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

Electricity Data
Fourth Quarter 2016

October – December 2016


Transmission Grid-connected Generation Output (Q4)
Nuclear 23.12 TWh 62.3%
Hydro 8.07 TWh 21.7%
Wind 3.16 TWh 8.5%
Gas 2.57 TWh 6.9%
Biofuel 0.11 TWh <1%
Solar 0.08 TWh <1%
Conservation Savings (Q4)
Net Peak Demand Savings 15 MW
Net Energy Savings 122 GWh


Ontario Grid-connected Peak Demand (Q4)

20,688 MW

set December 15, 2016, 6:00 pm EDT

Ontario Grid-connected Peak Demand (for 2016)

23,213 MW

set in Q4 – September 7, 2016, 5:00 pm EDT

Commodity Cost

Commodity Cost (Q4) – Class A (¢/kWh)
  Q4 YTD
Hourly Ontario Energy Price
(Unweighted average)
1.53 1.49
Global Adjustment
(Average, Class A)1
5.09 5.25
Total 6.62 6.74
Commodity Cost (Q4) – Class B (¢/kWh)
  Q4 YTD
Hourly Ontario Energy Price
(Weighted Average)
1.66 1.66
Global Adjustment
(Average, Class B)1
10.25 9.65
Total 11.91 11.28

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 2016 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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