Initiatives
Subsidiaries

Our mission, vision & values

As Ontario’s largest clean electricity generator, see how our focus is on generating safe, efficient, and reliable energy.

About

Our subsidiaries
Our subsidiaries & partnerships are helping us improve electricity generation, storage, and distribution technology to electrify life in one generation.
Who we are
Powering Ontario
Ontario’s need for power never takes a rest and neither does OPG — we’re on the job 24 hours a day, seven days a week, powering Ontario.
What we do
Public safety
We maintain a long-term commitment to the health, safety and energy needs of Ontarians, and it shows in everything we do.
Our commitments in action
Code of Business Conduct
We operate according to a Code of Business Conduct that ensures safety, integrity and efficiency for Ontario.
Governance & regulation

Workers in hard hats look out from the top of an open stairway before a huge Canadian flag in a nuclear plant.

Our role in the system

Our role is to help build a stronger Ontario by investing in clean, affordable power and energy solutions that help grow Ontario's economy.

Power generation

Nuclear power
Nuclear power plays an important role in Ontario and OPG’s energy mix, and its critical to helping us achieving our net-zero goals.
Our power
Educational resources
We support students and educators by providing learning resources developed specifically for teachers, young people and schools.
Our role in the system
Nuclear safety and emergency preparedness
We build safety into every step of our energy production and about our comprehensive emergency preparedness plans for Ontarians.
Our commitment to safety
- Nuclear safety and emergency preparedness
- Water safety

An aerial view of the Darlington Nuclear Generating Station.

Darlington refurbishment project

Our mission, vision & valuesAs Ontario’s largest clean electricity generator, see how our focus is on generating safe, efficient, and reliable energy.Learn MoreAbout Our ...

Projects & services

Darlington SMR
The Darlington site is the only location in Canada licenced for new nuclear with a completed and accepted Environmental Assessment.
Our projects
Clean energy credits
With an extensive portfolio of clean energy generation across North America, OPG can offer environmental credits in both Canada and the US.
Our services
- Electrification services
- Clean energy credits

Community investment

The Power for Change Project was designed to give back to Ontario and to the communities where we operate, to help build a cleaner, more sustainable future for generations to come.

Ouimet Canyon Provincial Park, Thunder Bay, Ontario

Territorial acknowledgement

We respectfully acknowledge that our facilities are located within the traditional and treaty territory of Indigenous Nations and communities.

Communities

Territorial Acknowledgement
- Territorial Acknowledgement
  OPG respectfully acknowledges that the lands on which its generating stations and other assets are located are within the traditional and treaty territory of many Indigenous communities. Click to read more.
Central Ontario
- Central Ontario
  Central Ontario is home to 20 of our hydroelectric facilities, some of which, like our Sills Island Generating Station, have been part of their community for more than one hundred years.
Eastern Ontario
- Eastern Ontario
  Eastern Ontario is host to one gas-fired generating station and 15 of our hydroelectric generating stations on the St. Lawrence, Ottawa and Madawaska Rivers.
Northeastern Ontario
- Northeastern Ontario
  Northeastern Ontario contains 14 of our hydroelectric stations, including several we built or redeveloped through key partnerships with local Indigenous communities.
Northwestern Ontario
- Northwestern Ontario
  Northwestern Ontario hosts 11 of our hydroelectric stations as well as a former coal generating station that we converted to use biomass as fuel.
Southern Ontario - Durham Region
- Southern Ontario - Durham Region
  The golden horseshoe of Southern Ontario is home to key operations including our Darlington and Pickering nuclear stations in Clarington and Pickering.
Southern Ontario - Niagara Region
- Southern Ontario - Niagara Region
  The golden horseshoe of Southern Ontario is home to key operations including our iconic Sir Adam Beck hydroelectric stations in Niagara Falls.
Southwestern Ontario
- Southwestern Ontario
  Southwestern Ontario is host to our NSS - Western Waste Management Facility in Bruce County, our Eugenia hydroelectric station near Meaford, and our Nanticoke Solar Facility on the site of the former Nanticoke coal station.

Hydroelectric Water Portal (water.opg.com)

Find water level and flow information from gauges on rivers where OPG operates hydroelectric stations in Ontario.

News & resources

Watt’s New
In our revamped e-newsletter, find out how we're helping electrify Ontario while strengthening its economy, communities, and the environment.
Newsroom
WattNext.ca
Ontario Science Centre, Ontario Tech University and OPG's energy education program aims to educate, inform, and connect Ontarians with energy careers.
Educational resources
Hydroelectric Water Portal (water.opg.com)

Careers
Investors
Reports
OPG Websites
- Initiatives
- Subsidiaries

Our reporting

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Explore our reports

At Ontario Power Generation (OPG), we operate in an open, honest, and transparent manner — that’s our commitment to you.

Explore our Financial, ESG, Regulatory, OEB, and Project Reporting, and see how we operate with Ontario’s best interests in mind.

An image collage featuring a turbine, construction vehicles and a woman wearing safety gear.

2024 Annual Report

Learn more about OPG's 2024 financial and operational performance in our Annual Report.

An aerial view of Whitedog Falls hydroelectric station.

Exploring Ontario's hydro opportunities

A 2023 report identifies areas of high generation potential, and provides initial estimates on developing this potential.

Two men in blue overalls and orange hard hats work on large machine parts.

Financial reports

Explore our reports to see how OPG's financial performance benefits all Ontarians.

A row of end covers from Darlington Unit 2 low pressure turbines lined up on the turbine floor.

Regulatory reporting

Learn more about OPG’s regulatory compliance through our environmental reports, station events and updates, and operational performance reports.

A Unit 2 turbine gets some attention at Darlington Nuclear Generating Station.

Darlington Refurbishment reports

See the latest reports and progress updates on one of Canada’s largest clean energy projects, the Darlington Refurbishment.

Home
Reporting

Territorial Acknowledgement

Central Ontario

Eastern Ontario

Northeastern Ontario

Northwestern Ontario

Southern Ontario - Durham Region

Southern Ontario - Niagara Region

Southwestern Ontario