Skip Links
Power Data

Power Data

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

Ontario Demand at 5:00 a.m. EST
13,210 MW
Market Demand at 5:00 a.m. EST
15,225 MW
Hourly Output by Fuel Type at 5:00 a.m. EST
Nuclear
9,186 MW
Hydro
4,649 MW
Gas
593 MW
Wind
275 MW
Solar
0 MW
Biofuel
0 MW
Hourly Ontario Energy Price at 5:00 a.m. EST
$25.01 / MWh
Global Adjustment 1st Estimate (November)
$116.70/ 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 18.31
2 13.68
3 15.38
4 23.80
5 25.01
6 13.30
7 28.20
8 27.92
9 25.00
10 26.17
11 23.61
12 14.39
13 14.37
14 13.00
15 9.94
16 26.18
17 28.73
18 26.17
19 14.37
20 5.94
21 4.83
22 0.00
23 0.00
24 -3.00

Ontario Demand (MW)

Actual    Projected

HE
1 13,205
2 13,088
3 12,887
4 12,906
5 13,210
6 13,550
7 14,645
8 15,128
9 15,138
10 15,002
11 14,750
12 14,485
13 14,193
14 13,977
15 14,169
16 15,077
17 15,836
18 16,209
19 15,840
20 15,402
21 14,749
22 14,036
23 13,367
24 12,801

Market Demand (MW)

Actual    Projected

HE
1 15,263
2 15,111
3 14,859
4 14,975
5 15,225
6 15,823
7 16,639
8 17,032
9 17,462
10 17,162
11 17,250
12 16,912
13 16,584
14 16,331
15 16,558
16 17,614
17 18,402
18 18,759
19 18,346
20 17,867
21 17,067
22 16,324
23 15,634
24 13,719
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
Nov 2020 116.70
Oct 2020 149.54 132.66
Sep 2020 115.73 127.92 121.76 14.38
Aug 2020 102.32 106.22 103.48 19.42
Jul 2020 103.05 94.93 99.02 20.5
Jun 2020 115.00 115.00 115.00 12.49
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
Date 1st 2nd Actual Rate Avg. HOEP
Nov 2020 11.67
Oct 2020 14.95 13.27
Sep 2020 11.57 12.79 12.18 1.44
Aug 2020 10.23 10.62 10.35 1.94
Jul 2020 10.31 9.49 9.90 2.05
Jun 2020 11.50 11.50 11.50 1.25
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
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 31 Oct 2020


Rank Date Hour Ending (EST) Ontario Demand (MW) Coincident Adjusted AQEW (MWh) *Status (Initial, Prelim, Final)
1 09 Jul 2020 17 24,446 23,936 Final
2 07 Jul 2020 17 24,281 23,558 Final
3 08 Jul 2020 18 24,050 23,240 Final
4 27 Jul 2020 17 23,910 23,319 Final
5 10 Aug 2020 18 23,823 23,077 Final
6 10 Jul 2020 13 23,791 23,198 Final
7 24 Aug 2020 17 23,415 22,767 Final
8 06 Jul 2020 17 23,191 22,614 Final
9 26 Jul 2020 18 22,887 22,098 Final
10 03 Jul 2020 18 22,522 21,901 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.