Energy efficiency company is in discussions with European utilities after signing UK deal with First Utility
A US energy efficiency firm whose fans include Barack Obama and David Cameron is now looking to transfer its rapid growth across the Atlantic to Europe. Opower has expanded to be worth an estimated $1bn...
White House announces series of initiatives to boost the number of electric vehicle charging stations across the US
Paris deal now likely to take effect before end of 2017, as UN invites countries to special ratification event in September
Risk-averse financiers including Aviva, BlackRock and State Street are pursuing renewable energy projects and seeing steady returns
Partnership with Starwood Energy Group will see discount retailer use 100 per cent wind power in 60 of its stores