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December 5, 2025
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Higher Prices Stressing Ontario Mines, Greenhouse Growers
Market Renewal Program Clears 6-Month Mark
Prices rose with demand, except where available supply was scarce, or there was a sudden forced outage.
Prices rose with demand, except where available supply was scarce, or there was a sudden forced outage. | IESO
Nov 30, 2025 | Rich Heidorn Jr.
Higher prices under Ontario’s renewed market are causing heartburn for mines and greenhouse growers, stakeholders told IESO.
Demand ResponseEnergy MarketIESOReserves
Keywordseconomic operating point (EOP)Independent Electricity System Operator (IESO)Industrial Conservation Initiative (ICI)make-whole paymentsMarket Renewal Programminerals and miningRenewed Market Advisory Forum
Rich Heidorn Jr.
IESO Tweaking Make-whole Payments for Operating Reserves
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