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Plug-in solar in Southampton

In Southampton (SO postcodes) a two-panel kit can save you up to £171 a year – £4,272 over 25 years.

Best deal here: DMEGC 950W Hoymiles HiFlow kit – pays for itself in 2.6 yrs.

Get it for £456 ›

Two plug-in solar panels mounted on a sunny brick wall

What a kit makes in Southampton

About 951 kWh a year in a sunny garden spot – 9% more than the middle of England.

WherePer yearSaves up to
Garden (ground frame), south951 kWh£171
Balcony railing, south806 kWh£153
House wall, south699 kWh£138
House wall, east487 kWh£104
House wall, west471 kWh£101
Flat roof, south859 kWh£157

Month by month

Jan: 37 kWh madeJan: 28 kWh used at homeJanFeb: 50 kWh madeFeb: 36 kWh used at homeFebMar: 82 kWh madeMar: 55 kWh used at homeMarApr: 108 kWh madeApr: 69 kWh used at homeAprMay: 114 kWh madeMay: 76 kWh used at homeMayJun: 115 kWh madeJun: 77 kWh used at homeJunJul: 115 kWh madeJul: 77 kWh used at homeJulAug: 103 kWh madeAug: 69 kWh used at homeAugSep: 88 kWh madeSep: 59 kWh used at homeSepOct: 63 kWh madeOct: 45 kWh used at homeOctNov: 44 kWh madeNov: 32 kWh used at homeNovDec: 32 kWh madeDec: 25 kWh used at homeDec

made used at home

Sunshine data: PVGIS (EU) for the SO postcode area. Two-panel kit, someone home in the day.

What would you save?

Using the UK average until you add a postcode.
Where would it go?
Which way does it face?
Shade
Is someone home in the day?
Room for
My electricity price
Ofgem price cap average, 1 Oct – 31 Dec 2026.
Only Octopus pays this so far.
£173 a yearThat's £4,318 over 25 years of free sunshine
2.6 yrsto pay for itself
967 kWhfree electricity a year

With the DMEGC 950W Hoymiles HiFlow kit (£456) – the best deal for this spot.

Best deals for this spot

Best deal

DMEGC 950W Hoymiles HiFlow kit

£173saved a year
2.6 yrsto pay back
£456City Plumbing
Get this deal ›
Runner-up

DMEGC 1050W Hoymiles HiFlow kit

£179saved a year
2.7 yrsto pay back
£480City Plumbing
Get this deal ›
Also great

JA Solar 800W balcony & garden kit (2 × 465W)

£172saved a year
2.7 yrsto pay back
£470.95Voltacon Solar
Get this deal ›
Month by month
Jan: 38 kWh madeJan: 29 kWh used at homeJanFeb: 51 kWh madeFeb: 36 kWh used at homeFebMar: 83 kWh madeMar: 56 kWh used at homeMarApr: 109 kWh madeApr: 70 kWh used at homeAprMay: 116 kWh madeMay: 77 kWh used at homeMayJun: 117 kWh madeJun: 78 kWh used at homeJunJul: 117 kWh madeJul: 78 kWh used at homeJulAug: 104 kWh madeAug: 70 kWh used at homeAugSep: 90 kWh madeSep: 59 kWh used at homeSepOct: 64 kWh madeOct: 45 kWh used at homeOctNov: 45 kWh madeNov: 33 kWh used at homeNovDec: 33 kWh madeDec: 26 kWh used at homeDec

made used at home

656 kWh used at home as it's made (68%).

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