Solar panels in Gerrards Cross, priced before anyone visits.
Twelve panels (6.36 kWp) here make about 6,510 kWh a year for £6,360 installed, designed around your roof on a free 30-minute video call.
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- Free 30-minute video design call
- Priced before anyone visits
- Installed by our MCS-certified, fully insured teams
How much a Gerrards Cross roof makes, month by month
From 36.3 kWh per kWp in December to 125.1 in July: a roof in Gerrards Cross makes 3.4 times as much in its best month as in its darkest, and 1,023 kWh per kWp across the year.
Generation per kWp, month by month
Show the monthly figures
| Month | kWh/kWp |
|---|---|
| January | 40 |
| February | 53.2 |
| March | 88.1 |
| April | 115 |
| May | 123 |
| June | 123 |
| July | 125 |
| August | 111 |
| September | 96.1 |
| October | 66.7 |
| November | 46.1 |
| December | 36.3 |
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: Gerrards Cross makes 1,023 kWh per kWp a year, and the mean of our 85 county PVGIS estimates (our GB average) is 925, so Gerrards Cross is 11% above it.
How Gerrards Cross compares
Small towns rarely get published solar figures, so here are the numbers for Gerrards Cross. It is one of 19 Buckinghamshire towns we track, and it ranks 4th of 19 for solar yield, a town of 8,351 people in the House of Commons Library settlement data. PVGIS gives its roofs 1,023 kWh per kWp a year, 2.80 peak sun hours a day averaged across the seasons, and the standard 12 panel model turns that into £915 of year one benefit, £247 of it from your own generation and £668 from export at 12p.
These are starting numbers, not a quote. The calculator below opens on Gerrards Cross' 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.
Any planning application in Gerrards Cross sits with Buckinghamshire, and its official House of Commons Library settlement class is 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.
Price this for your roof
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 Gerrards Cross' own coordinates (51.5805, -0.55767), 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 Gerrards Cross connection
The distribution network operator (DNO) for Gerrards Cross is Scottish and Southern Electricity Networks (SSEN), which runs the Southern England licence area.
G98 is the simple route. If the inverter, plus any battery, stays at or under 3.68kW per phase, SSEN only has to be told within 28 days after the system is commissioned.
Larger systems go through G99 instead, applied for before installation. On timing: 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 Gerrards Cross
A heat pump in Gerrards Cross
In December, the darkest month here, 12 panels in Gerrards Cross make about 230 kWh. That is when a heat pump runs hardest, so its running cost in Gerrards Cross comes down to the tariff and the flow temperature rather than the roof.
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 Gerrards Cross
Summer is where a car earns its place. In July, 12 panels in Gerrards Cross make about 800 kWh, against roughly 70 kWh a typical home uses in daylight that month on our calculator's typical-use settings, so there is surplus a smart charger can put into the car instead of exporting it.
If you rent, or own a flat, and have private off-street parking, the government chargepoint grant covers 75% of the cost, capped at £500 a socket, until 31 March 2027 (gov.uk, checked 28 September 2026). The calculator above prices a 7.4kW smart charger from £1,100 installed.
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 Gerrards Cross
If a system in Gerrards Cross is underperforming, start with the guides below: repair benchmarks, service scope, and the inverter question.
Common questions about solar in Gerrards Cross
How much energy would 12 solar panels make in Gerrards Cross?
Gerrards Cross averages 2.80 peak sun hours a day, which PVGIS turns into 1,023 kWh per kWp a year. On a 12-panel, 6.36 kWp roof that is about 6,510 kWh, 68% of it between April and September.
What does a typical solar system cost in Gerrards Cross?
Solar is priced at £1,000 per kWp installed wherever you live, so a 12-panel, 6.36 kWp system costs £6,360 in Gerrards Cross, exactly as it would anywhere else, before any battery. Location changes what the system makes, not what it costs: here that is about 6,510 kWh a year. The final figure comes from your roof on the design call.
Who is the network operator in Gerrards Cross, 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 happens to the solar I do not use in Gerrards Cross?
Around £668 a year at 12p per kWh, for the roughly 5,570 kWh a 12-panel system in Gerrards Cross exports with typical use. Rates vary by supplier and some need their own tariff; the export rates table is dated and sourced.
How does solar perform in Gerrards Cross in the winter months?
December is the weakest month in Gerrards Cross: about 230 kWh from 12 panels, against 800 kWh in July. The panels still generate on bright winter days; they just cover a smaller share of what the house uses.
How Gerrards Cross compares with its neighbours
The six closest towns we publish, run through the identical PVGIS query as Gerrards Cross.
| Town | kWh per kWp a year | vs Gerrards Cross |
|---|---|---|
| Gerrards Cross | 1,023 | this town |
| Chalfont St Peter | 1,014 | −9 kWh |
| Beaconsfield | 1,011 | −12 kWh |
| Slough | 1,028 | +5 kWh |
| Chorleywood | 1,011 | −12 kWh |
| Rickmansworth | 1,019 | −4 kWh |
| Hillingdon | 1,034 | +11 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 Gerrards Cross: Solar panels in Gerrards Cross from OVO Solar & Battery
Also near Gerrards Cross
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.
Guides worth reading before your call
Sourced, dated and written by us. The same ground we cover on your free call.
Solar installation day: exactly what happens, hour by hour
The week before, the day itself hour by hour, and the paperwork that follows.
Read the guide →Whole home backup or partial backup? The runtime arithmetic
Whole home backup sounds obvious until you do the runtime maths. Here is how to choose the right tier.
Read the guide →What an EV charger installation actually involves
Main fuse, DNO notification, load balancing and the paperwork. What really happens.
Read the guide →The Boiler Upgrade Scheme, explained
A fixed amount, claimed on your behalf by our installation teams, with a real deadline on the £9,000 version.
Read the guide →Will energy prices keep rising, and by how much
The January forecasts jumped fast. What is confirmed, what is guessed, and whether solar is a real hedge.
Read the guide →HIES explained: what the badge actually protects, and when
What HIES protects: deposits up to 25 percent capped at 5,000 pounds, and your workmanship guarantee.
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.