Nuclear Sites

The government has named UK six nuclear sites currently being

decommissioned where there is interest in establishing new nuclear
developments. The SMR ambitions, revealed as part of the US-UK nuclear
deal, named Hartlepool in County Durham, Cottam in Nottinghamshire and
London Gateway port in Kent as potential locations for hosting new small
reactors. The new regulation for nuclear developments, including siting –
National Policy Statement for nuclear energy generation (EN-7) – was
published in draft form in February 2025. This new policy will open up more
potential locations for new nuclear developments beyond the eight sites
stipulated in the former statement. In April, the government said it
planned to publish the final EN-7 policy by the end of 2025. Great British
Energy – Nuclear is already assessing Wylfa on the Isle of Anglesey in
North Wales and Oldbury-on-Severn in Gloucestershire, as potential sites
for hosting three 470MW Rolls-Royce SMR reactors. Both Wylfa and Oldbury
have historic nuclear power plants, which are undergoing decommissioning.
Now the government has named four additional sites where nuclear reactors
are being decommissioned that are being considered for new nuclear
developments. It named them in response to a parliamentary question. “The
government is also aware of developer or community interest in nuclear
projects at several other sites, including those being decommissioned.
These include Pioneer Park (Moorside), Trawsfynydd (via Cwmni Egino),
Hartlepool, and Dungeness.” Pioneer Park at Moorside in Cumbria is a
project led by Energy Coast West Cumbria (BEC) which is a joint venture
(JV) between the Nuclear Decommissioning Authority (NDA) and Cumberland
Council. BEC’s website makes reference to the government having announced
in June 2025 that part of the Moorside site was designated as suitable for
nuclear generation. The JV says Pioneer Park “will be a transformative
project designed to diversify and strengthen the local economy in West
Cumbria, reducing reliance on the Sellafield site while creating new
opportunities in the clean energy sector”. Kent County Council pursuing
one or more SMR at Dungeness. In June 2023, a report from Kent County
Council updated cabinet members “on the opportunity to secure a nuclear
future for Dungeness and seeks support for a coordinated campaign of
action”. The report from Kent County Council cabinet member for economic
development Derek Murphy said: “We believe Dungeness is a perfect
location for one (or more) of the new breed of SMRs safely producing green,
low carbon energy and retaining high-quality jobs and skills in the area
while helping to power local growth.” It went on to say that the council
would continue to conduct discussions about potential reactors which could
be deployed at the site with vendors, and committed to undertake “soft
market testing to develop a small number of high-level proposals for the
site”. Cwmni Egino was set up by the Welsh Government in 2021 to explore
opportunities to develop new nuclear projects in Wales at Wylfa and
Trawsfynydd – both of which host nuclear power stations that are being
decommissioned. The organisation says it has confirmed the “viability of
small scale nuclear at Trawsfynydd”. Small scale nuclear could mean small
modular reactors (SMRs), advanced modular reactors (AMRs) or micro-modular
reactors (MMRs). The Trawsfynydd, however, also appears to be being
considered as a potential host for a medical research reactor, under the
Welsh Government’s Project Arthur, according to Cwmni Egino.

 New Civil Engineer 30th Sept 2025 

 https://www.newcivilengineer.com/latest/government-names-six-decommissioning-sites-being-considered-for-new-nuclear-30-09-2025/