| Capital costs of the R.E. systems (? | Annual CO2 savings (KgCO2) | Capital cost per annual CO2 savings (?kgCO2) |
Use of solar-PV and solid biomass | 47,425 | 28.000 | 1.69 |
Use of solar-PV and geothermal heat pumps | 87,710 | 28.000 | 3.13 |