Hollingsworth Generating Station (23 MW) - Michipicoten River

On January 1, 2015, the Ontario Power Authority merged with the Independent Electricity System Operator to create a new organization that combines the OPA and IESO mandates.

Please note that the information on this page is not current and will not be updated. A new format for contract data will be published soon.

The Hollingsworth Generating Station is a single-unit hydroelectric station located on the Michipicoten River. The station was built in 1959, and has an installed capacity of 23 MW at a head of 34 metres.

Located 10 km upstream of McPhail, this station is the most upstream of four power stations on the Michipicoten River. The forebay of Hollingsworth is the main storage reservoir for the Michipicoten River stations, which include McPhail, Dunford and Scott Falls.

Hollingsworth has a single penstock and a single headgate. The forebay has a maximum elevation of 312.72 metres.

Hollingsworth is connected to the existing Hydro One 115kV circuit through Hollingsworth GS located in Wawa.

This hydroelectric generating station generates approximately 112,648 MWh of renewable energy per year.

River System: Michipicoten River
Nameplate Capacity: 23 MW
OPA Contracted Capacity: 23 MW
Operator: Brookfield
Technology: Hydroelectric
Turbines: One Kaplan turbine
Originally Built: 1959

84° 30' 13.13" W, 47° 57' 35.26" N

OPA Contract Term Commencement Date: December 1, 2009


Brookfield Renewable Energy Group

Project Contacts:

Ontario Power Authority

Media and Public Relations
T. 416-969-6307 or

Brookfield Renewable Energy Group

Zev Korman
Investor Relations and Communications
T. 416-359-1955