The Ontario Energy Report provides an up-to-date snapshot of Ontario’s energy sector.

Electricity Data
Fourth Quarter 2015

October-December 2015


Transmission Grid-Connected Generation Output (Q4)
Nuclear 21.5 TWh 59%
Hydro 8.7 TWh 24%
Gas 3.0 TWh 8.2%
Wind 3.0 TWh 8.2%
Biofuel 0.1 TWh <1%
Solar 0.07 TWh <1%
Conservation Savings (Q4)
Net Peak Demand Savings 243 MW
Net Energy Savings 489 GWh


Ontario Grid-Connected Peak Demand (for Q4)

19,239 MW

set in Q4 - November 23, 2015, 6:00 PM EDT

Ontario Grid-Connected Peak Demand (for 2015)

22,516 MW

set in Q3 - July 28, 2015, 6:00 PM EDT

Commodity Cost

Commodity Cost (Q4) – Class A (¢/kWh)
  Q4 YTD
Hourly Ontario Energy Price
(Unweighted average)
1.45 2.17
Global Adjustment
(Average, Class A)1
5.08 4.16
Total 6.53 6.33
Commodity Cost (Q4) – Class B (¢/kWh)
  Q4 YTD
Hourly Ontario Energy Price
(Weighted Average)
1.54 2.36
Global Adjustment
(Average, Class B)1
9.45 7.78
Total 10.99 10.14

1 Class A customers are large electricity consumers that pay Global Adjustment based on their proportion of energy use during the five hours of the year with the highest demand. All other customers are Class B.

Ontario’s Transmission Grid

Ontario's Power Grid map, View Full Map PDF

Electricity Report

Electricity Report cover, download Electricity Q4 2015 PDF

Electricity Data

Data used in creating the Electricity Report, downloadable in Excel format.

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What’s New

A collection of electricity reports and publications.

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