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.
Long Lead-Time RFP
The Long Lead-Time Request for Proposals (LLT RFP) has launched. This competitive procurement for new-build hydroelectric and long duration energy storage resources that require at least five years to develop will help secure the supply needed to support economic development, population growth and electrification in the 2030s and beyond. Learn more about the procurement on the LLT RFP page.
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 May 20 - 22 stakeholder engagement meetings is now available.
Meeting materials and recorded presentations for the April stakeholder engagement meetings are also posted.
News and Updates:
- May Stakeholder Engagement Meetings – Reminder to Register May 08, 2026
- Technical Panel Meeting - Materials Posted May 08, 2026
Upcoming Events:
- Stakeholder Engagement Meetings-May 20-22 May 20, 2026
- ERP Storage and Co-located Hybrid Integration Project May 20, 2026