Buckinghamshire
Solar panels in Beaconsfield, designed on a free call.
A 12-panel roof in Beaconsfield makes about 6,430 kWh a year and costs £6,360 installed; a free 30-minute video call sizes it to yours.
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Sunlight in Beaconsfield, in numbers
PVGIS puts Beaconsfield at 1,011 kWh per kWp a year, 1% above our Buckinghamshire county estimate. 68% of it arrives between April and September, peaking in July.
Generation per kWp, month by month
Show the monthly figures
| Month | kWh/kWp |
|---|---|
| January | 39.3 |
| February | 52.9 |
| March | 87.7 |
| April | 113 |
| May | 121 |
| June | 122 |
| July | 124 |
| August | 110 |
| September | 95.1 |
| October | 65.4 |
| November | 45.5 |
| December | 35.5 |
Source: PVGIS v5.2 (European Commission JRC), SARAH3 database, 1 kWp, 14% system loss, 35 degree pitch, due south, checked September 2026.
For scale: 1,011 kWh per kWp in Beaconsfield against 925, our GB average (the mean of our 85 county PVGIS estimates), which puts Beaconsfield 9% above it.
How Beaconsfield compares
Small towns rarely get published solar figures, so here are the numbers for Beaconsfield. It is one of 19 Buckinghamshire towns we track, and it ranks joint 10th of 19 for solar yield, a town of 14,411 people in the House of Commons Library settlement data. PVGIS gives its roofs 1,011 kWh per kWp a year, 2.77 peak sun hours a day averaged across the seasons, and the standard 12 panel model turns that into £906 of year one benefit, £247 of it from your own generation and £659 from export at 12p.
These are starting numbers, not a quote. The calculator below opens on Beaconsfield's own PVGIS figure; change the panels, the battery or the export rate and it reruns. The design call replaces every assumption with your roof and your bills.
Planning applications here go through Buckinghamshire; nationally, the House of Commons Library classes Beaconsfield as a small town.
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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Three details. We call or text within one working day to book your free 30-minute design call, on video or by phone if you prefer.
Generation is modelled from PVGIS satellite data for Beaconsfield's own coordinates (51.61005, -0.64998), using the same 26.32p/kWh import value and £1,000 per kWp installed pricing as every Clearline estimate; the methodology is on our help page.
SSEN and your Beaconsfield connection
On NESO's licence-area map, Beaconsfield is in Southern England, which Scottish and Southern Electricity Networks (SSEN) operates. That makes SSEN the network operator for any system fitted here.
Below 3.68kW per phase of inverter and battery output, the G98 route applies: the installation is notified to SSEN within 28 days of commissioning, with no prior approval.
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.
Adding a heat pump or an EV charger in Beaconsfield
A heat pump in Beaconsfield
Heating demand peaks when solar is weakest. In Beaconsfield, a 12-panel system makes about 230 kWh in December and 250 kWh in January, a fraction of its 790 kWh in July, which is why a heat pump here is costed on its tariff first.
Grant support in England comes from the Boiler Upgrade Scheme: £7,500 for an air source or ground source heat pump, £2,500 for air-to-air, and an extra £1,500 until March 2027 where the home is heated by oil or LPG off the gas grid (gov.uk, checked 28 September 2026).
Charging an EV in Beaconsfield
Beaconsfield's July output, about 790 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).
What the named kit costs, installed
Every system is designed around your roof on the free call before anything is fitted.
Solar panel servicing and repair in Beaconsfield
If a system in Beaconsfield is underperforming, start with the guides below: repair benchmarks, service scope, and the inverter question.
Common questions about solar in Beaconsfield
How much energy would 12 solar panels make in Beaconsfield?
Beaconsfield averages 2.77 peak sun hours a day, which PVGIS turns into 1,011 kWh per kWp a year. On a 12-panel, 6.36 kWp roof that is about 6,430 kWh, 68% of it between April and September.
Is solar more expensive in Beaconsfield?
Prices on this site are the same everywhere: £1,000 per kWp installed, which puts a 12-panel system at £6,360 in Beaconsfield, and a Duracell Dura16 installed with solar at £4,450 on top. The local part is generation, about 6,430 kWh a year here, which is what drives payback.
Who is the network operator in Beaconsfield, and do I need a G99 application?
The operator is Scottish and Southern Electricity Networks (SSEN). Most home systems use the G98 route, a notification within 28 days of switch-on for up to 3.68kW per phase, so nothing waits on the network. Above that, G99 applies and has to be granted first. 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. Your design call checks which route yours needs.
What could I earn from exporting in Beaconsfield?
On the 12p export scenario, a 12-panel system in Beaconsfield sends about 5,493 kWh a year to the grid, worth around £659. The export rates table compares what each supplier pays.
How does solar perform in Beaconsfield in the winter months?
December is the weakest month in Beaconsfield: about 230 kWh from 12 panels, against 790 kWh in July. The panels still generate on bright winter days; they just cover a smaller share of what the house uses.
How Beaconsfield compares with its neighbours
Same satellite dataset, same assumptions, so the differences are real geography rather than modelling noise.
| Town | kWh per kWp a year | vs Beaconsfield |
|---|---|---|
| Beaconsfield | 1,011 | this town |
| Flackwell Heath and Wooburn Green | 1,009 | −2 kWh |
| Hazlemere | 1,011 | level |
| Chalfont St Peter | 1,014 | +3 kWh |
| Gerrards Cross | 1,023 | +12 kWh |
| High Wycombe | 1,012 | +1 kWh |
| Amersham | 1,009 | −2 kWh |
Same PVGIS v5.2 query for every town. Small differences are within year-to-year weather; more than about 30 kWh per kWp apart is geography.
Also for Beaconsfield: Solar panels in Beaconsfield from OVO Solar & Battery
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Further reading for Beaconsfield
Sourced, dated and written by us. The same ground we cover on your free call.
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The two packages we actually price, compared on the numbers that decide it.
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Eight popular UK home chargers on cable, connectivity, warranty and tariff integration.
Read the guide →Heat pump running costs versus a gas boiler, assumptions shown
Four numbers decide it: seasonal efficiency, flow temperature, tariff and heat demand.
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 →MCS, HIES, RECC, NAPIT, TrustMark and Flexi-Orb: which badge does what
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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.