About Us

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:

  • Corporate documents
    A list of documents relevant to the former OPA, including organizational policies, credit rating reports, and the Governance and Structure By-Laws.