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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 7:00 a.m. EST
15,125 MW
Market Demand at 7:00 a.m. EST
17,521 MW
Hourly Output by Fuel Type at 7:00 a.m. EST
Nuclear
12,122 MW
Hydro
3,735 MW
Gas
1,139 MW
Wind
497 MW
Solar
53 MW
Biofuel
50 MW
Hourly Ontario Energy Price at 7:00 a.m. EST
$5.79 / MWh
Global Adjustment 1st Estimate (July)
$103.05/ 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.

Conservation Icon

Conservation Overview

Learn about the progress made by Ontario's electricity conservation and demand response programs.

The Market Day

HOEP ($/MWh)

Dispatch    Pre-Dispatch

HE
1 7.91
2 3.74
3 -0.75
4 0.44
5 0.00
6 -2.93
7 5.79
8 17.99
9 18.00
10 18.03
11 20.30
12 20.30
13 21.49
14 22.84
15 24.55
16 25.80
17 25.83
18 28.13
19 25.83
20 22.91
21 23.65
22 20.73
23 20.20
24 17.34

Ontario Demand (MW)

Actual    Projected

HE
1 14,425
2 13,659
3 13,264
4 13,118
5 13,237
6 13,799
7 15,124
8 17,477
9 18,484
10 19,537
11 20,303
12 20,646
13 21,076
14 21,287
15 21,402
16 21,643
17 22,090
18 22,159
19 21,785
20 21,271
21 20,942
22 20,041
23 18,450
24 16,939

Market Demand (MW)

Actual    Projected

HE
1 17,081
2 16,503
3 16,284
4 16,561
5 16,911
6 16,772
7 17,521
8 19,740
9 20,860
10 21,972
11 22,854
12 23,227
13 24,135
14 24,423
15 24,396
16 24,679
17 25,154
18 25,073
19 24,692
20 24,108
21 23,626
22 22,382
23 20,769
24 18,404
Recent Summaries

Daily

Monthly

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.


Date 1st 2nd Actual Rate Avg. HOEP
Jul 2020 103.05
Jun 2020 115.00 115.00
May 2020 92.93 115.00 115.00 8.25
Apr 2020 137.07 115.00 115.00 6.05
Mar 2020 104.32 112.12 119.42 13.93
Feb 2020 124.51 114.35 113.31 14.52
Jan 2020 83.23 99.93 102.32 14.82
Dec 2019 85.69 90.66 93.21 21.91
Nov 2019 107.27 101.09 99.53 20.71
Oct 2019 178.78 118.86 136.80 7.25
Sep 2019 129.34 163.92 122.63 14.34
Aug 2019 72.11 109.74 126.07 16.13
Date 1st 2nd Actual Rate Avg. HOEP
Jul 2020 10.31
Jun 2020 11.50 11.50
May 2020 9.29 11.50 11.50 0.83
Apr 2020 13.71 11.50 11.50 0.61
Mar 2020 10.43 11.21 11.94 1.39
Feb 2020 12.45 11.44 11.33 1.45
Jan 2020 8.32 9.99 10.23 1.48
Dec 2019 8.57 9.07 9.32 2.19
Nov 2019 10.73 10.11 9.95 2.07
Oct 2019 17.88 11.89 13.68 0.73
Sep 2019 12.93 16.39 12.26 1.43
Aug 2019 7.21 10.97 12.61 1.61
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.

as of 2 Jul 2020


Rank Date Hour Ending (EST) Ontario Demand (MW) Coincident Adjusted AQEW (MWh) *Status (Initial, Prelim, Final)
1 29 Jun 2020 18 21,292
2 30 Jun 2020 17 20,723
3 26 May 2020 17 20,649 20,062 Final
4 22 Jun 2020 16 20,632 20,023 Initial
5 10 Jun 2020 18 20,511 20,047 Prelim
6 01 Jul 2020 18 20,280
7 20 Jun 2020 18 19,957 19,545 Initial
8 19 Jun 2020 17 19,919 19,442 Initial
9 21 Jun 2020 17 19,904 19,399 Initial
10 27 May 2020 18 19,887 19,551 Final

*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.