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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 2:00 a.m. EST
13,886 MW
Market Demand at 2:00 a.m. EST
16,084 MW
Hourly Output by Fuel Type at 2:00 a.m. EST
Nuclear
10,804 MW
Hydro
2,605 MW
Gas
568 MW
Wind
1,362 MW
Solar
0 MW
Biofuel
11 MW
Hourly Ontario Energy Price at 2:00 a.m. EST
$2.38 / MWh
Global Adjustment 1st Estimate (August)
$77.90/ 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 0.48
2 2.38
3 14.34
4 16.00
5 33.23
6 33.24
7 34.17
8 30.00
9 33.72
10 35.49
11 46.71
12 45.19
13 46.71
14 46.81
15 54.62
16 47.06
17 46.43
18 35.61
19 33.33
20 34.23
21 34.21
22 31.48
23 14.38
24 0.00

Ontario Demand (MW)

Actual    Projected

HE
1 14,415
2 13,886
3 13,603
4 13,589
5 14,608
6 15,713
7 16,784
8 17,314
9 17,855
10 18,352
11 18,704
12 18,908
13 19,063
14 19,236
15 19,347
16 19,606
17 19,684
18 19,367
19 19,091
20 19,025
21 18,504
22 17,173
23 15,770
24 14,666

Market Demand (MW)

Actual    Projected

HE
1 16,132
2 16,084
3 16,324
4 16,111
5 16,998
6 17,810
7 18,713
8 19,222
9 19,395
10 19,939
11 20,256
12 20,519
13 20,850
14 20,986
15 21,306
16 21,333
17 21,831
18 21,395
19 20,778
20 20,810
21 20,415
22 18,957
23 17,681
24 15,801
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 17.2
Apr 2018 98.10 100.74 99.59 29.66
May 2018 93.92 131.99 107.93 13.12
Jun 2018 133.36 102.39 118.96 18.34
Jul 2018 85.02 81.23 77.37 30.38
Aug 2018 77.90
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 1.72
Apr 2018 9.81 10.07 9.96 2.97
May 2018 9.39 13.20 10.79 1.31
Jun 2018 13.34 10.24 11.90 1.83
Jul 2018 8.50 8.12 7.74 3.04
Aug 2018 7.79
Sep 2018
Oct 2018
Nov 2018
Dec 2018
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 21 Aug 2018


Rank Date Hour Ending Ontario Demand (MW)* AQEW (MW)
1 05 Jul 2018 16 23,046 22,377
2 04 Jul 2018 19 22,518 22,017
3 03 Jul 2018 19 21,761 21,291
4 16 Jul 2018 12 21,536 20,954
5 15 Jul 2018 18 21,508 20,924
6 24 Jul 2018 17 21,451
7 09 Jul 2018 18 21,412 20,808
8 18 Jun 2018 10 21,369 20,532
9 14 Aug 2018 17 21,362
10 15 Aug 2018 20 21,350

* This column is reflected in the demand chart above