Ground Source Heat Pump Association

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Renewable Heat Incentive – Commercial RHI

Owners of ground source heat pumps systems (and other eligible renewable heat technologies) installed since 15 July 2009, can apply to Ofgem to be paid 9.09 pence/kWhour of renewable heat generated for the next 20 years.

The Renewable Heat Incentive can be received by owners of non-domestic buildings for 20 years based on the metered heat delivered from ground source heat pumps.

Tariffs for GSHPs Double with effect from May 2014

RHI Tariff History

The RHI tariff table below shows the technologies eligible for Commercial RHI and the subsidy received for each technology. The RHI provides a major incentive for owners to invest in ground source heat pumps and solar thermal renewable heat technologies. The tariffs are based on pence/kWh of renewable heat delivered.

The rates are relevant to those considering investment in renewable energy systems and have been adjusted for announcements made by BEIS (although implementation of some changes has been delayed by the surprise General Election of June 2017). The grants vary with the technology and scale used for installations from the start of the month as follows:

RHI Commercial
over 20 years
p/kWh
Jan 2015
p/kWh
Apr 2015
p/kWh
Jul 2015
p/kWh
Oct 2015
p/kWh
Jan 2016
p/kWh
Apr 2016
p/kWh
Jul 2016
p/kWh
Oct 2016
p/kWh
Jan 2017
p/kWh
Apr 2017
p/kWh
Jul 2017
GSHP 8.7 8.84 8.84 8.84 8.84 8.95  8.95  8.95  8.95   9.09   9.09
ASHP¹ 2.5 2.54 2.54 2.54 2.54 2.57  2.57  2.57  2.57   2.61   2.61
Solar thermal 10.0 10.16 10.16 10.16 10.16 10.28 10.28 10.28 10.28 10.44 10.44
Biomass² 6.8² 5.87² 4.40² 4.18² 3.76² 3.62²  3.26²  3.10²  2.91²   2.85²   2.71²

¹No RHI is paid for air to water heat pumps if they are also capable of providing cooling.

² Biomass has fallen from 8.8p down to 2.71 from July 2017.

See Degression of biomass tariffs

Additional specialist commercial RHI tariffs

Following announcements from DECC in December 2013, there are also be specialist commercial RHI tariffs for additional technologies available from 28 May 2014. The rates for installations from the start of the month shown:

RHI Commercial
over 20 years
Scale p/kWh
July 2015
p/kWh
Oct 2015
p/kWh
Jan 2016
p/kWh
Apr 2016
p/kWh
July 2016
p/kWh
Oct 2016
p/kWh
Jan 2017
p/kWh
Apr 2017
p/kWh
July 2017
Solid Biomass CHP 4.17 4.17 4.17 4.22 4.22 4.22 4.22 4.29 4.29
Biogas small <200kW 7.62 7.62 7.62 6.94 5.90 4.43 3.32 3.20 2.88
Biogas medium 200-600 5.99 5.99 5.99 5.45 4.63 3.47 2.60 2.51 2.26
Biogas large >600kW 2.24 2.24 2.24 2.04 1.73 1.30 0.98 0.95 0.86
Deep Geothermal 5.08 5.08 5.08 5.14 5.14 5.14 5.14 5.22 5.22
Municipal solid waste 2.03 2.03 2.03 2.05 2.05 2.05 2.05 2.08 2.08
Commercial and industrial waste 2.03 2.03 2.03 2.05 2.05 2.05 2.05 2.08 2.08
Biomethane tier 1 7.24 6.52 5.87 5.35 4.55 4.43 3.89 3.56 3.20
Biomethane tier 2 4.25 3.83 3.45 3.14 2.67 2.54 2.29 2.10 1.89
Biomethane tier 3 3.28 2.95 2.66 2.42 2.06 1.96 1.76 1.61 1.45

RHI rates change with inflation each year.

Experienced Contractor

A ground source heat pump provides an excellent method for providing emission free heating and avoiding further rises in energy bills, as well as attracting RHI, but they must be installed by an experienced contractor for the full potential to be realised.

Please verify if your contractor is a member of the GSHP Association.

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