Independent Electricity System Operator
120 Adelaide Street West
Toronto, ON M5H 1T1
About Independent Electricity System Operator (IESO)
The Independent Electricity System Operator (IESO) works at the heart of Ontario’s power system, delivering key services across the electricity sector including managing the power system in real-time, working with communities to plan for the province’s future energy needs, enabling conservation and designing a more efficient electricity marketplace to support sector evolution. Visit IESO’s website to learn about the East Regional Electricity Network or a regional electricity network for your area, or contact IESO staff to learn how to be part of the important dialogue about your community’s energy future.