Nuclear power in the United Kingdom spent nuclear fuel was installed. The Nuclear Decommissioning Authority (NDA), formed in April 2005 under the Energy Act 2004, oversees and manages the decommissioning and clean-up of the UK's older Magnox power plants and the reprocessing facilities at Sellafield, which were transferred to its ownership from BNFL, and the former nuclear research and development facilities previously run by the UKAEA. In August 2005, the following sites were listed for decommissioning: Prior to the 2002 white paper "Managing the Nuclear Legacy", the cost of decommissioning these facilities had been estimated at around £42 billion. The white paper estimated the costs at
Trawsfynydd nuclear power station Trawsfynydd nuclear power station Trawsfynydd nuclear power station is a former Magnox power station situated in Snowdonia National Park in Gwynedd, Wales. The plant, which became operational in 1965, was the only nuclear power station in the UK to be built inland, with cooling water was taken from the man-made Llyn Trawsfynydd reservoir. It was closed in 1991. Work to completely decommission the site is expected to take almost 100 years. The power station, which takes its name from the nearby village of Trawsfynydd, was designed by Basil Spence. The construction, which was undertaken by a consortium involving Crompton Parkinson,