Solar Panel Installation in Southern Western
6.0 kWp
Typical system size
1013 kWh/kW
Annual sunshine
23.30p
Electricity rate
58.32p/day
Standing charge
£994
Annual net benefit (median)
Rates from Ofgem 2026Q2. Yield data from PVGIS (south-facing, optimal tilt).
Solar potential varies by 28% across Southern Western — location matters even within the same region.
Highest solar potential
TQ7 (South Hams)
1123 kWh/kW
Annual net benefit (5 kW):
£861
/year
TQ8 (South Hams)
1115 kWh/kW
Annual net benefit (5 kW):
£854
/year
TR23 (Isles of Scilly)
1101 kWh/kW
Annual net benefit (5 kW):
£843
/year
TR22 (Isles of Scilly)
1099 kWh/kW
Annual net benefit (5 kW):
£842
/year
TR12 (Cornwall)
1097 kWh/kW
Annual net benefit (5 kW):
£840
/year
Lower potential areas
Still viable with the right tariff and usage patterns.
EX35 (North Devon)
876 kWh/kW
Annual net benefit (5 kW):
£671
/year
EX20 (West Devon)
946 kWh/kW
Annual net benefit (5 kW):
£724
/year
EX34 (North Devon)
950 kWh/kW
Annual net benefit (5 kW):
£727
/year
PL19 (West Devon)
951 kWh/kW
Annual net benefit (5 kW):
£729
/year
BS29 (North Somerset)
953 kWh/kW
Annual net benefit (5 kW):
£730
/year
37% 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 Southern Western
Select your postcode area to see exact costs, break-even time, and local installers. Sorted A–Z. Showing 186 postcode areas.
BA1
Bath and North East Somerset
Annual sunshine:
978 kWh/kW
Annual net benefit (5 kW):
£749
BA16
Somerset
Annual sunshine:
1009 kWh/kW
Annual net benefit (5 kW):
£773
BA2
Bath and North East Somerset
Annual sunshine:
1000 kWh/kW
Annual net benefit (5 kW):
£766
BA3
Bath and North East Somerset
Annual sunshine:
1000 kWh/kW
Annual net benefit (5 kW):
£766
BA4
Somerset
Annual sunshine:
996 kWh/kW
Annual net benefit (5 kW):
£763
BA5
Somerset
Annual sunshine:
988 kWh/kW
Annual net benefit (5 kW):
£757
BA6
Somerset
Annual sunshine:
1009 kWh/kW
Annual net benefit (5 kW):
£773
BS0
North Somerset
Annual sunshine:
1032 kWh/kW
Annual net benefit (5 kW):
£790
BS1
Bristol, City of
Annual sunshine:
994 kWh/kW
Annual net benefit (5 kW):
£761
BS10
Bristol, City of
Annual sunshine:
992 kWh/kW
Annual net benefit (5 kW):
£760
BS11
Bristol, City of
Annual sunshine:
1003 kWh/kW
Annual net benefit (5 kW):
£769
BS12
South Gloucestershire
Annual sunshine:
983 kWh/kW
Annual net benefit (5 kW):
£753
BS13
Bristol, City of
Annual sunshine:
998 kWh/kW
Annual net benefit (5 kW):
£764
BS14
Bristol, City of
Annual sunshine:
994 kWh/kW
Annual net benefit (5 kW):
£761
BS15
South Gloucestershire
Annual sunshine:
989 kWh/kW
Annual net benefit (5 kW):
£758
BS16
South Gloucestershire
Annual sunshine:
989 kWh/kW
Annual net benefit (5 kW):
£758
BS18
Bath and North East Somerset
Annual sunshine:
985 kWh/kW
Annual net benefit (5 kW):
£755
BS19
North Somerset
Annual sunshine:
1002 kWh/kW
Annual net benefit (5 kW):
£768
BS2
Bristol, City of
Annual sunshine:
992 kWh/kW
Annual net benefit (5 kW):
£760
BS20
North Somerset
Annual sunshine:
1004 kWh/kW
Annual net benefit (5 kW):
£769
BS21
North Somerset
Annual sunshine:
1006 kWh/kW
Annual net benefit (5 kW):
£771
BS22
North Somerset
Annual sunshine:
1029 kWh/kW
Annual net benefit (5 kW):
£788
BS23
North Somerset
Annual sunshine:
1032 kWh/kW
Annual net benefit (5 kW):
£790
BS24
North Somerset
Annual sunshine:
1027 kWh/kW
Annual net benefit (5 kW):
£787
BS25
North Somerset
Annual sunshine:
978 kWh/kW
Annual net benefit (5 kW):
£749
BS26
Somerset
Annual sunshine:
1006 kWh/kW
Annual net benefit (5 kW):
£770
BS27
Somerset
Annual sunshine:
979 kWh/kW
Annual net benefit (5 kW):
£750
BS28
Somerset
Annual sunshine:
1012 kWh/kW
Annual net benefit (5 kW):
£775
BS29
North Somerset
Annual sunshine:
953 kWh/kW
Annual net benefit (5 kW):
£730
BS3
Bristol, City of
Annual sunshine:
994 kWh/kW
Annual net benefit (5 kW):
£761
BS31
Bath and North East Somerset
Annual sunshine:
985 kWh/kW
Annual net benefit (5 kW):
£755
BS32
South Gloucestershire
Annual sunshine:
988 kWh/kW
Annual net benefit (5 kW):
£757
BS34
South Gloucestershire
Annual sunshine:
989 kWh/kW
Annual net benefit (5 kW):
£758
BS39
Bath and North East Somerset
Annual sunshine:
989 kWh/kW
Annual net benefit (5 kW):
£757
BS4
Bristol, City of
Annual sunshine:
994 kWh/kW
Annual net benefit (5 kW):
£761
BS40
North Somerset
Annual sunshine:
998 kWh/kW
Annual net benefit (5 kW):
£764
BS41
North Somerset
Annual sunshine:
1004 kWh/kW
Annual net benefit (5 kW):
£769
BS48
North Somerset
Annual sunshine:
1002 kWh/kW
Annual net benefit (5 kW):
£768
BS49
North Somerset
Annual sunshine:
996 kWh/kW
Annual net benefit (5 kW):
£763
BS5
Bristol, City of
Annual sunshine:
992 kWh/kW
Annual net benefit (5 kW):
£760
BS6
Bristol, City of
Annual sunshine:
992 kWh/kW
Annual net benefit (5 kW):
£760
BS7
Bristol, City of
Annual sunshine:
992 kWh/kW
Annual net benefit (5 kW):
£760
BS77
Bristol, City of
Annual sunshine:
999 kWh/kW
Annual net benefit (5 kW):
£765
BS8
Bristol, City of
Annual sunshine:
996 kWh/kW
Annual net benefit (5 kW):
£763
BS80
South Gloucestershire
Annual sunshine:
1032 kWh/kW
Annual net benefit (5 kW):
£790
BS9
Bristol, City of
Annual sunshine:
996 kWh/kW
Annual net benefit (5 kW):
£763
BS98
Bristol, City of
Annual sunshine:
992 kWh/kW
Annual net benefit (5 kW):
£760
BS99
Bristol, City of
Annual sunshine:
992 kWh/kW
Annual net benefit (5 kW):
£760
DT6
Dorset
Annual sunshine:
1079 kWh/kW
Annual net benefit (5 kW):
£827
DT7
Dorset
Annual sunshine:
1043 kWh/kW
Annual net benefit (5 kW):
£799
DT8
Dorset
Annual sunshine:
1017 kWh/kW
Annual net benefit (5 kW):
£779
EX1
Exeter
Annual sunshine:
1020 kWh/kW
Annual net benefit (5 kW):
£781
EX10
East Devon
Annual sunshine:
1038 kWh/kW
Annual net benefit (5 kW):
£795
EX11
East Devon
Annual sunshine:
1013 kWh/kW
Annual net benefit (5 kW):
£776
EX12
East Devon
Annual sunshine:
1064 kWh/kW
Annual net benefit (5 kW):
£815
EX13
East Devon
Annual sunshine:
1043 kWh/kW
Annual net benefit (5 kW):
£799
EX14
East Devon
Annual sunshine:
1037 kWh/kW
Annual net benefit (5 kW):
£795
EX15
Mid Devon
Annual sunshine:
985 kWh/kW
Annual net benefit (5 kW):
£754
EX16
Mid Devon
Annual sunshine:
997 kWh/kW
Annual net benefit (5 kW):
£763
EX17
Mid Devon
Annual sunshine:
1004 kWh/kW
Annual net benefit (5 kW):
£769
EX18
North Devon
Annual sunshine:
979 kWh/kW
Annual net benefit (5 kW):
£750
EX19
Torridge
Annual sunshine:
958 kWh/kW
Annual net benefit (5 kW):
£734
EX2
Exeter
Annual sunshine:
1038 kWh/kW
Annual net benefit (5 kW):
£795
EX20
West Devon
Annual sunshine:
946 kWh/kW
Annual net benefit (5 kW):
£724
EX21
Torridge
Annual sunshine:
962 kWh/kW
Annual net benefit (5 kW):
£737
EX22
Torridge
Annual sunshine:
976 kWh/kW
Annual net benefit (5 kW):
£747
EX23
Cornwall
Annual sunshine:
1008 kWh/kW
Annual net benefit (5 kW):
£772
EX24
East Devon
Annual sunshine:
1064 kWh/kW
Annual net benefit (5 kW):
£815
EX3
Exeter
Annual sunshine:
1031 kWh/kW
Annual net benefit (5 kW):
£790
EX31
North Devon
Annual sunshine:
986 kWh/kW
Annual net benefit (5 kW):
£755
EX32
North Devon
Annual sunshine:
971 kWh/kW
Annual net benefit (5 kW):
£744
EX33
North Devon
Annual sunshine:
1020 kWh/kW
Annual net benefit (5 kW):
£781
EX34
North Devon
Annual sunshine:
950 kWh/kW
Annual net benefit (5 kW):
£727
EX35
North Devon
Annual sunshine:
876 kWh/kW
Annual net benefit (5 kW):
£671
EX36
North Devon
Annual sunshine:
966 kWh/kW
Annual net benefit (5 kW):
£740
EX37
North Devon
Annual sunshine:
964 kWh/kW
Annual net benefit (5 kW):
£739
EX38
Torridge
Annual sunshine:
975 kWh/kW
Annual net benefit (5 kW):
£746
EX39
Torridge
Annual sunshine:
1011 kWh/kW
Annual net benefit (5 kW):
£774
EX4
Exeter
Annual sunshine:
1015 kWh/kW
Annual net benefit (5 kW):
£777
EX5
East Devon
Annual sunshine:
1028 kWh/kW
Annual net benefit (5 kW):
£788
EX6
Teignbridge
Annual sunshine:
998 kWh/kW
Annual net benefit (5 kW):
£765
EX7
Teignbridge
Annual sunshine:
1027 kWh/kW
Annual net benefit (5 kW):
£786
EX8
East Devon
Annual sunshine:
1036 kWh/kW
Annual net benefit (5 kW):
£794
EX9
East Devon
Annual sunshine:
1041 kWh/kW
Annual net benefit (5 kW):
£798
PL1
Plymouth
Annual sunshine:
1087 kWh/kW
Annual net benefit (5 kW):
£833
PL10
Cornwall
Annual sunshine:
1072 kWh/kW
Annual net benefit (5 kW):
£821
PL11
Cornwall
Annual sunshine:
1075 kWh/kW
Annual net benefit (5 kW):
£823
PL12
Cornwall
Annual sunshine:
1041 kWh/kW
Annual net benefit (5 kW):
£797
PL13
Cornwall
Annual sunshine:
1046 kWh/kW
Annual net benefit (5 kW):
£801
PL14
Cornwall
Annual sunshine:
1026 kWh/kW
Annual net benefit (5 kW):
£786
PL15
Cornwall
Annual sunshine:
987 kWh/kW
Annual net benefit (5 kW):
£756
PL16
West Devon
Annual sunshine:
962 kWh/kW
Annual net benefit (5 kW):
£737
PL17
Cornwall
Annual sunshine:
996 kWh/kW
Annual net benefit (5 kW):
£763
PL18
Cornwall
Annual sunshine:
976 kWh/kW
Annual net benefit (5 kW):
£747
PL19
West Devon
Annual sunshine:
951 kWh/kW
Annual net benefit (5 kW):
£729
PL2
Plymouth
Annual sunshine:
1076 kWh/kW
Annual net benefit (5 kW):
£824
PL20
West Devon
Annual sunshine:
986 kWh/kW
Annual net benefit (5 kW):
£755
PL21
South Hams
Annual sunshine:
1086 kWh/kW
Annual net benefit (5 kW):
£832
PL22
Cornwall
Annual sunshine:
1019 kWh/kW
Annual net benefit (5 kW):
£781
PL23
Cornwall
Annual sunshine:
1041 kWh/kW
Annual net benefit (5 kW):
£798
PL24
Cornwall
Annual sunshine:
1049 kWh/kW
Annual net benefit (5 kW):
£803
PL25
Cornwall
Annual sunshine:
1029 kWh/kW
Annual net benefit (5 kW):
£788
PL26
Cornwall
Annual sunshine:
1028 kWh/kW
Annual net benefit (5 kW):
£788
PL27
Cornwall
Annual sunshine:
995 kWh/kW
Annual net benefit (5 kW):
£762
PL28
Cornwall
Annual sunshine:
1013 kWh/kW
Annual net benefit (5 kW):
£776
PL29
Cornwall
Annual sunshine:
983 kWh/kW
Annual net benefit (5 kW):
£753
PL3
Plymouth
Annual sunshine:
1075 kWh/kW
Annual net benefit (5 kW):
£824
PL30
Cornwall
Annual sunshine:
990 kWh/kW
Annual net benefit (5 kW):
£758
PL31
Cornwall
Annual sunshine:
982 kWh/kW
Annual net benefit (5 kW):
£752
PL32
Cornwall
Annual sunshine:
968 kWh/kW
Annual net benefit (5 kW):
£742
PL33
Cornwall
Annual sunshine:
959 kWh/kW
Annual net benefit (5 kW):
£734
PL34
Cornwall
Annual sunshine:
964 kWh/kW
Annual net benefit (5 kW):
£739
PL35
Cornwall
Annual sunshine:
974 kWh/kW
Annual net benefit (5 kW):
£746
PL4
Plymouth
Annual sunshine:
1087 kWh/kW
Annual net benefit (5 kW):
£833
PL5
Plymouth
Annual sunshine:
1076 kWh/kW
Annual net benefit (5 kW):
£824
PL6
Plymouth
Annual sunshine:
1042 kWh/kW
Annual net benefit (5 kW):
£798
PL7
Plymouth
Annual sunshine:
1081 kWh/kW
Annual net benefit (5 kW):
£828
PL8
South Hams
Annual sunshine:
1081 kWh/kW
Annual net benefit (5 kW):
£828
PL9
Plymouth
Annual sunshine:
1073 kWh/kW
Annual net benefit (5 kW):
£822
PL95
Plymouth
Annual sunshine:
1043 kWh/kW
Annual net benefit (5 kW):
£799
TA1
Somerset
Annual sunshine:
1000 kWh/kW
Annual net benefit (5 kW):
£766
TA10
Somerset
Annual sunshine:
1017 kWh/kW
Annual net benefit (5 kW):
£779
TA11
Somerset
Annual sunshine:
1014 kWh/kW
Annual net benefit (5 kW):
£776
TA12
Somerset
Annual sunshine:
1017 kWh/kW
Annual net benefit (5 kW):
£779
TA13
Somerset
Annual sunshine:
1020 kWh/kW
Annual net benefit (5 kW):
£782
TA14
Somerset
Annual sunshine:
1018 kWh/kW
Annual net benefit (5 kW):
£780
TA15
Somerset
Annual sunshine:
1018 kWh/kW
Annual net benefit (5 kW):
£780
TA16
Somerset
Annual sunshine:
1017 kWh/kW
Annual net benefit (5 kW):
£779
TA17
Somerset
Annual sunshine:
1019 kWh/kW
Annual net benefit (5 kW):
£780
TA18
Somerset
Annual sunshine:
1012 kWh/kW
Annual net benefit (5 kW):
£775
TA19
Somerset
Annual sunshine:
1017 kWh/kW
Annual net benefit (5 kW):
£779
TA2
Somerset
Annual sunshine:
1000 kWh/kW
Annual net benefit (5 kW):
£766
TA20
Somerset
Annual sunshine:
1011 kWh/kW
Annual net benefit (5 kW):
£774
TA21
Somerset
Annual sunshine:
986 kWh/kW
Annual net benefit (5 kW):
£755
TA22
Somerset
Annual sunshine:
959 kWh/kW
Annual net benefit (5 kW):
£735
TA23
Somerset
Annual sunshine:
991 kWh/kW
Annual net benefit (5 kW):
£759
TA24
Somerset
Annual sunshine:
992 kWh/kW
Annual net benefit (5 kW):
£760
TA3
Somerset
Annual sunshine:
1018 kWh/kW
Annual net benefit (5 kW):
£779
TA4
Somerset
Annual sunshine:
1000 kWh/kW
Annual net benefit (5 kW):
£766
TA5
Somerset
Annual sunshine:
1024 kWh/kW
Annual net benefit (5 kW):
£785
TA6
Somerset
Annual sunshine:
1020 kWh/kW
Annual net benefit (5 kW):
£781
TA7
Somerset
Annual sunshine:
1015 kWh/kW
Annual net benefit (5 kW):
£777
TA8
Somerset
Annual sunshine:
1028 kWh/kW
Annual net benefit (5 kW):
£787
TA9
Somerset
Annual sunshine:
1028 kWh/kW
Annual net benefit (5 kW):
£788
TQ1
Torbay
Annual sunshine:
1016 kWh/kW
Annual net benefit (5 kW):
£778
TQ10
South Hams
Annual sunshine:
1034 kWh/kW
Annual net benefit (5 kW):
£792
TQ11
Teignbridge
Annual sunshine:
1029 kWh/kW
Annual net benefit (5 kW):
£788
TQ12
Teignbridge
Annual sunshine:
1048 kWh/kW
Annual net benefit (5 kW):
£803
TQ13
Teignbridge
Annual sunshine:
1031 kWh/kW
Annual net benefit (5 kW):
£790
TQ14
Teignbridge
Annual sunshine:
1011 kWh/kW
Annual net benefit (5 kW):
£775
TQ2
Torbay
Annual sunshine:
1043 kWh/kW
Annual net benefit (5 kW):
£799
TQ3
Torbay
Annual sunshine:
1044 kWh/kW
Annual net benefit (5 kW):
£799
TQ4
Torbay
Annual sunshine:
1058 kWh/kW
Annual net benefit (5 kW):
£810
TQ5
Torbay
Annual sunshine:
1075 kWh/kW
Annual net benefit (5 kW):
£824
TQ6
South Hams
Annual sunshine:
1062 kWh/kW
Annual net benefit (5 kW):
£813
TQ7
South Hams
Annual sunshine:
1123 kWh/kW
Annual net benefit (5 kW):
£861
TQ8
South Hams
Annual sunshine:
1115 kWh/kW
Annual net benefit (5 kW):
£854
TQ9
South Hams
Annual sunshine:
1058 kWh/kW
Annual net benefit (5 kW):
£810
TR1
Cornwall
Annual sunshine:
1029 kWh/kW
Annual net benefit (5 kW):
£788
TR10
Cornwall
Annual sunshine:
1027 kWh/kW
Annual net benefit (5 kW):
£786
TR11
Cornwall
Annual sunshine:
1021 kWh/kW
Annual net benefit (5 kW):
£782
TR12
Cornwall
Annual sunshine:
1097 kWh/kW
Annual net benefit (5 kW):
£840
TR13
Cornwall
Annual sunshine:
1082 kWh/kW
Annual net benefit (5 kW):
£829
TR14
Cornwall
Annual sunshine:
1008 kWh/kW
Annual net benefit (5 kW):
£772
TR15
Cornwall
Annual sunshine:
1012 kWh/kW
Annual net benefit (5 kW):
£776
TR16
Cornwall
Annual sunshine:
1013 kWh/kW
Annual net benefit (5 kW):
£776
TR17
Cornwall
Annual sunshine:
1067 kWh/kW
Annual net benefit (5 kW):
£817
TR18
Cornwall
Annual sunshine:
1066 kWh/kW
Annual net benefit (5 kW):
£817
TR19
Cornwall
Annual sunshine:
1083 kWh/kW
Annual net benefit (5 kW):
£830
TR2
Cornwall
Annual sunshine:
1041 kWh/kW
Annual net benefit (5 kW):
£797
TR20
Cornwall
Annual sunshine:
1067 kWh/kW
Annual net benefit (5 kW):
£817
TR21
Isles of Scilly
Annual sunshine:
1066 kWh/kW
Annual net benefit (5 kW):
£816
TR22
Isles of Scilly
Annual sunshine:
1099 kWh/kW
Annual net benefit (5 kW):
£842
TR23
Isles of Scilly
Annual sunshine:
1101 kWh/kW
Annual net benefit (5 kW):
£843
TR24
Isles of Scilly
Annual sunshine:
1096 kWh/kW
Annual net benefit (5 kW):
£840
TR25
Isles of Scilly
Annual sunshine:
1092 kWh/kW
Annual net benefit (5 kW):
£836
TR26
Cornwall
Annual sunshine:
1009 kWh/kW
Annual net benefit (5 kW):
£773
TR27
Cornwall
Annual sunshine:
1067 kWh/kW
Annual net benefit (5 kW):
£818
TR3
Cornwall
Annual sunshine:
1038 kWh/kW
Annual net benefit (5 kW):
£795
TR4
Cornwall
Annual sunshine:
1005 kWh/kW
Annual net benefit (5 kW):
£770
TR5
Cornwall
Annual sunshine:
1025 kWh/kW
Annual net benefit (5 kW):
£785
TR6
Cornwall
Annual sunshine:
1032 kWh/kW
Annual net benefit (5 kW):
£791
TR7
Cornwall
Annual sunshine:
1030 kWh/kW
Annual net benefit (5 kW):
£789
TR8
Cornwall
Annual sunshine:
1023 kWh/kW
Annual net benefit (5 kW):
£783
TR9
Cornwall
Annual sunshine:
988 kWh/kW
Annual net benefit (5 kW):
£757
TR93
Cornwall
Annual sunshine:
1066 kWh/kW
Annual net benefit (5 kW):
£817
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