TVS-Kvadrat, or TVS-K fuel, has been specially developed by Tvel for use in Western design pressurised water reactors. TVS-K was developed by Tvel for use in Westinghouse-designed 3- and 4-loop PWRs. It draws on the Tvel’s experience in the development, manufacture and operation of nuclear fuel for Russian-designed VVER-1000 reactors.
In 2018 Tvel said it was planning to start testing the fuel in the US. The company did not say at which nuclear plant in the US the test loading would take place.
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