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IESO's latest Reliability Outlook reduces its 2026 demand growth projection slightly, citing “international trade tensions.”
IESO released proposed market rule and manual revisions to require synchrophasor data from storage resources.
Responding to opposition from suppliers, IESO said it will not include a termination option in its procurement for long lead-time resources.
IESO says record-high clearing prices in its capacity auction will have little impact on ratepayers because the ISO's medium- and long-term procurements play a larger role in the region’s resource adequacy.
Higher prices under Ontario’s renewed market are causing heartburn for mines and greenhouse growers, stakeholders told IESO.
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