Eastern Ontario communities

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Ontario Power Generation (OPG) has been proudly operating in Eastern Ontario for over 100 years. Today we have one thermal facility and 10 hydroelectric generating stations on the St. Lawrence, Ottawa and Madawaska Rivers. These stations, their employees, and host communities play an important role in generating clean, reliable power for Ontario.

See how we are a part of communities across Eastern Ontario and learn about our many local programs, initiatives, and events.

Upcoming events

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Overnight Bridge Closures Bridge near Chenaux Generating Station

OPG is making upgrades to structures on the bridge to Limerick Island near Chenaux Generating Station to ensure our continued safe operations.

The project is now nearing completion and so at this time we are not expecting any further overnight road closures in 2023. This page will be updated should any closures be required in 2024.

Thank you for your understanding. Please travel safely.

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Pelly and his besties on a tandem bicycle

Meet Pelly

Pelly is a uranium pellet who loves powering nuclear generation, bananas, and hanging out with his besties.

Generating power with purpose

Our role in Ontario isn’t just measured by kilowatts (although we’re really good at producing them); it’s measured by our relationships, the impact we make, and the future we leave to the next generation. That’s why we strive to be good corporate citizens who care about the environmental, economic, and social wellbeing of all Ontario.

Generating community spirit

OPG’s Corporate Citizenship Program focuses on these areas:

  • Environment
  • Education, and
  • Community (health and safety, arts and culture, youth amateur sport, humanitarian and local causes), including support of Indigenous initiatives.

We are proud to support our over 175 community partners and events in Eastern Ontario like the Akwesasne International Powwow, the Renfrew County Regional Science Fair and Ducks Unlimited Kingston.

A view of the Saunders Hydro Dam Visitor Centre from the front.

Saunders Hydro Dam Visitor Centre

Closed for the 2023 public tourism season.

The centre will reopen in May 2024. If you would like to inquire about booking auditorium space, an educational tour, or schedule a large group tour, please contact us.

Saunders Hydro Dam Visitor Centre
2500B Second Street West
Cornwall, ON K6H 5R6 (map)

To speak with an OPG representative between October and May, please call 613-932-3072.

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Madawaska River Water Management

OPG works with local waterpower companies and the Ministry of Natural Resources on a balanced approach to water management on the Madawaska River that considers the various interests of many users.

The result of this work is the Madawaska River Water Management Plan, which includes operational plans for each waterpower facility or dam, provisions for management of water levels and flows, stakeholder communication, and environmental programming.

Stay clear. Stay safe.

OPG reminds you to please pay close attention to all warnings signs near our hydro stations and dams.

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