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

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.

Low water conditions at the tailrace of Lower Sturgeon hydroelectric generating station.

Hydroelectric Data Portal (water.opg.com)

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
Hydroelectric Water Portal (water.opg.com)

Careers
Investors
Reports
OPG Websites
- Initiatives
- Subsidiaries

Contact Ontario Power Generation

Engaging with our community members and business partners is a vital part of our operations and the way we conduct business at Ontario Power Generation (OPG).

There are two easy ways to get in touch. Either complete the form below to send us your questions and we’ll do our best to respond promptly, or give us a call.

A collection of wrenches from up close against a bright yellow background.

Power problem?

OPG generates the power Ontario relies on, but we don’t transmit or distribute it.

To report a power outage, please contact your local electrical utility.

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Contact us by phone or mail

You may also contact one of our many business addresses listed below.

Corporate Head Office

700 University Avenue
Toronto, ON M5G 1X6
Canada

Main Switchboard: 416-592-2555
Toll Free: 1-877-592-2555

For information about Accessibility at OPG, please visit our Accessibility web page.

Media Relations

700 University Avenue
Toronto, ON M5G 1X6
Canada

416-592-4008 (24 Hours)
1-877-592-4008 (Ontario only)

Investor Relations

700 University Avenue
Toronto, ON M5G 1X6
Canada

416-592-4008

Darlington Nuclear Information Centre

1855 Energy Drive
Courtice, ON L1E 0E7
Canada

905-623-7122
1-800-461-0034

Pickering Nuclear Information Centre

1675 Montgomery Park Road
Pickering, ON L1V 2R5
Canada

905-837-7272

Darlington New Nuclear

1855 Energy Drive
Courtice, ON L1E 0E7
Canada

1-800-461-0034

Darlington Refurbishment

1855 Energy Drive
Courtice, ON L1E 0E7
Canada

1-866-487-4600

Nuclear Waste Management

Box 7000, B21
Tiverton, ON N0G 2T0
Canada

519-361-6414 ext. 3456

Saunders Hydro Dam Visitor Centre

2500B Second Street West
Cornwall, ON K6H 5R6
Canada

613-932-4563

More info at www.opg.com/saunders

Pensioner Services

416-592-3700
1-855-592-3700

Home
Contact us

Territorial Acknowledgement

Central Ontario

Eastern Ontario

Northeastern Ontario

Northwestern Ontario

Southern Ontario - Durham Region

Southern Ontario - Niagara Region

Southwestern Ontario

Territorial Acknowledgement

Central Ontario

Eastern Ontario

Northeastern Ontario

Northwestern Ontario

Southern Ontario - Durham Region

Southern Ontario - Niagara Region

Southwestern Ontario

Contact Ontario Power Generation

Power problem?

Contact us by phone or mail

Corporate Head Office

Media Relations

Investor Relations

Darlington Nuclear Information Centre

Pickering Nuclear Information Centre

Darlington New Nuclear

Darlington Refurbishment

Nuclear Waste Management

Saunders Hydro Dam Visitor Centre

Pensioner Services

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