British authorities extended the operation of Sizewell B till 2025
AtomInfo.Ru, PUBLISHED 10.02.2015
The British office for nuclear regulation (ONR) has approved 2 February 2015 the request of the EDF Nuclear Generation Ltd. to extend the life of the Sizewell B until 2025.
The Sizewell B unit has been commissioned in September 1995 and is equipped with pressurized PWR reactor of 1191 MWe power.
The reactor design is based on the SNUPPS four-loop PWR of Westinghouse.
Unlike the American units of this project, the British project added some additional safety features, such as passive emergency borated system coupled with all four loops through cold legs and intended for injection in the first circuit of the boric acid solution with a concentration of 7000 ppm.
The containment of Sizewell B was also redesigned compared to the original American project, as required to accommodate additional equipment and to bring the project to the British standards for safety margins.
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