As a proven and highly effective way of generating energy from waste, anaerobic digestion offers great potential to farmers for converting waste into biogas that can also be used to generate electricity. It produces a nutrient-rich digestate that can be used as a fertiliser into the bargain. It has the support of the coalition government. Both small and large scale AD plants are now up and running in many parts of the country. There’s a great untapped potential for the wider use of the technology. And yet it’s being held back by planning policies – both nationally and sometimes at a local level.