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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

Planning for Grid Operations

The IESO’s 18-Month Outlook looks at Ontario’s demand forecast, as well as the adequacy of generation and transmission resources over the next 18 months. Read the report and supporting materials.

See also the IESO’s Q2-2017 Conservation Progress Report that highlights results of conservation programs, as well as the IESO's quarterly Contracted Electricity Supply Report.

A group of people in a training session. Sector Participants

Electricity Market Training Courses

Discover the IESO's extensive training resources designed to build your knowledge of Ontario’s electricity markets and programs.

Attend an instructor-led course on topics such as Ontario’s Physical Markets, Settlements or Energy Trading, or learn at your own pace with online training materials. Learn more.

Sector Participants

Final Round of FIT Contracts

The Feed-in Tariff program was developed to encourage and promote greater use of renewable energy resources into Ontario’s supply mix.

The IESO has released its final round of contract offers under this program, offering 390 contracts representing about 150 megawatts (MW) of small-scale renewable generation comprised of solar photovoltaic (PV) and bioenergy projects. Read more.

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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.