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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 2:00 p.m. EST
19,404 MW
Market Demand at 2:00 p.m. EST
22,231 MW
Hourly Output by Fuel Type at 2:00 p.m. EST
Nuclear
10,375 MW
Hydro
4,286 MW
Gas
3,479 MW
Wind
3,961 MW
Solar
35 MW
Biofuel
76 MW
Hourly Ontario Energy Price at 2:00 p.m. EST
$52.89 / MWh
Global Adjustment 1st Estimate (January)
$83.92/ 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.

Price Icon

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 37.62
2 24.41
3 14.35
4 14.32
5 8.02
6 37.42
7 48.69
8 49.01
9 51.26
10 50.99
11 52.54
12 52.92
13 52.56
14 53.02
15 53.19
16 53.16
17 53.00
18 53.11
19 53.11
20 53.10
21 53.00
22 53.10
23 52.94
24 53.11

Ontario Demand (MW)

Actual    Projected

HE
1 15,650
2 15,101
3 14,929
4 15,127
5 15,238
6 15,848
7 16,963
8 18,250
9 18,879
10 19,026
11 19,130
12 19,295
13 19,291
14 19,404
15 19,536
16 19,720
17 20,204
18 20,697
19 20,416
20 20,116
21 19,653
22 19,044
23 18,107
24 17,194

Market Demand (MW)

Actual    Projected

HE
1 18,316
2 17,687
3 17,352
4 17,621
5 18,010
6 18,994
7 20,127
8 21,144
9 21,948
10 21,946
11 21,945
12 22,159
13 22,216
14 22,231
15 23,424
16 23,505
17 23,667
18 24,489
19 24,331
20 23,922
21 23,268
22 22,597
23 21,560
24 20,150
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
Jan 2025 83.92
Dec 2024 79.28 52.77 39.42
Nov 2024 76.80 89.48 89.04 30.33
Oct 2024 81.71 64.78 74.84 33.75
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
Date 1st 2nd Actual Rate Avg. HOEP
Jan 2025 8.39
Dec 2024 7.93 5.28 3.94
Nov 2024 7.68 8.95 8.90 3.03
Oct 2024 8.17 6.48 7.48 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
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 13 Jan 2025


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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