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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 4:00 a.m. EST
13,462 MW
Market Demand at 4:00 a.m. EST
15,483 MW
Hourly Output by Fuel Type at 4:00 a.m. EST
Nuclear
9,448 MW
Hydro
2,594 MW
Gas
303 MW
Wind
1,557 MW
Solar
0 MW
Biofuel
12 MW
Hourly Ontario Energy Price at 4:00 a.m. EST
$11.14 / 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 14.41
2 17.05
3 32.89
4 11.14
5 51.21
6 96.21
7 85.59
8 58.24
9 48.61
10 48.61
11 48.12
12 48.62
13 48.61
14 48.12
15 44.49
16 44.49
17 48.61
18 50.05
19 53.91
20 67.88
21 63.65
22 50.06
23 50.06
24 50.05

Ontario Demand (MW)

Actual    Projected

HE
1 13,494
2 13,285
3 13,190
4 13,462
5 14,515
6 15,683
7 16,271
8 16,500
9 16,250
10 16,100
11 16,060
12 15,900
13 15,800
14 15,700
15 15,700
16 16,000
17 16,350
18 16,550
19 17,362
20 17,664
21 17,345
22 16,337
23 15,178
24 14,312

Market Demand (MW)

Actual    Projected

HE
1 15,176
2 15,139
3 15,449
4 15,483
5 16,478
6 17,231
7 17,802
8 18,470
9 18,503
10 18,518
11 18,445
12 18,269
13 18,154
14 17,941
15 17,884
16 17,936
17 18,351
18 18,733
19 19,423
20 19,888
21 19,460
22 17,986
23 17,027
24 15,319
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 19 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