Ontario Power Generation

OPG News Release, July 4, 2006

July 4, 2006

ONTARIO POWER GENERATION'S PICKERING UNIT 7 ENTERS SHORT MAINTENANCE OUTAGE

[PICKERING]: Ontario Power Generation's Pickering Unit 7 was safely shut down yesterday for a short maintenance outage. During this outage inspections and maintenance work will be performed on a boiler level controller.

Pickering Units 1, 4, 5, 6 and 8 are operating at or near full power.

Ontario Power Generation Inc. is an Ontario-based electricity generation company whose principal business is the generation and sale of electricity in Ontario. Our focus is on the efficient production and sale of electricity from our generation assets, while operating in a safe, open and environmentally responsible manner.

For more information contact:
Ontario Power Generation Media Relations
(416) 592-4008 or 1-877-592-4008