Companies form a "pivotal alliance" designed to boost region's energy security
Defense and Interior departments seek to install solar, wind and geothermal projects on military lands
Company reveals plan to invest in two more wind energy projects as it strives to meet target for 100MW of operating capacity by 2015
News marks step forward for European Offshore Wind Deployment Centre opposed by Donald Trump
From unswitched fish to Olympic wind turbines, we run down the top stories from the past seven days
Major new report reveals clean energy sources to undercut coal on cost in the coming years
Mitt Romney’s campaign confirms GOP's presumptive presidential nominee wants to kill off wind farm tax credits
Network of more than 100 pylons serving wind farms in mid-Wales will travel through Vyrnwy valley
Renewable energy provides more than a quarter of electricity supply for the first time
Banking group to invest £1bn in government's infrastructure plan in attempt to boost economy and help improve business efficiency