Independent Electricity System Operator

Part of Government of Canada

The Independent Electricity System Operator is tasked with ensuring the reliable, secure, and efficient operation of Ontario’s electricity grid through strategic planning, market administration, and infrastructure oversight. Its core mission centers on maintaining grid stability, facilitating competitive electricity markets, and enabling the integration of emerging technologies such as renewable generation and demand-side response systems.

Independent Electricity System Operator is a government agency with procurement activity across contracts, awards, and contractors.