Heat required

55,000 KWh/year

Electricity required

13,000 KWh/year

Total energy required

68,000 KWh/year

Nominal power of PV system

8.7 KWp

Cost of PV system

13,050 ?o:p>

Power of solid biomass boiler

68.75 KWth

Cost of solid biomass boiler

34,375 ?o:p>

Quantity of solid biomass required

15.8 tons/year

Cost of required solid biomass

1580 ?year

Total capital cost of R.E. systems

47,425 ?o:p>