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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 6:00 a.m. EST
13,475 MW
Market Demand at 6:00 a.m. EST
15,536 MW
Hourly Output by Fuel Type at 6:00 a.m. EST
Nuclear
10,222 MW
Hydro
3,414 MW
Gas
259 MW
Wind
744 MW
Solar
0 MW
Biofuel
0 MW
Hourly Ontario Energy Price at 6:00 a.m. EST
$12.72 / MWh
Global Adjustment 1st Estimate (February)
$73.33/ 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.

Learn more >
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 6.05
2 5.39
3 8.54
4 12.72
5 12.73
6 12.72
7 13.33
8 13.37
9 29.96
10 29.96
11 29.96
12 29.96
13 29.96
14 22.22
15 13.38
16 22.22
17 25.01
18 26.19
19 29.06
20 22.22
21 13.34
22 6.08
23 0.00
24 0.00

Ontario Demand (MW)

Actual    Projected

HE
1 13,936
2 13,471
3 13,289
4 13,128
5 13,297
6 13,475
7 14,172
8 14,481
9 15,050
10 15,452
11 15,498
12 15,472
13 15,295
14 15,048
15 15,009
16 15,278
17 15,700
18 16,628
19 17,006
20 16,786
21 16,307
22 15,721
23 14,972
24 14,129

Market Demand (MW)

Actual    Projected

HE
1 16,035
2 15,984
3 15,961
4 15,604
5 15,356
6 15,536
7 16,636
8 16,988
9 17,603
10 18,156
11 17,801
12 17,710
13 17,525
14 17,282
15 17,163
16 17,527
17 17,957
18 18,904
19 19,308
20 19,089
21 18,668
22 18,045
23 17,304
24 16,405
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
Mar 2018
Apr 2018
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
Mar 2018
Apr 2018
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 24 Feb 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