Frequently Asked Questions

Q) Why should I register?

A) The Sizewell C Supply Chain database will be used to match the requirements of Tier 1’s involved in the prospective construction of Sizewell C, with suitably skilled Local (Suffolk) and Regional (Norfolk, Cambridgeshire, Hertfordshire, Bedfordshire and Essex) companies.

The main works at Sizewell C will be delivered via approximately 150 major contracts to “Tier 1” contractors, each of these major contractors will need to find their own suppliers, but are being encouraged to include local suppliers; one way this can be done will be through these local suppliers registering on

Q) My company is based in the East of England but not within the boundaries of Suffolk. Am I able to register on the Supply Chain? 

A) The Sizewell C Supply chain is the main point of contact for Suffolk, Norfolk, Cambridgeshire, Bedfordshire and Hertfordshire, Essex businesses wishing to engage in the Sizewell C nuclear new build.

EDF has also developed a nuclear new build supplier portal for UK based suppliers and for South West Suppliers to support the new build at Hinkley Point C. If you are outside of the Suffolk , Norfolk, Cambridgeshire, Bedfordshire and Hertfordshire areas we recommend that you register on this portal, available at: