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​Keeping it transparent

Ontario distributors are required to disclose to consumers the Ontario system-wide Electricity Supply Mix in the manner established by the Ontario Energy Board. The Electricity Supply Mix is the combination of power sources used to generate the total supply. For details please refer to the accompanying electricity facts chart.

Read the full 2018 Supply Mix Data.

​Electricity facts

​Electricity Sources ​Ontario's Electricity Mix*
​Water power ​23.9%
​Alternative power sources ​9.8%
​Solar PV ​2.3%
​Wind ​8.0%
​Bioenergy** ​0.5%
​Nuclear energy ​58.4%
​Natural gas* ​6.2%
​Non-contracted*** ​0.8%

 

* Includes Lennox, dual fuel (ng/bio) consisten with IESO.
**IESO's embedded generation data set merges biomass and gas.
*** Non-contracted represents a variety of fuel types that the IESO is unable to categorize due to a lack of information from Local Distribution Companies (LDCs).

Note: Figures may not add to 100% due to rounding.