Wales

Swedish energy firm begins commercial operation of battery storage system co-located at Wales' largest onshore wind farm

Help-to-Buy mortgages in Wales will be assessed against property's energy efficiency rating, with buyers of better-insulated homes able to borrow more money

BEIS select committee announces investigation of obstacles and delays behind a long-awaited final decision on the Swansea Bay Tidal Lagoon project

Agencies sign Memorandum of Understanding as they seek to accelerate development of regions' nascent marine energy industry

Swedish utility plans major SEK1bn investment in large scale solar generation over next two years

Multi million pound 4MW battery officially unveiled at Parc Stormy in Bridgend to provide balancing services to onsite solar, AD, wind turbine and cement facilities

Project to warm houses using water naturally heated in underground mine workings secures £6.5m in EU funding

Could an offer to provide a substantial equity and/or loan investment help slash the headline price support the Swansea Tidal Lagoon would require?

Wales should seek to reduce 1990 emissions by 23 per cent by 2020 and 35 per cent by 2025, according to the UK's Committee on Climate Change

Green groups praise 'another great month for renewables' as wind turbines provide 77 per cent of Scotland's power demand last month