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Pelly's Space
Pelly is a uranium pellet who loves powering nuclear generation, bananas, and hanging out with his besties.
nuclearpelly.ca
Climate Challengers
OPG's podcast series featuring the people doing what they can to help to save the world from the consequences of climate change.
climatechallengers.com
Atura Power
Get to know Ontario's newest power generator. Atura power is helping enable a cleaner energy future.
aturapower.com
Laurentis Energy Partners
Learn more about Laurentis Energy Partners, an OPG subsidiary.
laurentisenergy.com
Prepare to be Safe
Learn more about nuclear emergency preparedness, and order your KI pills.
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- Home
- Powering Ontario
- Our generation
- Home
- Powering Ontario
- Our generation
Generating power with purpose
As the province’s leading clean power generator, Ontario Power Generation produces reliable, low-cost power using our diverse mix of generating sources. With the help of our employees, site communities and partners, we’re also working to ensure a more sustainable future, a cleaner environment, a stronger economy and more liveable communities.
See how OPG’s purpose goes beyond generating electricity.
Our generation by the numbers
18,225 Megawatts
In-service generating capacity (Mar. 31, 2023)
75 Stations
in Ontario
9,500 + Skilled
Employees supporting Ontario's economy
Safety, diversity and responsibility
OPG’s diverse, clean and low-cost electricity generation portfolio in Ontario includes:
66 hydroelectric stations
2 nuclear stations
1 biomass station
1 dual-fuelled oil and gas station
4 combined cycle gas turbine stations owned and operated by wholly-owned subsidiary Atura Power
1 solar facility
We operate our stations in a safe, transparent and environmentally-responsible manner. This includes protecting and enhancing the local environment, supporting the provincial and local economies and helping make our site communities better places to live, work and play.
OPG also owns a number of additional facilities in Ontario and the United States:
- OPG's US Hydroelectric Platform — OPG wholly or jointly owns and operates 85 hydroelectric generating stations and holds minority interests in 14 hydroelectric and two solar facilities in the United States through its US-based wholly-owned subsidiary, Eagle Creek Renewable Energy.
- Bruce nuclear stations — OPG also owns two other nuclear generating stations in Ontario that are leased to Bruce Power L.P.

Nuclear power
As the workhorse of Ontario’s electricity system, clean, low-cost nuclear power runs 24/7/365. OPG’s nuclear stations supply about 30% of the province’s electricity.
Generating capacity (Mar. 31, 2023): 4,850 MW
Stations: 2
2022 Output: 35.3 TWh

Hydroelectric power in Ontario
This timeless, renewable and low-cost source of power accounts for more than one-third of OPG’s electricity production.
Generating capacity (Mar. 31, 2023): 7,613 MW
Stations: 66
2022 Output: 34.2 TWh
Additional generation sources

Learn more about Ontario Power Generation’s Atikokan station that was converted from burning coal into the largest 100% biomass-fuelled plant in Nor...

Learn more about OPG’s portfolio of fuel-efficient gas-fired generating stations and explore how gas-fired power generation works.

Learn more about OPG's solar power portfolio including our Nanticoke solar facility on the site of a former coal station.
Our generation
All generation
Explore our interactive station map by simply selecting one of the power generation icons below:
- Auburn Generating Station
- Big Chute Generating Station
- Big Eddy Generating Station
- Bingham Chute Generating Station
- Coniston Generating Station
- Crystal Falls Generating Station
- Elliot Chute Generating Station
- Hagues Reach Generating Station
- Hanna Chute Generating Station
- Healey Falls Generating Station
- Lakefield Generating Station
- McVittie Generating Station
- Meyersburg Generating Station
- Nipissing Generating Station
- Ragged Rapids Generating Station
- Ranney Falls Generating Station
- Seymour Generating Station
- South Falls Generating Station
- Stinson Generating Station
- Trethewey Falls Generating Station
- Arnprior Generating Station
- Barrett Chute Generating Station
- Calabogie Generating Station
- Chats Falls Generating Station
- Chenaux Generating Station
- Des Joachims Generating Station
- Frankford Generating Station
- High Falls Generating Station
- Lennox Generating Station
- Merrickville Generating Station
- Mountain Chute Generating Station
- Otto Holden Generating Station
- RH Saunders Generating Station
- Sidney Generating Station
- Sills Island Generating Station
- Stewartville Generating Station
- Abitibi Canyon Generating Station
- Chute Generating Station
- Harmon Generating Station
- Hound Chute Generating Station
- Kipling Generating Station
- Little Long Generating Station
- Lower Notch Generating Station
- Lower Sturgeon Generating Station
- Matabitchuan Generating Station
- Otter Rapids Generating Station
- Peter Sutherland Sr. Generating Station
- Sandy Falls Generating Station
- Smoky Falls Generating Station
- Wawaitin Generating Station
- Aguasabon Generating Station
- Alexander Generating Station
- Atikokan Generating Station
- Cameron Falls Generating Station
- Caribou Falls Generating Station
- Ear Falls Generating Station
- Kakabeka Generating Station
- Lac Seul Generating Station
- Manitou Generating Station
- Pine Portage Generating Station
- Silver Falls Generating Station
- Whitedog Falls Generating Station
- DeCew I Generating Station
- DeCew II Generating Station
- Sir Adam Beck I Generating Station
- Sir Adam Beck II Generating Station
- Sir Adam Beck Pump Generating Station