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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
17,228 MW
Market Demand at 9:00 a.m. EST
18,218 MW
Hourly Output by Fuel Type at 9:00 a.m. EST
Nuclear
8,354 MW
Hydro
7,218 MW
Gas
3,067 MW
Wind
399 MW
Solar
3 MW
Biofuel
18 MW
Hourly Ontario Energy Price at 9:00 a.m. EST
$47.16 / MWh
Global Adjustment 1st Estimate (December)
$59.62/ 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 24.32
2 38.44
3 47.10
4 46.77
5 46.66
6 45.23
7 42.53
8 46.17
9 47.16
10 50.01
11 49.39
12 47.50
13 47.50
14 47.50
15 46.87
16 47.57
17 49.39
18 48.98
19 47.50
20 47.50
21 47.50
22 46.90
23 46.64
24 46.91

Ontario Demand (MW)

Actual    Projected

HE
1 14,123
2 13,670
3 13,572
4 13,626
5 13,815
6 14,394
7 15,478
8 16,756
9 17,228
10 17,482
11 17,409
12 17,379
13 17,343
14 17,386
15 17,494
16 18,158
17 18,776
18 19,050
19 18,569
20 18,195
21 17,811
22 17,066
23 16,121
24 15,143

Market Demand (MW)

Actual    Projected

HE
1 15,240
2 15,177
3 14,944
4 15,056
5 15,185
6 15,936
7 16,544
8 17,802
9 18,218
10 18,933
11 18,878
12 18,901
13 18,924
14 18,961
15 18,963
16 19,806
17 20,274
18 20,414
19 20,226
20 19,883
21 19,259
22 18,188
23 17,245
24 16,256
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
Dec 2022 59.62
Nov 2022 47.39 67.19
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
Jan 2022 48.29 45.14 43.53 44.25
Date 1st 2nd Actual Rate Avg. HOEP
Dec 2022 5.96
Nov 2022 4.74 6.72
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
Jan 2022 4.83 4.51 4.35 4.43
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 7 Dec 2022


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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