N-8NSPI Letter update on IRP process
14 passages
61 Attachment 5 - Pre-IRP Deliverables Page 63 of 89 CAISO Reliability Metric(s) and Standard Reserve Margin Accounting – Resource ▪ No explicit reliability standard ▪ Monthly Net Qualifying Capacity (NQC) to calculate total available capa...
AI summary The document outlines reliability metrics and reserve margin accounting practices for CAISO and AESO. CAISO uses the Resource Adequacy (RA) program with a 15% Planning Reserve Margin (PRM) and calculates renewable energy capacity using the SERVM model and RECAP. AESO has a reliability standard of 800 MWh/year Expected Unserved Energy (EUE) but does not specify reserve margin accounting for resources.
opriate level of resource adequacy so that it can continue to provide reliable and affordable power to its customers. Specifically, this study provides an update of the following planning assumptions: « Planning Reserve Margin (PRM) o The...
AI summary This document discusses the importance of resource adequacy in ensuring reliable and affordable power service. It outlines planning assumptions, including the Planning Reserve Margin (PRM) and the Effective Load Carrying Capability (ELCC) of dispatch-limited resources such as wind, solar, battery storage, and demand response.
Executive Summary of resource adequacy is an important goal for utilities seeking to provide both reliable and affordable service to their customers. NSPI currently plans to meet a 1-day-in-10-year reliability target, meaning that not more...
AI summary The document discusses resource adequacy planning for Nova Scotia Power Inc. (NSPI), emphasizing the importance of meeting a 1-day-in-10-year reliability target. The study uses E3’s Renewable Energy Capacity Planning (RECAP) model to assess the system's resource adequacy, aligning with industry best practices and incorporating dispatch-limited resources such as wind, solar, and demand response.
ng reserves that should be held above the forecasted annual peak load, calculated as a % of annual peak « Effective Load Carrying Capability (ELCC) of dispatch-limited resources o The expected contribution toward the planning reserve requi...
AI summary The text discusses resource adequacy and reliability in electric power systems, focusing on the importance of maintaining an appropriate planning reserve margin and the factors that influence system reliability, including load characteristics and resource availability.
nt production of renewable resources. Ensuring an appropriate level of resource adequacy is an important goal for utilities seeking to provide both reliable and affordable service to their customers. The reliability of a utility can be mea...
AI summary The document discusses the importance of resource adequacy for utilities in providing reliable and affordable service. It explains how reliability is measured through metrics like loss of load events and highlights that there is no single standard for resource adequacy across North America, with various entities setting their own conventions.
the application of sophisticated modeling tools to determine both the appropriate PRM and the contribution of each resource towards resource adequacy. 1.4 Effective Load Carrying Capability (ELCC) Effective load carrying capability (ELCC)...
AI summary The document discusses the use of Effective Load Carrying Capability (ELCC) as a measure of how non-firm resources like wind, solar, and demand response contribute to the Planning Reserve Margin (PRM) and system reliability. ELCC is described as a rigorous but complex metric that requires significant data and modeling.
rately falls to reflect the lower value of this incremental reliability contribution. Table 2 contains a high-level summary of the target reliability metric for each of the evaluated jurisdictions. Table 2: Jurisdictional Summary of Resour...
AI summary The document discusses resource adequacy planning across various jurisdictions, highlighting different reliability metrics such as EUE, PRM, LOLE, and others. Nova Scotia's target is a 20% PRM to achieve a 0.1 LOLE standard.
years. PacifiCorp is able to maintain a PRM on the low end of the most similar utilities due to their significant interconnection ties with other entities in the Pacific Northwest. 1.5.11 AUSTRALIA The Australian Energy Market Operator (AE...
AI summary The text discusses resource adequacy practices in various regions, including the use of reliability targets and reserve margin metrics. It highlights differences in approaches, such as Australia's EUE metric and Great Britain's LOLH standard, and notes the absence of explicit PRM requirements in some jurisdictions. The section concludes with a heading indicating a focus on Nova Scotia's resource adequacy.
ity to account for forced outages and renewable units are subject to de-rating factors to account for their limited availability (Wind = 10.3% and Solar = 5.5%) 1.6 Resource Adequacy in Nova Scotia Nova Scotia is a member of the Northeast...
AI summary Nova Scotia adheres to resource adequacy standards set by the NPCC and NERC, requiring a 0.1 days/year LOLE standard. NSPI confirms that a 20% PRM is necessary to meet this standard, as demonstrated in a 2014 study.
extensively to test the resource adequacy of electric systems across the North American continent, including California, Hawaii, Canada, the Pacific Northwest, the Upper Midwest, Texas, and Florida. RECAP was developed specifically to addr...
AI summary The text discusses the use of RECAP, a tool for evaluating resource adequacy in electric systems across North America, and mentions its application in planning reserve margin and capacity value studies. RECAP incorporates dispatch-limited resources and generates reliability metrics for utility planning.
Steps In order to perform each step in the model listed above, RECAP requires data on the characteristics of loads and the resources available to serve those loads which are listed in Table 4. © 2018 Energy and Environmental Economics, Inc...
AI summary The document outlines the data requirements for RECAP, which is used in the Planning Reserve Margin and Capacity Value Study. It mentions that data on load characteristics and available resources are needed to perform the steps in the model.
erables Page 44 of 85 Planning Reserve Margin and Capacity Value Study Figure 14: RECAP Sample Hydro Dispatch During Winter Week 2.2.4 DISPATCHABLE GENERATION AVAILABILITY AND TRANSMISSION RECAP creates a time series of available dispatcha...
AI summary The document discusses the use of the RECAP model to simulate dispatchable generation and transmission availability by incorporating forced outages and maintenance schedules. It illustrates the aggregation of generator availability over time, showing how different generators contribute to overall system capacity.
Party Question/Comment & Response 4.1 Bates White We requested that E3 provide a detailed breakdown of its cost estimates for each new technology that were presented generally on slides 8 and 9 (capital cost assumptions & Pro-Forma Financi...
AI summary Bates White requested detailed cost estimates from E3 for new technologies in the Integrated Resource Plan (IRP). E3 responded that slides 18–75 include capital, O&M, and financial assumptions for levelized cost calculations, covering resource-specific data like capacity factors and financing lifetimes.
Consistent with the scenario screening discussed above, additional scenarios may be tested using E3’s RESOLVE model to assess if they should be included as a key modeling run. SENSITIVITY ANALYSES Following completion of the portfolio stud...
AI summary NS Power will use E3’s RESOLVE model to test additional scenarios and conduct sensitivity analyses as part of the Integrated Resource Plan (IRP) modeling phase. Sensitivities include renewable energy policy changes, capital costs, fuel pricing, and system resiliency, with some requiring reoptimization of capacity expansion.
N-92020 Integrated Resource Plan
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r, VT: Regulatory Assistance Project. Farnsworth, D., Shipley, J., Lazar, J., and Seidman, N. (2018, June). Beneficial electrification: Ensuring electrification in the public interest. (raponline.org) - b. Complete a thermal plant Deprecia...
AI summary The document outlines several initiatives, including updating depreciation rates for thermal plants, developing a plan for replacing natural gas-powered steam turbines, and initiating a wind procurement strategy. It also emphasizes the creation of a demand response strategy targeting 75 MW of capacity by 2025.
3.1 Ensuring Reliability A reliable electric system is essential to Nova Scotians. Nova Scotia Power plans its electricity system to ensure that loss-of-load events, caused by an electricity supply shortfall, are rare. System reliability m...
AI summary Nova Scotia Power emphasizes the importance of a reliable electric system, planning years in advance to ensure resource adequacy. As the power supply becomes more decarbonized, the integration of variable and intermittent resources like wind and solar introduces new challenges to reliability planning, requiring more comprehensive methods and potential increases in regulation reserves.
4.2.2 Resource Screening Nova Scotia Power engaged E3 to perform a Resource Screening analysis for existing diesel combustion turbines and domestic hydro facilities. The goal was to determine whether it would be more economic to retire or...
AI summary Nova Scotia Power conducted a Resource Screening analysis using E3's RESOLVE model to determine the economic viability of existing diesel and hydro facilities. The analysis aimed to decide whether to retire or sustain these resources, reducing model complexity and computation time by narrowing retirement decisions. Results were discussed in a stakeholder workshop.
Resource Screening - Diesel Combustion Turbines 4.2.2.1 The Screening Analysis evaluated the existing fleet of seven diesel combustion turbines (CTs) by comparing the cost of retirement (and replacement with alternatives) to the cost of su...
AI summary The Screening Analysis evaluated the cost of sustaining versus retiring seven diesel combustion turbines, concluding that sustaining them is the lowest-cost option for meeting system capacity requirements. Replacing them with gas turbines was significantly more expensive over a 25-year NPV. Sensitivity analyses at Victoria Junction also supported sustaining the existing units.
4.2.2.2 Resource Screening - Domestic Hydro The Resource Screening analysis also evaluated the existing fleet of domestic hydro resources. The methodology followed was generally similar to the Diesel CT screening described in the previous...
AI summary The Resource Screening analysis evaluated Nova Scotia Power's domestic hydro resources using a 40-year horizon, considering sustaining capital, O&M, and decommissioning costs. The Mersey and Wreck Cove systems were analyzed individually, while other resources were grouped based on similar operating characteristics. The analysis was conducted under two key scenarios: 1.0A and 2.1C.
4.3 Future Supply Options Nova Scotia Power evaluated a wide array of potential future resource options in this IRP, including renewable resources, energy storage resources, thermal resources, and firm contracts for imports. Assumptions we...
AI summary Nova Scotia Power evaluated various future resource options, including renewable, storage, thermal, and import contracts, using a Resource Options Study. Levelized costs of capacity for these resources are analyzed, showing declining costs for lithium-ion batteries and continued low costs for gas combustion turbines.
5.4 Evaluation of Resource Portfolios One of the main objectives of the IRP is to develop a robust, risk-weighted lowest-cost long-term electricity strategy that delivers energy in a safe and reliable manner. In addition, Nova Scotia Power...
AI summary Nova Scotia Power evaluates resource portfolios using metrics like 25-year NPVRR, resource adequacy, GHG emissions, and robustness to ensure affordability, reliability, and decarbonization. The Integrated Resource Plan (IRP) considers various scenarios, including the impact of DSM, DER penetration, and electrification on costs and rates.
6 MODELING RESULTS The assumptions, constraints, and scenarios developed through the initial stages of the IRP Process provide the inputs necessary to execute the Initial Portfolio Study, Reliability and Operability Analysis, and Final Por...
AI summary The modeling results from Nova Scotia Power's 2020 Integrated Resource Plan (IRP) highlight the common elements in low-cost resource plans, despite high uncertainty in the electricity planning environment. Scenario 2.0C is designated as the Reference Plan due to its lowest 25-year NPVRR, and other low-cost scenarios are discussed to highlight shared characteristics in resource selection and timing.
6.4 Resource Plan Cost The NPV of partial revenue requirement for the IRP key scenarios is summarized in Figure 51 below. Results for scenarios are grouped based on their load level; the revenue requirements should only be compared across...
AI summary The document discusses the NPV of revenue requirements for different Integrated Resource Plan (IRP) scenarios, noting that scenarios with regional integration are lower cost than others. It also highlights the higher costs associated with retiring coal plants earlier, and notes that the cost of distributed energy resources is not included in the NPV calculations for certain scenarios.
components of their energy bills (e.g. heating oil, gasoline); this model also does not capture the economy-wide emissions reduction benefits that would accompany increased levels of electrification. While the cost and rate results present...
AI summary The Integrated Resource Plan (IRP) discusses the impact of electrification and distributed energy resources (DER) on rate impacts. While avoided transmission and distribution (T&D) costs from demand-side management (DSM) are included, T&D impacts from electrification are not. The IRP also notes that the DER strategy results in higher relative rate impacts due to lower energy sales and the absence of firm capacity value from DER resources.
6.8.3 Mersey System The Mersey Hydro system was analyzed during the Resource Screening phase of the IRP (described in Section 4.2.2) and economically retained, based on the assumptions developed from Nova Scotia Power's Hydro Asset Study (...
AI summary The Mersey Hydro system was analyzed in the Integrated Resource Plan (IRP) and retained economically. However, due to redevelopment costs, a PLEXOS sensitivity analysis was conducted assuming the Mersey system retires in 2025. Results show redevelopment is economically viable compared to decommissioning, with similar rate impacts but differences in NPVRR metrics over 25 years.
educed the modeled inertia benefit, the Reliability Tie is selected and in sensitivity 2.0A.IMPORT-2 where it was not allowed to be built, the resulting resource plan was $356 million more expensive. Regional Integration was modeled as ava...
AI summary The text discusses the economic selection of Regional Integration and wind energy in Nova Scotia's Integrated Resource Plan (IRP). Regional Integration is chosen over Distributed Resources (DER) due to lower costs, and wind is the preferred renewable energy source due to its lower cost and ability to replace retiring coal units.
N-9-(i)Appendices A-N
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el costs. E3 will undertake a more detailed review of costs in Phase 2 of this analysis. Electricity Sector Modeling: This study did not perform detailed dispatch or capacity expansion modeling. Efforts to more completely characterize po...
AI summary The analysis highlights the need for more detailed electricity sector modeling, including dispatch and capacity expansion, to assess impacts on peak load and grid reliability. It also emphasizes the importance of evaluating consumer adoption of low-carbon technologies and the technical feasibility of integrating these technologies into the grid.
12 Resource options study approach 34 Approach Nova Scotia Power IRP Final Report Appendix B Page 35 of 112 In preparation for its upcoming integrated resource plan, NS Power has asked E3 to provide guidance on resource costs and potenti...
AI summary NS Power is preparing its Integrated Resource Plan (IRP) and has engaged E3 to assess resource options, focusing on costs, performance, and potential development within Nova Scotia. The study includes modeling resource costs, operational constraints, and long-term planning tools to evaluate generation portfolios.
34 Resource Cost Modeling Nova Scotia Power IRP Final Report Appendix B Page 36 of 112 Fixed vs. Variable Costs for New Resources Fixed costs: expenditures required to install and maintain generating capacity, independent of operations •...
AI summary The document discusses resource cost modeling, distinguishing between fixed and variable costs for new energy resources. Fixed costs include capital and fixed O&M, while variable costs include variable O&M and fuel costs. Capacity factors are used to estimate the spread of fixed costs. Resource options considered include fossil fuels, renewables, energy storage, and emerging technologies.
$1,000 $500 2020 2022 2024 2026 2028 2030 2032 2034 2036 2038 2040 2042 2044 2020 IRP FINAL ASSUMPTIONS SET 45 Nova Scotia Power IRP Final Report Appendix B Page 47 of 112 2020 IRP: PLANNING RESERVE MARGIN MARCH 11, 2020 2020 IRP FINAL ASS...
AI summary Nova Scotia Power engaged E3 to conduct a Planning Reserve Margin (PRM) and capacity value study, updating assumptions for the Integrated Resource Plan (IRP) process. The study ensures resource adequacy, reliability, and affordability of power supply by evaluating load characteristics and resource availability.
SET 28 Nova Scotia Power IRP Final Report Appendix H Page 48 of 321 NSPI Resource Options Study Nova Scotia Power July 2019 Aaron Burdick, Sr. Consultant Charles Li, Consultant Sandy Hull, Sr. Consultant Zach Ming, Sr. Managing Consultant...
AI summary Nova Scotia Power (NSPI) commissioned E3 to conduct a resource options study to support its upcoming Integrated Resource Plan (IRP). The study focuses on evaluating resource costs, performance, and potential, including capital, O&M, and fuel costs, operational constraints, and the amount of each resource that can be developed in Nova Scotia or remotely.
Optimization) Cost + other key metrics Other Constraints 31 Resource Cost Modeling Nova Scotia Power IRP Final Report Appendix H Page 51 of 321 Fixed vs. Variable Costs for New Resources Fixed costs: expenditures required to install and...
AI summary The document discusses resource cost modeling, distinguishing between fixed and variable costs for new resources. Fixed costs include capital and O&M expenses, while variable costs are tied to energy production. Capacity factor is used to estimate costs and spread fixed costs over expected generation.
efficiency and fuel supply is leading to, in certain jurisdictions, competitive advantages over coal, particularly given the faster pace of grid operations driven by variable generation; • Gas typically plays a role in backing up renewable...
AI summary The document discusses the role of natural gas in supporting renewable energy during periods of low generation, the uncertainty in natural gas costs due to supply constraints, and the reliance on imported gas following the shutdown of domestic production sources. It also highlights the need for a firm gas supply for new plants and considerations around operational modes.
4. Supply Side CA Supply side capacity options should include flexible solar The model will be free to select combinations of Options (Chernick & (for dispatch control for ancillary services) and hybrid renewable generators and energy stor...
AI summary The text discusses supply-side capacity options, emphasizing flexible solar and hybrid renewable-storage resources. It requests more information on NSP's cost assumptions, citing a 2019 study and updates based on 2019 data. Solar PV costs have decreased, and gas costs are expected to be 20% lower.
1.4 Analysis Plan E1 – Feb 14 2020 Eliminate plans at reliability/operability screening if NS Power agrees that plans which do not Evaluation Criteria they do not meet requirements for essential grid meet the standards of the Resource and...
AI summary The document outlines evaluation criteria for grid services and resource portfolios, including the consideration of integration costs and reliability/operability screening. NS Power agrees to evaluate wind integration costs based on the PSC Stability Study and will not consider plans that fail to meet grid service standards.
model consider how resource portfolios perform financial risk or uncertainty re plan cost risk against different sensitivity assumptions.
AI summary The text discusses considering how resource portfolios perform under different sensitivity assumptions, particularly focusing on financial risk and uncertainty related to plan cost risk.
rimarily with coal before 2030, and with wind, imports, and gas CCGT after Replacement Capacity and Energy when Mersey Removed – 2.1.C. 2035 when emissions become more constrained 24 Small Hydro Groups: System value provided by Hydro Asset...
AI summary The text discusses the value of small hydro systems in Nova Scotia, highlighting their energy and capacity contributions, particularly in scenarios with higher loads and lower carbon targets. It also notes that retaining hydro assets is more cost-effective than replacing them with alternative resources over a 40-year period.
age 52 of 245 INITIAL PORTFOLIO STUDY RESULTS Nova Scotia Power IRP Final Report Appendix J Page 53 of 245 INITIAL PORTFOLIO STUDY • The following slides provide the Initial Portfolio Study results from PLEXOS LT for the key scenarios as w...
AI summary The document discusses the Initial Portfolio Study results from PLEXOS LT, including key scenarios and sensitivities. It outlines the comparison of near-term and long-term resource portfolios up to 2026 and 2045, and presents partial revenue requirement NPVs considering various costs such as production, O&M, abatement, and energy efficiency.
Features Load Drivers Coal Resource Strategies Tested Key Sensitivities Retires
AI summary The text presents a table with columns including Features, Load Drivers, Coal, Resource Strategies Tested, and Key Sensitivities, with 'Retires' noted under the Coal column. The content appears to be related to resource planning and energy strategies.
tween options. If the variation in end effects among cases appears to be correct, but the magnitude is overstated, NS Power should consider shifting to a shorter end effect period (e.g., 10 or 15 years), or eliminating it altogether. Distr...
AI summary The text discusses concerns about the end effect period in NS Power's modeling and the exclusion of distributed energy resource (DER) costs in specific cases. It suggests shortening the end effect period or eliminating it and highlights the need to account for bottom-of-the-meter (BTM) costs associated with DERs, which are not captured in the NPVRR calculation.
va Scotia Power IRP Final Report Appendix K Page 167 of 264 2.1C.IMPORT -1 (LIMITED NON -FIRM IMPORTS) M I D E L E C . / B A S E 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...
AI summary The document presents financial and operational metrics for a scenario involving limited non-firm imports in Nova Scotia's integrated resource plan. It compares base and sensitivity cases, showing impacts on NPVRR, generation mix, and grid services.
I suggests that the findings include a discussion of the impacts of the current global economic recession on NS Power’s load and the implications of that recession for the resource plan. Optimal planning reserve margin It is our understand...
AI summary The text discusses the impact of the global economic recession on NS Power’s load and resource planning, the need to verify the optimal planning reserve margin using updated models, and the evaluation of the combustion turbine fleet's cost-effectiveness. It also references audit findings and recommendations from Bates White.
generation, including a summary of the modeling evidence in support of its findings and any constraints on the options that were evaluated that may suggest a need for further analysis. 5 Operating surpluses and inefficient dispatch In the...
AI summary The text discusses findings from Bates White audits regarding NSPI's operating surpluses and inefficient dispatch practices, which may increase costs to FAM customers. It also raises questions about the potential for improved hydro dispatch if operating reserves are maintained at target levels. Additionally, the importance of evaluating the continued operation of hydroelectric facilities in the IRP process is highlighted.
Covid CA Include impacts of current global economic recession on NS Power’s load and the As requested, NS Power has provided an update on load impacts observed from the effects of the COVID- implications of that recession for the resource...
AI summary The text discusses NS Power's updates to its resource plan in response to the impacts of the global economic recession and the ongoing effects of the COVID-19 pandemic on load. It also mentions adjustments to key inputs for the planning reserve margin (PRM) and the use of updated modeling environments and data, including ELCC contributions calculated via the RESOLVE model.
Further, the updated PRM calculations completed on the three 2045 resource portfolios showed that the 9% UCAP PRM was sufficient and did not introduce significant excess capacity even under these very different resource portfolios; this pr...
AI summary The updated PRM calculations for 2045 resource portfolios confirm that a 9% UCAP PRM is sufficient and does not introduce significant excess capacity. NS Power has not addressed the future of its combustion turbine fleet in the draft action plan, though it claims the existing fleet is cost-effective.
Nova Scotia Power IRP Final Report Appendix K Page 241 of 264 Category Participant Comment NSP Response / Consideration for Final Report (18) If operating reserves were maintained at the target levels (rather than the higher levels reporte...
AI summary The document discusses a question regarding the ability of Nova Scotia Power (NSP) to dispatch additional hydro resources if operating reserves were maintained at target levels. NSP has conducted analyses on the value of hydro systems, including the Mersey Hydro system, using models like E3 and Plexos, to assess economic viability relative to decommissioning.
Nova Scotia Power IRP Final Report Appendix L Page 18 of 125 Comments on Draft IRP Report Page 13 of 21 The July 2019 study may well approximate NS Power’s required planning reserve margin. However, it is not clear that the analysis is suf...
AI summary The document suggests that the July 2019 study may approximate NS Power’s planning reserve margin but questions whether it demonstrates an optimal margin. It recommends using the RESOLVE model to verify or correct findings and ensure future procurements and investments rely on optimal assumptions.
Demand Response Strategy targeting 75 MW of capacity, for deployment by 2025. Available resource cost, flexibility, and reliability may inform pursuit of additional Demand Response capability.11 We agree with this recommendation in the Act...
AI summary The document outlines a Demand Response Strategy targeting 75 MW of capacity by 2025, emphasizing its cost-effectiveness and flexibility. EfficiencyOne is recommended to administer demand response programs, and the strategy development is to proceed through the DSMAG. The Integrated Resource Plan (IRP) uses a least-cost, least-risk portfolio approach as its primary evaluation criterion.
FINDING STAKEHOLDER STAKEHOLDER COMMENT REFERENCE PHP No comments n/a SBA No comments n/a Town of No comments n/a Wolfville 3b Nova Scotia Power’s existing combustion AREA No comments n/a turbine resources provide economic benefit to CA Su...
AI summary Nova Scotia Power's combustion turbine resources are deemed economically beneficial and sustainable through the planning horizon with current levels of capital investment. The Electric Resource Assessment Model (RII) recommends further evidence in the FAM audit proceeding regarding the performance of these resources.
s the costs and integration constraints of wind are overstated. 2020-11-13; p. 1/4 Suggests the ability of wind to provide ancillary grid services is understated. 2020-11-13; p. 3/4 Natural Forces Supports but says build-out rate is unders...
AI summary The text discusses the costs and integration constraints of wind energy, suggesting they are overstated. It also highlights the underestimation of wind's ability to provide ancillary grid services and supports the need for a higher build-out rate, recommending the use of a Resource Planning Framework (RPF) to determine the cost of new wind to the system.
than the size of the lowest cost capacity resource (50MW combustion turbine). Finally, the pre-IRP study was updated for assumptions that had been updated or modified during the IRP process including load forecast and unit availability and...
AI summary The document discusses an update to the pre-IRP study based on changes made during the IRP process, including load forecasts and unit availability, confirming a 21% ICAP/9% UCAP PRM. It also mentions Nova Scotia Power's response to IRP report directives and suggestions.
following additional sensitivities were included in this work: • Specific analysis of the Victoria Junction combustion turbine site, conducted both with and without addition of locational effects relative to load centre in Halifax (i.e. ad...
AI summary The analysis includes specific evaluations of the Victoria Junction combustion turbine site, sensitivity analyses of PRM requirements under UCAP and ICAP calculations, and additional capacity expansions in RESOLVE using a 7% UCAP PRM assumption to assess resource adequacy and avoid capacity surplus.
rd. The IRP is the proper Report p. 185 runs is provided in Section 6.7.1. forum to consider NSPI’s resource portfolio; thus, we make no further recommendations regarding these observed operating reserve surpluses here, other than to note...
AI summary The Integrated Resource Plan (IRP) is identified as the appropriate forum for considering NSPI’s resource portfolio. The document notes that observed operating reserve surpluses remained in place during the Audit Period and does not make further recommendations on the matter.
N-10Comments - Bates White
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g combustion turbines differ substantially from new combustion turbines. ................................................................................................................. 15 3. Battery storage is not limited from providing...
AI summary The document discusses combustion turbine differences, battery storage capacity, and IRP results highlighting reliance on firm imports and regional transmission. It addresses electrification uncertainties, sensitivity to resource costs, and NSPI's Action Plan evaluation, emphasizing the need for competitive procurement and substantiating investment decisions.
e Margin and Capacity Value Study,” July 2019. 37 Audit Report, Recommendation IX-1. 12 Bates White Comments On NSPI Final IRP Report Recommendation XIV-5: NSPI should perform a standalone analysis to determine the value of the Biomass Pla...
AI summary The text recommends NSPI conduct a standalone analysis to assess the Biomass Plant's value to FAM customers without PHP load, ensuring FAM customers aren't burdened by costs tied to PHP load. It also highlights the need for economic evaluation of NSPI's diesel-fired combustion turbines.
3, 2020, page 14. 14 Bates White Comments On NSPI Final IRP Report A. Areas in IRP Report Requiring Additional Context 1. Coal retirements also mean savings on Sustaining Capital, Fixed O&M costs. NSPI appropriately explains that it will “...
AI summary Bates White highlights that NSPI's Final IRP Report omits cost savings from retiring coal plants, specifically sustaining capital and fixed O&M costs. While environmental benefits are noted, the financial implications of mothballing or shutting down high-cost coal units are not analyzed, potentially impacting overall system reliability and cost efficiency.
e likely not an intentional omission, it is worth underscoring the fact that sustaining the existing thermal units incurs costs that are otherwise avoidable if those units are mothballed or shut down. The IRP modeling made certain assumpti...
AI summary The text discusses NSPI's Integrated Resource Plan (IRP) assumptions about sustaining existing thermal units, noting that higher-than-expected sustaining costs could undermine the IRP's preferred portfolio, shifting retirement timelines for coal and gas steam units. It also highlights differences between NSPI's existing and new combustion turbines in cost and capacity roles.
onsulting (on behalf of Ecology Action Centre) projects anywhere between 13% and 32% electric vehicle penetration in Nova Scotia by 2030, depending on provincial and federal incentives and mandates.61 All this is to say that electrificatio...
AI summary The text highlights uncertainty in electrification trajectories and emphasizes the need for NSPI's IRP process to adapt as data accumulates. It notes that NSPI's current Action Plan focuses on promoting electrification rather than tracking actual trajectories, with differing optimal resource portfolios under 2.0C and 2.1C scenarios due to electrification policies.
ge 1. 60 Ibid. 61 Ibid., Figure ES-1. 62 2020 IRP Report, pages 112 to 113. 19 Bates White Comments On NSPI Final IRP Report As for the pursuit of “beneficial” electrification, we see this as an issue that may be exogenous to NSPI’s decisi...
AI summary Bates White comments on NSPI's Final IRP Report, noting that beneficial electrification depends on legislative and regulatory actions, while NSPI's evaluation framework for electrification is reasonable. Stakeholders debated resource cost assumptions in the IRP, prompting sensitivity analyses on wind and battery storage costs.