Biomass

Solid biomass including solid biomass contained in waste (including CHP systems, other than new solid biomass CHP systems, which generate heat and power from solid biomass including solid biomass contained in waste)

All capacities

Tier 1: 3.05

Tier 2: 2.14

New solid biomass CHP systems

Solid biomass (excluding solid biomass contained in waste) used in CHP systems which comply with the requirements in regulation 13

All capacities

4.42

Deep geothermal

Deep geothermal energy including CHP systems generating heat and power from such energy

All capacities

5.38

Small biogas

Biogas (including CHP systems which generate heat and power from biogas)

Below 200kWth

4.64

Medium biogas

Biogas (including CHP systems which generate heat and power from biogas)

Above 200kWth and above, but below 600kWth

3.64

Large biogas

Biogas (including CHP systems which generate heat and power from biogas)

600kWth and above

1.36

Solar thermal

Solar collectors

All capacities

10.75

Small ground source heat pumps

Ground source heat pumps including shared ground loop systems

Below 100kWth

Tier 1: 9.36

Tier 2: 2.79

Large ground source heat pumps

Ground source heat pumps including shared ground loop systems

100kWth and above

Tier 1: 9.36

Tier 2: 2.79

Air source heat pumps

Air source heat pumps

All capacities

2.69

Biomethane

Biomethane

Tier 1: 5.60

Tier 2: 3.29

Tier 3: 2.53