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.
Electricity Planning for Toronto
Electricity demand in the city of Toronto is rising quickly. The IESO is in a new round of electricity planning to identify actions needed to ensure a reliable supply of electricity to the city for years to come. See our recent presentation or find information and resources in the Toronto Regional Plan Information Package.
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.
Stakeholder Engagement Meetings
The agenda for the March 24 and 26 stakeholder engagement meetings is now available.
Meeting materials and recorded presentations for the February stakeholder engagement meetings are also posted.
News and Updates:
- Monthly Engagement Update and March Meetings March 20, 2026
- Toronto Third Line Engagement Session – Registration Open March 20, 2026
Upcoming Events:
- Stakeholder Engagement Meetings-March 24-26 March 24, 2026
- Technical Panel Meeting March 03, 2026