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Connecting Today.
Powering Tomorrow.

The Independent Electricity System Operator (IESO) works at the heart of Ontario's power system. The IESO delivers key services across the electricity sector including: managing the power system in real-time, planning for the province's future energy needs, enabling conservation and designing a more efficient electricity marketplace to support sector evolution.

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Securing New Energy Supply Through LT2

To help meet Ontario’s growing electricity needs, the IESO has offered contracts to 14 new renewable energy projects through the first window of the Second Long-Term (LT2) procurement. The 12 solar projects and two wind projects will generate more than 3 TWh of supply each year. Learn more about the projects on the LT2 page.

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2026 APO - Key Takeaways

The 2026 Annual Planning Outlook, the yearly forecast of electricity demand, reliability assessments, and identified capacity and energy needs for Ontario, is now available. Check out some of the key takeaways from this year's report, including the evolution of the IESO's forecasting and the growing impact of energy efficiency.

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Stakeholder Engagement Meetings

The agenda for the April 21 - 23 stakeholder engagement meetings is now available.

Meeting materials and recorded presentations for the March stakeholder engagement meetings are also posted.