After selecting Rolls-Royce as the United Kingdom’s preferred bidder to build the country’s first small modular reactors (SMRs), the government has confirmed the start of project development in Wales. The development of SMR technology is expected to help the U.K. expand its nuclear power capacity, as well as become a competitive SMR power. However, the United States Trump administration, which recently signed an agreement with the U.K. for SMR development, does not support the choice of a British company for the development of the technology.
In June, the U.K. government announced that Rolls-Royce SMR had been selected as the preferred bidder to partner with Great British Energy – Nuclear (GBE-N) to develop SMRs, subject to final government approvals and contract signature. The government pledged almost $3.3 billion for the SMR programme, expecting to support the creation of 3,000 new skilled jobs and power the equivalent of roughly 3 million homes with clean, domestic energy.
The SMR project marks a major shift in the U.K.’s approach to nuclear energy, as it develops the first two major conventional nuclear plants in several decades and invests in new nuclear technologies. SMRs are smaller and faster to build than conventional nuclear reactors, and their modular nature means that more capacity can be added as required.
In November, the government announced plans to develop a first-of-its-kind nuclear power station on the Welsh island of Anglesey. The plant at Wylfa will be home to three SMRs, although it will have space for up to eight, with works expected to commence in 2026 and first power generation in the mid-2030s.
The existing nuclear plant at Wylfa was powered down in 2015, and previous plans for a large-scale replacement were scrapped in 2021. The new project is expected to bring a much-needed boost to Anglesey’s economy, as well as provide jobs for several decades. Prime Minister Kier Starmer said, “Britain was once a world leader in nuclear power, but years of neglect and inertia have meant places like Anglesey have been let down and left behind. Today, that changes.”
The First Minister of Wales, Eluned Morgan, supports the project and has been “pressing the case at every opportunity for Wylfa’s incredible benefits”. Meanwhile, the U.K. energy minister, Ed Miliband, said that Britain is in the race for new reactors. Miliband said in a radio interview that the aim is to “work with local colleges to make sure that there are local skills providers, skills training opportunities, so local people get these jobs”.
The SMRs will be built in a modular format in factories before being shipped to site to be assembled. However, several challenges remain, including getting regulatory approval, building the SMR factories, and training the workforce to operate the sites. Rolls-Royce will build on its experience developing reactors for Britain’s nuclear submarines to develop the SMRs. Since promoting its SMR business, the British firm has attracted several investors, including the UAE’s sovereign wealth fund – the Qatar Investment Authority, the American utility Constellation, and CEZ, the Czech Republic’s power company.
While the new project offers high hopes for the development of the U.K.’s nuclear energy industry, U.S. President Trump is less than happy with Prime Minister Starmer’s selection of Rolls-Royce for the job. The U.S. was reportedly hoping that the U.K. government would choose American Westinghouse Electric Company to develop a conventional nuclear plant at Wylfa.
Before the Anglesey project was announced, the U.S. ambassador Warren Stephens published a statement saying that Britain should choose “a different path” in Wales. “We are extremely disappointed by this decision, not least because there are cheaper, faster and already-approved options to provide clean, safe energy at this same location,” Stephens stated. The ambassador’s response follows the signing of a nuclear partnership between the U.K. and the U.S. in September, with a potential value of $100 billion.
However, a source close to the U.K. government said, “This is the right choice for Britain. This is our flagship SMR programme, producing homegrown clean power with a British company, and we have chosen the best site for it.”
Nevertheless, the U.K. government said that developing SMRs at Wylfa “doesn’t close the door” to a U.S. manufacturer working on a future project. GBE-N is also assessing different sites in the U.K. for the potential development of another large-scale nuclear power plant, like Hinkley Point in Somerset and Sizewell C in Suffolk, which are currently being developed and are expected to power around six million homes once complete.
Despite the agreement for greater cooperation between the U.K. and the U.S. on nuclear power, the U.K. government has chosen a British company to develop its first SMR project, showing its support for the development of domestic nuclear technologies. The project is expected to make the U.K. highly competitive in the field of SMR reactor development over the coming decade, as well as diversify the country’s nuclear power industry.
By Felicity Bradstock for Oilprice.com
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