Company accuses president of overstepping his authority to block project on the grounds it poses a national security threat
MidAmerican agrees to buy two Californian wind energy projects, as Sage of Omaha extends renewable power portfolio
Turbine manufacturer tells the Financial Times that failure to extend tax credit will lead to 95 per cent reduction in demand
Aveillant hopes new 3D Holographic Radar technology could unlock hundreds of megawatts of new wind power capacity
Congressional Research Service says emissions levy would benefit households and businesses, but admits opposition is overwhelming
Web giant announces it is to purchase 48MW of wind power for giant US data centre
New 376MW wind farm officially opened with pledge to provide power for around 220,000 homes
Country now generates over 40 per cent of its electricity from renewable sources
Ambitious Greenwire project warns that without policy certainty Irish Sea wind energy links could be delayed
Completion of 29MW Drone Hill wind farm in the Scottish Borders pushes sector past the milestone