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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 p.m. EST
12,490 MW
Market Demand at 3:00 p.m. EST
14,344 MW
Hourly Output by Fuel Type at 2:00 p.m. EST
Nuclear
9,252 MW
Hydro
3,565 MW
Gas
1,205 MW
Wind
116 MW
Solar
146 MW
Biofuel
0 MW
Hourly Ontario Energy Price at 3:00 p.m. EST
$13.73 / MWh
Global Adjustment 1st Estimate (September)
$115.73/ 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.

Conservation Icon

Conservation Overview

Learn about the progress made by Ontario's electricity conservation and demand response programs.

The Market Day

HOEP ($/MWh)

Dispatch    Pre-Dispatch

HE
1 1.96
2 5.11
3 3.76
4 8.49
5 8.56
6 14.34
7 13.62
8 3.19
9 15.02
10 14.39
11 14.32
12 13.58
13 5.23
14 1.21
15 14.28
16 14.34
17 16.36
18 15.68
19 16.67
20 17.00
21 15.49
22 13.88
23 13.79
24 0.00

Ontario Demand (MW)

Actual    Projected

HE
1 11,635
2 11,346
3 11,236
4 11,313
5 11,490
6 11,927
7 12,458
8 12,792
9 12,780
10 12,775
11 12,781
12 12,840
13 12,668
14 12,500
15 12,999
16 13,068
17 13,748
18 14,233
19 14,550
20 14,437
21 13,812
22 13,082
23 12,285
24 11,669

Market Demand (MW)

Actual    Projected

HE
1 13,746
2 13,667
3 13,564
4 13,618
5 13,426
6 14,013
7 14,071
8 14,135
9 14,273
10 14,464
11 14,553
12 14,640
13 14,764
14 14,427
15 14,901
16 14,871
17 15,613
18 15,919
19 16,259
20 16,153
21 15,454
22 14,584
23 14,057
24 13,072
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.


Date 1st 2nd Actual Rate Avg. HOEP
Sep 2020 115.73
Aug 2020 102.32 106.22 103.48 19.42
Jul 2020 103.05 94.93 99.02 20.5
Jun 2020 115.00 115.00 115.00 12.49
May 2020 92.93 115.00 115.00 8.25
Apr 2020 137.07 115.00 115.00 6.05
Mar 2020 104.32 112.12 119.42 13.93
Feb 2020 124.51 114.35 113.31 14.52
Jan 2020 83.23 99.93 102.32 14.82
Dec 2019 85.69 90.66 93.21 21.91
Nov 2019 107.27 101.09 99.53 20.71
Oct 2019 178.78 118.86 136.80 7.25
Date 1st 2nd Actual Rate Avg. HOEP
Sep 2020 11.57
Aug 2020 10.23 10.62 10.35 1.94
Jul 2020 10.31 9.49 9.90 2.05
Jun 2020 11.50 11.50 11.50 1.25
May 2020 9.29 11.50 11.50 0.83
Apr 2020 13.71 11.50 11.50 0.61
Mar 2020 10.43 11.21 11.94 1.39
Feb 2020 12.45 11.44 11.33 1.45
Jan 2020 8.32 9.99 10.23 1.48
Dec 2019 8.57 9.07 9.32 2.19
Nov 2019 10.73 10.11 9.95 2.07
Oct 2019 17.88 11.89 13.68 0.73
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 19 Sep 2020


Rank Date Hour Ending (EST) Ontario Demand (MW) Coincident Adjusted AQEW (MWh) *Status (Initial, Prelim, Final)
1 09 Jul 2020 17 24,446 23,936 Final
2 07 Jul 2020 17 24,281 23,558 Final
3 08 Jul 2020 18 24,050 23,240 Final
4 27 Jul 2020 17 23,910 23,319 Final
5 10 Aug 2020 18 23,823 23,077 Final
6 10 Jul 2020 13 23,791 23,198 Final
7 24 Aug 2020 17 23,415 22,767 Prelim
8 06 Jul 2020 17 23,191 22,614 Final
9 26 Jul 2020 18 22,887 22,098 Final
10 03 Jul 2020 18 22,522 21,901 Final

*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.