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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 10:00 a.m. EST
14,027 MW
Market Demand at 10:00 a.m. EST
14,844 MW
Hourly Output by Fuel Type at 10:00 a.m. EST
Nuclear
9,341 MW
Hydro
3,884 MW
Gas
671 MW
Wind
486 MW
Solar
382 MW
Biofuel
18 MW
Hourly Ontario Energy Price at 10:00 a.m. EST
$20.26 / MWh
Global Adjustment 1st Estimate (June)
$45.88/ MWh
Ontario Demand
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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.

Demand Icon

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 19.24
2 21.04
3 42.09
4 14.38
5 14.35
6 15.29
7 38.94
8 27.97
9 22.35
10 20.26
11 31.00
12 27.99
13 32.84
14 31.00
15 28.15
16 32.64
17 32.65
18 32.65
19 34.08
20 32.65
21 34.04
22 32.65
23 32.54
24 14.32

Ontario Demand (MW)

Actual    Projected

HE
1 12,922
2 12,520
3 12,398
4 12,155
5 12,135
6 12,553
7 13,143
8 13,590
9 13,887
10 14,027
11 14,427
12 14,421
13 14,411
14 14,427
15 14,543
16 15,297
17 15,633
18 16,003
19 16,172
20 15,807
21 15,493
22 14,835
23 13,903
24 13,001

Market Demand (MW)

Actual    Projected

HE
1 14,174
2 14,166
3 14,404
4 14,109
5 13,931
6 14,322
7 14,746
8 14,802
9 14,664
10 14,844
11 15,774
12 16,198
13 16,380
14 16,323
15 15,868
16 16,436
17 16,936
18 17,146
19 17,418
20 17,049
21 16,873
22 15,766
23 15,143
24 13,668
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
Jun 2024 45.88
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
Nov 2023 70.40 82.88 70.90 30.42
Oct 2023 73.32 84.33 84.98 31.38
Sep 2023 58.37 74.54 50.93 39.57
Aug 2023 53.77 51.54 76.06 31.36
Jul 2023 99.62 51.05 49.49 40.42
Date 1st 2nd Actual Rate Avg. HOEP
Jun 2024 4.59
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
Nov 2023 7.04 8.29 7.09 3.04
Oct 2023 7.33 8.43 8.50 3.14
Sep 2023 5.84 7.45 5.09 3.96
Aug 2023 5.38 5.15 7.61 3.14
Jul 2023 9.96 5.11 4.95 4.04
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 15 Jun 2024


Rank Date Hour Ending (EST) ICI Ontario Demand* (MW) Coincident Adjusted AQEW (MWh) Status* (Initial, Prelim, Final)
1 04 Jun 2024 18 20,694 20,138 Initial
2 22 May 2024 19 20,436 19,779 Prelim
3 05 Jun 2024 17 20,396 19,734 Initial
4 13 Jun 2024 18 20,297
5 21 May 2024 17 20,229 19,559 Prelim
6 06 Jun 2024 18 18,764 18,287 Initial
7 03 Jun 2024 19 18,655 18,096 Initial
8 23 May 2024 19 18,582 18,124 Prelim
9 24 May 2024 17 18,224 17,642 Prelim
10 14 Jun 2024 18 18,079

*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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