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Nuclear Power

Wednesday
24 Jan 2024

EDF's UK hinkley point nuclear plant start date delayed again, costs mount

24 Jan 2024  by reuters   

Workers at the nuclear reactor area under construction, are seen at Hinkley Point C nuclear power station site, near Bridgwater, Britain, September 12, 2019. REUTERS/Peter Nicholls/File Photo Acquire Licensing Rights
French utility EDF on Tuesday again pushed back the start date on its long-delayed 3.2-gigawatt (GW) Hinkley Point C reactor plant in Britain to at least 2029, with a new estimated cost of between 31 billion and 34 billion pounds ($43.06 billion) based on 2015 values.

The project in southwest England, Britain's first new nuclear plant in more than two decades, was at the last update expected to start operations in June 2027, with an estimated cost of 25-26 billion pounds, which also was a revision of a previous 2025 start date at a cost then estimated at 18 billion pounds. EDF had initially said it would be powering British homes in 2017.

EDF said that the new target date is based on current productivity goals as the company shifts to the ramp-up of electro-mechanical work, following the installment of the dome on unit one in December.

The new delay comes after the UK government recently announced plans to speed up new nuclear projects by introducing a timeframe requiring an investment decision every five years from 2030 to 2044 and to also explore the potential of another new large-scale nuclear plant.

Britain aims to increase its nuclear energy capacity to 24 GW by mid-century, up from 6 GW today, which could meet around a quarter of the country's forecast electricity demand.

Another 3.2-GW planned plant - Sizewell C in southeast England - has not yet had a final investment decision (FID). The government said on Monday it would invest an extra 1.3 billion pounds in the project.

“Hinkley Point C is not a government project and so any additional costs or schedule over-runs are the responsibility of EDF and its partners and will in no way fall on taxpayers," the department for energy security and net zero spokesperson said.

EVEN FURTHER DELAYS POSSIBLE

Other similar new-build nuclear projects in Flamanville, France, and Olkiluoto, Finland have been delayed and faced big increases in costs.

For the Hinkley site, EDF said the electro-mechanical work required follows the basic building phase, where the contractor switches from tasks like pouring concrete to wiring and setting up the reactor.

EDF said there are two other possible scenarios: the first seeing a delay until 2030 with the same cost; the second envisages that the project will be postponed until 2031.

"The costs of completing the project are now estimated at between 31 billion and 34 billion pounds in 2015 values. The cost of civil engineering and the longer duration of the electro-mechanical phase...are the two main reasons for this cost revision," EDF said in a statement.

"If the risk of an additional delay of 12 months mentioned above in the final scenario does materialise, it would result in an estimated additional cost of around 1 billion pounds in 2015 values," it added.

In a note to staff, Stuart Crooks, managing director at Hinkey Point C, said the firm has had to "substantially adapt" the design of the plant to satisfy British regulations, requiring 7,000 changes and adding 70% more steel and 25% more concrete.

"Like other major infrastructure projects, we have found civil construction work slower than we hoped and faced inflation, labour and material shortages, on top of COVID and Brexit disruption," he added.

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