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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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Sector Participants

Spring quarterly reports now available

Reliability of Ontario’s electricity system remains positive, says latest 18-Month Outlook. Several initiatives underway to enhance operability and reliability including enabling flexibility through operating reserve and regulation services. Learn more.

See also the Conservation Progress Report highlighting Q4-2017 conservation program results, as well as the IESO’s quarterly Contracted Electricity Supply Report.

Corporate IESO

IESO Signs Gender Diversity Leadership Accord

Peter Gregg, President and CEO of the IESO recently signed the Leadership Accord on Gender Diversity in the Electricity Industry, signalling the IESO’s commitment to promote values of diversity, equality and inclusion in its own workplace and throughout the electricity sector.


Read the full news article.


Sector Participants

Putting Ontario's Long-Term Energy Plan Into Action

The IESO’s Implementation Plan: Putting Ontario’s Long-Term Energy Plan Into Action outlines how the IESO will work with Ontario communities, stakeholders, and First Nations and Métis to implement initiatives in Ontario's 2017 Long-term Energy Plan (LTEP). The wide range of initiatives support Indigenous capacity and leadership, encourage an innovative sector, and deliver a flexible and efficient electricity system.

For more information, see Implementation Plan for 2017 LTEP webpage.

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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