Ontario's Electricity System

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Overview of Ontario’s Electricity Sector

Learn about the role of the IESO, and the various players in Ontario's electricity sector.


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How the IESO manages the electricity market

Watch this short video for an explanation of how an electricity market works in Ontario.


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Ontario's electricity supply mix

Learn more about Ontario's diverse energy supply mix.


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IESO Speaker Series

Ontario's electricity system connects communities across the province - let's start a conversation about your community's electricity needs. Invite the IESO to your next meeting.