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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 2017. 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*
Water power 23.9%
Alternative power sources 10.8%
     Solar PV      2.3%
     Wind      8.0%
     Biomass      0.5%
     Waste      0%
Nuclear Energy 58.4%
Natural Gas ** 6.2%
Other 0.8%
* Includes Lennox, dual fuel (ng/bio) consistent with IESO.
** IESO’s embedded generation data set merges 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).