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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 2022 Supply Mix Dat​a.​

​Electricity facts

​Electricity Sources ​Ontario's Electricity Mix
Nuclear energy 51.0%
​Waterpower
 ​25.1%
​Natural gas* ​10.2%
​Wind
 9.9%
​Solar PV ​2.5%
​Bioenergy
 ​0.4%
Other (non-emitting)**
 0.9%

 * Includes Lennox, dual fuel (natural gas/bioenergy) and non-contracted emitting generation consistent with IESO. ​

** Other represents a variety of non-contracted fuel types that the IESO is unable to categorize due to a lack of information from Local Distribution Companies (LDCs).

Note: 

  1. ​​​​Figures may not add to 100% due to rounding.
  2. Figures do not account for the sale and retirement of Clean Energy Credits (CECs).

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