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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.

air source heat pumps

Save on Energy

Cold climate air source heat pumps for income-eligible Ontario residents through the Energy Affordability Program.

Visit the Save on Energy website for more information.

Arial view of Hamilton, Ontario

New Clean Electricity Supply

Decarbonizing the electricity grid is essential in order to build a clean and sustainable energy future. To take the next step on Ontario’s decarbonization journey, the IESO is targeting 2,000 MW of non-emitting generation to be online in 2030.

Learn more

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Stakeholder Engagement Meetings

The agenda for the March 21 stakeholder engagement meetings is now available.