“Wind farms have proved a political bugbear in the UK, with the government all but shelving the energy source. Yet the experience of the one new permitted gas power station seems to demonstrate little investor appetite to plug the gap with gas. The plant – at Trafford in Manchester – has now been delayed. Policy Exchange has suggested that the current subsidy package – £30m a year for the next 30 years – would need to be doubled for it to become viable.”