Topic:"Generation Grid Resources" in M12247

NON-CONFIDENTIAL 1 geology is either not suitable for the technology or the technology would be required at 2 depths in Nova Scotia that have not yet been piloted. Date Filed: July 15, 2025 NSPI (CA) IR-4 Page 2 of 2

AI summary The document notes that geology in Nova Scotia may not be suitable for certain technologies, or the technology would need to be implemented at two depths that have not yet been tested.

2025 Evergreen IRP Action Plan and Roadmap Update (NSEB M12247) NSPI Responses to Consumer Advocate Information Requests 1 Request IR-5: 2 3 RE: Action Plan Item 3 4 5 (a) Please provide an update on the status of the fast-acting generatio...

AI summary The document outlines information requests related to the 2025 Evergreen IRP Action Plan and Roadmap Update, focusing on the status of fast-acting generation capacity, the role of NSIESO, potential delays, gas-fueled combustion turbine contracts, and the evaluation of battery storage versus fast-acting generation.

Curtailment Peak Day 2030-07-05 Installed Capacity (MW) 2030 Coal Gas - Existing Gas - New CTs & Recips Gas - Conversion Diesel CTs Domestic Hydro Tidal Biomass Wind Solar Maritime Link Blocks HFO - Conversion Hydrogen Battery Market Impor...

AI summary The document provides a detailed table showing installed capacity and generation data for various energy sources on July 4, 2030, highlighting curtailed energy during peak demand periods. It includes data on coal, gas, hydro, wind, solar, and other energy sources, along with curtailment levels.

Peak Load Hour 2030-01-08 18:00 Installed Capacity (MW) 2030-01-07 22:00 0 462 0 110 0 106 3 75 823 0 125 122 0 0 450 2277 68 2030-01-07 23:00 0 462 0 108 0 69 3 75 826 0 150 117 0 0 350 2160 43 2030-01-08 0 214 0 52 0 67 3 43 1310 0 0 55...

AI summary The document presents a table with data on installed capacity and generation for various time periods around January 8, 2030, including details on curtailed renewables. It provides information on power generation and capacity across different hours and dates.

Curtailment Peak Day 2030-07-05 Installed Capacity (MW) 2030-07-04 22:00 0 189 0 0 0 42 3 0 130 675 0 130 0 0 150 1318 70 2030-07-04 23:00 0 154 0 0 0 12 4 0 0 1004 0 113 0 0 0 1286 142 2030-07-05 0 162 0 0 0 2 4 0 0 1038 0 0 0 0 0 1205 40...

AI summary The document presents a table of installed capacity and generation data for a curtailment peak day on July 5, 2030, showing fluctuations in energy production and consumption across different time intervals.

NON-CONFIDENTIAL - 1 A resource's ramp rate or inertia contribution can contribute to the model's decision to dispatch - 2 one resource over another. The model must have sufficient capability to ramp up or down - 3 generation to match the...

AI summary The text discusses the importance of a resource's ramp rate and inertia contribution in the model's decision to dispatch one resource over another, emphasizing the need for the model to handle load variability and meet minimum system inertia requirements.

NON-CONFIDENTIAL 1 Request IR-1: 2 3 On page 13 regarding pooling allowable emissions, NS Power stated: 4 5 The ability to share emissions "room" amongst units allows for: 6 7 • The shift of dispatch to our lower cost and lower emitting un...

AI summary The document discusses the concept of 'emissions room' and its implications for NS Power's operations, including the shift to lower cost and lower emitting units, reduction in capital expenditures for new CTs, and its impact on the preferred resource plan. NS Power clarifies that 'emissions room' refers to managing total allowable emissions across a unit pool to achieve lower emissions and costs for customers.

Peak Load Hour 1/8/2030 18:00 Installed Capacity (MW) 1/7/2030 22:00 0 462 0 110 0 106 3 75 823 0 125 122 0 0 450 2277 68 1/7/2030 23:00 0 462 0 108 0 69 3 75 826 0 150 117 0 0 350 2160 43 1/8/2030 0 214 0 52 0 67 3 43 1310 0 0 55 0 0 325...

AI summary The text presents a table with data on installed capacity and generation figures for various time intervals around January 8, 2030, including details on renewable energy curtailment. It provides a detailed breakdown of energy metrics but does not discuss any specific arguments or positions.

Curtailment Peak Day 7/5/2030 Installed Capacity (MW) 7/4/2030 23:00 0 154 0 0 0 12 4 0 1004 0 113 0 0 0 0 1286 142 7/5/2030 0 162 0 0 0 2 4 0 1038 0 0 0 0 0 0 1205 405 7/5/2030 1:00 0 280 0 30 0 0 0 33 777 0 0 0 0 0 150 1270 807 7/5/2030...

AI summary The document presents a table detailing installed capacity and generation data for a specific curtailment peak day on July 5, 2030, highlighting variations in power generation and curtailment across different time intervals.

Peak Load Hour 1/9/2035 18:00 Installed Capacity (MW) 1/8/2035 22:00 0 286 50 108 0 248 4 75 1044 0 125 61 0 0 450 2451 68.0 1/8/2035 23:00 0 283 50 108 0 142 2 75 1044 0 193 61 0 0 350 2307 0.0 1/9/2035 0 170 0 52 0 103 0 32 1688 0 0 55 0...

AI summary The document presents a table with data on installed capacity and generation from various sources, including gas, domestic, and renewable energy, over specific dates and times. It includes details about curtailed energy and other operational metrics.

Ultimately, we find it concerning that NS Power has presented an alternative resource plan in the 10- Year System Outlook reports and the Path to 2030 reports that deviates from the most recent IRP, without modeling support for such an alt...

AI summary The document expresses concern over NS Power's alternative resource plan, which deviates from the most recent Integrated Resource Plan (IRP) without sufficient modeling support. While acknowledging the challenges of aligning investment timing with changing load forecasts, the text emphasizes the need for a more rigorous analytical approach to assess the necessity of new CT investments beyond 2030.