As government incentives for renewable energy decline, investing in large on-farm anaerobic digesters to export power to the national grid is making less economic sense. Instead some UK dairy farmers are following a trend seen on the continent for smaller, simpler, slurry-only units, designed mainly to meet a farm’s heat and electricity needs. See also: More on anaerobic digestion The UK has just 18 slurry-only AD plants running, but the number is rising and could soon double with 20-30 further […]