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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 9:00 a.m. EST
16,673 MW
Market Demand at 9:00 a.m. EST
19,251 MW
Hourly Output by Fuel Type at 9:00 a.m. EST
Nuclear
10,327 MW
Hydro
3,928 MW
Gas
2,514 MW
Wind
482 MW
Solar
162 MW
Biofuel
24 MW
Hourly Ontario Energy Price at 9:00 a.m. EST
$73.13 / MWh
Global Adjustment 1st Estimate (August)
$48.71/ 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.

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.

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 36.32
2 21.22
3 85.91
4 63.84
5 31.78
6 32.92
7 67.70
8 73.05
9 73.13
10 75.93
11 75.87
12 75.77
13 78.05
14 107.05
15 104.81
16 107.05
17 131.20
18 121.23
19 118.80
20 108.06
21 108.06
22 75.87
23 74.72
24 71.17

Ontario Demand (MW)

Actual    Projected

HE
1 15,375
2 14,344
3 14,049
4 13,778
5 14,080
6 14,732
7 15,648
8 16,378
9 16,673
10 17,588
11 17,714
12 17,883
13 18,162
14 18,441
15 18,870
16 19,314
17 19,702
18 19,472
19 19,117
20 18,661
21 17,954
22 16,858
23 15,622
24 14,722

Market Demand (MW)

Actual    Projected

HE
1 17,741
2 16,648
3 16,326
4 16,203
5 16,556
6 17,231
7 17,891
8 18,829
9 19,251
10 20,439
11 20,510
12 20,842
13 20,872
14 21,062
15 21,323
16 21,780
17 22,270
18 22,031
19 21,616
20 21,273
21 20,467
22 19,339
23 17,963
24 15,891
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
Aug 2022 48.71
Jul 2022 84.75 37.04
Jun 2022 82.93 87.64 78.68 38.94
May 2022 59.68 86.85 84.75 33.2
Apr 2022 59.15 86.40 82.93 29.03
Mar 2022 55.00 53.86 59.41 38.24
Feb 2022 50.19 53.25 52.46 40.83
Jan 2022 48.29 45.14 43.53 44.25
Dec 2021 49.02 54.15 59.68 35.56
Nov 2021 57.30 52.62 54.17 40.44
Oct 2021 66.43 61.86 52.44 39.95
Sep 2021 50.42 65.82 75.65 30.68
Date 1st 2nd Actual Rate Avg. HOEP
Aug 2022 4.87
Jul 2022 8.48 3.70
Jun 2022 8.29 8.76 7.87 3.89
May 2022 5.97 8.69 8.48 3.32
Apr 2022 5.92 8.64 8.29 2.90
Mar 2022 5.50 5.39 5.94 3.82
Feb 2022 5.02 5.33 5.25 4.08
Jan 2022 4.83 4.51 4.35 4.43
Dec 2021 4.90 5.42 5.97 3.56
Nov 2021 5.73 5.26 5.42 4.04
Oct 2021 6.64 6.19 5.24 4.00
Sep 2021 5.04 6.58 7.57 3.07
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 9 Aug 2022


Rank Date Hour Ending (EST) ICI Ontario Demand* (MW) Coincident Adjusted AQEW (MWh) Status* (Initial, Prelim, Final)
1 19 Jul 2022 18 22,607 22,129 Prelim
2 22 Jun 2022 17 21,954 21,340 Final
3 20 Jul 2022 16 21,850 21,393 Prelim
4 07 Aug 2022 17 21,778
5 06 Aug 2022 18 21,761
6 08 Aug 2022 15 21,560
7 16 Jun 2022 17 21,500 20,778 Final
8 23 Jul 2022 17 21,423 20,689 Prelim
9 21 Jul 2022 17 21,379 20,895 Prelim
10 22 Jul 2022 18 21,367 21,011 Prelim

*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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