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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 1:00 a.m. EST
12,348 MW
Market Demand at 1:00 a.m. EST
14,930 MW
Hourly Output by Fuel Type at 12:00 a.m. EST
Nuclear
9,880 MW
Hydro
4,208 MW
Gas
505 MW
Wind
758 MW
Solar
0 MW
Biofuel
12 MW
Hourly Ontario Energy Price at 1:00 a.m. EST
$10.30 / MWh
Global Adjustment 1st Estimate (June)
$115/ 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.

Supply Icon

Supply Overview

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

Price Icon

Price Overview

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

Conservation Icon

Conservation Overview

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

The Market Day

HOEP ($/MWh)

Dispatch    Pre-Dispatch

HE
1 0.00
2 5.70
3 0.00
4 -0.10
5 0.00
6 5.88
7 5.00
8 6.08
9 13.33
10 15.20
11 13.61
12 17.77
13 18.58
14 17.90
15 18.38
16 18.58
17 19.10
18 21.40
19 21.08
20 20.64
21 19.41
22 17.07
23 17.98
24 5.13

Ontario Demand (MW)

Actual    Projected

HE
1 12,348
2 11,866
3 11,532
4 11,488
5 12,019
6 12,855
7 13,709
8 14,067
9 14,585
10 15,046
11 15,291
12 15,430
13 15,512
14 15,574
15 15,947
16 16,436
17 16,939
18 17,157
19 17,019
20 16,789
21 16,307
22 15,323
23 13,953
24 12,975

Market Demand (MW)

Actual    Projected

HE
1 14,930
2 15,047
3 14,658
4 14,530
5 14,814
6 15,561
7 16,427
8 16,360
9 16,878
10 17,299
11 17,413
12 17,688
13 18,097
14 18,323
15 18,718
16 19,328
17 19,808
18 19,797
19 19,815
20 19,741
21 18,974
22 17,309
23 16,206
24 14,336
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
Jun 2020 115.00
May 2020 92.93 115.00
Apr 2020 137.07 115.00 115.00 6.05
Mar 2020 104.32 112.12 119.42 13.93
Feb 2020 124.51 114.35 113.31 14.52
Jan 2020 83.23 99.93 102.32 14.82
Dec 2019 85.69 90.66 93.21 21.91
Nov 2019 107.27 101.09 99.53 20.71
Oct 2019 178.78 118.86 136.80 7.25
Sep 2019 129.34 163.92 122.63 14.34
Aug 2019 72.11 109.74 126.07 16.13
Jul 2019 135.27 88.54 96.45 21.91
Date 1st 2nd Actual Rate Avg. HOEP
Jun 2020 11.50
May 2020 9.29 11.50
Apr 2020 13.71 11.50 11.50 0.61
Mar 2020 10.43 11.21 11.94 1.39
Feb 2020 12.45 11.44 11.33 1.45
Jan 2020 8.32 9.99 10.23 1.48
Dec 2019 8.57 9.07 9.32 2.19
Nov 2019 10.73 10.11 9.95 2.07
Oct 2019 17.88 11.89 13.68 0.73
Sep 2019 12.93 16.39 12.26 1.43
Aug 2019 7.21 10.97 12.61 1.61
Jul 2019 13.53 8.85 9.65 2.19
Peak Tracker

Top 10 Ontario demand peaks with coincident adjusted AQEW values to date

Real-time snapshot of the highest Ontario demand values with coincident adjusted AQEW values for the current base period that can be used to track potential ICI peak hours. The status column indicates whether the coincident adjusted AQEW value is Initial, Preliminary or Final.

as of 3 Jun 2020


Rank Date Hour Ending (EST) Ontario Demand (MW) Coincident Adjusted AQEW (MWh) *Status (Initial, Prelim, Final)
1 26 May 2020 17 20,649 20,063 Initial
2 27 May 2020 18 19,887
3 25 May 2020 17 19,426 18,687 Initial
4 28 May 2020 13 17,420
5 29 May 2020 14 16,558
6 02 Jun 2020 19 16,486
7 24 May 2020 18 15,586 15,186 Initial
8 14 May 2020 17 15,156 14,552 Prelim
9 01 Jun 2020 19 14,937
10 22 May 2020 19 14,649 14,193 Initial

*Initial data is published 7 calendar days after the trade date. Preliminary data is published 10 business days after the trade date. Final data is published 20 business days after the trade date. A blank column indicates adjusted AQEW values are not yet available.