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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 11:00 a.m. EST
19,039 MW
Market Demand at 11:00 a.m. EST
21,644 MW
Hourly Output by Fuel Type at 11:00 a.m. EST
Nuclear
10,032 MW
Hydro
5,514 MW
Gas
3,528 MW
Wind
279 MW
Solar
193 MW
Biofuel
83 MW
Hourly Ontario Energy Price at 11:00 a.m. EST
$33.58 / MWh
Global Adjustment 1st Estimate (January)
$31.38/ 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 15.88
2 14.35
3 23.22
4 27.90
5 11.57
6 16.68
7 33.82
8 34.17
9 43.75
10 41.84
11 33.58
12 37.01
13 33.64
14 32.95
15 33.10
16 35.50
17 54.52
18 120.72
19 111.12
20 73.79
21 58.05
22 42.56
23 40.39
24 42.49

Ontario Demand (MW)

Actual    Projected

HE
1 15,818
2 15,481
3 15,554
4 15,651
5 15,821
6 16,510
7 17,659
8 19,153
9 19,540
10 19,314
11 19,039
12 18,888
13 18,581
14 18,451
15 18,481
16 19,036
17 19,900
18 20,398
19 20,478
20 20,321
21 20,014
22 19,373
23 18,531
24 17,616

Market Demand (MW)

Actual    Projected

HE
1 18,703
2 18,434
3 18,557
4 18,593
5 18,339
6 19,264
7 20,143
8 21,446
9 22,146
10 21,960
11 21,644
12 21,776
13 21,201
14 21,289
15 21,513
16 22,132
17 22,461
18 22,828
19 23,030
20 23,246
21 22,725
22 21,894
23 20,963
24 20,083
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
Jan 2023 31.38
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
Mar 2022 55.00 53.86 59.41 38.24
Feb 2022 50.19 53.25 52.46 40.83
Date 1st 2nd Actual Rate Avg. HOEP
Jan 2023 3.14
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
Mar 2022 5.50 5.39 5.94 3.82
Feb 2022 5.02 5.33 5.25 4.08
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 31 Jan 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 21 Jul 2022 17 21,379 20,896 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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