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
Sanmen Nuclear Power Station was completed on November 5, 2018, and the unit is now considered to be in commercial operation. Sanmen Nuclear Power Station The Sanmen Nuclear Power Station () is a nuclear power station in Sanmen County, Zhejiang, China. Sanmen is the first implementation of the AP1000 pressurized water reactor (PWR) developed by Westinghouse Electric Company. The contract for the plant was agreed in July 2007. Announcement of the project start came roughly twelve months after Westinghouse won a bidding contest over other companies. The contract for the new plant involved The Shaw Group (now Chicago Bridge and Iron), a minority shareholder