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Power Data

Power Data

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

This Hour's Data
Ontario Demand at 9:00 a.m. EST
16,276 MW
Market Demand at 9:00 a.m. EST
17,907 MW
Hourly Output by Fuel Type at 9:00 a.m. EST
Nuclear
9,051 MW
Hydro
4,959 MW
Gas
1,835 MW
Wind
846 MW
Solar
25 MW
Biofuel
0 MW
Hourly Ontario Energy Price at 9:00 a.m. EST
$37.87 / 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 12.15
2 13.37
3 13.37
4 22.59
5 27.18
6 32.75
7 35.14
8 66.06
9 37.87
10 30.06
11 42.50
12 30.47
13 39.96
14 29.49
15 29.12
16 28.00
17 29.22
18 29.32
19 30.27
20 30.29
21 30.62
22 29.78
23 29.69
24 29.31

Price Today

Ontario Demand (MW)

Actual    Projected

HE
1 15,005
2 14,682
3 14,564
4 14,544
5 14,752
6 14,985
7 15,521
8 15,799
9 16,276
10 16,399
11 16,934
12 17,124
13 16,955
14 16,755
15 16,549
16 17,046
17 17,805
18 18,226
19 18,699
20 18,650
21 18,361
22 17,852
23 17,134
24 16,433

Ontario Demand Today

Market Demand (MW)

Actual    Projected

HE
1 17,196
2 16,870
3 17,087
4 17,066
5 17,418
6 17,414
7 17,457
8 17,172
9 17,907
10 18,150
11 18,703
12 19,120
13 18,918
14 19,047
15 18,880
16 19,229
17 19,959
18 20,571
19 21,336
20 21,240
21 20,812
22 20,074
23 19,273
24 18,441

Ontario Market Today

Recent Summaries

Daily

14 Feb 2019

Weekly

23 Jan - 29 Jan 2019

Monthly

Dec 2018

Market Summaries Archive

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

Price Overview

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 18 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

Peak Tracker for Global Adjustment Class A

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