<P> The first station to be connected to the grid, on 27 August 1956, was Calder Hall, although the production of weapons - grade plutonium was the main reason behind this power station . Calder Hall was the world's first nuclear power station to deliver electricity in commercial quantities (although the 5 MW "semi-experimental" reactor at Obninsk in the Soviet Union was connected to the public supply in 1954). </P> <P> In February 1966 it was announced that the first prototype fast breeder reactor in the United Kingdom would be constructed in Dounreay, Scotland, at a cost of £ 30 million . </P> <P> British Nuclear Fuels Limited (BNFL) was established in February 1971 from the demerger of the production division of the UK Atomic Energy Authority (UKAEA). In 1984 BNFL became a public limited company, British Nuclear Fuels plc, wholly owned by the UK government . </P> <P> A Thermal Oxide Reprocessing Plant (THORP) was opened at Sellafield in 1994 . Construction had begun in the 1970s and cost £ 2.4 billion . </P>

Where does the uk get its nuclear fuel from