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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 3:00 a.m. EST
12,152 MW
Market Demand at 3:00 a.m. EST
14,404 MW
Hourly Output by Fuel Type at 3:00 a.m. EST
Nuclear
9,584 MW
Hydro
3,284 MW
Gas
562 MW
Wind
573 MW
Solar
0 MW
Biofuel
21 MW
Hourly Ontario Energy Price at 3:00 a.m. EST
$21.05 / MWh
Global Adjustment 1st Estimate (July)
$84.75/ 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 18.08
2 14.52
3 24.95
4 24.94
5 53.59
6 53.59
7 54.90
8 52.33
9 51.34
10 55.85
11 57.42
12 57.48
13 58.59
14 78.12
15 88.67
16 126.02
17 190.31
18 155.00
19 128.80
20 94.45
21 74.50
22 57.51
23 54.90
24 51.37

Ontario Demand (MW)

Actual    Projected

HE
1 12,824
2 12,397
3 12,152
4 12,204
5 12,980
6 13,959
7 15,087
8 15,917
9 16,252
10 16,840
11 17,395
12 17,956
13 18,515
14 18,944
15 19,385
16 19,959
17 20,512
18 20,550
19 20,524
20 19,901
21 19,393
22 18,245
23 16,703
24 15,249

Market Demand (MW)

Actual    Projected

HE
1 15,053
2 14,486
3 14,404
4 14,895
5 15,993
6 16,601
7 16,721
8 17,222
9 17,543
10 18,449
11 18,980
12 19,551
13 20,672
14 21,065
15 21,467
16 21,939
17 22,353
18 22,449
19 22,350
20 21,937
21 21,890
22 20,438
23 18,883
24 16,646
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
Jul 2022 84.75
Jun 2022 82.93 87.64
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
Dec 2021 49.02 54.15 59.68 35.56
Nov 2021 57.30 52.62 54.17 40.44
Oct 2021 66.43 61.86 52.44 39.95
Sep 2021 50.42 65.82 75.65 30.68
Aug 2021 81.37 48.29 45.99 43.39
Date 1st 2nd Actual Rate Avg. HOEP
Jul 2022 8.48
Jun 2022 8.29 8.76
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
Dec 2021 4.90 5.42 5.97 3.56
Nov 2021 5.73 5.26 5.42 4.04
Oct 2021 6.64 6.19 5.24 4.00
Sep 2021 5.04 6.58 7.57 3.07
Aug 2021 8.14 4.83 4.60 4.34
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 4 Jul 2022


Rank Date Hour Ending (EST) ICI Ontario Demand* (MW) Coincident Adjusted AQEW (MWh) Status* (Initial, Prelim, Final)
1 22 Jun 2022 17 21,954 21,351 Initial
2 16 Jun 2022 17 21,500 20,778 Prelim
3 31 May 2022 18 21,292 20,828 Final
4 21 Jun 2022 17 21,204 20,848 Initial
5 24 Jun 2022 19 20,715 20,121 Initial
6 25 Jun 2022 17 20,655 20,178 Initial
7 23 Jun 2022 19 20,636 19,967 Initial
8 26 Jun 2022 18 20,601 19,984 Initial
9 30 May 2022 17 20,335 19,873 Final
10 15 Jun 2022 19 19,919 19,517 Prelim

*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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