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Investing in energy efficiency provides opportunities beyond energy savings.
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Indigenous communities are increasingly playing an active role in Ontario's energy sector.
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Updates and resources for Ontario's microFIT Program are available here.
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Provide input and feedback on proposed changes affecting Ontario's electricity sector.
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A collection of all reports provided on the IESO Public Reports site as well as access to historical data.
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Monthly summaries of market activity.
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Follow the Peak Tracker to monitor forecasted Ontario demand for the next 24 hours.
Demand Overview
Read more about Ontario’s electricity demand records, forecasts and related real-time reports.
Supply Overview
Get current and historical data for Ontario’s transmission and distribution level supply and yearly import/export data.
Price Overview
Learn how electricity prices are determined in Ontario’s electricity market, including global adjustment rates and time-of-use.
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Annual Planning Outlook Demand Forecast and Demand Scenarios webinar
Annual Planning Outlook Demand Forecast and Demand Scenarios webinar
18 Nov 2025
Annual Planning Outlook
