Steephill Generating Station (16.0 MW) – Magpie 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 Steephill Generating Station is a single-unit hydroelectric station located on the Magpie River. The station was built in 1990, and has an installed capacity of 16.0 MW at a head of 41.1 metres.

Located 25 km upstream from Harris, this station is the most upstream of three stations along the Magpie River.

The intake for the penstock is located on the east abutment of the dam. The penstock is 200 metres in length and 3.5 metres in diameter.

Steephill is connected to the existing Hydro One 115kV line at Steephill and connects to Magpie TS.

This hydroelectric generating station generates approximately 58,993 MWh of renewable energy per year.

River System: Magpie River
Nameplate Capacity: 16.0 MW
OPA Contracted Capacity: 16.0 MW
Operator: Brookfield
Technology: Hydroelectric
Turbines: One Kaplan turbine
Originally Built: 1990
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