nuclear-news

Britain to extend life of ageing nuclear plants to keep the lights on.

Hartlepool and Heysham 1 licenses prolonged to 2030 due to ‘dangerous gap’ in power supplies.

Jonathan Leake, Energy Editor, 21 January 2026 

Two of Britain’s oldest nuclear power plants
could be kept running for an extra two years because of an acute
electricity shortage in the UK. Hartlepool and Heysham 1, owned by EDF,
were due to shut down in 2028, but ministers want to extend the operating
licences to at least 2030 because the UK faces “a dangerous gap” in
power supplies if they shut.

Both have already been operating for 42 years
despite being scheduled to close for safety reasons in 2008. EDF,
France’s state-owned power utility, which operates all five UK nuclear
stations, said it was working to keep the stations operational without
compromising safety. Mark Hartley, from EDF, said: “In November, the UK
Government said that the retirement of these Advanced Gas-Cooled Reactors
(AGRs) risks leaving a dangerous gap in Britain’s low-carbon energy
supply. “It is our ambition to generate from the remaining AGR stations
for as long as it is safe and commercially viable to do so, and we will
keep their lifetimes under review to assess whether further life extensions
can be achieved.”

Sizewell B, the UK’s largest nuclear plant, is
already due to operate until 2035, and EDF hopes to extend this to 2055.
Two other stations, Torness and Heysham 2, were originally scheduled to
close in 2023 and have been cleared to generate until March 2030 after EDF
invested £8.6bn in the fleet.

The fate of Heysham 1 and Hartlepool is less
certain and will depend on the results of safety assessments. AGR reactors
contain radioactive uranium fuel pellets surrounded by massive graphite
blocks that absorb the high-energy neutrons emitted by the fuel, thereby
controlling the nuclear reaction.

However, over time, these blocks tend to
crack due to the intense radiation and heat to which they are exposed. Such
cracks have already forced the closure of several other UK power stations.
EDF’s safety assessment will need to be ratified by the Office for
Nuclear Regulation, which will need to approve the extensions as safe.

 Telegraph 21st Jan 2026, https://www.telegraph.co.uk/business/2026/01/21/britain-extend-life-ageing-nuclear-plants-keep-lights-on/

January 22, 2026 - Posted by Christina Macpherson | safety, UK