On January 1, 2015, the Ontario Power Authority (OPA) merged with the Independent Electricity System Operator (IESO) to create a new organization that will combine the OPA and IESO mandates and continue the high quality work both organizations are known for.
Find out more:
A list of regulatory documents relevant to the former OPA.
Understanding electricity prices
Information to help explain electricity prices in Ontario.
Accessibility Standard for Customer Service
The IESO is committed to maintaining an accessible environment for persons with disabilities in the delivery of all its services.
Directives and letters from Minister of Energy
A list of directives and letters to the former OPA from the Minister of Energy.
A list of documents relevant to the former OPA, including organizational policies, credit rating reports, and the Governance and Structure By-Laws.
Freedom of Information Requests
How to submit a request under the Freedom of Information and Protection of Privacy Act.