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Consultation on proposed changes to storage of radioactive wastes at Hinkley Point C NPP

The Environment Agency has launched a consultation on a proposed change to
the way radioactive waste will be stored at Hinkley Point C nuclear power
station near Bridgwater. Currently the Office for Nuclear Regulation
states: The waste will be stored on the Hinkley Point C site pending
availability of the GDF and the waste meeting the waste acceptance criteria
for the site (e.g. some heat generating radioactive waste may require
on-site storage until the thermal output has reduced).

Pressurised water reactors at Hinkley Point C will use uranium fuel to create heat and
generate electricity when operating. Once used within the reactor, nuclear
fuel will be stored on-site before being sent off-site to a Geological
Disposal Facility (GDF).

NNB Generation Company (HPC) Limited was
originally issued a radioactive substances environmental permit in 2013. In
the original design radioactive waste was to be stored on-site in ‘wet
storage’ – a method of submerging and storing in water. The operator has
now decided to change the technology by which it will store spent nuclear
fuel, from wet storage to ‘dry storage’.

Dry storage will see used nuclear fuel stored in sealed containers within a facility, before it is
sent to the GDF. This means the operator now seeks to change its
radioactive substances environmental permit to remove or amend specific
conditions related to the previous wet storage technology that are no
longer relevant. The operator has said altering the storage method will not
change the expected radiation dose to the general public from discharges or
the wider environment, which remains incredibly small. Separately, NNB
Generation Company (HPC) Limited will be seeking the necessary changes to
its Development Consent Order for Hinkley Point C in the autumn.

 Somerset Live 20th July 2022

July 19, 2022 - Posted by | UK, wastes

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