Trawsfynydd nuclear power station flasks were transported to Trawsfynydd on a section of the former Bala to Blaenau Ffestiniog railway that had been closed in January 1961. A single track was restored northwards with an entirely new line through the centre of Blaenau Ffestiniog that connected to the Conwy Valley branch. In 1963-4 a "Goliath" gantry crane was installed over sidings about east of the power station. Beginning on 20 April 1964, nuclear flasks could be transported by rail between destinations such as Sellafield in Cumbria. The last regular departure was on 8 August 1995. The last train to carry nuclear material from Trawsfynydd
Bradwell nuclear power station the turbine hall was demolished in 2011, and by 2016 underground waste storage vaults had been emptied and decontaminated. In 2007 Bradwell became one of the sites being considered by British Energy for redevelopment in a new round of nuclear reactors. On 18 October 2010, the British government announced that Bradwell was one of the eight sites it considered suitable for future nuclear power stations. In 2014 "The Sunday Times" reported that the China General Nuclear Power Group and China National Nuclear Corporation were preparing preliminary designs for a 3 GW nuclear power station at Bradwell to submit to the