The ETI Nuclear Cost Drivers project: Full Technical Report

Energy Technologies Institute (ETI)

September 2020

The purpose of the ETI’s Nuclear Cost Drivers Project was to use a data-led approach, informed by the cost base of water-cooled power reactors, to identify the cost drivers within historic, contemporary, and advanced reactor designs.

The three principal outcomes of this Project are improved understanding of:

1) the cost drivers within contemporary UK nuclear new build projects and the identification of areas of potential technical or delivery innovation which can support cost reduction;

2) the cost drivers within advanced reactor technologies and the identification of areas of potential design, technical, or delivery innovation which can support cost reduction; and

3) the relative differences in cost base between contemporary and advanced nuclear reactor technologies and the potential to achieve a step reduction in the cost of generating electricity.

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