Solar Panel Installation in South East
6.0 kWp
Typical system size
1029 kWh/kW
Annual sunshine
26.67p
Electricity rate
54.45p/day
Standing charge
£990
Annual net benefit (median)
Rates from Ofgem 2026Q3. Yield data from PVGIS (south-facing, optimal tilt).
Solar potential varies by 19% across South East — location matters even within the same region.
Highest solar potential
BN26 (Wealden)
1155 kWh/kW
Annual net benefit (5 kW):
£963
/year
BN20 (Eastbourne)
1141 kWh/kW
Annual net benefit (5 kW):
£951
/year
TN28 (Folkestone and Hythe)
1139 kWh/kW
Annual net benefit (5 kW):
£949
/year
BN22 (Eastbourne)
1138 kWh/kW
Annual net benefit (5 kW):
£948
/year
BN51 (Brighton and Hove)
1137 kWh/kW
Annual net benefit (5 kW):
£948
/year
Lower potential areas
Still viable with the right tariff and usage patterns.
CR8 (Croydon)
971 kWh/kW
Annual net benefit (5 kW):
£809
/year
CR5 (Croydon)
983 kWh/kW
Annual net benefit (5 kW):
£819
/year
CR3 (Tandridge)
986 kWh/kW
Annual net benefit (5 kW):
£821
/year
GU4 (Guildford)
987 kWh/kW
Annual net benefit (5 kW):
£823
/year
KT22 (Mole Valley)
989 kWh/kW
Annual net benefit (5 kW):
£824
/year
17% of properties here use oil or LPG heating — ideal candidates for heat pump and solar combinations.
Check your exact costs and payback
Enter your postcode to see personalised calculations for your area.
Enter the first part only (before the space). We’ll take you to your page.
All postcodes in South East
Select your postcode area to see exact costs, break-even time, and local installers. Sorted A–Z. Showing 209 postcode areas.
BN1
Brighton and Hove
Annual sunshine:
1118 kWh/kW
Annual net benefit (5 kW):
£932
BN10
Lewes
Annual sunshine:
1123 kWh/kW
Annual net benefit (5 kW):
£936
BN11
Worthing
Annual sunshine:
1119 kWh/kW
Annual net benefit (5 kW):
£933
BN12
Worthing
Annual sunshine:
1123 kWh/kW
Annual net benefit (5 kW):
£936
BN13
Worthing
Annual sunshine:
1119 kWh/kW
Annual net benefit (5 kW):
£933
BN14
Worthing
Annual sunshine:
1119 kWh/kW
Annual net benefit (5 kW):
£933
BN15
Adur
Annual sunshine:
1112 kWh/kW
Annual net benefit (5 kW):
£927
BN16
Arun
Annual sunshine:
1128 kWh/kW
Annual net benefit (5 kW):
£940
BN17
Arun
Annual sunshine:
1126 kWh/kW
Annual net benefit (5 kW):
£938
BN2
Brighton and Hove
Annual sunshine:
1120 kWh/kW
Annual net benefit (5 kW):
£934
BN20
Eastbourne
Annual sunshine:
1141 kWh/kW
Annual net benefit (5 kW):
£951
BN21
Eastbourne
Annual sunshine:
1135 kWh/kW
Annual net benefit (5 kW):
£946
BN22
Eastbourne
Annual sunshine:
1138 kWh/kW
Annual net benefit (5 kW):
£948
BN23
Eastbourne
Annual sunshine:
1126 kWh/kW
Annual net benefit (5 kW):
£939
BN24
Wealden
Annual sunshine:
1137 kWh/kW
Annual net benefit (5 kW):
£947
BN25
Lewes
Annual sunshine:
1131 kWh/kW
Annual net benefit (5 kW):
£942
BN26
Wealden
Annual sunshine:
1155 kWh/kW
Annual net benefit (5 kW):
£963
BN27
Wealden
Annual sunshine:
1134 kWh/kW
Annual net benefit (5 kW):
£945
BN3
Brighton and Hove
Annual sunshine:
1113 kWh/kW
Annual net benefit (5 kW):
£927
BN4
Adur
Annual sunshine:
1110 kWh/kW
Annual net benefit (5 kW):
£925
BN41
Brighton and Hove
Annual sunshine:
1110 kWh/kW
Annual net benefit (5 kW):
£925
BN42
Adur
Annual sunshine:
1110 kWh/kW
Annual net benefit (5 kW):
£925
BN43
Adur
Annual sunshine:
1109 kWh/kW
Annual net benefit (5 kW):
£924
BN44
Horsham
Annual sunshine:
1086 kWh/kW
Annual net benefit (5 kW):
£905
BN45
Mid Sussex
Annual sunshine:
1068 kWh/kW
Annual net benefit (5 kW):
£890
BN5
Horsham
Annual sunshine:
1083 kWh/kW
Annual net benefit (5 kW):
£902
BN50
Brighton and Hove
Annual sunshine:
1118 kWh/kW
Annual net benefit (5 kW):
£932
BN51
Brighton and Hove
Annual sunshine:
1137 kWh/kW
Annual net benefit (5 kW):
£948
BN52
Brighton and Hove
Annual sunshine:
1113 kWh/kW
Annual net benefit (5 kW):
£928
BN6
Mid Sussex
Annual sunshine:
1084 kWh/kW
Annual net benefit (5 kW):
£904
BN7
Lewes
Annual sunshine:
1126 kWh/kW
Annual net benefit (5 kW):
£938
BN8
Lewes
Annual sunshine:
1067 kWh/kW
Annual net benefit (5 kW):
£889
BN88
Brighton and Hove
Annual sunshine:
1120 kWh/kW
Annual net benefit (5 kW):
£934
BN9
Lewes
Annual sunshine:
1138 kWh/kW
Annual net benefit (5 kW):
£948
BN95
Adur
Annual sunshine:
1112 kWh/kW
Annual net benefit (5 kW):
£927
BN99
Adur
Annual sunshine:
1119 kWh/kW
Annual net benefit (5 kW):
£933
BR2
Bromley
Annual sunshine:
999 kWh/kW
Annual net benefit (5 kW):
£833
BR4
Bromley
Annual sunshine:
1000 kWh/kW
Annual net benefit (5 kW):
£833
BR5
Bromley
Annual sunshine:
1011 kWh/kW
Annual net benefit (5 kW):
£842
BR6
Bromley
Annual sunshine:
1010 kWh/kW
Annual net benefit (5 kW):
£842
BR8
Sevenoaks
Annual sunshine:
1010 kWh/kW
Annual net benefit (5 kW):
£842
CR0
Croydon
Annual sunshine:
996 kWh/kW
Annual net benefit (5 kW):
£830
CR2
Croydon
Annual sunshine:
990 kWh/kW
Annual net benefit (5 kW):
£825
CR3
Tandridge
Annual sunshine:
986 kWh/kW
Annual net benefit (5 kW):
£821
CR44
Sutton
Annual sunshine:
990 kWh/kW
Annual net benefit (5 kW):
£825
CR5
Croydon
Annual sunshine:
983 kWh/kW
Annual net benefit (5 kW):
£819
CR6
Tandridge
Annual sunshine:
998 kWh/kW
Annual net benefit (5 kW):
£832
CR7
Croydon
Annual sunshine:
990 kWh/kW
Annual net benefit (5 kW):
£825
CR8
Croydon
Annual sunshine:
971 kWh/kW
Annual net benefit (5 kW):
£809
CR9
Croydon
Annual sunshine:
996 kWh/kW
Annual net benefit (5 kW):
£830
CR90
Croydon
Annual sunshine:
990 kWh/kW
Annual net benefit (5 kW):
£825
CT1
Canterbury
Annual sunshine:
1063 kWh/kW
Annual net benefit (5 kW):
£886
CT10
Thanet
Annual sunshine:
1071 kWh/kW
Annual net benefit (5 kW):
£892
CT11
Thanet
Annual sunshine:
1078 kWh/kW
Annual net benefit (5 kW):
£899
CT12
Thanet
Annual sunshine:
1094 kWh/kW
Annual net benefit (5 kW):
£912
CT13
Dover
Annual sunshine:
1100 kWh/kW
Annual net benefit (5 kW):
£916
CT14
Dover
Annual sunshine:
1086 kWh/kW
Annual net benefit (5 kW):
£905
CT15
Dover
Annual sunshine:
1110 kWh/kW
Annual net benefit (5 kW):
£925
CT16
Dover
Annual sunshine:
1089 kWh/kW
Annual net benefit (5 kW):
£908
CT17
Dover
Annual sunshine:
1089 kWh/kW
Annual net benefit (5 kW):
£907
CT18
Folkestone and Hythe
Annual sunshine:
1088 kWh/kW
Annual net benefit (5 kW):
£907
CT19
Folkestone and Hythe
Annual sunshine:
1111 kWh/kW
Annual net benefit (5 kW):
£926
CT2
Canterbury
Annual sunshine:
1087 kWh/kW
Annual net benefit (5 kW):
£906
CT20
Folkestone and Hythe
Annual sunshine:
1111 kWh/kW
Annual net benefit (5 kW):
£926
CT21
Folkestone and Hythe
Annual sunshine:
1090 kWh/kW
Annual net benefit (5 kW):
£908
CT3
Dover
Annual sunshine:
1106 kWh/kW
Annual net benefit (5 kW):
£922
CT4
Canterbury
Annual sunshine:
1087 kWh/kW
Annual net benefit (5 kW):
£906
CT5
Canterbury
Annual sunshine:
1047 kWh/kW
Annual net benefit (5 kW):
£873
CT50
Folkestone and Hythe
Annual sunshine:
1111 kWh/kW
Annual net benefit (5 kW):
£926
CT6
Canterbury
Annual sunshine:
1069 kWh/kW
Annual net benefit (5 kW):
£891
CT7
Thanet
Annual sunshine:
1091 kWh/kW
Annual net benefit (5 kW):
£909
CT8
Thanet
Annual sunshine:
1092 kWh/kW
Annual net benefit (5 kW):
£910
CT9
Thanet
Annual sunshine:
1086 kWh/kW
Annual net benefit (5 kW):
£905
DA10
Dartford
Annual sunshine:
1027 kWh/kW
Annual net benefit (5 kW):
£856
DA11
Gravesham
Annual sunshine:
1028 kWh/kW
Annual net benefit (5 kW):
£857
DA12
Gravesham
Annual sunshine:
1028 kWh/kW
Annual net benefit (5 kW):
£857
DA13
Gravesham
Annual sunshine:
1027 kWh/kW
Annual net benefit (5 kW):
£856
DA2
Dartford
Annual sunshine:
1024 kWh/kW
Annual net benefit (5 kW):
£854
DA3
Sevenoaks
Annual sunshine:
1025 kWh/kW
Annual net benefit (5 kW):
£854
DA4
Sevenoaks
Annual sunshine:
1015 kWh/kW
Annual net benefit (5 kW):
£846
DA9
Dartford
Annual sunshine:
1025 kWh/kW
Annual net benefit (5 kW):
£854
GU1
Guildford
Annual sunshine:
997 kWh/kW
Annual net benefit (5 kW):
£831
GU2
Guildford
Annual sunshine:
994 kWh/kW
Annual net benefit (5 kW):
£828
GU21
Woking
Annual sunshine:
996 kWh/kW
Annual net benefit (5 kW):
£830
GU22
Woking
Annual sunshine:
996 kWh/kW
Annual net benefit (5 kW):
£830
GU23
Guildford
Annual sunshine:
997 kWh/kW
Annual net benefit (5 kW):
£831
GU3
Guildford
Annual sunshine:
999 kWh/kW
Annual net benefit (5 kW):
£832
GU4
Guildford
Annual sunshine:
987 kWh/kW
Annual net benefit (5 kW):
£823
GU5
Guildford
Annual sunshine:
997 kWh/kW
Annual net benefit (5 kW):
£831
GU6
Waverley
Annual sunshine:
1021 kWh/kW
Annual net benefit (5 kW):
£851
KT1
Kingston upon Thames
Annual sunshine:
997 kWh/kW
Annual net benefit (5 kW):
£831
KT10
Elmbridge
Annual sunshine:
998 kWh/kW
Annual net benefit (5 kW):
£832
KT11
Elmbridge
Annual sunshine:
997 kWh/kW
Annual net benefit (5 kW):
£831
KT12
Elmbridge
Annual sunshine:
996 kWh/kW
Annual net benefit (5 kW):
£830
KT13
Elmbridge
Annual sunshine:
996 kWh/kW
Annual net benefit (5 kW):
£830
KT14
Woking
Annual sunshine:
995 kWh/kW
Annual net benefit (5 kW):
£830
KT15
Runnymede
Annual sunshine:
997 kWh/kW
Annual net benefit (5 kW):
£831
KT16
Runnymede
Annual sunshine:
997 kWh/kW
Annual net benefit (5 kW):
£831
KT17
Epsom and Ewell
Annual sunshine:
990 kWh/kW
Annual net benefit (5 kW):
£825
KT18
Epsom and Ewell
Annual sunshine:
990 kWh/kW
Annual net benefit (5 kW):
£825
KT19
Epsom and Ewell
Annual sunshine:
996 kWh/kW
Annual net benefit (5 kW):
£830
KT2
Kingston upon Thames
Annual sunshine:
997 kWh/kW
Annual net benefit (5 kW):
£831
KT20
Reigate and Banstead
Annual sunshine:
998 kWh/kW
Annual net benefit (5 kW):
£832
KT21
Mole Valley
Annual sunshine:
989 kWh/kW
Annual net benefit (5 kW):
£825
KT22
Mole Valley
Annual sunshine:
989 kWh/kW
Annual net benefit (5 kW):
£824
KT23
Mole Valley
Annual sunshine:
1002 kWh/kW
Annual net benefit (5 kW):
£835
KT24
Guildford
Annual sunshine:
997 kWh/kW
Annual net benefit (5 kW):
£831
KT4
Sutton
Annual sunshine:
998 kWh/kW
Annual net benefit (5 kW):
£832
KT5
Kingston upon Thames
Annual sunshine:
997 kWh/kW
Annual net benefit (5 kW):
£831
KT6
Kingston upon Thames
Annual sunshine:
998 kWh/kW
Annual net benefit (5 kW):
£832
KT7
Elmbridge
Annual sunshine:
998 kWh/kW
Annual net benefit (5 kW):
£832
KT8
Elmbridge
Annual sunshine:
998 kWh/kW
Annual net benefit (5 kW):
£832
KT9
Kingston upon Thames
Annual sunshine:
998 kWh/kW
Annual net benefit (5 kW):
£832
ME1
Medway
Annual sunshine:
1018 kWh/kW
Annual net benefit (5 kW):
£848
ME10
Swale
Annual sunshine:
1048 kWh/kW
Annual net benefit (5 kW):
£874
ME11
Swale
Annual sunshine:
1055 kWh/kW
Annual net benefit (5 kW):
£880
ME12
Swale
Annual sunshine:
1059 kWh/kW
Annual net benefit (5 kW):
£883
ME13
Swale
Annual sunshine:
1044 kWh/kW
Annual net benefit (5 kW):
£870
ME14
Maidstone
Annual sunshine:
1024 kWh/kW
Annual net benefit (5 kW):
£853
ME15
Maidstone
Annual sunshine:
1044 kWh/kW
Annual net benefit (5 kW):
£870
ME16
Maidstone
Annual sunshine:
1027 kWh/kW
Annual net benefit (5 kW):
£856
ME17
Maidstone
Annual sunshine:
1034 kWh/kW
Annual net benefit (5 kW):
£862
ME18
Maidstone
Annual sunshine:
1032 kWh/kW
Annual net benefit (5 kW):
£860
ME19
Tonbridge and Malling
Annual sunshine:
1032 kWh/kW
Annual net benefit (5 kW):
£860
ME2
Medway
Annual sunshine:
1016 kWh/kW
Annual net benefit (5 kW):
£846
ME20
Tonbridge and Malling
Annual sunshine:
1030 kWh/kW
Annual net benefit (5 kW):
£859
ME3
Medway
Annual sunshine:
1058 kWh/kW
Annual net benefit (5 kW):
£882
ME4
Medway
Annual sunshine:
1040 kWh/kW
Annual net benefit (5 kW):
£867
ME5
Medway
Annual sunshine:
1017 kWh/kW
Annual net benefit (5 kW):
£847
ME6
Tonbridge and Malling
Annual sunshine:
1023 kWh/kW
Annual net benefit (5 kW):
£853
ME7
Medway
Annual sunshine:
1018 kWh/kW
Annual net benefit (5 kW):
£849
ME8
Medway
Annual sunshine:
1034 kWh/kW
Annual net benefit (5 kW):
£862
ME9
Swale
Annual sunshine:
1048 kWh/kW
Annual net benefit (5 kW):
£874
ME99
Maidstone
Annual sunshine:
1017 kWh/kW
Annual net benefit (5 kW):
£848
RH1
Reigate and Banstead
Annual sunshine:
1008 kWh/kW
Annual net benefit (5 kW):
£840
RH10
Crawley
Annual sunshine:
1005 kWh/kW
Annual net benefit (5 kW):
£838
RH11
Crawley
Annual sunshine:
1008 kWh/kW
Annual net benefit (5 kW):
£840
RH12
Horsham
Annual sunshine:
1006 kWh/kW
Annual net benefit (5 kW):
£839
RH13
Horsham
Annual sunshine:
1024 kWh/kW
Annual net benefit (5 kW):
£854
RH15
Mid Sussex
Annual sunshine:
1060 kWh/kW
Annual net benefit (5 kW):
£884
RH16
Mid Sussex
Annual sunshine:
1029 kWh/kW
Annual net benefit (5 kW):
£858
RH17
Mid Sussex
Annual sunshine:
1033 kWh/kW
Annual net benefit (5 kW):
£861
RH18
Wealden
Annual sunshine:
1019 kWh/kW
Annual net benefit (5 kW):
£849
RH19
Mid Sussex
Annual sunshine:
1007 kWh/kW
Annual net benefit (5 kW):
£839
RH2
Reigate and Banstead
Annual sunshine:
1012 kWh/kW
Annual net benefit (5 kW):
£843
RH20
Horsham
Annual sunshine:
1052 kWh/kW
Annual net benefit (5 kW):
£877
RH3
Mole Valley
Annual sunshine:
1015 kWh/kW
Annual net benefit (5 kW):
£846
RH4
Mole Valley
Annual sunshine:
1012 kWh/kW
Annual net benefit (5 kW):
£844
RH5
Mole Valley
Annual sunshine:
1012 kWh/kW
Annual net benefit (5 kW):
£843
RH6
Reigate and Banstead
Annual sunshine:
1005 kWh/kW
Annual net benefit (5 kW):
£838
RH7
Tandridge
Annual sunshine:
1014 kWh/kW
Annual net benefit (5 kW):
£845
RH77
Crawley
Annual sunshine:
1007 kWh/kW
Annual net benefit (5 kW):
£839
RH8
Tandridge
Annual sunshine:
1006 kWh/kW
Annual net benefit (5 kW):
£838
RH9
Tandridge
Annual sunshine:
1003 kWh/kW
Annual net benefit (5 kW):
£836
SE19
Croydon
Annual sunshine:
996 kWh/kW
Annual net benefit (5 kW):
£830
SE25
Croydon
Annual sunshine:
996 kWh/kW
Annual net benefit (5 kW):
£830
SM1
Sutton
Annual sunshine:
995 kWh/kW
Annual net benefit (5 kW):
£829
SM2
Sutton
Annual sunshine:
995 kWh/kW
Annual net benefit (5 kW):
£829
SM3
Sutton
Annual sunshine:
995 kWh/kW
Annual net benefit (5 kW):
£829
SM5
Sutton
Annual sunshine:
995 kWh/kW
Annual net benefit (5 kW):
£829
SM6
Sutton
Annual sunshine:
995 kWh/kW
Annual net benefit (5 kW):
£829
SM7
Reigate and Banstead
Annual sunshine:
991 kWh/kW
Annual net benefit (5 kW):
£826
TN1
Tunbridge Wells
Annual sunshine:
1029 kWh/kW
Annual net benefit (5 kW):
£858
TN10
Tonbridge and Malling
Annual sunshine:
1034 kWh/kW
Annual net benefit (5 kW):
£862
TN11
Tonbridge and Malling
Annual sunshine:
1042 kWh/kW
Annual net benefit (5 kW):
£868
TN12
Tunbridge Wells
Annual sunshine:
1056 kWh/kW
Annual net benefit (5 kW):
£880
TN13
Sevenoaks
Annual sunshine:
1015 kWh/kW
Annual net benefit (5 kW):
£846
TN14
Sevenoaks
Annual sunshine:
1023 kWh/kW
Annual net benefit (5 kW):
£853
TN15
Sevenoaks
Annual sunshine:
1023 kWh/kW
Annual net benefit (5 kW):
£853
TN16
Bromley
Annual sunshine:
1009 kWh/kW
Annual net benefit (5 kW):
£841
TN17
Tunbridge Wells
Annual sunshine:
1046 kWh/kW
Annual net benefit (5 kW):
£872
TN18
Tunbridge Wells
Annual sunshine:
1076 kWh/kW
Annual net benefit (5 kW):
£897
TN19
Rother
Annual sunshine:
1052 kWh/kW
Annual net benefit (5 kW):
£877
TN2
Tunbridge Wells
Annual sunshine:
1029 kWh/kW
Annual net benefit (5 kW):
£858
TN20
Wealden
Annual sunshine:
1041 kWh/kW
Annual net benefit (5 kW):
£867
TN21
Wealden
Annual sunshine:
1049 kWh/kW
Annual net benefit (5 kW):
£874
TN22
Wealden
Annual sunshine:
1055 kWh/kW
Annual net benefit (5 kW):
£879
TN23
Ashford
Annual sunshine:
1088 kWh/kW
Annual net benefit (5 kW):
£907
TN24
Ashford
Annual sunshine:
1093 kWh/kW
Annual net benefit (5 kW):
£911
TN25
Ashford
Annual sunshine:
1059 kWh/kW
Annual net benefit (5 kW):
£883
TN26
Ashford
Annual sunshine:
1088 kWh/kW
Annual net benefit (5 kW):
£906
TN27
Ashford
Annual sunshine:
1042 kWh/kW
Annual net benefit (5 kW):
£868
TN28
Folkestone and Hythe
Annual sunshine:
1139 kWh/kW
Annual net benefit (5 kW):
£949
TN29
Folkestone and Hythe
Annual sunshine:
1123 kWh/kW
Annual net benefit (5 kW):
£936
TN3
Tunbridge Wells
Annual sunshine:
1023 kWh/kW
Annual net benefit (5 kW):
£853
TN30
Ashford
Annual sunshine:
1094 kWh/kW
Annual net benefit (5 kW):
£911
TN31
Rother
Annual sunshine:
1104 kWh/kW
Annual net benefit (5 kW):
£920
TN32
Rother
Annual sunshine:
1073 kWh/kW
Annual net benefit (5 kW):
£895
TN33
Rother
Annual sunshine:
1093 kWh/kW
Annual net benefit (5 kW):
£911
TN34
Hastings
Annual sunshine:
1125 kWh/kW
Annual net benefit (5 kW):
£938
TN35
Hastings
Annual sunshine:
1124 kWh/kW
Annual net benefit (5 kW):
£936
TN36
Rother
Annual sunshine:
1103 kWh/kW
Annual net benefit (5 kW):
£920
TN37
Hastings
Annual sunshine:
1125 kWh/kW
Annual net benefit (5 kW):
£938
TN38
Hastings
Annual sunshine:
1124 kWh/kW
Annual net benefit (5 kW):
£937
TN39
Rother
Annual sunshine:
1116 kWh/kW
Annual net benefit (5 kW):
£930
TN4
Tunbridge Wells
Annual sunshine:
1028 kWh/kW
Annual net benefit (5 kW):
£856
TN40
Rother
Annual sunshine:
1115 kWh/kW
Annual net benefit (5 kW):
£929
TN5
Wealden
Annual sunshine:
1045 kWh/kW
Annual net benefit (5 kW):
£871
TN6
Wealden
Annual sunshine:
1026 kWh/kW
Annual net benefit (5 kW):
£855
TN7
Wealden
Annual sunshine:
1019 kWh/kW
Annual net benefit (5 kW):
£849
TN8
Sevenoaks
Annual sunshine:
1024 kWh/kW
Annual net benefit (5 kW):
£853
TN9
Tonbridge and Malling
Annual sunshine:
1028 kWh/kW
Annual net benefit (5 kW):
£857
TW1
Richmond upon Thames
Annual sunshine:
991 kWh/kW
Annual net benefit (5 kW):
£826
TW10
Richmond upon Thames
Annual sunshine:
995 kWh/kW
Annual net benefit (5 kW):
£829
TW11
Richmond upon Thames
Annual sunshine:
998 kWh/kW
Annual net benefit (5 kW):
£831
TW12
Richmond upon Thames
Annual sunshine:
1000 kWh/kW
Annual net benefit (5 kW):
£833
TW17
Spelthorne
Annual sunshine:
997 kWh/kW
Annual net benefit (5 kW):
£831
TW2
Richmond upon Thames
Annual sunshine:
998 kWh/kW
Annual net benefit (5 kW):
£832
TW9
Richmond upon Thames
Annual sunshine:
991 kWh/kW
Annual net benefit (5 kW):
£826
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