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Step 4

As part of the GDA process for the UK HPR1000 reactor technology, we have made available information on the reactor design as well as the technical documents that we submit to the UK regulators at each step of the process (see GDA process page for more information).

Step 4 commenced on 13 February 2020 and we have published the following draft documents:

In addition, we published the following documents in January 2021:

They can be accessed via the Step 4 page.

We value your comments on the information we have published here, so please provide your views or questions on the reactor design, safety and environmental aspects by clicking the Proceed to Comment button below.

We shall consider all relevant comments and seek to respond within 30 days. We will share all comments received, along with our responses, with the regulators.

Please note that the GDA process does not cover the principles of nuclear policy or the siting of potential power stations.

You can submit comments on our submissions electronically by clicking the Proceed to Comment button below, or by post to the freepost address FREEPOST UKHPR1000.

The GDA is a continuous process and all comments received up until around four months before the end of the GDA will be considered by General Nuclear System Limited and the regulators.

We have summarised some of the key themes we have received as part of the GDA comments process and the responses to these comments, which can be viewed on our Common Comment Themes page.

If you have any questions on how to submit a comment or face a problem with any part of this website, please contact us.