Coalition 'shambles' over John Hayes anti wind farm 'prejudice' David Cameron has not responded to the letter from the Liberal Democrat cabinet minister. I think it is fair to guess that he has come to the conclusion that renewable energy deployment could stay with John. I can only assume he has decided the legal risk is quite small," Mr Davey added. Yesterday, Chuka Umunna, the Shadow Business Secretary, said Mr Davey's move to strip powers from his deputy was a sign of an "utterly shambolic government." Mr Hayes has repeatedly criticised onshore wind farms, amid anger from more than 100 backbench Tory MPs about their intrusion on the countryside. In a letter in July, the MP for South Holland and The Deepings wrote to his local council saying wind farms are "inefficient," "costly" and generate "barely a trickle of non-storable electricity." He then dismayed his Liberal Democrat boss last month by saying Britain could "no longer have wind turbines imposed on communities." He also promised to "protect our green and pleasant land." Over the weekend, it emerged that several Conservative-led councils are using planning laws to force developers to keep turbines up to 2km away from homes. RWE npower is currently challenging Milton Keynes Council in the court over plans for a 1km "separation zone" making sure turbines are not too near houses. The energy company warned it will have to re-think its investment in onshore wind farms if more councils start bringing in similar policies. The debate over the future of wind farms comes as Mr Davey prepares to unveil his Energy Bill this week paving the way for more nuclear power stations and wind farms over the next two decades. He will also travel to Doha in Qatar next week for international talks on how to tackle climate change. Yesterday, Mr Davey called for "more ambitious" targets on reducing carbon dioxide emissions from fossil fuels by almost a third by 2020 across the European Union.