Marine

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

Scottish government announces significant financial backing for new marine energy agency

Major new report argues world-leading industry could tap £76bn opportunity, but only if funding barriers are overcome

Preferred bidders GE and Andritz Hydro commit to UK manufacturing for proposed £1bn project

Welsh scheme could start construction this summer after reaching major financial milestone

Government initiates 'closer discussions' with developer of £850m project and is consulting on potential support

Atlantis Resources confirms construction work has commenced at onshore site

Researchers at Oregon State University show nascent technology could play an important role in low carbon energy mix

Device installed at EMEC test centre in Orkney set to provide basis for future designs