Electricity Supply Mix

In Ontario, electricity is produced from a number of sources. The Electricty Supply Mix, for an electricity product, is the combination of power sources used to generate the product.

The following chart shows the combination of electricity sources used to generate the electricity consumed in Ontario in 2016.

Here is the most recent electricity supply data from the Independent Electricity System Operator (IESO):

Ontario's Supply Mix 2016

Electricity Supply Mix Data 2016
Fuel Source % of Total Supply  

Nuclear

36%
Natural Gas 28%

Hydro

23%

Alternative power sources (wind, biofuel, solar)

13%

For a near real-time supply mix breakdown, please visit the Independent Electricity System Operator