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Energy firm newcleo says it will suspend UK lead-cooled fast reactor development

Published by Global Banking & Finance Review

Posted on July 30, 2025

1 min read

· Last updated: January 22, 2026

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LONDON (Reuters) -Energy firm newcleo said on Wednesday it would suspend its programme to develop lead-cooled fast reactors (LFR) in Britain and substantially wind down its UK activities. LFRs are a

newcleo Halts Development of Lead-Cooled Fast Reactors in the UK

newcleo's Reactor Development Suspension

LONDON (Reuters) -Energy firm newcleo said on Wednesday it would suspend its programme to develop lead-cooled fast reactors (LFR) in Britain and substantially wind down its UK activities.

LFRs are a type of small modular nuclear reactor technology which are smaller than conventional nuclear reactors.

The firm, established in and headquartered in Britain, said it had planned to develop up to four such reactors in the UK, producing a total of 800 megawatts, enough to power around 1.6 million homes, and representing around 4 billion pounds ($5 billion) of investment.

($1 = 0.7525 pounds)

(Reporting by Nina ChestneyEditing by Mark Potter)

Key Takeaways

  • newcleo halts lead-cooled fast reactor development in the UK.
  • The project aimed to produce 800 megawatts of power.
  • The suspension affects a planned £4 billion investment.
  • LFRs are smaller than conventional nuclear reactors.
  • newcleo is headquartered in Britain.

Frequently Asked Questions

What has newcleo announced regarding its UK operations?
Newcleo announced that it will suspend its programme to develop lead-cooled fast reactors in Britain and substantially wind down its UK activities.
What are lead-cooled fast reactors?
Lead-cooled fast reactors (LFRs) are a type of small modular nuclear reactor technology that are smaller than conventional nuclear reactors.
How many reactors did newcleo plan to develop in the UK?
Newcleo had planned to develop up to four lead-cooled fast reactors in the UK, which would produce a total of 800 megawatts of energy.
How many homes could the planned reactors power?
The planned reactors were expected to produce enough energy to power around 1.6 million homes.
What is the current exchange rate mentioned in the article?
The article mentions that $1 is equivalent to 0.7525 pounds.

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