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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 p.m. EST
18,364 MW
Market Demand at 10:00 p.m. EST
20,531 MW
Hourly Output by Fuel Type at 7:00 p.m. EST
Nuclear
9,084 MW
Hydro
5,635 MW
Gas
1,863 MW
Wind
2,582 MW
Solar
0 MW
Biofuel
98 MW
Hourly Ontario Energy Price at 10:00 p.m. EST
$61.02 / MWh
Global Adjustment 1st Estimate (February)
$96.57/ 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.

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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 Icon

Price Overview

Learn about electricity price trends and gain access to historical monthly average prices, global adjustment rates and time-of-use.

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Conservation Icon

Conservation Overview

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

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The Market Day

HOEP ($/MWh)

Dispatch    Pre-Dispatch

HE
1 25.77
2 26.41
3 26.37
4 26.31
5 22.62
6 16.33
7 23.46
8 25.67
9 26.97
10 27.68
11 28.77
12 28.44
13 28.25
14 28.47
15 28.55
16 29.45
17 27.84
18 38.20
19 28.54
20 31.38
21 32.56
22 26.65
23 26.98
24 26.39

Ontario Demand (MW)

Actual    Projected

HE
1 16,028
2 15,658
3 15,474
4 15,403
5 15,393
6 15,802
7 17,113
8 18,090
9 18,330
10 18,476
11 18,356
12 18,127
13 17,626
14 17,542
15 17,678
16 17,981
17 18,449
18 19,287
19 19,452
20 19,195
21 18,917
22 18,210
23 17,076
24 15,896

Market Demand (MW)

Actual    Projected

HE
1 17,536
2 17,380
3 17,566
4 17,834
5 17,464
6 17,995
7 19,562
8 20,318
9 20,633
10 20,785
11 20,957
12 20,588
13 20,405
14 20,465
15 20,499
16 20,226
17 20,395
18 20,699
19 20,952
20 20,817
21 20,502
22 20,641
23 19,197
24 17,897
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
Feb 2019 96.57
Jan 2019 67.41 83.06 80.92 27.82
Dec 2018 91.98 70.67 74.04 27.89
Nov 2018 122.35 105.40 98.55 25.14
Oct 2018 89.21 119.98 120.59 13.84
Sep 2018 84.24 86.60 85.84 29.94
Aug 2018 77.90 73.24 74.90 30.59
Jul 2018 85.02 81.23 77.37 30.38
Jun 2018 133.36 102.39 118.96 18.34
May 2018 93.92 131.99 107.93 13.12
Apr 2018 98.10 100.74 99.59 29.66
Mar 2018 78.77 85.95 94.81 17.2
Date 1st 2nd Actual Rate Avg. HOEP
Feb 2019 9.66
Jan 2019 6.74 8.31 8.09 2.78
Dec 2018 9.20 7.07 7.40 2.79
Nov 2018 12.24 10.54 9.86 2.51
Oct 2018 8.92 12.00 12.06 1.38
Sep 2018 8.42 8.66 8.58 2.99
Aug 2018 7.79 7.32 7.49 3.06
Jul 2018 8.50 8.12 7.74 3.04
Jun 2018 13.34 10.24 11.90 1.83
May 2018 9.39 13.20 10.79 1.31
Apr 2018 9.81 10.07 9.96 2.97
Mar 2018 7.88 8.60 9.48 1.72
Peak Tracker

Top 10 Ontario Demand Peaks from May 1, 2018 to April 30, 2019

New Ontario demand records are updated in real time. Verified Ontario demand values (AQEW) published 20 business days later.

as of 20 Feb 2019


Rank Date Hour Ending Ontario Demand (MW)* AQEW (MW)
1 05 Sep 2018 18 23,240 22,399
2 05 Jul 2018 16 23,046 22,377
3 04 Jul 2018 19 22,518 22,017
4 28 Aug 2018 17 21,990 21,644
5 04 Sep 2018 17 21,885 21,379
6 03 Jul 2018 19 21,761 21,291
7 16 Jul 2018 12 21,536 20,954
8 21 Jan 2019 18 21,525 20,829
9 15 Jul 2018 18 21,508 20,924
10 24 Jul 2018 17 21,451 20,943

* This column is reflected in the demand chart above