A quarter of homes in London could benefit from wind power if the world's biggest wind farm went ahead. The planning application for the 270-turbine London Array project was submitted yesterday by a consortium of E.ON UK Renewables, Shell Wind-Energy and CORE, a joint venture between Farm Energy and the Danish generator Energi E2.

If successful, the wind farm would generate 1,000 megawatts of electricity - enough to power 750,000 homes, equivalent to a quarter of the homes in London or all the households in Kent and East Sussex. It would represent a 10th of the energy the government hopes will come from renewable sources by 2010.