Ontario’s System-Wide Electricity Supply Mix: 2021 Data

Electricity Retailing – Disclosure to Consumers, O. Reg. 416/99, requires retailers to disclose to consumers the Ontario system-wide electricity supply mix in the manner established by the Ontario Energy Board. The Board’s Directive for the Disclosure of Information to Consumers by Electricity Retailers under Ontario Regulation 416/99 prescribes the manner and timing requirements for this disclosure. The Directive applies to all retailers, including distributors that provide standard supply service.

Under O. Reg. 416/99 the Ministry of Energy is responsible for providing Ontario’s electricity supply mix data for electricity suppliers. The following label discloses the system-wide electricity supply mix data for 2020. This data must be used by electricity suppliers for the purposes of complying with the disclosure obligations of O. Reg. 416/99 and the Directive. This data should be considered current until further notice.

Electricity Facts
Electricity sources Ontario’s Electricity Mix*
Nuclear 56.8%
Hydro (Water) 24.4%
Wind 8.7%
Natural Gas 6.3%
Solar 2.4%
BioEnergy 0.5%
Other 0.9%
   
   

*Includes Lennox and dual fuel (natural gas/bioenergy) consistent with IESO. **IESO’s embedded generation data set combines 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).

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