On January 1, 2015, the Ontario Power Authority (OPA) will merge with the Independent Electricity System Operator to create a new organization that will combine the OPA and IESO mandates and continue the high quality work both organizations are known for.

All news, publications and speeches posted after this date can be found on the Media section of www.ieso.ca.

Archived news and other materials from the former Ontario Power Authority can still be found in this section.