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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
15,699 MW
Market Demand at 8:00 a.m. EST
17,128 MW
Hourly Output by Fuel Type at 7:00 a.m. EST
Nuclear
11,289 MW
Hydro
3,111 MW
Gas
1,034 MW
Wind
168 MW
Solar
36 MW
Biofuel
27 MW
Hourly Ontario Energy Price at 8:00 a.m. EST
$26.16 / 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 54.28
2 29.25
3 32.03
4 14.39
5 14.36
6 21.68
7 27.96
8 26.16
9 28.52
10 28.55
11 31.14
12 31.00
13 32.78
14 36.32
15 43.87
16 51.96
17 52.41
18 52.71
19 51.97
20 46.04
21 39.56
22 32.78
23 28.54
24 0.00

Ontario Demand (MW)

Actual    Projected

HE
1 13,425
2 12,963
3 12,677
4 12,672
5 13,000
6 13,742
7 14,955
8 15,699
9 16,394
10 16,776
11 17,145
12 17,565
13 17,903
14 18,364
15 18,701
16 19,197
17 19,692
18 19,790
19 19,565
20 19,171
21 18,898
22 17,664
23 16,066
24 14,879

Market Demand (MW)

Actual    Projected

HE
1 16,035
2 15,620
3 15,188
4 15,057
5 15,236
6 15,529
7 16,592
8 17,128
9 18,342
10 18,724
11 19,548
12 19,945
13 20,436
14 20,798
15 21,130
16 21,648
17 22,036
18 22,042
19 21,741
20 21,462
21 21,133
22 19,706
23 18,289
24 16,028
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
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 11.90 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 19 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 16 Jul 2018 12 21,536
5 15 Jul 2018 18 21,508
6 09 Jul 2018 18 21,412
7 18 Jun 2018 10 21,369 20,532
8 29 Jun 2018 17 21,159
9 10 Jul 2018 16 21,077
10 02 Jul 2018 17 21,012

* This column is reflected in the demand chart above