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

Electricity Data
First Quarter 2017

January – March 2017


Transmission Grid-connected Generation Output (Q1)
Nuclear 22.5 TWh 61.0%
Hydro 9.5 TWh 25.8%
Wind 3.7 TWh 9.4%
Gas 1.2 TWh 3.2%
Biofuel <1 TWh 0.3%
Solar <1 TWh 0.3%
Conservation Savings (Q1)
Net Peak Demand Savings 12 MW
Net Energy Savings 99 GWh


Ontario Grid-Connected Peak Demand (Q1)

20,372 MW

set January 9, 2017, 6:00 pm EST

Ontario Grid-Connected Peak Demand (for 2017)

20,372 MW

set in Q1 – January 9, 2017, 6:00 pm EST

Commodity Cost

Commodity Cost (Q1) – Class A (¢/kWh)
  Q1 YTD
Hourly Ontario Energy Price
(Unweighted average)
2.17 2.17
Global Adjustment
(Average, Class A)1
4.20 4.20
Total 6.37 6.37
Commodity Cost (Q1) – Class B (¢/kWh)
  Q1 YTD
Hourly Ontario Energy Price
(Weighted Average)
2.29 2.29
Global Adjustment
(Average, Class B)1
8.00 8.00
Total 10.29 10.29

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 Q1 2017 PDF

Electricity Data

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

To open in Windows Internet Explorer, press "save".

What’s New

A collection of electricity reports and publications.

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