SPEA Congratulates Successful Completion of Darlington Nuclear Refurbishment
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This section is Partnership Content suppliedThe content in this section is supplied by GlobeNewswire for the purposes of distributing press releases on behalf of its clients. Postmedia has not reviewed the content. by GlobeNewswire Article contentEngineering excellence and technical expertise deliver world’s largest nuclear refurbishment ahead of schedule and under budgetSign In or Create an AccountEmail AddressContinueor View more offersArticle contentMISSISSAUGA, Ontario, Feb. 02, 2026 (GLOBE NEWSWIRE) — The Society of Professional Engineers and Associates (SPEA) congratulates Ontario Power Generation, the Government of Ontario, and all project partners on the successful completion of the Darlington Nuclear Generating Station refurbishment. The return of Unit 4 to service four months ahead of schedule and $150 million under budget represents a remarkable achievement for Ontario’s nuclear sector and demonstrates Canada’s continued global leadership in nuclear technology.Article contentWe apologize, but this video has failed to load.Try refreshing your browser, ortap here to see other videos from our team.Article contentArticle contentSPEA members—the engineers who design CANDU nuclear reactors and maintain the intellectual property of the technology that powers these systems—are proud to have played an important role in delivering this historic project. The completion of all four refurbished units extends Darlington’s operating life to at least 2055 and will generate enough clean, reliable electricity to power 3.5 million homes for the next 30 years.Article contentTop StoriesGet the latest headlines, breaking news and columns.There was an error, please provide a valid email address.Sign UpBy signing up you consent to receive the above newsletter from Postmedia Network Inc.Thanks for signing up!A welcome email is on its way. If you don't see it, please check your junk folder.The next issue of Top Stories will soon be in your inbox.We encountered an issue signing you up. Please try againInterested in more newsletters? Browse here.Article content“This achievement is a testament to the dedication, expertise, and collaborative spirit of Ontario’s nuclear engineering community,” said Mark Chudak, President of SPEA. “Our members have worked tirelessly alongside skilled tradespeople, project managers, and industry partners to deliver the world’s largest nuclear refurbishment safely, efficiently, and to the highest technical standards. Completing this project ahead of schedule and under budget reinforces Canada’s position as a global leader in nuclear technology and project execution.”Article contentThe Darlington refurbishment involved the complete overhaul of all four reactor units, including the replacement of thousands of fuel channels, feeder tubes, calandria tubes, and end fittings, as well as critical system improvements and plant upgrades. The project’s success demonstrates the strength of Canada’s CANDU technology, and the deep engineering expertise required to maintain and advance this world-class nuclear platform.Article contentArticle contentReza Ziaei, Vice President of SPEA, stated, “SPEA members design the CANDU reactor core and offer engineering and technical services including regulatory registration, inspection, construction oversight, project management, quality management, and document control. Their technical knowledge, innovative problem-solving, and commitment to excellence ensure that Canadian nuclear technology continues to set the global standard. We are proud of the team effort that delivered this project and remain committed to building world-class nuclear technology in Canada that is used around the world.”Article contentAs Ontario moves forward with an ambitious nuclear expansion agenda—including the Pickering refurbishment, small modular reactor development, and potential new builds—SPEA and its members remain dedicated to advancing Canadian nuclear innovation and maintaining the engineering excellence that has made Ontario a global nuclear leader.Article contentAbout SPEAArticle contentThe Society of Professional Engineers and Associates (SPEA) is a union representing engineers, scientists, technologists, skilled trades persons, designers, operations administrators, and other specialists who work for Candu Energy Inc. Collectively, we represent most of Canada’s nuclear power reactor design expertise. In November 2023, SPEA entered into a trial affiliation with Unifor as Local 7474.Article contentArticle contentArticle contentArticle contentArticle contentArticle contentMedia Contact: Michelle Duncan Society of Professional Engineers and Associates 416-427-3525 michelle.duncan@spea.caArticle contentTrending Despite 'elbows up,' Canada on track to be net lender to U.S. for the ninth straight year Economy FAA backs Trump’s attacks on Canada over airplane certifications Airlines Subscriber only. 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Despite 'elbows up,' Canada on track to be net lender to U.S. for the ninth straight year Economy FAA backs Trump’s attacks on Canada over airplane certifications Airlines Subscriber only. In Canadian real estate's longest winter, buyers hold the power as sellers face reality Subscriber only Real Estate TFSA vs. RRSP: How Canadians from gen Z to the baby boomers can get the most out of their savings Personal Finance A tidal wave of business exits is coming, with $300 billion in revenue up for grabs, says BDC Economy