United Kingdom

Proposed change to how Hinkley Point C stores radioactive waste

Pressurized water reactors at Hinkley Point C will use uranium fuel to generate heat and generate electricity as they operate. After use in the reactor, the nuclear fuel will be stored on site before being sent off-site to a Geological Disposal Facility (GDF).

NNB Generation Company (HPC) Limited was initially granted an environmental clearance for radioactive materials in 2013. In the original design, the radioactive waste was to be stored on site in “wet storage,” a method of submersion and storage in water.

The operator has now decided to change the technology in which it will store spent nuclear fuel from wet storage to “dry storage”. Dry storage will see spent nuclear fuel stored in sealed containers before it is sent to GDF. This means that the operator is now seeking to change its radioactive material environmental permit to remove or modify specific conditions associated with the previous wet storage technology that no longer meet.

The operator said the change in storage method would not change the radiation dose expected to the general public from emissions or the wider environment, which remains incredibly small.

Separately, NNB Generation Company (HPC) Limited will seek the necessary changes to its development consent order for Hinkley Point C in the autumn.

The Environment Agency has today launched a four-week public consultation where you will be able to view the application and send your comments.

All documents are available to view and download online https://consult.environment-agency.gov.uk/nuclear/hpc-variation-rsr-permit-fuel-store/.

Paper copies can be made available upon request.

Please send your comments via the above website or in writing, quoting reference EPR/ZP3690SY:

  • Email bërtham@environment-agency.gov.uk
  • Mail: Hinkley Point C Consultation, Environment Agency, Nuclear Regulation Group, Red Kite House, Howbery Park, Wallingford, Oxfordshire, OX10 8BD.

The consultation will close at 11.59pm on Sunday 14 August 2022. After the consultation, all comments made during the consultation will be considered before a final decision is published in September 2022.

Editors’ Notes

To find out more about the Environment Agency and its regulatory role with Hinkley Point C, visit[HinkleyPoint:nuclearregulation-GOVUK([HinkleyPoint:nuclearregulation-GOVUK([HinkleyPointմիջուկայինկարգավորում-GOVUK([HinkleyPoint:nuclearregulation-GOVUK(Hinckley Point. nuclear regulation – GOV.UK (www.gov.uk)

Proposed change to how Hinkley Point C stores radioactive waste

SourceProposed change to how Hinkley Point C stores radioactive waste

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