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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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Corporate IESO

Peter Gregg joins the IESO

Peter Gregg, new President and CEO, joins the IESO on June 20. With his extensive sector experience, Peter will lead the IESO in its vision to achieve a reliable and sustainable energy future for Ontario. Expect to hear from Peter on his perspectives on the industry and IESO in the coming months.

Read Peter Gregg’s biography.

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A more efficient and sustainable electricity market

The IESO is working with stakeholders to evolve Ontario’s electricity market to improve market efficiency and unlock future opportunities for all participants.

Read about benefits of Market Renewal.

Learn how stakeholders can participate in ongoing engagements.

Panelists speaking at IESO 2017 Stakeholder Summit Get Involved

Indigenous Communities in the Electricity Sector

Indigenous communities actively participate in Ontario’s conservation, generation, and transmission projects. The IESO works with communities to build energy knowledge, participate in the energy sector, and support the connection of remote communities to the provincial power grid.

Learn more about funding opportunities.

Pic River First Nation
Credit: Innergex Renewables Inc.

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Kilowatt Way

Whether you live in an apartment or a house – four quick questions will reveal how you use electricity and show you ways to become more energy efficient.

Visit Kilowatt Way

IESO Stakeholder Summit

The IESO thanks all those who participated in the 2017 Stakeholder Summit on June 12, 2017, in Toronto. Slide presentations and a recorded video of the event are posted on the Summit page.