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IESO Reliability Outlook: Ontario Electricity System Prepared Through Mid-2025

December 21, 2023

Ontario’s electricity grid is prepared for the next 18 months, with sufficient supply expected to be available to meet the needs of residents, businesses and communities, according to the IESO’s latest Reliability Outlook. As we enter the winter 2023-24 season, sufficient reserves will be available throughout this period.

Beyond this winter, Ontario’s electricity system is expected to remain adequate under normal weather conditions. To ensure reliability throughout summer 2024, the IESO will monitor for and work closely with market participants to schedule outages.

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