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.
New Transmission Recommendations
In response to rising demand and evolving reliability needs, the IESO has developed three plans that outline recommendations for a phased approach to new and reinforced transmission infrastructure across Ontario. Learn more: North of Sudbury Bulk Plan | Eastern Ontario Bulk Plan | South and Central Bulk Plan
Indigenous Energy Support Program
The 2026 Indigenous Energy Support Program (IESP) application window is now open. Funding is available to support energy planning, infrastructure development, and capacity building for First Nation and Métis communities and organizations. Applications close October 2. Learn more and apply.
Stakeholder Engagement Meetings
The agenda for the August 18 - 20 stakeholder engagement meetings is now available.
Meeting materials and recorded presentations for the July stakeholder engagement meetings are also posted.
News and Updates:
- New Transmission Recommendations to Enable Growth Across Ontario August 21, 2026
- Active Planning Engagements — Deadline for Comments August 21, 2026
Upcoming Events:
- Stakeholder Engagement Meetings-September 16-18 September 16, 2026
- Technical Panel Meeting September 15, 2026