The Department of Energy and Climate Change (DECC) has announced the domestic Renewable Heat Incentive (RHI) levels. The tariff levels have been set at: Solar thermal: 19.2p/kWh (minimum) Biomass boilers: 12.2p/kWh Ground source heat pumps: 18.8p/kWh Air source heat pumps: 7.3p/kWh DECC said that the solar thermal tariff would be a minimum of 19.2p but … Continued