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

Electricity Data
Second Quarter 2018

April - June 2018

Supply

Transmission Grid-connected Generation Output (Q2)
Nuclear 21.15 TWh 61.3%
Hydro 9.25 TWh 26.8%
Wind 2.18 TWh 6.3%
Gas 1.6 TWh 4.7%
Solar <1 TWh 0.6%
Biofuel <1 TWh 0.3%
Conservation Savings (Q2)
Net Peak Demand Savings 20 MW
Net Energy Savings 221 GWh

Demand

Ontario Grid-Connected Peak Demand (Q2)

21,369 MW

set June 18, 2018, 10:00 am EST

Ontario Grid-Connected Peak Demand (for 2018)

21,369 MW

set in Q2 – June 18, 2018, 10:00 am EST

Commodity Cost

Commodity Cost (Q2) – Class A (¢/kWh)
  Q2 YTD
Hourly Ontario Energy Price
(Unweighted average)
1.89 2.03
Global Adjustment
(Average, Class A)1
5.41 4.92
Total 7.30 6.95
Commodity Cost (Q2) – Class B (¢/kWh)
  Q2 YTD
Hourly Ontario Energy Price
(Weighted Average)
2.04 2.19
Global Adjustment
(Average, Class B)1
10.92 9.41
Total 12.96 11.60

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

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