Nuclear power in the United Kingdom Nuclear power in the United Kingdom Nuclear power in the United Kingdom generates around a quarter of the country's electricity as of 2016, projected to rise to a third by 2035. The UK has 15 operational nuclear reactors at seven plants (14 advanced gas-cooled reactors (AGR) and one pressurised water reactor (PWR)), as well as nuclear reprocessing plants at Sellafield and the Tails Management Facility (TMF) operated by Urenco in Capenhurst. The United Kingdom established the world's first civil nuclear programme, opening a nuclear power station, Calder Hall at Windscale, England, in 1956. At the peak in 1997, 26% of
Temelín Nuclear Power Station Temelín Nuclear Power Station Temelín Nuclear Power Station (, abbreviation "JETE") is located near Temelín, a small village in the Czech Republic. Temelín NPP is owned by ČEZ Group, which employs 1000 workers at this site. The adjacent castle Vysoký Hrádek serves as an information centre. In spring 2003, the Temelín Nuclear Power Plant, with its 2,000 MW of installed capacity, became the largest power resource in the Czech Republic. Planning began in the late 1970s and the final project was submitted in 1985. Construction of four operating units began in 1987. The project was expected to be completed in