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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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Stakeholder Engagement Meetings

The agenda for the May 25 stakeholder engagement meetings is now available.

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

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Pathways to Decarbonization

Eliminating emissions from Ontario’s electricity grid while supporting broader decarbonization efforts will be a significant and complex undertaking. The Pathways to Decarbonization report explores this challenge, identifying risks, opportunities and actions to consider, and analyzing potential approaches for future decision making.

Learn more about Ontario's energy transition.

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Resource Adequacy – May 2023

The IESO is moving forward with the largest energy storage procurement ever in Canada with 739 MW slated to connect to the grid by 2026. These projects are accompanied by a limited amount of expansions and upgrades to existing natural gas facilities.

To learn more about how these procurements are helping to meet Ontario’s emerging electricity needs, visit the most recent Resource Adequacy update.

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