Meeting Ontario's Electricity Needs: A Critical Review of the Ontario Power Authority's Supply Mix Advice Report The OPA believes that Ontario will need to add 15,000 megawatts of new generation capacity between 2013 and 2025 and that 63-83% of this should be nuclear. OCAA provides our analysis of the OPA’s report and our recommendations for how Ontario can increase its electricity productivity and meet its electricity supply needs between today and 2025.
