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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 8:00 a.m. EST
18,848 MW
Market Demand at 8:00 a.m. EST
19,671 MW
Hourly Output by Fuel Type at 8:00 a.m. EST
Nuclear
11,111 MW
Hydro
3,558 MW
Gas
2,317 MW
Wind
504 MW
Solar
153 MW
Biofuel
28 MW
Hourly Ontario Energy Price at 8:00 a.m. EST
$30.59 / MWh
Global Adjustment 1st Estimate (July)
$85.02/ 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 22.49
2 17.80
3 16.65
4 14.37
5 14.33
6 10.31
7 27.16
8 30.59
9 57.23
10 33.26
11 37.95
12 46.00
13 54.00
14 65.86
15 46.01
16 46.00
17 54.00
18 46.00
19 46.01
20 46.00
21 39.51
22 32.63
23 31.24
24 14.38

Ontario Demand (MW)

Actual    Projected

HE
1 15,942
2 15,280
3 14,822
4 14,692
5 14,971
6 15,829
7 17,512
8 18,848
9 20,613
10 20,975
11 21,500
12 21,950
13 22,350
14 22,525
15 22,700
16 22,800
17 23,203
18 23,074
19 22,765
20 22,350
21 21,902
22 20,829
23 19,213
24 17,661

Market Demand (MW)

Actual    Projected

HE
1 17,361
2 16,949
3 16,656
4 16,612
5 16,562
6 16,779
7 18,380
8 19,671
9 21,526
10 22,210
11 22,968
12 23,333
13 23,642
14 23,671
15 23,996
16 24,176
17 24,045
18 23,902
19 23,484
20 22,885
21 22,644
22 21,987
23 20,222
24 18,254
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 18.34
Jul 2018 85.02
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 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 1.83
Jul 2018 8.50
Aug 2018
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 16 Jul 2018


Rank Date Hour Ending Ontario Demand (MW)* AQEW (MW)
1 05 Jul 2018 16 23,046
2 04 Jul 2018 19 22,518
3 03 Jul 2018 19 21,761
4 15 Jul 2018 18 21,508
5 09 Jul 2018 18 21,412
6 18 Jun 2018 10 21,369 20,532
7 29 Jun 2018 17 21,159
8 10 Jul 2018 16 21,077
9 02 Jul 2018 17 21,012
10 13 Jul 2018 14 20,933

* This column is reflected in the demand chart above