Sarnia Regional Cogeneration Plant (444.0 MW) - Sarnia

Courtesy of TransAlta.
Used with permission.

The Sarnia Regional Cogeneration Plant is a 444.0 MW natural gas-fired cogeneration power plant. The plant produces electricity and thermal energy in the form of steam for the following steam hosts: Dow, Bayer, Suncor and NOVA. The Sarnia Regional Cogeneration Plant is located on the St. Clair River, in Sarnia, Ontario.

Major equipment consists of the following:

  • Three (3) Alstom
  • Three (3) Nooter-Eriksen supplementary fired heat recovery steam generators (HRSGs) 
  • Two (2) Alstom and one (1) Westinghouse steam turbines. Natural gas is the fuel for the facility and it is supplied by Union Gas Distribution infrastructure.

The plant delivers 230 kV power to circuits N6S and N7S on the Hydro One grid which feeds into the Ontario electricity market administered by the Independent Electricity System Operator.

Location: Sarnia, Ontario
OPA Contracted Capacity: 444.0 MW
Developer: TransAlta Energy Corporation
Technology: Natural gas-fired cogeneration
Turbines: Three (3) Alstom Gas turbines,
Two (2) Alstom steam turbines and
One (1) Westinghouse steam turbine
Commercial Operation Date: Current plant configuration reached commercial operation in March, 2003
OPA Contract Term Commencement Date: January 1, 2006



Project Contacts:

Ontario Power Authority
Media and Public Relations
T. 416-969-6307 or 
TransAlta Energy Corporation

Peter Smith
Commercial Manager
T. 519-464-5975