On 19 March 2013, the Secretary of State for Energy and Climate Change (Edward Davey) issued a Development Consent Order for the Hinkley Point C project.
Datganiad Ysgrifenedig: Ysgrifennydd y Cabinet dros Dai yn ymateb i weithredu gan Lywodraeth y DU ar gynlluniau ECO4 a GBIS (23 Ionawr 2025)