Financial Reporting

Annual Report

The 2023 Annual Report provides financial statements and an overview of projects and achievements that reflect the IESO's success in ensuring Ontario’s electricity needs are met. In keeping with our focus to support an efficient and reliable electricity market and power grid, the report also highlights the IESO's commitment to drive and guide the sector’s future, ensure system reliability while supporting cost-effectiveness, and drive business transformation.

2023 Annual Report (PDF)
March 28, 2024

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Markets Financial Statements


For historical annual reports or market financial reports, please contact us at and specify the year and quarter requested, and advise whether it needs to be provided in an accessible format.