Capenhurst

Urenco UK operates three enrichment plants, which enable nuclear power stations around the world to generate electricity. The largest of the three plants, E23, produces more than 80% of the facility’s enrichment capacity.

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Site Owner

Information is presented about wastes that existed at Capenhurst at the stock date (1 April 2025) and were forecast to arise after this date.

For background information about this site owner, please refer to the Site Information Sheets in the 2025 UK Radioactive Waste Inventory report.

The following page presents information about radioactive wastes at the specific site selected.

Information about spent fuel and nuclear materials is presented separately in the relevant 2025 Inventory report. For official figures and essential information about how the data has been produced, always refer to the UKRWI 2025 published reports.

Waste groupings

Activated metals
Activated other materials
Asbestos & other insulation materials
Concrete & rubble
Conditioned
Contaminated metals
Contaminated other materials
Desiccant & catalysts
Flocs
Fuel cladding & miscellaneous wastes
Fuel element debris
Fuels & uranium residues
Graphite
High level waste
Inorganic ion exchange materials
Miscellaneous contaminated materials
Mixed wastes
Oils & other fluids
Organic ion exchange materials
Plutonium contaminated materials
Raffinate
Sludges
Soil
Uranium & thorium contaminated material
Total
stored
waste
Total stored waste by waste type
Breakdown of total stored waste: Asbestos & other insulation materials 7.5m³, Conditioned 15.16m³, Contaminated metals 114.96m³, Contaminated other materials 113.61m³, Mixed wastes 42.9m³, Oils & other fluids 2.47m³, Sludges 6m³, Uranium & thorium contaminated material 0.96m³,
Future
arising
waste
Future arising waste by waste type
Breakdown of future arising waste: Asbestos & other insulation materials 452.25m³, Conditioned 1057.21m³, Contaminated metals 5256.35m³, Contaminated other materials 7721.05m³, Mixed wastes 1710.39m³, Oils & other fluids 133.15m³, Sludges 315m³, Uranium & thorium contaminated material 1777.8m³,
Lifetime
packaged
waste
Lifetime packaged waste by waste type
Breakdown of lifetime packaged waste: Asbestos & other insulation materials 459.75m³, Conditioned 1072.37m³, Contaminated metals 5371.31m³, Contaminated other materials 7834.66m³, Mixed wastes 1753.29m³, Oils & other fluids 135.62m³, Sludges 321m³, Uranium & thorium contaminated material 1778.76m³,

Waste categories

Showing results for data originating from Capenhurst.

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Forecast waste arisings

Location

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From Amersham and AWE Aldermaston to Winfrith and Wylfa – you can source site-by-site waste inventory data from sites across the UK nuclear industry here.