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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 9:00 a.m. EST
14,446 MW
Market Demand at 9:00 a.m. EST
15,857 MW
Hourly Output by Fuel Type at 9:00 a.m. EST
Nuclear
10,158 MW
Hydro
2,840 MW
Gas
626 MW
Wind
1,417 MW
Solar
233 MW
Biofuel
0 MW
Hourly Ontario Energy Price at 9:00 a.m. EST
$14.49 / MWh
Global Adjustment 1st Estimate (June)
$107.9/ MWh
Ontario Demand
Market Demand
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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.

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Price Overview

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

The Market Day

HOEP ($/MWh)

Dispatch    Pre-Dispatch

HE
1 13.72
2 11.81
3 0.00
4 0.00
5 11.92
6 5.40
7 20.06
8 21.65
9 14.49
10 28.38
11 28.38
12 28.38
13 28.38
14 22.89
15 27.58
16 28.26
17 28.38
18 28.40
19 28.65
20 29.40
21 29.84
22 28.38
23 28.26
24 0.00

Ontario Demand (MW)

Actual    Projected

HE
1 12,615
2 12,290
3 11,974
4 11,966
5 12,210
6 12,860
7 13,699
8 14,264
9 14,446
10 15,076
11 15,289
12 15,420
13 15,476
14 15,445
15 15,663
16 16,201
17 16,774
18 17,056
19 16,929
20 16,567
21 16,301
22 15,227
23 13,979
24 13,072

Market Demand (MW)

Actual    Projected

HE
1 14,317
2 14,060
3 13,995
4 13,775
5 14,101
6 14,475
7 14,996
8 15,665
9 15,857
10 16,691
11 16,911
12 17,177
13 17,419
14 17,448
15 17,601
16 18,297
17 18,924
18 19,205
19 19,019
20 18,548
21 18,283
22 17,160
23 15,886
24 13,885
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.

This table does not include the GA deferral recovery amounts for 2021. More information on the 2021 GA estimates and actual recovery rates are on the Class B GA and GA components and costs web pages.


Date 1st 2nd Actual Rate Avg. HOEP
Jun 2021 107.90
May 2021 98.51 100.66 100.54
Apr 2021 61.39 118.88 109.34 8.93
Mar 2021 79.39 91.80 90.80 17.62
Feb 2021 98.51 37.12 50.42 33.77
Jan 2021 86.21 86.73 82.97 17.42
Dec 2020 107.04 100.31 105.58 15.98
Nov 2020 116.70 114.20 117.05 10.48
Oct 2020 149.54 132.66 128.06 11.32
Sep 2020 115.73 127.92 121.76 14.38
Aug 2020 102.32 106.22 103.48 19.42
Jul 2020 103.05 94.93 99.02 20.5
Date 1st 2nd Actual Rate Avg. HOEP
Jun 2021 10.79
May 2021 9.85 10.07 10.05
Apr 2021 6.14 11.89 10.93 0.89
Mar 2021 7.94 9.18 9.08 1.76
Feb 2021 9.85 3.71 5.04 3.38
Jan 2021 8.62 8.67 8.30 1.74
Dec 2020 10.70 10.03 10.56 1.60
Nov 2020 11.67 11.42 11.71 1.05
Oct 2020 14.95 13.27 12.81 1.13
Sep 2020 11.57 12.79 12.18 1.44
Aug 2020 10.23 10.62 10.35 1.94
Jul 2020 10.31 9.49 9.90 2.05
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 15 Jun 2021


Rank Date Hour Ending (EST) Ontario Demand (MW) Coincident Adjusted AQEW (MWh) *Status (Initial, Prelim, Final)
1 07 Jun 2021 17 21,340 20,780 Initial
2 09 Jun 2021 17 21,157
3 06 Jun 2021 18 20,556 20,256 Initial
4 08 Jun 2021 17 20,475 20,133 Initial
5 25 May 2021 18 19,443 18,802 Prelim
6 21 May 2021 18 19,243 18,862 Prelim
7 10 Jun 2021 18 18,975
8 05 Jun 2021 18 18,753 18,267 Initial
9 20 May 2021 18 18,622 18,205 Prelim
10 11 Jun 2021 17 18,394

*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.