Today’s Ontario Demand Forecast
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Hour Ending (EST) | Forecast Ontario Demand (MW) |
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Hour Ending (EST) | Forecast Ontario Demand (MW) |
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Forecasted Peak Ontario Demand for the Next Six Days
Real-time Ontario Demand is the best indicator of the peaks in the short term. The IESO publishes the daily forecasted Ontario peak demand and hour looking out over the next six days.
Date | Hour Ending (EST) | Maximum Forecasted Ontario Demand (MW) | Link |
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Additional Adequacy Reports can be accessed from the IESO Reports Site.
Ontario Demand Peak Tracker
Top 10 Ontario demand peaks with coincident adjusted AQEW values to date
Real-time snapshot of the highest Ontario demand values with coincident adjusted AQEW values for the current base period that can be used to track potential ICI peak hours. The status column indicates whether the coincident adjusted AQEW value is Initial, Preliminary or Final.
Rank | Date | Hour Ending (EST) | Ontario Demand (MW) | Coincident Adjusted AQEW (MWh) | *Status (Initial, Prelim, Final) |
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Current Status Adjusted AQEW Peak Tracker
Top 10 adjusted AQEW peaks to date
This table tracks indicative adjusted AQEW peaks based on Initial, Preliminary and Final data. Initial and Preliminary adjusted AQEW values are subject to change, and only final adjusted AQEW values are used to confirm ICI peaks.
Adjusted AQEW values include the total AQEW consumption during the hour and omit the net energy withdrawn by Beck PGS, Fort Frances, and for ancillary services.
Rank | Date | Hour Ending (EST) | Adjusted AQEW (MWh) | *Status (Initial, Prelim, Final) |
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Final Adjusted AQEW (ICI) Peak Tracker
Top 10 final adjusted AQEW peaks to date
ICI peak hours are confirmed using Final adjusted AQEW values. Class A customers are billed GA based on their contribution to the top 5 peak hours. These values are published 20 business days after the trade date and only the highest demand hour of the day is used.
Adjusted AQEW values include the total AQEW consumption during the hour and omit the net energy withdrawn by Beck PGS, Fort Frances, and for ancillary services.
Rank | Date | Hour Ending (EST) | Final Adjusted AQEW (MWh) |
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Energy management
Learn about reducing your peak demand through IESO's brochure, The Bottom Line on Energy Management: Making Ontario's Electricity Market Work for Your Business or by contacting your distributor. By reducing their energy use during system peaks, businesses will pay lower global adjustment costs next year.