Small Biomass

Solid biomass including solid biomass contained in municipal solid waste and CHP

Less than 20kWth

6.2

Medium Biomass

As above

20kWth and above up to but not including 100kWth

5.9

Large Biomass

As above

100kWth and above up to but not including 1000kWth

1.5

Small heat pumps

Ground source heat pump, water source heat pump, deep geothermal

Less than 20kWth

8.4

Medium heat pumps

As above

20kWth and above up to but not including 100kWth

4.3

Large heat pumps

As above

100kWth and above

1.3

All Solar collectors

Solar collectors

Below 200kWth

8.5

Biomethane and biogas combustion

Biomethane injection and biogas combustion

All biomethane injection and biogas combustion below 200kWth

3.0