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The OEB has released the updated electricity supply mix data information for 2020.

Apr 14, 2021

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.

Electricity Facts
Ontario’s Electricity Mix*
Nuclear Energy 56.80%
Water Power 24.40%
Natural Gas* 6.30%
Wind 8.70%
Solar PV 2.40%
Bioenergy** 0.50%
Non-Contracted*** 0.90%
* 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).
Note: Figures may not add to 100% due to rounding.

March 22, 2021

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.
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.