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Northwestern Ontario communities

Ontario Power Generation’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 Upgrades underway at Alexander Falls Generating Station

Between April and September 2023, we will be upgrading the electrical systems at our Alexander Falls Generating Station. To make these changes, a station outage will be required for the duration of the work being performed. During this outage, water flows that normally pass through the station will be redirected over the spillwall, adjacent to the station. The water flow going overtop the spillwall is planned and deliberate.

The safety of the public and OPG staff is our number one priority. 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.

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Net-Zero News May 2023

In this issue of OPG's Net-Zero News, learn about OPG's latest climate change-fighting projects and initiatives.

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Online newsletter

Net-Zero News December 2022

In this issue of OPG's Net-Zero News, learn about the latest milestones for our Darlington SMR project and other climate change-fighting projects.

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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.

Our generation in Northwestern Ontario