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Towards a Cleaner Energy Future

OPG's Darlington nuclear site has been selected by the Government of Ontario as the location for Ontario's next nuclear generating facility. OPG is proud to have been selected as the operator of this new facility. It will be the first new nuclear station to be built in Ontario in more than 15 years.

The environmental assessment (EA) and licensing processes continues for this project. Click here to visit the EA website.

Project News

May 5, 2010

The Joint Review Panel for the Darlington New Nuclear Power Plant Project invites the public to attend information sessions. The objective of the information sessions is to provide members of the public, Aboriginal groups, governments and other interested parties an opportunity to hear about the joint review, the Panel's role and mandate and how to participate in the process. For more information on the sessions, read the Joint Review Panel's media release.

February 4, 2010

The Joint Review Panel (JRP) for the Darlington New Nuclear Power Plant Project requested that the project proponent, Ontario Power Generation (OPG), provide additional information in support of the Environmental Impact Statement (EIS) and Application for a Licence to Prepare a Site. Read the Canadian Environmental Assessment Agency media release.

November 16, 2009

The Joint Review Panel for the Darlington New Nuclear Power Plant Project announces the start of the six-month public review period on the adequacy of the Environmental Impact Statement (EIS) and the Application for a Licence to Prepare a Site submitted by the proponent, Ontario Power Generation to the Canadian Nuclear Safety Commission (CNSC). Read the news release on the Canadian Environmental Assessment Agency website.

November 2, 2009

The Canadian Environmental Assessment Agency has awarded a total of $155,927 to five applicants to support their participation in the environmental assessment process for the Darlington New Nuclear Power Plant Project located at the existing Darlington Nuclear site. Read the news release on the Canadian Environmental Assessment Agency website.

October 30, 2009

Canada's Environment Minister Jim Prentice and Mr. Michael Binder, President and CEO of the Canadian Nuclear Safety Commission (CNSC), announce the establishment of a three-member joint review panel for the proposed Darlington New Nuclear Power Plant Project. Read the news release on the Canadian Environmental Assessment Agency website.

September 30, 2009

OPG has submitted the Environmental Impact Statement (EIS) and updated application for the “Licence to Prepare Site” for the OPG New Nuclear at Darlington project. The submissions conclude that the Darlington Nuclear site is suitable for the development of a new nuclear plant. For more information visit the EA website.

June 29, 2009

The Government of Ontario suspends ‘Request for Proposal’ process to procure two replacement nuclear reactors planned for the Darlington site. Read the news release on the Government of Ontario Ministry of Energy and Infrastructure website.

June 19, 2009

New Nuclear Participant Funding Program Announcement

February 27, 2009

Infrastructure Ontario Announces: Three Submissions Received For Nuclear Procurement Project. Visit Infrastructure Ontario and look under Project Announcements.

September 5, 2008

Comments Invited on the Draft Environmental Impact Statement Guidelines and the Joint Review Panel Agreement . . .

June 16, 2008

Darlington Nuclear Announcement Is Major Milestone . . .

High-resolution site photos:


The Darlington nuclear site is approximately 480 hectares (1,186 acres) in size, located in the Municipality of Clarington, Ontario. The site is large enough to accommodate up to four additional reactors and is adjacent to a major transmission corridor with good access to a major load centre.

The host community of Clarington and the Region of Durham have both expressed their strong support for this project. OPG has developed and maintained a good working relationship with our neighbours and the municipal and regional governments. OPG has the support of Durham's business sector. Our employees, working with partners in the business, training and education fields, are leaders in the development of the Durham energy sector and business communities. OPG is recognized as a strong corporate citizen within Durham Region for the company and employee contributions and commitment to the well-being of the community.

Through the environmental assessment, OPG is ensuring members of the public have an opportunity to make their voice heard. Click here to find out how you can get involved.

OPG has extensive operating experience to draw on, having begun studying the site, the surrounding lands and waters in the 1970s. OPG also has a highly skilled workforce, with a track record of more than 35 years of safe and reliable nuclear performance while protecting the environment, workers and members of the public.

OPG has invested in education and training through the University of Ontario Institute of Technology and Durham College as well as significant in-house training programs to ensure a sustained workforce of highly skilled and trained employees for the future.

The completion of a federal environmental assessment (EA) is required before the issuance of any licence for a new nuclear plant. The EA must conclude that the project is not likely to cause significant adverse environmental effects given available mitigation measures.

The EA will include assessments of the environmental impact of alternative reactor technologies, condenser cooling, waste management and site layout considerations at the Darlington site. It also includes a comprehensive public consultation program.




Project EA

Click on the link below to go to the website for the Darlington New Build Environmental Assesment.

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Infrastructure Ontario

A commercial team directed by Infrastructure Ontario (IO) will manage the procurement process to select a nuclear reactor vendor. Click here to visit the IO site.



Nuclear Power



Learn more about OPG's nuclear fleet.

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