Wales

Tesco asks public to vote for Scottish and Welsh charities that could benefit from £1.8m plastic bag levy funding each year

Tidal Energy Limited plans 10MW array in the wake of deploying Wales' first large-scale, free-standing generating device

Biogen's £7.5m Waen plant in Denbighshire set to produce enough electricity to power city of St Asaph

Company expects first power from world's largest tidal array to be delivered in 2016, as it eyes new sites in China, Canada and Wales

Welsh Affairs Committee inquiry finds shale gas should not come at expense of environment or renewables industry

New LCA To Go tool from Ecodesign Centre Wales aims to improve payback time for small solar arrays

Paper outlines economic benefits for communities in hosting onshore wind farms and how local firms can win supply contracts

New 4MW wind farm at Oakdale Colliery expected to deliver annual carbon savings of 4,400 tonnes

Charity switches on innovative new technology that harnesses power of the sea to provide renewable heat

Hot water and underfloor heating at Bala Lake site in Wales powered by 26 tonnes of locally-sourced wood