Topic:"System Reliability" in M12780

3.3 DEMAND RESPONSE The demand response design in the 2027–2031 DSM Plan was informed by a combination of observed implementation experience, updated modelling assumptions, evaluation insights, DSMAG member feedback, and alignment with sys...

AI summary The 2027–2031 DSM Plan's demand response design prioritizes cost-effectiveness, achievability, and system value, informed by E1's refined assumptions, DSMAG feedback, and alignment with NS Power's IRP. Residential participation remains limited due to variable results, but Eco Shift's inclusion is justified for resilience and long-term maturation. Peer jurisdictions indicate improving cost-effectiveness over time.

C. Perceived Potential Benefits - C1. What do you see as the potential benefits of taking part in the program? Select all that apply. [MULTIPLE RESPONSE. RANDOMIZED 1-6] - 1. Receiving financial incentives for enrolling in the Eco Shift Pr...

AI summary The section outlines perceived benefits of the Eco Shift Program, including financial incentives, reduced peak demand, sustainability support, and grid reliability. It also asks for additional information needed to reconsider enrollment.

he avoided cost framework 3 in the Nova Scotia DR Potential Input Workbook Assumptions 2026-03-20_IR Support.xlsx, 4 including avoided generation capacity and avoided T&D capacity cost categories. 5 6 (e) In Round 1 modelling when battery...

AI summary The text discusses the avoided cost framework used in Nova Scotia's demand response modeling, highlighting the exclusion of grid resilience benefits in the proposed 2027–2031 DSM Plan. It notes that NS Power's reliability metrics are not improved by customer-owned backup power and that demand response capacity benefits are based on winter events.

E1 Responses to Nova Scotia Energy Board (NSEB) Information Requests NON-CONFIDENTIAL reflects the cost of maintaining and improving the existing residential DR platform, preserving residential demand-side flexibility, and supporting conti...

AI summary The text discusses the cost of maintaining and improving the residential demand-side management platform, emphasizing the importance of preserving demand-side flexibility and supporting operational improvements to contribute to peak reduction and system resilience.

NOVA SCOTIA'S ELECTRICITY SYSTEM In 2015, Nova Scotia had an annual electricity consumption of 10,400 GWh. The residential sector accounts for 45 percent of consumption, the commercial sector uses about 32 percent, and the industrial secto...

AI summary Nova Scotia's electricity system has seen a 70% increase in retail rates over the past decade due to industrial load reduction, renewable integration, and rising fuel costs. NS Power dominates the electricity infrastructure, while the province aims to reduce coal usage and increase renewable energy by 2020. Key themes include accountability, market competition, stable rates, and innovation.

New York –Independent System Operator The NY-ISO operates the competitive wholesale markets that mange the flow of electricity across the state of New York. In addition to operating the markets, the NY-ISO prepares analyses, evaluations an...

AI summary The NY-ISO manages New York's competitive wholesale electricity markets and supports system planning through analyses, evaluations, and forecasts, including reliability assessments and resource needs identification.

The forward-looking information is based on reasonable assumptions and is subject to risks, uncertainties and other factors that could cause actual results to differ materially from historical results or results anticipated by the forward-...

AI summary The forward-looking information includes various risks and uncertainties that could affect outcomes, such as regulatory changes, economic conditions, commodity prices, and technological developments. These factors may significantly impact actual results compared to historical or anticipated performance.

Weather Risk A Material Adverse Effect may arise from weather seasonal variations impacting energy consumption, as well as severe weather events, changing air temperatures, wildfires and other severe weather conditions that are expected to...

AI summary The document discusses the risks posed by weather variations and severe weather events to Nova Scotia Power Inc. (NSPI), including impacts on energy consumption, infrastructure damage, revenue loss, and increased costs. These risks may lead to material adverse effects if not mitigated through insurance or regulatory processes.

Transition Risk: As government policy related to the environment, renewable energy, and decarbonization continues to shift, the Company is exposed to increased uncertainty and risk arising from policy, legal, regulatory, technology, and ma...

AI summary The Company faces increased transition risks due to evolving environmental policies, renewable energy mandates, and decarbonization efforts. These risks include regulatory uncertainty, capital investment needs, and potential impacts on insurance and litigation. The energy transition may also affect the Company's ability to recover costs through rates and could lead to material adverse effects.

predict and detect and may become more sophisticated, frequent, severe, and difficult to stop to the extent that attackers are able to leverage evolving artificial intelligence ("AI") models or tools. Despite security measures in place, th...

AI summary The document highlights the increasing sophistication and frequency of cybersecurity threats, particularly those leveraging AI, and outlines potential risks to the Company's systems, energy supply, and data security. Breaches could lead to operational disruptions, safety issues, and the compromise of sensitive information.

System Operating and Maintenance Risks The safe and reliable operation of electric generation transmission and distribution systems is critical to NSPI's operations. There are a variety of hazards and operational risks inherent in operatin...

AI summary The document highlights the operational and maintenance risks faced by NSPI in managing its electric generation, transmission, and distribution systems, including mechanical failures, natural disasters, and cyberattacks. These risks could negatively impact public safety, infrastructure, and customer confidence, with potential financial implications that may not be fully recoverable through insurance or regulatory mechanisms.

r later. [27](#page-22-2) And, to provide universal service in the context of growing disparity between the top group and society will require socialist (or social justice) principles to be effective. New methods of analysis have been deve...

AI summary The text discusses the need for integrating evaluation frameworks in the context of climate change and energy conservation. It highlights the challenges posed by climate change, the importance of disaster preparedness, and the need for socialist principles to address growing disparities. It also references economic theories and the impact of future generations.

Testimony and Proceeding Participation Forum On Behalf Of Docket/Matter Date Issues Addressed Pennsylvania Public Utility Commission UGI Gas Utilities Inc. – Gas Division Docket No. M-2024- 3048418 - Petition of UGI Gas for Approval of Pha...

AI summary The document outlines testimony and proceeding participation in regulatory forums, including energy efficiency plan design, updates to rate cases, and issues related to grid hardening and environmental justice.

_________ Demand-side management (DSM) is an important electricity system resource. Properly designed and delivered, DSM can reduce the amount of electricity and capacity that Nova Scotia must supply, defer or avoid higher-cost system inve...

AI summary The document emphasizes the importance of demand-side management (DSM) in Nova Scotia's electricity system and highlights the unique role of EfficiencyOne (E1) in delivering DSM programs. It raises concerns about the affordability, resource balance, and scope of E1's proposed 2027–2031 DSM Plan, questioning whether it adequately addresses rising rate pressures and the need to shift toward demand response and strategic electrification.

Representation of Demand Response in E1's Preferred Plan E1 presents the Preferred Plan as a deliberate affordability choice. It states that the Plan prioritizes short-term affordability and ratepayer value and focuses on services for whic...

AI summary E1's Preferred Plan prioritizes short-term affordability but is criticized for limiting the expansion of residential demand response (DR) programs, which could increase capacity costs in the future as the system becomes more winter-peaky. The plan relies heavily on BNI customers for DR capacity growth, raising concerns about long-term system reliability.

B. Recommended Path Forward in Demand Response NS Power's annual system peak has been increasing on average by around one percent per year since 2015. As weather conditions fluctuate and a greater share of households use electric space hea...

AI summary NS Power's annual system peak has been increasing by one percent annually since 2015. As electrification of heating and transportation continues, demand response (DR) will become increasingly important in managing peak demand. DR can reduce system peak, defer capacity investments, and enhance reliability and affordability.

9, c. 380, s. 79A(b)(v) which may also help further the Province's legislative objectives by providing equitable access and benefits for low-income and for marginalized Nova Scotians.[55](#page-33-0) However, even if customer-owned Solar P...

AI summary The text discusses the challenges of incorporating customer-owned rooftop solar PV into Nova Scotia's Demand Side Management (DSM) plan, emphasizing that while solar PV reduces customer reliance on utility-provided energy, it may not effectively address winter peak demand and system capacity needs. The 2026 Load Forecast highlights increasing peak demand due to factors like electrification and EV adoption, despite DSM and DR efforts.

3. Treatment of Strategic Electrification - Require E1 to develop a phased SE pathway that identifies candidate measures with stronger cost-effectiveness potential, and do not allow SE to remain a research-only activity for the full 2027–2...

AI summary The proceeding emphasizes the need for a phased approach to strategic electrification (SE), requiring hourly modeling and improved cost-effectiveness analysis. Transportation electrification, particularly managed EV charging, is highlighted as a key component of SE, with a focus on avoiding peak impacts and improving grid utilization. The modified PAC test is acknowledged as a potential barrier for SE.

4. Treatment of Solar PV - Remove standalone customer-sited Solar PV from DSM funding and avoid embedding standalone Solar PV in the DSM portfolio, if Board intends to prioritize the use of DSM funds for reducing winter peak demand and cap...

AI summary The text discusses the treatment of Solar PV within the DSM funding framework, suggesting that standalone Solar PV should not be prioritized for DSM funding due to its limited capacity value during winter peaks. It recommends supporting Mi'kmaw community Solar PV through non-DSM funding and redirecting DSM funds toward Demand Response and strategic electrification measures.

5.1 Strategic Electrification Should Be a Core DSM Resource Solar Nova Scotia supports strategic electrification as a core component of Nova Scotia's DSM framework. Strategic electrification is no longer merely an adjacent climate-policy o...

AI summary Solar Nova Scotia supports strategic electrification as a core component of Nova Scotia's DSM framework, emphasizing its role in reducing emissions, improving affordability, and supporting system planning. While agreeing that strategic electrification has value, it argues that the DSM Plan should be designed to capture this value in a cost-effective way, including assessing full benefits such as avoided non-electric fuel costs and emissions reductions.

Response IR-03: As a general comment, the Evidence was filed on June 23, 2026, three days before the IESO-NS 2026 10-Year System Outlook was released on June 26, 2026 in M12916. GEEG reviewed the 2026 Outlook, and the 2026 ELCC Study, in p...

AI summary The response discusses the filing of evidence on June 23, 2026, and references the IESO-NS 2026 10-Year System Outlook. It notes that the 2026 Outlook shows increased required capacity and load growth compared to the 2025 Outlook, with demand-side management (DSM) resources contributing significantly to the capacity jump.

13 Table 1. Net System Requirement and System Peak Projections from 2026 Outlook Year System Peak (MW) Net System Requirement (GWh) System Peak (MW) Growth (%) Nova Scotia Power Net System Requirement (GWh) Renewable - to-Retail Energy (GW...

AI summary The table outlines projections for system peak and net system requirement from 2026 to 2036. The 2026 Outlook indicates a need for additional capacity resources due to rising system load and peak load growth, which can be addressed by Demand Side Management (DSM) resources. The Planning Reserve Margin target is met through 2034 but falls below the 20% target in 2035 and 2036, resulting in a reserve deficit of 58 MW by 2036.

highlighting the importance of successfully implementing the projects listed in this report in order to maintain system adequacy while meeting legislated decarbonization targets." (p. 30 27) 31 32 Investing in DSM at higher levels can go a...

AI summary The text emphasizes the importance of implementing demand-side management (DSM) projects to maintain system adequacy and meet decarbonization targets. It notes that energy efficiency reduces load directly and is not subject to the same declining marginal value as other resources. The ELCC Study supports the value of DSM and demand response in addressing reliability risks, particularly during winter peak periods.

4.8. Alignment of DSM Plan and AMI In its response to EUB staff interrogatories, NB Power confirmed that mass deployment of AMI meters was delayed to November 2023 due to meter shortages (NBEUB IR-110, page 199). The current deployment sch...

AI summary NB Power confirmed that AMI meter deployment was delayed until November 2023 due to shortages. Current deployment plans include mass rollout from November 2023 to October 2025. AMI data is being used for load research, a portal project, and Energy Usage Alert, but not for peer comparisons or end-use disaggregation. NB Power is also exploring AMI for demand-side management and conservation voltage reduction.

t to diminish those obligations. - 4. If the Study supports proceeding with a pilot, E1 and the Industrial Group will collaborate on the pilot objectives, evaluation criteria, and measures of success. - 5. E1 will report on the progress of...

AI summary The DR Participation Study outlines steps for collaboration between E1 and the Industrial Group, including reporting progress to the Nova Scotia Energy Board and DSMAG, engaging with IESO and NSP for data, and ensuring alignment with the LIIR tariff to avoid duplicate compensation and maintain system reliability.

- 2 Reference: Exhibit E-1, Application, page 36/71; and Exhibit E-1, Appendix B, Section 9, 27 2027–2031, representing approximately 64% of the 683.1 GWh savings target in NSPI's 11 adjustment to DSM targets or program spending if the new...

AI summary The document discusses the alignment of demand response with the Integrated Resource Plan (IRP) and the need to adjust DSM targets based on new IRP findings. It also references the use of Modified-PAC results for strategic electrification scenarios, highlighting considerations around system reliability, affordability, and risk assessment.

Reference: "While the Residential Demand Response (Eco Shift) program component does not yet meet the standard cost-effectiveness threshold, there have been noted improvements." (Page 28) "Beyond cost-effectiveness metrics, Eco Shift contr...

AI summary The Eco Shift program, a residential demand response initiative, has not met cost-effectiveness thresholds but shows improvements. It enhances electricity system resilience during cold weather by enabling demand-side flexibility and complementing rate design.

Questions / Requests: - a) In addition to the Program Administration Cost Test, did E1 evaluate the Total Resource Cost and Societal Cost Test for the EcoShift program? - b) Could E1 confirm whether greenhouse gas emission reductions and c...

AI summary The proceeding questions whether E1 evaluated specific cost tests (Total Resource Cost and Societal Cost) for the EcoShift program and if greenhouse gas emission reductions and grid resilience were quantified as avoided costs.

Questions / Requests: - a) Could E1 provide a rationale as to why new measures including batteries are not eligible in the Residential Demand Response Program under the Preferred Plan? - b) Could E1 share the sizes and respective durations...

AI summary The document contains seven questions directed at E1 regarding the eligibility, cost-benefit modeling, and capacity benefits of residential batteries in NSP's Residential Demand Response Program. It also inquires about greenhouse gas reductions, grid resilience, outage-prone areas, and the time periods considered in the model.

- "Grid Modernization: Policy, Market Trends and Directions Forward," 4th Annual Grid Modernization Forum, Chicago, IL (May 21, 2019) - "Accelerating the Renewable Energy Transformation: Role of Green Power Tariffs and Blockchain," EUCI So...

AI summary The text lists various presentations and speaking engagements related to energy policy, grid modernization, renewable energy, rate design, and demand response. Topics include grid modernization, renewable energy transformation, alternative regulation, and dynamic pricing, with events spanning from 2016 to 2019.