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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 2:00 a.m. EST
13,733 MW
Market Demand at 2:00 a.m. EST
16,019 MW
Hourly Output by Fuel Type at 2:00 a.m. EST
Nuclear
7,881 MW
Hydro
3,743 MW
Gas
943 MW
Wind
1,959 MW
Solar
0 MW
Biofuel
0 MW
Hourly Ontario Energy Price at 2:00 a.m. EST
$27.59 / MWh
Global Adjustment 1st Estimate (March)
$69.89/ 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.

The Market Day

HOEP ($/MWh)

Dispatch    Pre-Dispatch

HE
1 19.52
2 27.59
3 25.09
4 27.77
5 27.97
6 34.85
7 28.05
8 28.03
9 27.94
10 27.39
11 26.12
12 22.73
13 22.73
14 22.73
15 22.73
16 27.42
17 27.63
18 27.98
19 31.37
20 28.92
21 28.03
22 28.03
23 28.02
24 30.27

Ontario Demand (MW)

Actual    Projected

HE
1 13,577
2 13,733
3 13,572
4 14,316
5 15,260
6 16,323
7 16,853
8 17,182
9 16,894
10 16,516
11 16,234
12 16,127
13 16,040
14 15,993
15 16,227
16 16,534
17 16,959
18 17,283
19 17,664
20 17,840
21 17,390
22 16,551
23 15,702
24 15,078

Market Demand (MW)

Actual    Projected

HE
1 15,586
2 16,019
3 15,973
4 16,258
5 17,107
6 18,223
7 18,371
8 19,129
9 19,043
10 18,342
11 18,058
12 17,974
13 17,895
14 17,788
15 18,033
16 18,291
17 18,883
18 19,431
19 19,741
20 19,534
21 18,891
22 17,781
23 17,333
24 15,934
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
Mar 2023 69.89
Feb 2023 62.85 83.70 82.49 23.58
Jan 2023 31.38 51.45 53.77 34.02
Dec 2022 59.62 35.81 34.27 55.89
Nov 2022 47.39 67.19 69.89 31.96
Oct 2022 4.99 68.03 57.71 45.44
Sep 2022 40.08 27.55 32.41 61.61
Aug 2022 48.71 0.34 4.99 85.76
Jul 2022 84.75 37.04 40.08 60.58
Jun 2022 82.93 87.64 78.68 38.94
May 2022 59.68 86.85 84.75 33.2
Apr 2022 59.15 86.40 82.93 29.03
Date 1st 2nd Actual Rate Avg. HOEP
Mar 2023 6.99
Feb 2023 6.29 8.37 8.25 2.36
Jan 2023 3.14 5.15 5.38 3.40
Dec 2022 5.96 3.58 3.43 5.59
Nov 2022 4.74 6.72 6.99 3.20
Oct 2022 0.50 6.80 5.77 4.54
Sep 2022 4.01 2.76 3.24 6.16
Aug 2022 4.87 0.03 0.50 8.58
Jul 2022 8.48 3.70 4.01 6.06
Jun 2022 8.29 8.76 7.87 3.89
May 2022 5.97 8.69 8.48 3.32
Apr 2022 5.92 8.64 8.29 2.90
ICI Ontario Demand Peak Tracker

Top 10 peak hours and ICI Ontario demand values with coincident adjusted AQEW values to date

Real-time snapshot of the top 10 peak hours and ICI Ontario demand values with coincident adjusted AQEW values for the current base period. This information can be used by ICI customers to track ICI Ontario demand peaks and estimate their GA allocation for the peak hour.

Peak Tracker

as of 29 Mar 2023


Rank Date Hour Ending (EST) ICI Ontario Demand* (MW) Coincident Adjusted AQEW (MWh) Status* (Initial, Prelim, Final)
1 19 Jul 2022 18 22,607 22,127 Final
2 22 Jun 2022 17 21,954 21,340 Final
3 29 Aug 2022 17 21,871 21,170 Final
4 20 Jul 2022 16 21,850 21,394 Final
5 07 Aug 2022 17 21,778 21,073 Final
6 06 Aug 2022 18 21,761 21,153 Final
7 08 Aug 2022 15 21,560 20,901 Final
8 16 Jun 2022 17 21,500 20,778 Final
9 23 Jul 2022 17 21,423 20,691 Final
10 03 Feb 2023 19 21,388 20,711 Final

*ICI Ontario Demand Status: Initial peak values are published in orange approx. 1 hour following the end of the trade hour. Final peak values are published in black by the end of 3 business days following initial publication. *Coincident Adjusted AQEW Status: 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.

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