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 partnerships & 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

The pristine turbine hall at Darlington Nuclear Generating Station.

Darlington refurbishment project

Once complete, this project will enable production of clean, safe, low-cost, and emission-free electricity from Darlington for 30 more years.

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

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.

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.

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.

Rough waters in the tailrace from Barrett Chute hydroelectric station.

Water system data portal

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

News & resources

Net-Zero News
A quarterly round-up of stories, news and profiles that highlight our best. See how we’re electrifying life in one generation.
Newsroom
Visitor centres
At our visitor centres, the public is welcomed to see how their power is made and learn about Ontario's low-carbon electricity system.
Educational resources
Water safety
Our commitment to public safety includes making sure people know about the dangers around our hydro stations and dams.
Water system data portal

Careers
Investors
Reports
OPG Websites

Protecting the environment

For our children and generations to come

Ontario is blessed with an abundance of lakes and rivers, forests and fields, and flora and fauna of all shapes and sizes. For centuries, this natural heritage has been passed down from one generation to the next. With operations that span the whole province, Ontario Power Generation (OPG) has a big role to play in protecting the natural beauty of our province and preserving it for future generations. It is a job we are proud to do.

Across our sites, we work with Indigenous and community partners on a number of environmental programs, from habitat restoration to planting native trees. Since 2000, we have planted more than 8.7 million trees, and we continue to help create hundreds of acres of new grasslands and wetlands.

Protecting biodiversity

The foundation of a healthy ecosystem.

Accent: wtqojpizhkur

8.7 million

That's how many native trees and shrubs OPG has helped to plant over the years. With each new tree planted, we are creating habitats and fighting climate change.

Stewards of our natural heritage

Through a variety of programs and partnerships, OPG is heavily invested in protecting and restoring natural environments across Ontario. In the face of a changing climate and collapsing biodiversity around the world, OPG is showing that the energy industry can be part of the solution. We are proud to have had a positive impact on Ontario's environment.

Bring Back the Salmon with OFAH

Starting about 12,000 years ago and up until 1896, the Atlantic salmon was a cold-water fish native to Lake Ontario. But due to human activities, the fish all but disappeared from Lake Ontario and its tributaries . . . until recently. With the help of partners like OPG, Atlantic salmon are making a comeback.

Launched in 2006, the Ontario Federation of Anglers and Hunters' (OFAH) Bring Back the Salmon program seeks to restore a self-sustaining Atlantic salmon population to Lake Ontario and its streams. As lead sponsor of the program since 2011, OPG has helped stock more than seven million Atlantic salmon in Lake Ontario and four target tributaries (Credit River, Duffins Creek, Cobourg Creek, and Ganaraska River).

Learn more about Bring Back the Salmon

Saving the wild with TWC

Since 1993, the Toronto Wildlife Centre (TWC) has become Canada's busiest wildlife centre, rescuing and rehabilitating thousands of sick, injured, and orphaned wild animals. Its wildlife hotline receives approximately 30,000 calls per year from members of the public and animal organizations, mostly from the Greater Toronto Area and Durham Region.

From education and outreach, to wildlife rescue and rehabilitation, TWC is at the frontline of biodiversity protection. This includes caring for thousands of animals every year, including species at risk.

OPG's ongoing support has been important in furthering outreach and education efforts with the public.

Learn more about the Toronto Wildlife Centre

Wildlife Habitat Council Certification

Nine of OPG's generating sites have achieved Wildlife Habitat Council (WHC) certification and seven of our sites have been certified "Gold" within this biodiversity conservation certification program.

The WHC certifies conservation programs on corporate lands around the world and promotes environmental management through various partnerships and education. OPG's nine WHC-certified sites have gone above and beyond to both protect and enhance wildlife habitats on their properties, demonstrating a commitment to environmental stewardship and the conservation of native biodiversity. For example, our Darlington site features a variety of protected habitats including diverse woodland, grassland, and wetland habitats, now home to species at risk, like the bobolink and meadowlark.

OPG continues to demonstrate excellence in biodiversity conservation through science-based land stewardship and community partnerships.

Learn more about the Wildlife Habitat Council

Nature Conservancy of Canada

In 2022, OPG partnered with Nature Conservancy of Canada to support work in the Rice Lake Plains to restore 3.6 square kilometres of tallgrass prairie. This work included conducting grassland planting, public engagement, and invasive species control.

Learn more about the Nature Conservancy of Canada

Heartland Forest Nature Experience

OPG and Heartland have been partners since 2016. Heartland's mission is to ignite curiosity and respect for our natural world through accessible, interactive, and educational programs. In 2022, OPG worked with Heartland to plant a wet meadow Indigenous garden and restore the nature centre's backyard bog garden while also developing their citizen science curriculum to help restore pond and garden habitat.

Learn more about Heartland Forest Nature Experience

Essex Region Conservation Authority

With the help of OPG, Essex Region Conservation Authority (ERCA) is working to increase the forest cover in Essex to 12%, helping expand natural corridors in a highly fragmented landscape while providing diverse habitat for the many species at risk needing space to thrive in the area.

Learn more about the Essex Region Conservation Authority

Local Enhancement and Appreciation of Forests (LEAF)

Local Enhancement and Appreciation of Forests (LEAF) is a not-for-profit dedicated to protecting and improving the urban forest in the Greater Toronto Area. OPG has partnered with LEAF to promote the importance of urban forests and backyard tree planting while engaging citizens in urban forest stewardship through community plantings, education, and training.

Learn more about LEAF

OPG is celebrating 10 years since it closed its entire coal-generating fleet.

Our stories · 9 min read

OPG marks 10 years since the closure of its last coal-fired station

Ten years ago, OPG played a pivotal role in completing one of the world’s single-largest actions to combat climate change to date.

Each spring, rivers across Ontario experience higher flows from melting winter snow and increased rainfall – a phenomenon known as freshet.

Our stories · 9 min read

OPG’s hydro operations preparing for whatever spring has in store

Freshet may be weeks away, but OPG’s hydroelectric operations and employees are already preparing for the annual deluge of water.

Representatives from OPG, Laurentis Energy Partners, Energy Solutions Canada, and the Mayor of the Municipality of Kincardine, Kenneth Craig, cut the ceremonial ribbon to officially open the Western Clean-Energy Sorting and Recycling (WCSR) facility.

Our stories · 8 min read

OPG, Laurentis mark grand opening of new nuclear materials sorting facility

A new nuclear materials sorting facility in Kincardine is now operating at full tilt, helping to reduce nuclear materials.

Results 1-3 of 63

Aerial view of a country highway by a lake and through a forest on a misty morning

Climate: nothing matters more

The single-biggest way OPG can help the environment is through our Climate Change Plan, which outlines our actions for a carbon emissions-free future.

Water rushing down a forest-lined riverbed.

We believe it is our duty to protect and nurture Ontario's environment and unique biodiversity for the benefit of future generations, because it's the right thing to do.