Renewable Energy Installer May 2016 | Page 29

Cost comparison of heating fuels ( not including RHI payments )
RHI non-domestic rates
Domestic RHI deployment
Domestic RHI tariffs

Cost comparison of heating fuels ( not including RHI payments )

Fuel source kWh provided per unit of fuel
Efficiency of system (%)
Units consumed by house ( kWh )
Price per unit of fuel (£)
Units consumed per annum
Cost per annum
Heating oil ( kerosene )
10 per litre
90
25300
0.31 per litre
2530 litres
£ 784
Wood pellets
4800 per tonne
94
24300
256 per tonne
5 tonnes
£ 1,280
Natural gas
1 per kWh
90
25300
0.04 per kWh
25300 kWh
£ 1,012
LPG
6.6 per litre
90
25300
0.38 per litre
3833 litres
£ 1,457
Electricity
1 per kWh
100
23000
0.14 per kWh
23000 kWh
£ 3,220
* Air source heat pump
1 per kWh
290
7931
0.14 per kWh
7931kWh
£ 1,110
* Ground source heat pump
1 per kWh
360
6389
0.14 per kWh
6389kWh
£ 894
Dual mode system 1 Oil boiler ( 30 % of heat load )
10 per litre
90
7590
0.31 per litre
759 litres
£ 235
* Air source heat pump ( 70 %
1 per kWh
290
5552
0.14 per kWh
5552 kWh
£ 777
of heat load )
Dual mode system 2 Gas boiler ( 30 % of heat
1 per kWh
90
7590
0.04 per kWh
7590 kWh
£ 304
load )
* Air source heat pump ( 70 % of heat load )
1 per kWh
290
5552
0.14 per kWh
5552 kWh
£ 777
Based on 23,000kWh needed to meet typical household ’ s heating and hot water needs per annum . Prices and costs are indicative only and may vary .
* Calculations based on continuous operation at maximum efficiency . Fuel costs taken from Nottingham Energy Partnership and other sources .

RHI non-domestic rates

Tariff name
Eligible technology
Eligible sizes
Tariff rate
( pence / kWh )
Tariff duration

Domestic RHI deployment

Small biomass
Solid biomass : Municipal solid waste ( inc CHP )
< 200 kWth Tier 1 : 3.62 Tier 2 : 0.96
20
Technology
Accreditations ( Apr 14 – Mar 16 )
% of total
Medium biomass
Solid biomass : Municipal solid waste ( inc CHP )
200 kWth and above , < 1000 kWth
Tier 1 : 5.24 Tier 2 : 2.27
20
ASHP 20,953 45
GSHP 6,803 15
Large biomass
Solid biomass : Municipal solid waste ( inc CHP )
1000 kWth and above
2.05 20
Biomass 11,443 24
Solar thermal
7,521 16
Small ground source
Ground source heat pumps , water source heat pumps , deep geothermal
< 100 kWth Tier 1 : 8.95 Tier 2 : 2.67
20
TOTAL 46,720 100
( Source : DECC )
Deep geothermal
Solar thermal Air source heat pumps
( Source : OFGEM )
5.14
Solar thermal < 200 kWth 10.28 20
ASHPs All 2.57 20
Number of MCS registered installers per technology
Number of MCS registered installations per technology

Domestic RHI tariffs

Technology type Cumulative Registered
Feb 16 Solar PV 2173 9
Biomass 282 2 Air source heat HP 708 7 Ground source HP 517 0 Solar thermal 736 5 Small wind 66 0 Total 4482 23 ( Figures supplied by Gemserv )
Technology type Cumulative Installed
Feb 16
Solar PV
862691
4593
Biomass
16547
130
Air source HP
45522
898
Ground source HP
12336
281
Solar thermal
8406
56
Small wind
9991
10
Total
955493
5968
Technology RHI rate ( from 1 April ) ( p / kWh )
ASHP 7.51 Biomass boilers 5.20 GSHP 19.33 Solar thermal 19.74
( Source : DECC )
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