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

The bridge near Chenaux Generating Station (Chenaux Road/Road 301) will be closed overnight periodically from June to December 2023.

OPG is making upgrades to structures on the bridge to Limerick Island near Chenaux Generating Station to ensure our continued safe operations. To accommodate this work, the bridge will close overnight – 8 p.m. to 5 a.m. – on various dates from June to December 2023.

Below is the current closure schedule. Please check back frequently as further dates will be added. Please note that the schedule is subject to change.

  • Oct. 16, 17 – Bridge will be closed from 9 to 11 p.m. only.
  • Nov. 13, 14, 15, 16

Note: The Ministry of Transportation of Quebec is performing work on the bridge closest to Portage-du-Fort on route 301. For additional information, please visit this page.

Thank you for your understanding. Please travel safely.

Alternative crossings include the Quyon Ferry (open until 10 p.m.) and Highway 148 in Pembroke.

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A researcher's hand holding an American Eel.OPG is conducting American Eel and Lake Sturgeon research on the Ottawa River

We are conducting research in the vicinity of our hydroelectric generating stations on the Ottawa River. Research activities will include fish abundance studies on the Ottawa and Bonnechere Rivers. This research, which is being carried out by Kleinschmidt Associates and CIMA+, is in support of OPG’s ongoing American eel and lake sturgeon mitigation studies for these species at risk.

Kleinschmidt and CIMA+ boats may be in close proximity to the shoreline as they complete day and nighttime fish abundance studies. This annual research is conducted under permits from the Ontario Ministry of Natural Resources and Forestry and the Québec Ministère des Forêts, de la Faune et des Parcs. It is completed in accordance with OPG Mitigation Plans under O. Reg. 242/08 (as amended by O. Reg. 176/13), under the Ontario Endangered Species Act. Work will continue until mid-October this year.

If you encounter either of these two species, please report it to us through the Contact Us form below.

Learn more about OPG’s biodiversity programs.

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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