The UK Government is considering a multibillion pound investment in a new nuclear power station, as well as underwriting billions of pounds of loans.
Business Secretary Greg Clark has given MPs details of a possible funding deal for the proposed Wylfa Newydd plant in Anglesey.
The Government would make a direct investment in the project alongside the Japanese government and Horizon Nuclear Power, a subsidiary of Japanese giant Hitachi, which is developing the project.
The union GMB has welcomed the expected go ahead for Wylfa. Although Greg Clark said no decision has yet been taken to proceed.
First Minister, Carwyn Jones, also welcomed the announcement:
But he also called on the UK government to make a decision on the Swansea Bay Tidal Lagoon:
Some have criticised the announcement.