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Power Data

Power Data

This section provides easy access to market data, including real-time and historical reports.

Ontario Demand at 11:00 a.m. EST
15,499 MW
Market Demand at 11:00 a.m. EST
17,479 MW
Hourly Output by Fuel Type at 11:00 a.m. EST
Nuclear
8,587 MW
Hydro
4,615 MW
Gas
2,108 MW
Wind
1,874 MW
Solar
315 MW
Biofuel
14 MW
Hourly Ontario Energy Price at 11:00 a.m. EST
$18.94 / MWh
Global Adjustment 1st Estimate (November)
$76.80/ MWh
Ontario Demand
Market Demand
Compare With
Compare With
Compare With Ontario Demand
Compare With Market Demand

Download XML: Demand | Supply | Price

Data Directory

A collection of all reports provided on the IESO Public Reports site as well as access to historical data.

The IESO uses the "Hour Ending" naming convention for the hours in a day. For example, Hour 1 is from 12 am. to 1 am., Hour 2 is from 1 am. to 2 am. Hours 1-24 are the hours from midnight one day through midnight the next day. Eastern Standard Time is used year round.

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Demand Overview

Read more about Ontario’s electricity demand records, forecasts and related real-time reports.

Supply Icon

Supply Overview

Get current and historical data for Ontario's transmission and distribution level supply and yearly import/export data.

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Price Overview

Learn about electricity price trends and gain access to historical monthly average prices, global adjustment rates and time-of-use.

The Market Day

HOEP ($/MWh)

Dispatch    Pre-Dispatch

HE
1 9.93
2 12.98
3 13.93
4 10.96
5 8.81
6 16.40
7 48.07
8 29.31
9 28.30
10 18.76
11 18.94
12 24.67
13 28.52
14 29.94
15 70.00
16 80.00
17 80.65
18 80.00
19 80.00
20 80.00
21 79.35
22 70.28
23 33.31
24 42.84

Ontario Demand (MW)

Actual    Projected

HE
1 13,728
2 13,425
3 13,302
4 13,477
5 13,749
6 14,300
7 15,771
8 16,928
9 16,789
10 16,012
11 15,499
12 15,871
13 15,701
14 15,813
15 16,706
16 17,649
17 18,148
18 18,718
19 18,460
20 18,172
21 17,815
22 17,167
23 16,300
24 15,451

Market Demand (MW)

Actual    Projected

HE
1 16,578
2 16,092
3 15,981
4 15,982
5 16,424
6 17,059
7 18,495
8 18,936
9 18,532
10 17,759
11 17,479
12 18,188
13 18,027
14 18,157
15 18,472
16 18,686
17 19,062
18 19,728
19 19,443
20 19,217
21 19,103
22 18,571
23 18,011
24 17,206
Global Adjustment Rates

Global Adjustment (GA) Rates and Average Hourly Ontario Energy Price

*Preliminary values for average HOEP will be available soon after month end, and can be confirmed in the Monthly Market Report. Global Adjustment values will be finalized 10 business days after month end.

This table does not include the GA deferral recovery amounts for 2021. More information on the 2021 GA estimates and actual recovery rates are on the Class B GA and GA components and costs web pages.


Date 1st 2nd Actual Rate Avg. HOEP
Nov 2024 76.80
Oct 2024 81.71 64.78 33.76
Sep 2024 67.50 86.69 79.28 31.72
Aug 2024 55.52 53.75 63.23 38.71
Jul 2024 45.88 64.55 63.71 37.79
Jun 2024 45.88 74.30 78.40 31.39
May 2024 45.88 79.76 77.63 28.36
Apr 2024 84.98 69.05 74.27 29.14
Mar 2024 83.66 83.10 81.71 28.88
Feb 2024 84.98 68.68 66.32 28.36
Jan 2024 54.13 50.10 45.88 43.29
Dec 2023 83.40 67.59 66.22 30.94
Date 1st 2nd Actual Rate Avg. HOEP
Nov 2024 7.68
Oct 2024 8.17 6.48 3.38
Sep 2024 6.75 8.67 7.93 3.17
Aug 2024 5.55 5.38 6.32 3.87
Jul 2024 4.59 6.46 6.37 3.78
Jun 2024 4.59 7.43 7.84 3.14
May 2024 4.59 7.98 7.76 2.84
Apr 2024 8.50 6.91 7.43 2.91
Mar 2024 8.37 8.31 8.17 2.89
Feb 2024 8.50 6.87 6.63 2.84
Jan 2024 5.41 5.01 4.59 4.33
Dec 2023 8.34 6.76 6.62 3.09
ICI Ontario Demand Peak Tracker

Top 10 peak hours and ICI Ontario demand values with coincident adjusted AQEW values to date

Real-time snapshot of the top 10 peak hours and ICI Ontario demand values with coincident adjusted AQEW values for the current base period. This information can be used by ICI customers to track ICI Ontario demand peaks and estimate their GA allocation for the peak hour.

Peak Tracker

as of 12 Nov 2024


Rank Date Hour Ending (EST) ICI Ontario Demand* (MW) Coincident Adjusted AQEW (MWh) Status* (Initial, Prelim, Final)
1 19 Jun 2024 17 23,852 23,074 Final
2 31 Jul 2024 17 23,356 22,469 Final
3 01 Aug 2024 17 23,179 22,392 Final
4 18 Jun 2024 16 23,097 22,407 Final
5 27 Aug 2024 17 22,750 21,880 Final
6 20 Jun 2024 16 22,486 21,681 Final
7 26 Aug 2024 17 22,466 21,787 Final
8 30 Jul 2024 19 22,371 21,555 Final
9 29 Jul 2024 17 22,245 21,440 Final
10 02 Aug 2024 18 22,103 21,508 Final

*ICI Ontario Demand Status: Initial peak values are published in orange approx. 1 hour following the end of the trade hour. Final peak values are published in black by the end of 3 business days following initial publication. *Coincident Adjusted AQEW Status: Initial data is published 7 calendar days after the trade date. Preliminary data is published 10 business days after the trade date. Final data is published 20 business days after the trade date. A blank column indicates adjusted AQEW values are not yet available.

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