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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 5:00 a.m. EST
12,071 MW
Market Demand at 5:00 a.m. EST
14,604 MW
Hourly Output by Fuel Type at 4:00 a.m. EST
Nuclear
9,912 MW
Hydro
3,141 MW
Gas
171 MW
Wind
692 MW
Solar
0 MW
Biofuel
11 MW
Hourly Ontario Energy Price at 5:00 a.m. EST
$2.42 / MWh
Global Adjustment 1st Estimate (June)
$133.36/ 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 3.79
2 3.40
3 0.77
4 3.34
5 0.00
6 14.34
7 13.00
8 13.00
9 13.01
10 18.60
11 14.39
12 14.37
13 33.02
14 33.02
15 33.02
16 35.23
17 36.63
18 35.23
19 36.69
20 36.42
21 35.24
22 14.36
23 13.00
24 4.15

Price Today

Ontario Demand (MW)

Actual    Projected

HE
1 12,168
2 11,830
3 11,675
4 11,740
5 12,089
6 13,804
7 14,456
8 14,844
9 15,006
10 15,154
11 15,297
12 15,441
13 15,546
14 15,658
15 15,779
16 16,336
17 16,835
18 17,122
19 17,105
20 16,988
21 16,595
22 15,420
23 14,152
24 13,119

Ontario Demand Today

Market Demand (MW)

Actual    Projected

HE
1 14,722
2 14,333
3 14,282
4 14,281
5 15,020
6 16,473
7 16,873
8 17,001
9 17,179
10 17,317
11 17,442
12 17,498
13 17,835
14 18,057
15 18,182
16 18,745
17 19,196
18 19,471
19 19,359
20 19,249
21 18,803
22 17,466
23 16,269
24 14,645

Ontario Market Today

Recent Summaries

Daily

21 Jun 2018

Weekly

13 Jun - 19 Jun 2018

Monthly

Apr 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
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
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 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
Jul 2018
Aug 2018
Sep 2018
Oct 2018
Nov 2018
Dec 2018

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 25 Jun 2018

Rank Date Hour Ending Ontario Demand (MW)* AQEW (MW)
1 18 Jun 2018 10 21,369
2 28 May 2018 18 20,473 19,943
3 31 May 2018 17 20,314
4 17 Jun 2018 18 20,155
5 29 May 2018 18 20,072
6 30 May 2018 17 20,027
7 01 Jun 2018 17 19,973
8 13 Jun 2018 15 18,738
9 19 Jun 2018 17 18,457
10 20 Jun 2018 19 18,317

* This column is reflected in the demand chart above

Peak Tracker for Global Adjustment Class A

XML