
OPG is a leading provider of electricity in Ontario, Canada, generating power from a diverse mix of sources, including nuclear, hydroelectric, and fossil fuels.
The company operates 66 generating stations, including the Darlington Nuclear Generating Station, which is one of the largest nuclear power plants in the world.
OPG's hydroelectric power plants are located in various parts of the province, including the Niagara River and Lake Ontario.
The company's power grid is connected to the Independent Electricity System Operator (IESO), which manages the flow of electricity across Ontario.
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History and Establishment
Ontario Power Generation was established in April 1999 as part of plans by the Progressive Conservative government of Premier Mike Harris to privatize the assets of Ontario Hydro and deregulate the province's electricity market.
OPG was one of the five successor corporations to Ontario Hydro and assumed ownership of all generating stations.
The company has a rich history, having celebrated its 25th anniversary on April 1, 2024, commemorating a quarter-century of providing reliable electricity to the province.
By marking this milestone, OPG highlighted its evolution, major projects, and commitment to a clean energy future.
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Nuclear Operations
Ontario Power Generation (OPG) is a significant player in the nuclear power sector. OPG owns four nuclear power plants, including the Pickering Nuclear Generation Station in Pickering, Ontario, and the Darlington Nuclear Generating Station in Courtice, Ontario.
The Pickering Nuclear Generating Station is a vital part of Ontario's energy mix, with plans to continue operating until 2024. In fact, the province of Ontario approved plans to extend the station's operation in January 2016.
OPG has a long-term lease with Bruce Power to operate the two nuclear power plants that make up the Bruce Nuclear Generating Station on Lake Huron. This partnership is crucial for Ontario's energy security.
The nuclear power plants owned by OPG are a reliable source of clean energy, accounting for roughly 60 percent of Ontario's electricity. No fatal accidents related to nuclear power have occurred in Ontario, making it a safe and reliable energy source.
Here's a breakdown of OPG's nuclear power plants:
OPG's nuclear power plants are a crucial part of Ontario's energy mix, providing a reliable and clean source of electricity.
Environmental Impact
Ontario Power Generation has a significant impact on the environment, with its operations contributing to greenhouse gas emissions. According to the company's own reports, its facilities released 33.6 megatonnes of carbon dioxide in 2020.
The company's reliance on fossil fuels is a major contributor to its environmental footprint. In 2020, 93% of its electricity generation came from fossil fuels, including coal and natural gas.
Ontario Power Generation has made efforts to reduce its environmental impact, including the closure of its coal-fired power plants. The company plans to phase out its remaining coal-fired units by 2025.
The company's nuclear facilities, on the other hand, are a significant source of low-carbon electricity. In 2020, nuclear power accounted for 6% of Ontario's electricity generation.
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Commercial Operations
Commercial operations are a key part of Ontario Power Generation's (OPG) strategy, and in January 2016, the province of Ontario approved plans to pursue continued operation of the Pickering Nuclear Generating Station to 2024.
OPG will work with several government agencies and organizations to make this happen, including the Ministry of Energy, the Independent Electricity System Operator, and the Ontario Energy Board. They're aiming to ensure a reliable source of electricity during the refurbishment of the Darlington Nuclear Generating Station and the initial Bruce Nuclear refurbishments.
The plan requires approval from the Canadian Nuclear Safety Commission, and OPG is currently working on a licence application to get the green light.
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OPG, along with its partner Energy Capital Partners, successfully completed the acquisition of Vistra Corp's portfolio of combined-cycle gas turbine power plants.
This strategic move adds approximately 1,998 MW of efficient, flexible generation capacity to OPG's subsidiary, Atura Power.
The acquisition marks a significant milestone for OPG, solidifying its position in the energy sector.
The combined-cycle gas turbine power plants will be managed by OPG's subsidiary, Atura Power.
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Commercial Operations in Pickering

Commercial operations in Pickering have been a topic of interest in recent years. In January 2016, the province of Ontario approved plans to pursue continued operation of the Pickering Nuclear Generating Station to 2024.
The Ontario Power Generation (OPG) will work with several organizations to make this happen. This includes the Ministry of Energy, the Independent Electricity System Operator, and the Ontario Energy Board.
All six units at the Pickering Station would operate until 2022, after which two units would shut down and four units would continue to operate until 2024. This extension will ensure a reliable source of electricity during the refurbishment of the Darlington Nuclear Generating Station and the initial Bruce Nuclear refurbishments.
The Canadian Nuclear Safety Commission (CNSC) must approve any plan to extend Pickering's life. OPG is currently working on a licence application to the CNSC for approval in 2018.
OPG has announced a partnership with GE Hitachi Nuclear Energy to deploy a small modular reactor (SMR) at the Darlington new nuclear site. This project is expected to be completed as early as 2028.
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Controversies and Criticism
Ontario Power Generation has faced criticism for its role in the nuclear industry. The company's nuclear reactors have been a source of controversy due to concerns about safety and waste disposal.
The Pickering Nuclear Generating Station, which is operated by Ontario Power Generation, has been the subject of protests and criticism due to its aging reactors. The station has been in operation since 1971.
Critics have raised concerns about the potential risks of a nuclear accident at the Pickering station. Ontario Power Generation has been criticized for its handling of nuclear waste, which has been stored on site.
The company has also faced criticism for its role in the nuclear industry's contribution to greenhouse gas emissions. Nuclear power plants release radioactive materials into the environment, which can have negative health effects.
Protests have been held outside the Pickering station, with activists calling for the shutdown of the facility. Ontario Power Generation has defended its operations, citing the importance of nuclear power in meeting Ontario's energy needs.
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Company Information
Ontario Power Generation is a Canadian electricity generation company that was formed in 1999 through the privatization of the province's electricity assets. It is headquartered in Toronto, Ontario.
The company is a subsidiary of the Ontario Energy Board and is responsible for generating over 50% of Ontario's electricity. Its power plants are located throughout the province, including in the Bruce Peninsula and on the shores of Lake Huron.
Who's Investing
Ontario Power Generation has been backed by several prominent investors over the years.
The company's financial support comes from a variety of sources, with Ontario Power Generation being a publicly traded company.
One of its main investors is the Ontario government, which has a significant stake in the company.
The Ontario government's investment in Ontario Power Generation is a result of the company's history and origins.
It's worth noting that the specific details of the Ontario government's investment are not publicly disclosed.
However, it's clear that the government's involvement in the company is substantial.
HQ Significance:

Our company plays a crucial role in Ontario's energy security and economic stability.
As one of North America's largest electricity generators, our headquarters is the command center that makes it all happen.
Email Formats
Email Formats are often standardized within organizations to facilitate direct communication with employees.
Ontario Power Generation commonly uses the email format [email protected].
This format is a standard convention for many large organizations.
The success rate for using this format is 85%.
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Leadership and Employees
Ontario Power Generation has made some significant changes to its leadership in the past 12 months. A new Chief Financial Officer and Chief Information Officer have been appointed, while the Chief Strategy Officer has retired.
The company has also promoted an internal leader to Chief Projects Officer, reflecting strategic shifts and ongoing succession planning. This indicates a focus on future growth and development.
Overall, these changes suggest that Ontario Power Generation is committed to adapting to changing circumstances and ensuring a smooth transition of leadership roles.
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Recent Leadership Changes
In the past 12 months, Ontario Power Generation has seen significant changes in its executive leadership.
A new Chief Financial Officer has been appointed to the company, bringing fresh perspectives to the role.
The Chief Information Officer position has also been filled with a new leader, who will be responsible for overseeing the company's technology and IT strategies.
The company's Chief Strategy Officer has retired, marking the end of an era for this key role.
An internal leader has been promoted to Chief Projects Officer, reflecting the company's commitment to succession planning and developing its own talent.
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Employees by Region or Country
Understanding your team's geographical distribution can be a game-changer for leadership. This is where exploring employees by region or country comes in.
You can see where a company's workforce is located, by country or region, to get a better grasp of your team's demographics. This information can be incredibly valuable in making informed decisions about resource allocation and talent management.

Having a diverse workforce can bring many benefits, including new perspectives and ideas. By understanding where your employees are based, you can tailor your approach to meet their unique needs and preferences.
For instance, you might find that a significant portion of your team is based in a particular region, allowing you to tailor your communication strategies and training programs to better suit their needs.
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About the Company
Ontario Power Generation (OPG) is a Canadian electricity generator and distributor that operates 67 generating stations, including the Darlington Nuclear Generating Station and the Pickering Nuclear Generating Station.
The company was formed in 1999 through the privatization of Ontario Hydro's power generation assets.
OPG is headquartered in Toronto, Ontario, and serves over 1.3 million customers across the province.
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Where Is Headquarters?
Our headquarters is located in New York City, a hub for innovation and entrepreneurship.
We have a dedicated team of professionals who work tirelessly from our NYC office to drive our mission forward.
Our NYC office is situated in the heart of Manhattan, providing easy access to major transportation hubs and amenities.
From our NYC office, we are able to stay connected with our global network of partners and clients.
We have a strong presence in the US market, with a focus on serving the needs of our customers across the country.
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About the Sites
OPG is looking to expand its operations to three new sites in Southern Ontario. These sites are already zoned for electricity generation and have proximity to transmission lines.
The sites are located in areas with a lot of growth, making them ideal for development. One of the sites, Wesleyville, covers about 1300 acres and is adjacent to the Durham Region, which hosts the Pickering and Darlington nuclear generating stations.
Nanticoke, another site, is a former coal generating site that's currently being used for a solar facility. It has existing transmission connections, a railway, and a dock, making it a convenient location for energy development.
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Lambton, the third site, is also a former coal generating site with access to a railway and a deepwater dock. It has the potential to reuse some of the existing site features from previous generation.
Here's a brief overview of the three sites:
- Wesleyville (Port Hope): 1300 acres, adjacent to Durham Region
- Nanticoke (Haldimand County): Former coal generating site with existing transmission connection, railway, and dock
- Lambton (St Clair Township): Former coal generating site with access to railway and deepwater dock
Frequently Asked Questions
Where does Ontario get most of its power from?
Ontario generates most of its electricity from nuclear and hydroelectric power plants, which produce low levels of greenhouse gas emissions. This makes Ontario's power grid one of the cleanest in North America.
How big is the electricity generation in Ontario?
Ontario has a significant electricity generation capacity of 39,569 megawatts, making it a major player in Canada's energy landscape. Learn more about Ontario's clean energy sources, which account for 91% of its electricity production.
Who owns Ontario Power Generation?
Ontario Power Generation is wholly owned by the Province of Ontario. The province has complete control over the company through its ownership.
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