OPA and IESO Complete Amalgamation
On January 1, 2015, the Ontario Power Authority and the Independent Electricity System Operator completed their amalgamation and began operating as a single entity to operate Ontario's electricity system. The official announcement from the IESO can be found here, and more information about the IESO can be found on its website here.
IESO Independent Electricity System Operator Ontario electricity merger OPA / Ontario Power Authority