Topic:"Demand Side Management" in M12916

6 Nova Scotia Effective Load Carrying Capability Study, Energy+Environmental Economics, June 2026. Generation Resource Fuel Type Owner Capacity (MW) ELCC (%) Firm Capacity (MW) Demand Response Demand Response - NS Power & EfficiencyOne 16....

AI summary The document presents a table detailing the Effective Load Carrying Capacity (ELCC) study for Nova Scotia, including data on demand response programs and their contribution to the overall capacity and firm capacity. The study was conducted by Energy+Environmental Economics in June 2026.

3.2.6 Demand Response IESO Nova Scotia has included forecast increases in available demand response capacity, and its corresponding firm capacity contribution, in the 10-Year System Outlook Resource Plan in each year, as reflected in Table...

AI summary The 10-Year System Outlook Resource Plan includes forecast increases in demand response capacity from EfficiencyOne and NS Power's DSM programs. Contributions from E1's 2027-2031 DSM Plan and post-2031 capacity from E1's 2019 Potential Study are included, along with forecast contributions from NS Power's Critical Peak Pricing program.

Table 3: Additions and Retirements in the 10-Year System Outlook Resource Plan Additions Retirements Winter Generation Type Name Installed Capacity (MW) Firm Capacity (MW) Name Retired Capacity (MW) Wind Rate Base Procurement 273 54.5 Wind...

AI summary Table 3 outlines the additions and retirements in the 10-Year System Outlook Resource Plan, detailing wind, solar, battery storage, and other generation and demand response resources for various years from 2026/2027 to 2035/2036, along with retirements such as coal-to-gas conversions and coal plants.

Firm Resource Additions For energy limited resource additions (wind, solar, battery, demand response), the firm capacity contributions reflect the ELCC rather than installed capacity as discussed in Section [3.1.](#page-7-2) Wind projects...

AI summary The document discusses firm resource additions, focusing on wind, solar, battery, and demand response projects. It highlights the use of Effective Load Carrying Capacity (ELCC) for firm capacity contributions and mentions specific projects with established procurement timelines, as well as future procurements outlined in the 2023 Evergreen IRP.

Winter 2026/ 2027 2027/ 2028 2028/ 2029 2029/ 2030 2030/ 2031 2031/ 2032 2032/ 2033 2033/ 2034 2034/ 2035 2035/ 2036 1 Load Forecast 2 System Peak (with DSM) 2,497 2,526 2,549 2,563 2,593 2,620 2,652 2,689 2,730 2,765 3 Interruptible Load...

AI summary The table presents a 10-Year System Outlook (10YSO) with load forecasts, system peak, required capacity, existing and new firm resources, retirements, and reserve margin percentages for various years from 2026/2027 to 2035/2036. It outlines the capacity additions and retirements, including wind, storage, and coal-to-gas conversions, along with the resulting reserve margins.

Response IR - 8 - a) The firm capacity values in Table 3 and Table 4 are based on Effective Load Carrying Capacity (ELCC) for variable renewable resources, like wind and solar, and energy limited resources, like batteries and demand respon...

AI summary The response discusses the calculation of firm capacity values for different types of energy resources, distinguishing between variable renewable resources (like wind and solar) and dispatchable thermal resources. It explains how Effective Load Carrying Capacity (ELCC) is used for variable resources and installed capacity for thermal resources, and how marginal ELCC decreases as resource penetration increases.

Request IR – 11 - Referencing IESO Nova Scotia's 10-Year Load and Resource Outlook: - Pdf page 18 states that the PRM will fall below the 20% target in the final two years of the - outlook, which indicates that additional firm capacity wil...

AI summary The text references the IESO Nova Scotia's 10-Year Load and Resource Outlook, noting that the Installed Capacity Planning Reserve Margin (PRM) is projected to fall below the 20% target in the final two years, indicating a need for additional firm capacity. It requests confirmation on whether the 2020 Integrated Resource Plan (IRP) analysis could satisfy the Loss of Load Expectation (LOLE) criteria with a PRM below 20% and a reproduction of Table 4 showing demand-side management (DSM) forecasts.

- b) Rows 2 and 3 in the table below show the amount of DSM included in the System Peak forecast; the remainder of the table is consistent with Table 4 as published in the 2026 10 Year System Outlook. Winter 2026/ 2027 2027/ 2028 2028/ 202...

AI summary The table shows the impact of demand-side management (DSM) on the System Peak forecast for various years, with rows 2 and 3 illustrating the difference between the system peak with and without DSM. The data is consistent with Table 4 from the 2026 10 Year System Outlook.

1 Request IR – 3 - 2 Refer to the 2026 Report Section 2 Load Forecast, page 6, Table 1: Forecast System Peak and - 3 Net System Requirement. Please explain the source for the assumed growth in behind-the-meter - 4 solar penetration. - 5 Re...

AI summary The Small Business Advocate (SBA) requested an explanation for the assumed growth in behind-the-meter solar penetration in the 2026 Load Forecast Report. IESO Nova Scotia responded by referencing the NSPI 2026 Load Forecast Report and Section 4.5.5 Solar Generation (PV) for details.

- 8: Large-Load SIS. - a) For each of the nine projects listed in Table 8, please provide the expected in-service date, ramp schedule for load growth, load factor, and any interruptible or curtailment provisions. - b) Are these loads inclu...

AI summary The response to the SBA's information requests regarding nine large-load projects discusses in-service dates, ramp schedules, load factors, and interruptible provisions. It notes that ramp rates are not yet determined and that load factors are not considered during the System Impact Study. The response directs further questions to another document.

Request IR-11: - Referencing IESO Nova Scotia's 10-Year Load and Resource Outlook: - Pdf page 18 states that the PRM will fall below the 20% target in the final two years of the outlook, - which indicates that additional firm capacity will...

AI summary The text references the IESO Nova Scotia's 10-Year Load and Resource Outlook, noting that the PRM will fall below the 20% target in the final two years, requiring additional firm capacity. It also requests confirmation on the 2020 IRP analysis regarding NPCC LOLE criteria and reproduction of Table 4 showing DSM's impact on system peak reduction.

Request IR-10 Refer to the 2026 Report Section 3 – Existing Generation Resources, page 15, Table 3: Additions and Retirements in the 10-Year System Outlook Resource Plan, and the Demand Response additions. The Demand Response ELCC values v...

AI summary The document requests clarification on the discrepancy between Demand Response ELCC values in two different tables from the 2026 Report. It highlights significant variations in ELCC values across different time horizons and asks for an explanation of the drivers behind these changes and whether the values represent marginal or average ELCC.

Request IR-1: Reference : Exh. N-1, Table 4 - a) Please provide the amount of peak forecast reduction associated with a hybrid heating scenario, by year. If exact numbers are not available, please provide estimates. - b) Please either iden...

AI summary Request IR-1 seeks detailed information on peak forecast reductions from hybrid heating scenarios, data sources, work done by IESO-NS and NS Power, participation in studies, and the current action plan for achieving forecast reductions.

Request IR-2: Reference : Exh. N-1, Table 4, regarding the amount of DSM that is forecast to reduce the system peak in each year, - a) Please either identify the source for the forecast reduction or provide workpapers and all supporting do...

AI summary Request IR-2 asks IESO-NS to provide the source or documentation for DSM forecasts, explain how these forecasts support DSM investment planning, outline expectations for future DSM forecasts, and whether future reports should include a comprehensive discussion of DSM, including energy efficiency.

3.4.2.1 The NSPSO system plan will address: - (a) transmission investment planning; - (b) DSM programs operated by EfficiencyOne or others; - (c) NS Power generation planning for existing Facilities, including retirements as well as invest...

AI summary The NSPSO system plan addresses transmission investment, DSM programs, generation planning, new generating facilities, and load transitioning. IESO NS confirmed responsibility for the report, which covers system planning issues, load forecasts, generation resources, and compliance with environmental regulations. Intervenors have filed information requests.

A. Energy Efficiency The Report references both DSM and demand response in various places, including in Table 4 (see rows 2 and 4),[9](#page-2-6) as well as Section 3.2.6, which discusses demand response assumptions and sources, and includ...

AI summary The text discusses concerns regarding the presentation of demand response and DSM in the Report, highlighting potential double-counting and the need for clarification on energy savings assumptions. It suggests that IESO Nova Scotia should provide clarifications and that future reports should include more detailed information on energy savings assumptions and action plans.