About the Independent Electricity System Operator

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.

  • RFPs
    All Requests for Information (RFI), Requests for Quotes (RFQ), and Requests for Proposals (RFP) posted after January 1, 2015 can be found in the procurement section of ieso.ca.

  • Disclosure of Travel and Hospitality Expenses
    Information on the travel and hospitality expenses of the former OPA’s Board Members, Chief Executive Officer, Vice Presidents and any other individuals, as required by the Public Sector Expenses Review Act, 2009.

  • Freedom of Information Requests
    How to submit a request under the Freedom of Information and Protection of Privacy Act.