Topic:"Environmental Compliance" in M12551

15 With respect to sulphur dioxide, the Provincial Government provided NS Power a certificate of variance under section 61 of the Environment Act affecting allowable sulphur dioxide emissions (SO2) which gives NS Power flexibility to bette...

AI summary The Provincial Government issued NS Power a certificate of variance under the Environment Act, allowing flexibility in sulphur dioxide emissions to align with renewable energy integration in Nova Scotia.

A list of updates for the 2025 Q3 fuel and purchased power model include: Update Update Description number 1. Generation maintenance scheduled (GMS). 2. Fuel and power prices. 3. Coal blends, restrictions, emissions parameters, and volumes...

AI summary The document outlines updates for the 2025 Q3 fuel and purchased power model, including generation maintenance, fuel prices, coal blends, emission limits, and energy schedules. It also notes the removal of a confidential appendix related to 2026 annually adjusted rates.

REDACTED 1 (iii) Any known annual change in existing environmental regulation such as emission 2 limits are incorporated into the PLEXOS model as they may impact the volume of 3 imports selected by the model. Any new environmental regulati...

AI summary The text discusses the incorporation of environmental regulations into the PLEXOS model, adjusting historical average import volumes based on factors like unit availability and transmission outages to determine the economic timing and volume of imports.

1 Request IR-3: - 2 Preamble: Based on the principles of economic dispatch, and recognizing the influence 3 of environmental legislation, REI expects that the highest variable cost generators would 4 generally be: diesel combustion turbine...

AI summary The document requests NS Power to confirm or refute REI's assertion that diesel combustion turbines, natural gas generation from Tufts Cove, and imports are the highest variable cost generators. It also asks for a comparison between PLEXOS model forecasts and actual data on marginal generator hours for 2024 and 2025.