Hampshire, England
Solar panels in Hampshire, priced before anyone visits.
Twelve panels (6.36 kWp) here make about 6,630 kWh a year for £6,360 installed, designed around your roof on a free 30-minute video call.
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Sunlight in Hampshire, in numbers
Hampshire's best month is July, at 125.7 kWh per kWp; December manages 36.9. Over the year that comes to 1,043 kWh per kWp, 13% above the mean of our 85 county estimates.
Generation per kWp, month by month
Show the monthly figures
| Month | kWh/kWp |
|---|---|
| January | 40.8 |
| February | 54.4 |
| March | 91.7 |
| April | 119 |
| May | 125 |
| June | 125 |
| July | 126 |
| August | 113 |
| September | 97.5 |
| October | 67.7 |
| November | 46.3 |
| December | 36.9 |
Source: PVGIS v5.2 (European Commission JRC), SARAH3 database, 1 kWp, 14% system loss, 35 degree pitch, due south, checked September 2026.
Against Great Britain as a whole: Hampshire makes 1,043 kWh per kWp a year, and the mean of our 85 county PVGIS estimates (our GB average) is 925, so Hampshire is 13% above it.
How Hampshire compares
Hampshire ranks 6th of the 85 counties we track for solar yield, which puts export income near the top of the country. On the 12p scenario a 12 panel system here sends about 5,697 kWh to the grid a year on top of the £247 it saves you directly, so oversizing the array is usually the right call.
Every figure here assumes a clear, south-facing roof at 35 degrees in the middle of Hampshire. Yours will differ; the calculator below lets you test panels, batteries and export rates first.
The charger is in the installed price but left out of payback: charging savings depend on your mileage and tariff, which the design call models properly.
Your real roof and usage, worked through on a free 30-minute video call. Use the full form or leave three details below.
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Generation from PVGIS v5.2 (European Commission JRC, SARAH3), retrieved August 2026 for a representative point in Hampshire (51.0537, -1.2927), assuming 1 kWp, 14% system loss, 35 degree pitch, due south. Import valued at 26.32p/kWh (Ofgem price cap average, Oct to Dec 2026); off-peak charging at 8.5p/kWh where used (a supplier's published off-peak rate, checked September 2026); export at the scenario you pick, from the dated tariff table. Prices are installed pricing, August 2026, standard installations; 530W LONGi panels at £1,000 per kWp. Estimates for illustration, not a quote: your free design call prices your actual roof.
The network operator for Hampshire
Scottish and Southern Electricity Networks (SSEN) is the distribution network operator (DNO) for Hampshire, running its Southern England licence area.
For a typical home the paperwork is light: a system of up to 3.68kW per phase goes through G98, which means SSEN is notified within 28 days of switch-on rather than asked beforehand.
Above that, G99 means applying before the work is booked. SSEN says it can take up to 45 working days to issue a quotation for a generation connection above 3.68kW per phase and up to 50kW.
Sources: NESO DNO licence areas (3 May 2024); SSEN, micro-generation connections page, checked 25 September 2026. G98 vs G99, explained.
Beyond the panels: heating and car charging in Hampshire
A heat pump in Hampshire
Heating demand peaks when solar is weakest. In Hampshire, a 12-panel system makes about 230 kWh in December and 260 kWh in January, a fraction of its 800 kWh in July, which is why a heat pump here is costed on its tariff first.
The Boiler Upgrade Scheme, open in England and Wales, takes £7,500 off an air source or ground source heat pump, or £2,500 off an air-to-air unit. Homes on oil or LPG with no mains gas get £1,500 more until March 2027 (gov.uk, checked 28 September 2026).
Charging an EV in Hampshire
Hampshire's July output, about 800 kWh from 12 panels, is several times the 70 kWh or so a typical home uses in daylight that month on our calculator's settings. Daytime charging turns that surplus into miles.
The calculator above includes a 7.4kW smart charger from £1,100 installed. Renters and flat owners with off-street parking can claim 75% of a chargepoint's cost, up to £500 per socket, until 31 March 2027 (gov.uk, checked 28 September 2026).
The packages, priced before anyone visits
Every system is designed around your roof on the free call before anything is fitted.
What else is true of Hampshire
Hampshire's housing spans two contrasting patterns: in the New Forest, villages such as Lyndhurst, Brockenhurst, Burley and Beaulieu retain older, small-scale centres, while Basingstoke was rapidly expanded from the late 1960s as London overspill, growing from around 25,000 people after the war to more than 52,000 by 1971, with large purpose-built estates such as Chineham, Popley, Winklebury and Brighton Hill added around the original town, so roof form varies enormously between the county's historic villages and its planned post-war towns.
Hampshire sits in SSEN territory, on its Southern Electric Power Distribution licence; SSEN's own G99 Fast Track aims to reply within 10 working days for eligible schemes, well inside the 45 working day industry standard. Eleven district and borough councils handle most planning applications, including household solar, while Hampshire County Council leads on strategic, minerals and waste planning; inside the New Forest National Park, the park authority confirms permitted development rights are more restricted, so some solar installations there need planning permission not needed elsewhere in the county.
Hampshire County Council's Climate Change Strategy targets carbon neutrality for the council by 2050, alongside building resilience to a two-degree temperature rise. Under the government's Public Sector Decarbonisation Scheme, the council fitted solar panels across 258 of its own corporate and school buildings between January 2021 and April 2022, more than 13,000 panels with a combined 5.969MW of capacity, at a cost of £6.75 million.
Sources: hants.gov.uk
Solar in Hampshire: your questions answered
How much electricity do solar panels make in Hampshire?
About 6,630 kWh a year from 12 panels (6.36 kWp), on PVGIS satellite data for Hampshire: 1,043 kWh per kWp, or 2.86 peak sun hours a day on average. July is the strongest month, at about 800 kWh.
Is solar more expensive in Hampshire?
Prices on this site are the same everywhere: £1,000 per kWp installed, which puts a 12-panel system at £6,360 in Hampshire, and a Duracell Dura16 installed with solar at £4,450 on top. The local part is generation, about 6,630 kWh a year here, which is what drives payback.
Which DNO covers Hampshire, and what does it need from me?
Scottish and Southern Electricity Networks (SSEN) covers Hampshire. A home system of up to 3.68kW per phase is notified to SSEN within 28 days of commissioning under G98, and nothing waits on approval. Larger outputs need a G99 application before work starts. SSEN says it can take up to 45 working days to issue a quotation for a generation connection above 3.68kW per phase and up to 50kW.
What could I earn from exporting in Hampshire?
On the 12p export scenario, a 12-panel system in Hampshire sends about 5,697 kWh a year to the grid, worth around £684. The export rates table compares what each supplier pays.
How much solar does Hampshire get in December?
December is the low point: about 230 kWh from a 12-panel system in Hampshire, on PVGIS data, rising to 800 kWh in July. From November to February the same system makes about 1,130 kWh in total, which is why a battery charged off-peak does more of the work in winter.
Towns we cover in Hampshire
45 Hampshire towns have their own page, each with PVGIS figures, a network operator and a monthly curve for its own location.
Nearby in England
See a number before you speak to anyone
Answer a few questions about your roof and usage and see an instant solar and battery estimate. No email needed to see the result.
Reading for Hampshire homeowners
The same guidance we would talk through on your call, written down and sourced.
Do you need planning permission for solar panels? Usually not
Usually not, provided the installation stays within the limits updated on 27 August 2026.
Read the guide →Tesla Powerwall 3 against the alternatives, and where each one wins
The strongest single box in the market, and the houses it is still wrong for.
Read the guide →How solar aware EV charging actually works
The CT clamp, the surplus tracking and the 1.4kW floor that catches people out.
Read the guide →Are heat pumps worth it? The real 2026 numbers
Electricity costs 3.3x gas per kWh. A heat pump is about 3x as efficient. The numbers nearly cancel out.
Read the guide →Why tariff choice moves payback more than kit choice
Identical kit, five times the export income. The tariff decision worked through with August 2026 rates.
Read the guide →G98 or G99: which one applies, what the application involves, and how long it takes
The G98 line sits at 3.68kW per phase. Above it, your network operator has to say yes first.
Read the guide →Get my free quote
Takes about two minutes. We call or text within one working day to book your free 30-minute video design call at a time that suits you. We design it around your roof and your numbers, and our MCS-certified, fully insured installation teams install it.