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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 11:00 a.m. EST
14,642 MW
Market Demand at 11:00 a.m. EST
16,174 MW
Hourly Output by Fuel Type at 11:00 a.m. EST
Nuclear
9,219 MW
Hydro
3,891 MW
Gas
1,481 MW
Wind
725 MW
Solar
303 MW
Biofuel
27 MW
Hourly Ontario Energy Price at 11:00 a.m. EST
$43.26 / MWh
Global Adjustment 1st Estimate (April)
$98.10/ 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 24.78
2 31.33
3 34.47
4 43.98
5 39.19
6 50.26
7 50.62
8 62.16
9 44.10
10 45.83
11 43.26
12 36.52
13 35.59
14 33.76
15 46.21
16 46.68
17 48.80
18 43.64
19 48.80
20 56.06
21 56.16
22 56.06
23 43.64
24 40.82

Ontario Demand (MW)

Actual    Projected

HE
1 13,697
2 13,410
3 13,396
4 13,481
5 14,034
6 15,262
7 16,248
8 16,080
9 15,420
10 14,934
11 14,642
12 14,426
13 14,471
14 14,291
15 14,288
16 14,583
17 15,100
18 15,514
19 16,404
20 16,739
21 16,451
22 15,496
23 14,345
24 13,407

Market Demand (MW)

Actual    Projected

HE
1 15,630
2 15,151
3 15,063
4 15,177
5 15,428
6 16,875
7 17,939
8 17,802
9 17,016
10 16,618
11 16,174
12 16,523
13 16,334
14 16,287
15 16,288
16 16,586
17 17,186
18 17,618
19 18,485
20 18,808
21 18,426
22 17,411
23 16,069
24 14,493
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
Jan 2018 87.77 63.70 67.36 32.12
Feb 2018 73.33 77.05 81.67 19.01
Mar 2018 78.77 85.95 94.81
Apr 2018 98.10
May 2018
Jun 2018
Jul 2018
Aug 2018
Sep 2018
Oct 2018
Nov 2018
Dec 2018
Date 1st 2nd Actual Rate Avg. HOEP
Jan 2018 8.78 6.37 6.74 3.21
Feb 2018 7.33 7.71 8.17 1.90
Mar 2018 7.88 8.60 9.48
Apr 2018 9.81
May 2018
Jun 2018
Jul 2018
Aug 2018
Sep 2018
Oct 2018
Nov 2018
Dec 2018
Peak Tracker

Top 10 Ontario Demand Peaks from May 1, 2017 to April 30, 2018

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

as of 20 Apr 2018


Rank Date Hour Ending Ontario Demand (MW)* AQEW (MW)
1 25 Sep 2017 17 21,786 21,171
2 26 Sep 2017 17 21,542 21,039
3 12 Jun 2017 17 21,168 20,702
4 05 Jan 2018 18 20,906 20,238
5 06 Jan 2018 18 20,768 20,046
6 19 Jul 2017 19 20,627 20,024
7 24 Sep 2017 18 20,457 19,854
8 07 Jan 2018 18 20,429 19,683
9 03 Jan 2018 18 20,380 19,887
10 06 Jul 2017 18 20,366 19,869

* This column is reflected in the demand chart above