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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 7:00 p.m. EST
17,945 MW
Market Demand at 7:00 p.m. EST
19,033 MW
Hourly Output by Fuel Type at 7:00 p.m. EST
Nuclear
11,668 MW
Hydro
3,793 MW
Gas
1,979 MW
Wind
73 MW
Solar
16 MW
Biofuel
1 MW
Hourly Ontario Energy Price at 7:00 p.m. EST
$23.14 / 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 18.33
2 17.72
3 14.34
4 12.17
5 14.32
6 7.28
7 10.08
8 10.54
9 10.54
10 23.92
11 23.05
12 31.94
13 30.47
14 31.94
15 26.12
16 28.59
17 31.79
18 32.52
19 23.14
20 32.00
21 33.91
22 30.67
23 29.00
24 29.00

Ontario Demand (MW)

Actual    Projected

HE
1 13,330
2 12,679
3 12,329
4 12,199
5 12,222
6 12,260
7 12,587
8 13,315
9 14,114
10 14,985
11 15,567
12 16,238
13 16,549
14 16,793
15 16,986
16 17,447
17 18,064
18 18,218
19 17,945
20 18,335
21 18,027
22 16,990
23 15,633
24 14,579

Market Demand (MW)

Actual    Projected

HE
1 15,357
2 15,128
3 14,943
4 14,672
5 14,729
6 14,892
7 14,887
8 15,408
9 15,952
10 16,738
11 17,619
12 18,395
13 18,452
14 18,629
15 18,702
16 18,842
17 19,632
18 19,407
19 19,033
20 19,738
21 19,086
22 17,765
23 16,758
24 15,730
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 19 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