2020 Integrated Resource Plan (IRP) financial assumptions, including a weighted average cost of capital (WACC) of 6.62% pre-tax and 5.64% after-tax, an inflation rate of 2% based on the Conference Board of Canada CPI forecast, and revenue requirement profiles for supply-side options. The WACC was approved by the Utility and Review Board under matter M09498.

2020 IRP FINAL ASSUMPTIONS SET 14 Nova Scotia Power IRP Final Report Appendix B Page 16 of 112 2020 IRP: ENVIRONMENTAL ASSUMPTIONS (EXISTING & DEFINED POLICY) MARCH 11, 2020 2020 IRP FINAL ASSUMPTIONS SET 15 Nova Scotia Power IRP Final Rep...

AI summary The 2020 Integrated Resource Plan (IRP) outlines environmental assumptions, including applicable legislation such as the Reduction of Carbon Dioxide Emissions from Coal-Fired Generation of Electricity Regulations and the Clean Fuel Standard, which require coal units to meet GHG emissions intensity targets or retire.

ion Hard Caps 50 45 40 35 30 25 Hg Limit 20 15 10 5 0 Air Quality Regulations outline requirements for mercury diversion program and stipulates NS Power can use credits for compliance from 2020 to 2029. The hard caps for 2020 to 2029 assum...

AI summary The text discusses Nova Scotia Power's assumptions related to mercury diversion programs, renewable energy regulations requiring 40% renewable energy by 2020, and the impact of carbon caps and net-zero policies on renewable energy outcomes. It also references the 2020 Integrated Resource Plan (IRP) and its assumptions.

tion of constraints on future Qualitative assessment of timing of decisions arising from the selection of a particular investments path) Table 6 - Resource Plan Evaluation Criteria While the primary metric of plan value will continue to be...

AI summary The 2020 Integrated Resource Plan (IRP) outlines policy drivers such as provincial clean energy goals, greenhouse gas emissions reduction, and federal coal unit closure timelines. These drivers form the basis for various scenarios, including Net Zero 2050 and Accelerated Net Zero 2045, with different levels of electrification and coal closure dates.

equacy & PRM 2021-2030 (%) 1.4% 0.8% • Reliability Tie: 2034 2021-2045 (%) 1.0% 0.8% • Regional Integration: 2040 Total CO2 Emissions 2021-2030 (MT) 38.4 40.7 Plan Robustness & Flexibility Total CO2 Emissions 2031-2045 (MT) 23.7 24.3 • No...

AI summary The text provides data on CO2 emissions and reliability tie timelines, as well as a comparison of new installed capacity in 2045. It references the Integrated Resource Plan (IRP) and mentions Regional Integration and Net Zero 2045 goals.

Nova Scotia Power IRP Final Report Appendix H Page 32 of 321 APPLICABLE LEGISLATION • Reduction of Carbon Dioxide Emissions from Coal-Fired Generation of Electricity Regulations • Regulations Limiting Carbon Dioxide Emissions from Natural...

AI summary The document outlines applicable legislation related to carbon emissions reduction, including regulations for coal and natural gas-fired electricity generation, as well as the Clean Fuel Standard and Cap and Trade Regulations. It also references the 2020 Integrated Resource Plan (IRP) assumptions and upcoming stakeholder discussions.

Appendix H Page 38 of 321 REGULATIONS • Provincial regulations that outline framework and requirements for cap and trade program. • Stipulate free allocations for NS Power GHG emissions • Meets the Federal Greenhouse Gas Pollution Pricing...

AI summary The document outlines provincial regulations related to cap and trade, including free GHG allowances for NS Power and compliance with federal requirements. It also discusses the Clean Fuel Standard, its exemptions, and expected implementation timelines, with NSP considering high fuel price sensitivities for modeling.

ONS • Provincial regulations that require 40% renewable energy by 2020. • Stipulates that no more than 350,000 dry tonnes of primary forest biomass may be used annually to meet the standard. • NS Power does not anticipate future specific r...

AI summary The document outlines provincial regulations requiring 40% renewable energy by 2020, with a cap on primary forest biomass usage. Nova Scotia Power (NSP) does not expect future specific renewable energy standards, aiming instead to meet net-zero carbon emissions goals. The 2020 Integrated Resource Plan (IRP) assumptions include cost data from the E3 Resource Options Study and updates from late 2019 datasets.

rgy storage technology for Nova Scotia Power has been investigated before by SNC-Lavalin [44]. Figure 21. Hybrid thermal-compressed air energy storage (HT-CAES) [Adopted from Ref. [43]] Digby Submissions February 14, 2020 Page 39 of 62 Nov...

AI summary The document discusses the investigation of energy storage technologies for Nova Scotia Power, focusing on hybrid thermal-compressed air energy storage (HT-CAES) systems. It outlines assumptions and recommendations for HT-CAES systems in different locations, highlighting their impact on tidal energy production.

the District of Digby and Nova Scotia. For Digby Gut reduction in GHG emissions is 692- 1079 tonne/year. Table 10. Environmental and economical benefits of Tidal – HT-CAES system Digby Submissions February 14, 2020 Page 40 of 62 Nova Scoti...

AI summary The document discusses the environmental and economic benefits of implementing a Tidal – HT-CAES system in the Municipality of the District of Digby, including GHG emission reductions and revenue generation for the municipality and Nova Scotia. It also highlights socio-economic benefits such as job creation from integrating renewables with energy storage into a microgrid.

riod. Additionally, the Federal Government’s commitment to exceed the federal emissions reduction target of 30% below 2005 by 2030 is likely to drive continued reductions regionally across Canada. The ambition of potential scenarios from H...

AI summary The text discusses the potential for increased decarbonization of Nova Scotia's electricity system due to federal and municipal climate targets, including a 30% emissions reduction by 2030 and the HaliFACT 2050 plan. It also highlights the possibility of future renewable energy standards (RES) in Nova Scotia and the importance of considering the federal goal of 100% renewable electricity for government buildings by 2025.

blished policy goal to phase out all coal- fired electricity generation across Canada by 2030, as a key emissions reduction pillar of the Pan-Canadian Framework on Clean Growth and Climate Change. The Federal Government finalized its amend...

AI summary The text discusses the federal policy to phase out coal-fired electricity generation in Canada by 2030, highlighting its environmental and health benefits. It also covers the renewal of the Canada-Nova Scotia Equivalency Agreement on greenhouse gas emissions from electricity producers, which was finalized in 2019 and includes analysis of emissions pathways up to 2040.

1 EfficiencyOne requests clarification on the following questions regarding NS Power’s 2 environmental assumptions: 3 • Does NS Power expect to sell excess GHG credits resulting from lower emissions? If yes, 4 how will the cost of carbon (...

AI summary EfficiencyOne seeks clarification from NS Power on environmental assumptions, including the handling of GHG credits, CO2 emission caps, and the calculation of DSM avoided costs in the Integrated Resource Plan (IRP). The discussion focuses on how environmental compliance costs and revenue from carbon credits are incorporated into the modeling process.

reduction and GHG trajectories more stringent than current regulatory requirements. 3. EAC At least one scenario should examine portfolio where all NS Power has included a key driver on coal closure dates Environmental units retired by end...

AI summary The text discusses environmental assumptions, including coal closure dates and GHG reduction targets. It also mentions the incorporation of cap and trade market revenue into emissions modeling and the consideration of low-cost renewable energy scenarios for future reports.

2 Nova Scotia Power IRP Final Report Appendix H Page 314 of 321 KEY POLICY DRIVERS GREENHOUSE GAS EMISSIONS BY ELECTRICITY SECTOR CO2 2030 CO2 2040 CO2 2045 CO2 2050 Comparator GHG Case 4.5 3.5 2.8 2.1 Reductions consistent with equivalenc...

AI summary The text presents various greenhouse gas (GHG) emission reduction scenarios for the electricity sector in Nova Scotia, including comparator GHG cases, Net Zero 2050 targets, and accelerated net zero targets, with corresponding CO2 levels and percentage reductions from 2005 levels.

Electrification Scenarios and modeling plan Distributed Resources Demand Side Management • Written responses to over 160 individual Regional Integration questions and comments on these topics 2 0 2 0 I R P I N T E R I M M O D E L I N G U P...

AI summary Nova Scotia Power has developed three greenhouse gas scenarios, including Net Zero 2050 and Accelerated Net Zero 2045, which align with the Sustainable Development Goals Act. These scenarios consider potential carbon policies and include mandatory coal unit retirements by 2030 or 2040.

province supply and capacity resources demand resources outside of Nova Scotia 2 0 2 0 I R P I N T E R I M M O D E L I N G U P D AT E 6 Nova Scotia Power IRP Final Report Appendix I Page 9 of 44 KEY MODELING SCENARIOS • NS Power has identi...

AI summary Nova Scotia Power is evaluating key modeling scenarios for its Integrated Resource Plan (IRP), including a Comparator scenario with minimal CO2 reductions, a Net Zero 2050 scenario compliant with the Sustainable Development Goals Act (SDGA), and an Accelerated Net Zero 2045 scenario with more aggressive GHG reduction assumptions.

discussion, we received some assurance that NS Power will be sensitive to this point during the evaluation. We request that this issue be explicitly tracked and documented as the evaluation proceeds. 4. ELCC for other units. During discuss...

AI summary The discussion highlights concerns regarding NS Power's handling of ELCC values and the use of DAFOR in modeling. There is a request for NS Power to share assumptions and use a longer averaging period for DAFOR to ensure realistic modeling and avoid unnecessary capacity acquisitions.

VIA EMAIL May 14, 2020 Linda Lefler Nova Scotia Power Dear Ms. Lefler, Re: M08929 -April 28th , 2020 Stakeholder Session-SBA Comments The Small Business Advocate (SBA) participated in the online IRP Stakeholder meeting on April 28th, 2020...

AI summary The Small Business Advocate (SBA) provided feedback on the Integrated Resource Plan (IRP) Stakeholder meeting, emphasizing the need for a Least Cost Portfolio under the Comparator Scenario and questioning the absence of scenarios without Regional Integration. The SBA also requested clarification on the costs and performance of distributed generation.

Power IRP Final Report Appendix J Page 118 of 245 Comments on modeling of wind and hydro in the IRP Page 5 of 7 Figure 1: Wind Resources Capacity Factor Histogram The IRP relies on the ELCC for two related purposes, valuing the capacity pr...

AI summary The document discusses the modeling of wind and hydro resources in the Integrated Resource Plan (IRP), focusing on the Effective Load-Carrying Capability (ELCC) of wind resources. It highlights discrepancies between the E3 Capacity Value study and the current IRP assumptions, arguing that existing wind resources should have a higher ELCC than incremental resources.

Compressed Air Hydrostor-01 We believe that A-CAES’s capital costs were inaccurately NS Power’s Final Assumptions provided ranges for Storage modelled. We believe that this played a decisive factor in it costs for storage options which may...

AI summary The text discusses concerns regarding the inaccurate modelling of capital costs for A-CAES (Advanced Compressed Air Energy Storage) technology by NS Power, which may have influenced the selection of preferred resources. Hydrostor argues that a more accurate comparison to lithium-ion systems would have been made using different assumptions for a 500 MW facility with a 4-hour duration.

Natural Gas Quest-03 The narrative suggests a CCGT solution appears in several As part of NS Power’s draft Action Plan, it has runs. We recommend there be a fuller discussion of the costs proposed to develop a plan for the redevelopment En...

AI summary The text discusses the potential for combined cycle gas turbine (CCGT) solutions in Nova Scotia's energy system, emphasizing the need for a full discussion of costs and benefits. It highlights the importance of fuel flexibility, local natural gas storage, and reliability risks associated with reliance on a single pipeline. CCGT investment is suggested as a priority for achieving a net-zero electricity system by 2050.

Renewable SBA-03 The Company assumes onshore wind is the primary Onshore wind has been economically selected in all Resource renewable resource as part of the future portfolio. Other IRP resource plans as a low-cost local source of Small B...

AI summary The document discusses the Company's assumption that onshore wind is the primary renewable resource in its future portfolio, contrasting it with offshore wind's higher costs and lower capacity factors. It questions whether the IRP adequately considered the benefits of production timing diversity and whether planning decisions would be affected if offshore wind costs decline significantly.

14 Scenario 2.0.C. Nova Scotia Power IRP Final Report Appendix K Page 17 of 264 Detailed 2045 RECAP results  E3 modeled NSP’s 2045 PLEXOS installed capacity and load in RECAP for 2.0.C, generating a UCAP target of 8%  RECAP modeled ELCCs...

AI summary The text presents detailed 2045 RECAP results for Nova Scotia Power's Integrated Resource Plan (IRP), including modeled installed capacity, load, and reserve requirements. The UCAP target is set at 8%, with LOLE achieved at 0.06 days per year, below the target of 0.1 days per year.

16 Scenario 3.2.C. Nova Scotia Power IRP Final Report Appendix K Page 19 of 264 Detailed 2045 RECAP results  E3 modeled NSP’s 2045 PLEXOS installed capacity and load in RECAP for 3.2.C, generating a UCAP target of 9%  RECAP modeled ELCCs...

AI summary Scenario 3.2.C presents detailed 2045 RECAP results for Nova Scotia Power's Integrated Resource Plan, including modeled installed capacity, load, and reserve requirements, with a UCAP target of 9% and LOLE achieved at 0.06 days per year.

25-yr NPVRR w/ End Effects ($MM) $16,888 $16,609 • NPVRR is increased relative to Base DSM case for all three time periods Essential Grid Services 10-yr NPVRR ($MM) $7,199 $6,831 • No significant change relative to 2.0A Resource Adequacy &...

AI summary The text presents financial and environmental metrics related to a demand-side management (DSM) plan, showing changes in net present value of resource requirements (NPVRR) and carbon dioxide (CO2) emissions over different time periods. It also references the Integrated Resource Plan (IRP) and mentions a comparison of new installed capacity by 2045.

G R AT I O N New Installed Capacity Comparison (2045) 2.1C.DSM-2 MW 36 Nova Scotia Power IRP Final Report Appendix K Page 145 of 264 2.1C.DSM -2 (MID DSM) M I D E L E C . / M I D D S M / N E T Z E R O 2 0 5 0 / R E G I O N A L I N T E G R...

AI summary The document presents a comparison of new installed capacity for the year 2045, focusing on the MID DSM scenario as part of the Nova Scotia Power Integrated Resource Plan (IRP) Final Report. It includes scenario metrics and evaluation data relevant to demand-side management and regional integration efforts.

2 (MID DSM) M I D E L E C . / M I D D S M / N E T Z E R O 2 0 5 0 / R E G I O N A L I N T E G R AT I O N Scenario Metrics & Evaluation Sensitivity Base (2.1C) 25-yr NPVRR ($MM) $13,468 $13,141 General Notes • 1 coal unit is retired earlier...

AI summary The text presents scenario metrics and evaluation for the Mid DSM case under the Net Zero 2050 initiative. It compares the 25-yr and 10-yr NPVRR values between the Base (2.1C) and Mid DSM cases, noting differences in resource retirement, capacity replacement, and reliability tie timelines.

(MID DSM) H I G H E L E C . / M I D D S M / N E T Z E R O 2 0 5 0 / R E G I O N A L I N T E G R AT I O N Scenario Metrics & Evaluation Sensitivity Base (2.2C) 25-yr NPVRR ($MM) $14,901 $15,380 General Notes • Under the High Electrification...

AI summary The text presents scenario metrics and evaluation results under the High Electrification / Mid DSM sensitivity, comparing the 25-yr and 10-yr NPVRR values with the Base (2.2C) case. Key findings include earlier Regional Interconnection construction, one additional NGCC unit, and a net capacity increase of 47MW in the Mid DSM case, leading to reduced NPVRR compared to the Max DSM case.

$7,871 $8,201 to the change in DSM level • NPVRR is decreased relative to 2.2C Max DSM case for all three time periods Essential Grid Services Average Annual Partial Rate Impact • No significant change from 2.2C 2021-2030 (%) 0.8% 1.3% 202...

AI summary The text discusses changes in DSM levels and their impact on NPVRR, as well as CO2 emissions across different time periods. It also references reliability tie and regional integration plans, and compares new installed capacity in 2045 under a low DSM scenario.

4 (LOW DSM) L O W E L E C . / L O W D S M / N E T Z E R O 2 0 5 0 / R E G I O N A L I N T E G R AT I O N Scenario Metrics & Evaluation Sensitivity Base (2.0C) 25-yr NPVRR ($MM) $12,206 $12,234 General Notes • Similar resource plan overall...

AI summary The text presents scenario metrics comparing a Low DSM sensitivity scenario to a Base DSM scenario under the 2.0C target. It highlights differences in 25-year and 10-year NPVRR figures, noting a delayed coal retirement, increased CO2 emissions in the 2030s, and the addition of 100MW of combustion turbine resources by 2045.

44 Nova Scotia Power IRP Final Report Appendix K Page 153 of 264 2.0C.DSM -6 (MAX DSM) L O W E L E C . / M A X D S M / N E T Z E R O 2 0 5 0 / R E G I O N A L I N T E G R AT I O N Scenario Metrics & Evaluation Sensitivity Base (2.0C) 25-yr...

AI summary The document discusses the impact of increased Demand Side Management (DSM) and Net Zero 2050 goals on the Integrated Resource Plan (IRP) of Nova Scotia Power, highlighting changes in reliability tie timelines, avoided gas generation capacity, and increased Net Present Value of Resource Requirements (NPVRR).

44.5 Plan Robustness & Flexibility Total CO2 Emissions 2031-2045 (MT) 36.2 33.2 • No change relative to 2.0A Total CO2 Emissions 2021-2045 (MT) 76.8 77.7 61 Nova Scotia Power IRP Final Report Appendix K Page 170 of 264 2.1C.IMPORT -3 (LIMI...

AI summary The text presents emission reduction targets and installed capacity comparisons for Nova Scotia Power's Integrated Resource Plan (IRP) under the 2.1C.IMPORT-3 scenario, focusing on limited reliability tie inertia and regional integration.

also notes that an increase of this size in natural gas consumption in the region requires long-term natural gas transportation commitment planning, which should also be reflected in the Action Plan. Electrification and Associated Transmis...

AI summary The text discusses the need for long-term natural gas transportation planning due to increased consumption, significant investments in transmission and distribution infrastructure driven by electrification and environmental targets, and the role of natural gas in supporting the transition to low carbon fuels. It also references ongoing DSM Matter No. M09471 regarding avoided T&D costs.

s of air pollution on human health; the latest air quality research suggests that in the US, the health benefits alone are enough to justify an immediate transition away from fossil fuels. 3. The rate impact comparison also illustrates the...

AI summary The text discusses the health benefits of transitioning from fossil fuels and highlights the inequitable economic impacts of high DER adoption, noting that wealthier individuals may benefit more from reduced energy costs, while the burden falls disproportionately on less affluent Nova Scotians. It also supports the need for steep carbon emission reductions in line with Nova Scotia’s Sustainable Development Goals Act.

emissions and all other resource options in the optimization process. NS Power notes that in the few cases where solar appears, it is selected in the late years of the 3.X Accelerated Net-Zero 2045 scenarios when emissions are most constra...

AI summary NS Power highlights that solar energy is primarily selected in the late years of the 3.X Accelerated Net-Zero 2045 scenarios when emissions are most constrained, indicating that stringent GHG caps drive solar additions in the model.

reductions under very limited GHG caps are a primary driver of solar additions in the model.

AI summary The text indicates that reductions in GHG emissions under strict caps are a significant factor influencing the addition of solar energy in the model.

Roadmap/Action Envigour From this, we suggest that the final Roadmap and Action Plan reference the need for a The Roadmap will address the longer-term needs for process updates; the action plan is a near-term Plan (Quest / regular and incl...

AI summary The text discusses the need for a Roadmap and Action Plan to update processes related to technology, business models, and policies impacting the Integrated Resource Plan (IRP). It also highlights the continued reliance on natural gas for grid reliability and environmental goals, as well as investments in diesel combined cycle (CT) capacity to address reliability issues.

Development Goals Act (“SDGA”). Significant investment in T&D is also expected to arise electrification from the current “Base” level. An observed transition will trigger additional work to from the large potential increases in peak energy...

AI summary The text discusses the need for significant investment in transmission and distribution (T&D) infrastructure due to increased peak energy demand from electrification. It also highlights ongoing efforts to determine avoided T&D costs from demand-side management (DSM) and mentions the role of electrification in reducing carbon emissions, although it notes that electrification alone may not be sufficient to meet the SDGA net-zero 2050 target.

rgy storage systems. CanREA believes that securing more market-based pricing information for these other clean energy resources would be valuable given the pricing trends for solar and energy storage. Furthermore, to the degree that this m...

AI summary CanREA suggests that market-based pricing data for solar and energy storage could influence NS Power's resource mix, especially if costs are lower than assumed in the IRP. CanREA also commented on wind's ability to provide frequency response services, reducing the need for fossil fuel inertia, though NS Power made only a minor adjustment to its wind modeling.

Nova Scotia Power IRP Final Report Appendix L Page 22 of 125 Comments on Draft IRP Report Page 17 of 21 Sustaining capital cost for Point Aconi We previously commented on an inconsistency between the capital cost profile assumptions for Po...

AI summary The text discusses concerns about the capital cost assumptions for Point Aconi and the need to account for potential future mine expansion costs. It also highlights the value of CO2 emissions reductions and recommends incorporating a CO2 price into future IRP modeling for more accurate evaluations.

most polluting energy utility in Canada. This is an opportunity for all key stakeholders involved in the IRP 2020 to decarbonize NSPI and make it one of the least polluting energy utilities in Canada. Given the declarations of climate emer...

AI summary The Ecology Action Centre (EAC) argues that the Integrated Resource Plan (IRP) 2020 does not go far enough in planning for emissions reductions in the electricity sector, given the climate emergency and various government commitments. The EAC calls for increased ambition in the IRP to align with future targets and ensure sustainability, affordability, and reliability.

tel. 902.429.2202 2705 Fern Lane, fax. 902.405.3716 Halifax, NS, B3K 4L3 The EAC presents the following comments & recommendations in response to the IRP 2020 Draft Report: Nova Scotia’s Sustainable Development Goals Act is a significant m...

AI summary The EAC supports the IRP 2020 Draft Report's alignment with Nova Scotia’s Sustainable Development Goals Act but expresses concern that no zero-emission scenarios were studied, weakening confidence in the plan's adequacy and compliance with future sector-specific targets.

NPVRR with EE for all cases, based on the level of DSM included. Any re-ranking from the aggregate effect of carbon prices and avoided T&D should be reflected in the final report if present.

AI summary The text discusses the inclusion of energy efficiency (EE) in the Net Present Value of Renewable Resources (NPVRR) across all cases, emphasizing the need to reflect any re-ranking caused by carbon prices and avoided transmission and distribution (T&D) costs in the final report.

ntry into electrification activities could be relatively rapid. Efficiency Vermont has followed this path, and now offers electrification measures. In the Action Plan section of the report, it states: Initiate an Electrification Strategy t...

AI summary The document discusses the need for an electrification strategy in Nova Scotia, emphasizing stakeholder engagement and rate stability. It also highlights the economic benefits of demand response as shown in the 2020 IRP, suggesting a target of 75 MW of capacity by 2025.

ng horizon (adjusted for end-effects). NS Power will continue to use this primary metric to guide resource planning, and will also assess others of increasing importance, including: - Magnitude and timing of electricity rate effects; - Rel...

AI summary NS Power will use a primary metric for resource planning and evaluate secondary metrics such as electricity rate effects, reliability, grid services, plan robustness, GHG emissions, and flexibility. These evaluation criteria have evolved since the Terms of Reference were presented.

ell considered by stakeholders. The Application of Rate Effects Despite rate effects forming a secondary evaluation metric in the whole of the IRP, the Draft Report has used of the metric to: 1. Demonstrate that increasing levels of electr...

AI summary The text critiques the use of rate effects as a secondary evaluation metric in the Integrated Resource Plan (IRP), arguing that it has been used inconsistently, particularly in relation to electrification and demand-side management (DSM). It highlights concerns about the lack of exploration of various factors affecting rate trajectories and calls for revisions to the Action Plan.

negative (avoided) cost against the original NPVRR w/EE of the 2.0C sensitivity cases originally studied. The right-most column shows the adjusted total NPVRR w/EE after considering the avoided costs. The aggregate effects of carbon pricin...

AI summary The analysis highlights risks associated with the Integrated Resource Plan (IRP) due to heavy reliance on market-based imports and untested natural gas import methods. A sensitivity analysis shows that higher natural gas and import prices could increase revenue requirements by 8.5%, making the regional integration plan less economical compared to local resource development.

itage Gas acknowledges that renewable electrification in certain sectors of the economy will be important for decarbonization in Nova Scotia. However, electrification unaccompanied with other clean 1 Nova Scotia Power Inc. 2020 Integrated...

AI summary The text discusses the importance of renewable electrification and hydrogen in achieving Nova Scotia's Net-Zero 2050 target. It highlights the role of hydrogen in sectors difficult to electrify and mentions studies supporting hydrogen's potential in Atlantic Canada. Natural gas and renewable natural gas are also noted as part of the transition strategy.

nd renewable natural gas (“RNG”) into natural gas infrastructure will further support the province in reaching the net-zero emissions target set out in the SDGA. Integrated Energy System Efficiencies While natural gas underpins the transit...

AI summary The text discusses the integration of renewable natural gas (RNG) and hydrogen into natural gas infrastructure to support Nova Scotia's net-zero emissions target. It highlights the role of an integrated energy system in reducing greenhouse gases, improving energy resiliency, and promoting local economic growth.

ictions and promote local economic growth and energy independence, further improve energy resiliency and flexibility, effectively manage peak demand, and lower costs to Nova Scotian energy ratepayers. NSPI has noted its view that “electrif...

AI summary The text discusses the importance of electrification in supporting provincial decarbonization goals and the need for an integrated energy system. Heritage Gas emphasizes the value of NSPI's evergreen IRP process and advocates for competitive alternatives to electricity to achieve cost-effective and sustainable energy solutions.

recognize the effort by NSPI to continue an open process, and look forward to the consideration of these comments reflected in the final IRP submission to the Board. Regards, HERITAGE GAS LIMITED John Hawkins Cc: M08929 Participants Nova S...

AI summary Heritage Gas Limited acknowledges NSPI's efforts in the IRP process and offers feedback on the draft Integrated Resource Plan, emphasizing the importance of collaboration for the success of HalifACT and grid decarbonization.

lifACT. Therefore, continued and meaningful collaboration is key to the successful implementation of each plan. In reviewing the draft report, we offer the following questions for your consideration: 1. The E3 and IRP scenarios were develo...

AI summary The document raises questions regarding the alignment of the Integrated Resource Plan (IRP) with the HalifACT and SDGA targets, particularly concerning distributed energy resources (DER), electrification scenarios, and carbon intensity. It seeks clarification on whether the IRP needs updating and how HalifACT can achieve its goals with or without high DER deployment.

ons) to ensure system reliability during “stressed” system states, as an alternative to imposing additional capital costs. Such approaches are widely deployed on other power systems.  Capital costs of Wind: Tracking of the installed costs...

AI summary The text discusses alternative approaches to ensuring system reliability without additional capital costs and highlights the importance of tracking capital costs of wind, solar, and energy storage. It also emphasizes the need to consider the monetary value of emissions reduction through the Nova Scotia Cap-and-Trade Program.

cting role of 2020-11-13; p.1/5 other energy providers: -‘Heritage Gas acknowledges that renewable electrification in certain sectors of the economy will be important for decarbonization in Nova Scotia. However, electrification unaccompani...

AI summary Heritage Gas acknowledges the importance of renewable electrification for decarbonization in Nova Scotia but emphasizes that it must be accompanied by other clean energy options to meet the SDGA Net-Zero 2050 target. The company also highlights the need for competitive energy alternatives and collaboration among stakeholders to achieve cost-effective and sustainable energy solutions.

whole can be captured in a total resource cost test. While this is clearly beyond the scope of the IRP, we encourage NS Power to acknowledge – perhaps with an illustrative graph – that these benefits exist, to avoid creating the impression...

AI summary The text discusses the importance of acknowledging the benefits of electrification beyond rate considerations, suggesting the use of a definition and principles from the Regulatory Assistance Project (RAP). It also mentions the potential role of EfficiencyOne in administering electrification initiatives.

runs. Refer specifically to sections 4.2.2, 4.4.3, 6.1.2, 6.5.1, and 7.1.1 of the Report. 2018 FAM Audit Recommendation IX-1 Bates White Complete The ELCC of existing and new wind was determined as part of the Pre-IRP work using LOLE studi...

AI summary The document discusses the determination of effective load carrying capability (ELCC) for existing and new wind resources in Nova Scotia, referencing a 2018 FAM Audit and the use of E3’s RECAP model. It also mentions the NS Power IRP Final Report and its appendix.

Responses and Recommendations Summarized Overarching Theme IRP Response Relevance Recommendations IRP Presentation Inadequate presentation Results in misleading information Work with key stakeholders (including neighbouring provinces) to c...

AI summary The document highlights concerns with the Integrated Resource Plan (IRP) regarding inadequate presentation, weak targets, and lack of a social lens. It calls for collaboration with stakeholders, revised climate strategies, and the inclusion of social equity considerations, such as subsidized rates for those in energy poverty.

Electrificatio n Finding (1b) Action Plan (2) (2a) Roadmap (7) (8) Electrification futures are uncertain and have a significant impacton resource portfolio optimality. We wish, here, to underscore the level of uncertainty associated with e...

AI summary The text discusses the uncertainty surrounding electrification in Nova Scotia's heating and transportation sectors, emphasizing the impact on resource portfolio optimality. It highlights the influence of provincial policy, rate design, and the need for NSPI to adapt its investment strategies as electrification data becomes available.