Wales

Partnership will provide clean power to 700 homes, saving 1,300 tonnes of CO2 each year

Developer names China Harbour Engineering Company Ltd as preferred bidder for marine works contract

Tidal Lagoon Swansea Bay expects government decision on future of £1bn project in the next fortnight

Underwater kites set to power 8,000 homes from 2019, after securing €13m in EU funding

UPDATED: European Commission also starts proceedings over poor waste water treatment in 17 areas

Crown Estate joins Welsh and Scottish governments to bolster progress in marine power industry

Carl Sargeant hails the passing of the Well-being of Future Generations Bill will put sustainable development at the heart of Wales' government

New Well-being of Future Generations Bill will put sustainable development at the heart of all government decision making

World first proposed for Swansea Bay could increase government’s green credentials but chancellor is also offering subsidy for North Sea oil firms

Company reveals plans for five tidal arrays to follow proposed Swansea Bay development, as projected costs continue to fall