The Hinkley Point C nuclear power station in Somerset, southwest England, has achieved a significant milestone with the installation of Britain’s first new nuclear reactor in more than 30 years.
This is a crucial step in advancing the UK’s energy security, as the reactor will contribute to generating reliable low-carbon electricity for three million homes, supporting the nation’s net zero objectives.
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The installation of the first of two 13-metre-long reactor pressure vessels is a pivotal development. Once both units are operational, Hinkley Point C will supply 7% of Britain’s electricity.
It follows the steel dome’s installation less than 12 months ago in late 2023, closing the reactor building. The last such installation was at Sizewell B back in 1991.
UK Energy Secretary Ed Miliband stated: “Installing the first reactor pressure vessel at Hinkley Point C is a significant feat of engineering and a major step forward for the UK’s most advanced nuclear project.
“Getting Hinkley up and running to produce clean power for six million homes will be a win for our long-term energy independence, protecting billpayers as we accelerate to net zero.”
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By GlobalDataThe reactor pressure vessel (RPV), a 500t steel container, holds nuclear fuel to generate heat and produce steam for the world’s largest turbine, built by Arabelle Solutions.
Manufactured by Framatome in France, the RPV arrived at Hinkley Point C in February 2023 and was placed in storage.
The RPV was transported onto rails and passed through a 19.5m high equipment hatch. Using the internal polar crane, it was rotated and gently lowered onto a support ring, ensuring a 40mm clearance on both sides. The installation of four 25m high steam generators is scheduled for 2025.
The RPV meets high technical standards and quality requirements, with ongoing oversight from the Office for Nuclear Regulation. This ensures compliance with stringent standards throughout the manufacturing process.
The installation progresses the power station’s fit-out, which includes 360km of pipes and 10,000km of cables.
Hinkley Point C managing director Stuart Crooks stated: “This is an important moment, not just for the team at Hinkley Point C, but for everyone who wants to see the UK deliver energy security, fight climate change and provide power for our AI and digital future.
“We are working hard to play our part and using the experience gained delivering the first reactor to drive efficiencies in building our second one. That experience will also benefit follow-on projects, such as Sizewell C, as well as boosting jobs and skills for the UK’s growth agenda.”
This is the first of two reactors at Hinkley Point C. The two units provide enough low-carbon electricity to power six million homes.
