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

Ontario Demand at 7:00 p.m. EST
17,723 MW
Market Demand at 7:00 p.m. EST
18,859 MW
Hourly Output by Fuel Type at 7:00 p.m. EST
Nuclear
10,935 MW
Hydro
5,222 MW
Gas
742 MW
Wind
225 MW
Solar
59 MW
Biofuel
27 MW
Hourly Ontario Energy Price at 7:00 p.m. EST
$22.61 / MWh
Global Adjustment 1st Estimate (July)
$106.52/ 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 -1.00
2 -1.51
3 -2.76
4 -3.08
5 -3.03
6 1.97
7 9.72
8 8.51
9 6.13
10 10.91
11 14.32
12 14.32
13 14.36
14 14.37
15 15.77
16 22.85
17 23.82
18 27.97
19 22.61
20 25.71
21 20.02
22 14.38
23 14.35
24 13.02

Ontario Demand (MW)

Actual    Projected

HE
1 12,468
2 12,122
3 11,912
4 11,872
5 12,234
6 13,096
7 14,343
8 14,942
9 15,074
10 15,203
11 15,525
12 15,710
13 15,911
14 16,143
15 16,432
16 16,889
17 17,363
18 17,601
19 17,722
20 17,397
21 17,376
22 16,299
23 14,797
24 13,671

Market Demand (MW)

Actual    Projected

HE
1 14,768
2 14,650
3 14,661
4 14,602
5 14,545
6 15,308
7 16,440
8 17,120
9 17,356
10 17,276
11 17,652
12 17,980
13 18,217
14 18,162
15 18,233
16 18,648
17 18,778
18 18,951
19 18,859
20 18,652
21 18,620
22 17,962
23 17,092
24 15,966
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 2017 66.87 86.77 82.27 21.56
Feb 2017 105.59 84.30 86.39 21.11
Mar 2017 84.09 68.86 71.35 26.03
Apr 2017 68.74 102.18 107.78 11.14
May 2017 106.23 127.76 123.07 3.17
Jun 2017 119.54 125.63 118.48 5.89
Jul 2017 106.52
Aug 2017
Sep 2017
Oct 2017
Nov 2017
Dec 2017
Date 1st 2nd Actual Rate Avg. HOEP
Jan 2017 6.69 8.68 8.23 2.16
Feb 2017 10.56 8.43 8.64 2.11
Mar 2017 8.41 6.89 7.14 2.60
Apr 2017 6.87 10.22 10.78 1.11
May 2017 10.62 12.78 12.31 0.32
Jun 2017 11.95 12.56 11.85 0.59
Jul 2017 10.65
Aug 2017
Sep 2017
Oct 2017
Nov 2017
Dec 2017
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 25 Jul 2017


Rank Date Hour Ending Ontario Demand (MW)* AQEW (MW)
1 12 Jun 2017 17 21,168 20,702
2 19 Jul 2017 19 20,627
3 06 Jul 2017 18 20,366
4 11 Jul 2017 18 20,302
5 21 Jul 2017 17 20,192
6 18 Jul 2017 19 20,071
7 07 Jul 2017 17 19,911
8 12 Jul 2017 13 19,600
9 16 Jun 2017 17 19,452 18,921
10 05 Jul 2017 19 19,365

* This column is reflected in the demand chart above