Skip Links
Home > 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 12:00 a.m. EST
16,184 MW
Market Demand at 12:00 a.m. EST
17,420 MW
Hourly Output by Fuel Type at 12:00 a.m. EST
Nuclear
9,688 MW
Hydro
3,136 MW
Gas
2,490 MW
Wind
446 MW
Solar
0 MW
Biofuel
18 MW
Hourly Ontario Energy Price at 12:00 a.m. EST
$30.06 / MWh
Global Adjustment 1st Estimate (September)
$127.39/ 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.

Learn more >
Supply Icon

Supply Overview

Get current and historical data for Ontario's transmission and distribution level supply and yearly import/export data.

Learn more >
Price Icon

Price Overview

Learn about electricity price trends and gain access to historical monthly average prices, global adjustment rates and time-of-use.

Learn more >
Conservation Icon

Conservation Overview

Learn about the progress made by Ontario's electricity conservation and demand response programs.

Learn more >
The Market Day

HOEP ($/MWh)

Dispatch    Pre-Dispatch

HE
1 28.09
2 24.03
3 21.09
4 22.00
5 32.32
6 41.23
7 45.00
8 47.23
9 47.45
10 47.46
11 55.06
12 80.28
13 111.00
14 143.89
15 139.88
16 151.26
17 149.25
18 147.25
19 142.56
20 139.91
21 47.46
22 40.89
23 38.59
24 30.61

Price Today

No data found!

Ontario Demand Today

No data found!

Ontario Market Today

Recent Summaries

Daily

24 Sep 2017

Weekly

13 Sep - 19 Sep 2017

Monthly

Jul 2017

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 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 106.52 101.97 112.80 13.61
Aug 2017 115.00 104.76 101.09
Sep 2017 127.39
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 10.20 11.28 1.36
Aug 2017 11.50 10.48 10.11
Sep 2017 12.74
Oct 2017
Nov 2017
Dec 2017

Price Overview

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 26 Sep 2017

Rank Date Hour Ending Ontario Demand (MW)* AQEW (MW)
1 25 Sep 2017 17 21,786
2 12 Jun 2017 17 21,168 20,702
3 19 Jul 2017 19 20,627 20,024
4 24 Sep 2017 18 20,457
5 06 Jul 2017 18 20,366 19,869
6 11 Jul 2017 18 20,302 19,691
7 21 Jul 2017 17 20,192 19,730
8 21 Aug 2017 17 20,158 19,836
9 31 Jul 2017 17 20,096 19,720
10 01 Aug 2017 14 20,079 19,577

* This column is reflected in the demand chart above

Peak Tracker for Global Adjustment Class A

XML