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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 December 15 stakeholder engagement meetings is now available.

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

Energy Storage in Ontario

Energy Storage in Ontario

Energy storage has many benefits for communities, including supporting the integration of renewable resources, spurring economic development and providing back-up power during emergencies.

Watch the video

Control Room

IESO's CER Response

The federal government’s proposed Clean Electricity Regulations (CER) outline steps to mandate the decarbonization of electricity systems across the country. The IESO’s formal response provides comments aimed at supporting an orderly transformation of the electricity system. 

Read the full response or see the fact sheet