Smart technology that could shave £90 off household energy bills and curb carbon emissions is being stymied by government policy, a leading thinktank has said. In a wide-ranging report, Policy Exchange also claimed that current energy policy offered too many incentives to build polluting diesel generator farms at the expense of cleaner technology. The thinktank pointed to an estimate by the government’s National Infrastructure Commission that a smarter, more flexible power grid – which would allow businesses to store power and shift usage to less busy times of day – could reduce energy costs by £8bn by 2030.

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