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Solar Panels Farnham: Costs, Savings & Local Data

How much can solar panels save you in Farnham?

A typical 4kW solar panel system in Farnham generates around 4,080 kWh per year, saving you approximately £629 annually on electricity bills and export payments. With 1,600 hours of sunshine per year, most Farnham homeowners see payback within 10–13 years.

Farnham receives around 1,600 hours of sunshine each year. A typical 4kW solar panel system here can generate approximately 4,080 kWh annually, providing meaningful savings on your electricity bills and reducing your household's carbon footprint.

Farnham receives around 1,600 hours of sunshine per year. This attractive Surrey/Hampshire border town has a beautiful mix of Georgian properties and modern residential areas. The surrounding villages in the Surrey Hills AONB have large detached properties ideal for solar.

Solar panel key figures for Farnham

1,600 hrs

Annual sunshine hours

HSG regional figure — no primary source recorded

4,080 kWh

Annual generation (4kW)

Based on 1020 kWh/kWp yield

£629

Annual savings (4kW)

At 26.32p/kWh + SEG

~11 years

Estimated payback

£7,120 national DESNZ median, not a Farnham price

Solar panel output and savings by system size in Farnham

Generation and savings below are modelled for Farnham's location, using a regional solar yield of 1020 kWh/kWp on a south-facing roof with no shading.

The installed cost column is a national figure, not a Farnham price. It is the DESNZ median of £1,780.25 per kW for systems up to 4 kW, derived from the MCS Installation Database and covering England, Scotland and Wales. No official dataset publishes installed costs at city level, and we will not imply one exists. Half of real installations cost more than the median.

Farnham generation modelled at 1020 kWh/kWp regional yield. Cost is the NATIONAL DESNZ 2025/26 median, not a Farnham price. Electricity 26.32p/kWh, export 4.5p/kWh. 0% VAT.
System SizePanelsCostAnnual SavingPayback
3 kW~8 panels£5,340£472~11 years
4 kW~10 panels£7,120£629~11 years
5 kW~13 panels£8,480£786~11 years

Solar energy in Farnham: local context

Farnham offers reasonable conditions for residential solar panel installations, with most properties having suitable roof space for a 3-5kW system.

Farnham homeowners benefit from 0% VAT on residential solar installations (until at least March 2027) and can earn income through the Smart Export Guarantee by selling surplus electricity back to the grid.

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Frequently asked questions about solar panels in Farnham

Solar panels in nearby areas

Showing areas near Farnham. Solar conditions vary by location.

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