Northwestern Ontario communities

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Ontario Power Generation's (OPG's) Northwestern Operations include one operating biomass and 11 hydroelectric stations. Together they provide about 900 megawatts (MW) of power, which accounts for 86% of the electricity used in the Northwest. These stations, their employees and local host communities play an important role in generating clean, reliable power for Ontario.

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

Upcoming events.

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Important message Water flow changes on the Nipigon River System

OPG will be decreasing flows on the Nipigon River System on Monday, Sept. 18. Flows will be decreasing from 300cms to 200cms. These changes will require the public to be vigilant while using the Nipigon River with the lower water levels. The public is advised to be aware of these changes and take any necessary precautionary steps to prepare.

The safety of the public is a top priority for OPG. This includes making sure people know about the dangers around our hydro stations and dams. To learn more, please visit If you have questions, please contact us.

Stay clear, stay safe.

An aerial view of Whitedog Falls hydroelectric station.

Exploring Ontario's hydro opportunities

A new report identifies areas of high generation potential, and provides initial estimates on developing this potential.

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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 of our many community partnerships in Northwestern Ontario, which include the Canadian Cancer Society Relay for Life, the Atikokan High School Voyageur Robotics Team, the City of Thunder Bay Events Program, the Lakehead Region Conservation Authority's Annual Children's Water Festival, and Lieutenant Governor of Ontario's Indigenous Youth Summer Reading Camp Program operated by Frontier College.

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Our generation in Northwestern Ontario

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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