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

September 12, 2022

Electricity in Ontario is produced from a variety of sources. Each year, we are required by regulation to provide our customers with the following notice and information regarding the current supply mix. The information below shows the system-wide supply mix for 2021 which was published by the Ontario Energy Board on September 12, 2022. For more information, visit:

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 2021. 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.