Non-Domestic Renewable Heat Incentive (RHI) tariffs are changing from 20th September 2017 as a direct result of last year’s consultation. The changes will merge existing tariff bands for all solid biomass sizes; ‘small’ (less than 200kW), ‘medium’ (between 200kW and 1MW) and ‘large’ (1MW+) to create a single two-tier tariff band for all biomass plants. …