Hinkley Point C cost estimate rises again

The UK’s landmark next-generation nuclear plant at Hinkley Point C has had a revised cost estimate, with £1.9bn-£2.9bn of additional spending predicted.

This will bring the overall cost of the project to between £21.5bn and £22.5bn. According to an EDF statement, the cost increases "reflect challenging ground conditions which made earthworks more expensive than anticipated, revised action plan targets and extra costs needed to implement the completed functional design, which has been adapted for a first-of-a-kind application in the UK context."

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EDF also stated that the chances of delays on both units at the Somerset site had increased, with setbacks of 15 months on unit 1 and 9 months on unit 2 now more likely. In terms of where the project is currently, EDF said the nuclear island “common raft” for Hinkley C's first unit was completed in June 2019, with the next major milestone of the common raft for unit 2 due to be finished by June 2020.

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