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Plug-in solar in Portsmouth

In Portsmouth (PO postcodes) a two-panel kit can save you up to £177 a year – £4,425 over 25 years.

Best deal here: DMEGC 950W Hoymiles HiFlow kit – pays for itself in 2.5 yrs.

Get it for £456 ›

Two plug-in solar panels on a flat roof overlooking a garden

What a kit makes in Portsmouth

About 1007 kWh a year in a sunny garden spot – 16% more than the middle of England.

WherePer yearSaves up to
Garden (ground frame), south1007 kWh£177
Balcony railing, south850 kWh£159
House wall, south736 kWh£143
House wall, east517 kWh£108
House wall, west500 kWh£106
Flat roof, south912 kWh£163

Month by month

Jan: 37 kWh madeJan: 29 kWh used at homeJanFeb: 52 kWh madeFeb: 37 kWh used at homeFebMar: 86 kWh madeMar: 57 kWh used at homeMarApr: 115 kWh madeApr: 72 kWh used at homeAprMay: 122 kWh madeMay: 79 kWh used at homeMayJun: 125 kWh madeJun: 81 kWh used at homeJunJul: 126 kWh madeJul: 82 kWh used at homeJulAug: 109 kWh madeAug: 72 kWh used at homeAugSep: 92 kWh madeSep: 60 kWh used at homeSepOct: 64 kWh madeOct: 45 kWh used at homeOctNov: 44 kWh madeNov: 33 kWh used at homeNovDec: 34 kWh madeDec: 26 kWh used at homeDec

made used at home

Sunshine data: PVGIS (EU) for the PO 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.
£179 a yearThat's £4,471 over 25 years of free sunshine
2.5 yrsto pay for itself
1,024 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

£179saved a year
2.5 yrsto pay back
£456City Plumbing
Get this deal ›
Runner-up

DMEGC 1050W Hoymiles HiFlow kit

£185saved a year
2.6 yrsto pay back
£480City Plumbing
Get this deal ›
Also great

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

£178saved 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: 53 kWh madeFeb: 38 kWh used at homeFebMar: 88 kWh madeMar: 58 kWh used at homeMarApr: 117 kWh madeApr: 72 kWh used at homeAprMay: 124 kWh madeMay: 80 kWh used at homeMayJun: 127 kWh madeJun: 82 kWh used at homeJunJul: 128 kWh madeJul: 83 kWh used at homeJulAug: 111 kWh madeAug: 72 kWh used at homeAugSep: 94 kWh madeSep: 61 kWh used at homeSepOct: 65 kWh madeOct: 46 kWh used at homeOctNov: 45 kWh madeNov: 33 kWh used at homeNovDec: 34 kWh madeDec: 26 kWh used at homeDec

made used at home

679 kWh used at home as it's made (66%).

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