Solar Panels in Epsom, Surrey
Epsom is one of the larger towns in Surrey with a population of 35,000. With a solar yield of 977 kWh/kWp and 1,600+ sunshine hours per year, solar energy is a strong investment for homeowners here. A typical 4kWp system generates approximately 3,908 kWh annually, covering 103% of average household electricity use. With 0% VAT on installation, the typical cost is £5,000–£8,000 for a 3-4kWp system with payback in 6–8 years.
Epsom solar yield and performance data
| Solar Metric | Value |
|---|---|
| Solar Yield | 977 kWh/kWp |
| 4kWp System Output | 3,908 kWh/yr |
| Sunshine Hours | 1,600 hrs/yr |
| Est. Annual Savings | £1094+ |
| Household Coverage | 103% of avg use |
Solar yield calculated for Epsom (51.34°N, 0.27°W) using PVGIS satellite data. Actual output varies by roof orientation, shading, and system specification.
Epsom at a Glance
| Area Data | Value |
|---|---|
| Population | 35,000 (Census 2021) |
| Elevation | 60 metres |
| Postcode Area | KT18 |
| Location | Inland |
| Coordinates | 51.3360°N, 0.2680°W |
Population and housing data: ONS Census 2021.
Going Solar in Epsom
Epsom is a large town in Surrey with a population of 35,000 (ONS Census 2021). The postcode area for Epsom is KT18. You'll need your full postcode when getting quotes from MCS-certified installers. Based on satellite data for this location, a 4kWp solar system generates approximately 3,908 kWh per year (977 kWh/kWp). Surrey ranks #10 in the UK for solar yield, making Epsom an excellent location for solar panels.
Solar panel benefits in Epsom, Surrey
Save on Electricity Bills
Homeowners in Epsom can save an estimated £1094+ per year on electricity with a 4kWp solar system generating 3,900 kWh annually.
0% VAT on Installation
Residential solar panel installations are zero-rated for VAT in the UK, saving you hundreds of pounds on a typical system.
MCS Certified Quality
All installations use MCS-certified installers, ensuring high standards and eligibility for the Smart Export Guarantee (SEG).
Earn from Excess Energy
Sell surplus electricity at 3-15p/kWh through the Smart Export Guarantee (SEG). Your energy supplier pays you for every unit exported to the grid.
Top Solar Area in the UK
Surrey ranks #10 in the UK for solar yield with 975 kWh/kWp. Homes in Epsom benefit from some of the best solar conditions in the country.
25+ Year Lifespan
A system installed in Epsom today will generate clean electricity for 25-30 years with minimal maintenance.
Epsom solar panel cost breakdown
Homeowners in Epsom, Surrey benefit from 0% VAT on solar panel installations. Typical system costs for 2026:
| System Size | Typical Cost (incl. 0% VAT) | Est. Payback |
|---|---|---|
| 2 kWp | £3,000 - £4,500 | 7-8 years |
| 3-4 kWp | £5,000 - £8,000 | 6-8 years |
| 5-6 kWp | £7,000 - £10,000 | 6-7 years |
Solar Installers in Surrey
MCS-certified solar panel installers covering Surrey.
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Solar Panel FAQs for Epsom
How much do solar panels cost in Epsom?
A 3-4kWp system in Epsom typically costs £5,000-£8,000 with 0% VAT. The system generates approximately 3,900 kWh/year, paying for itself in 6-8 years.
What is the payback period for solar panels in Epsom?
With a cost of £5,000-£8,000 (0% VAT) and savings of £1094+ per year plus SEG export income, a typical solar system in Epsom pays for itself in 6-8 years. After payback, you get 20+ years of near-free electricity.
How much electricity will solar panels generate in Epsom?
Based on Surrey data, a 4kWp system in Epsom generates approximately 3,900 kWh per year, covering 103% of average household use (3,800 kWh/year). Surrey receives around 1,600 sunshine hours annually.
Can I sell excess solar electricity?
Yes. Under the UK's Smart Export Guarantee (SEG), you can sell surplus electricity at 3-15p/kWh. You need a smart meter and an MCS-certified installation. Your energy supplier pays you for every unit exported to the grid.
Do I need to clean my solar panels?
In most cases, rain keeps solar panels clean enough in the UK. If your panels are near trees or at a low angle, an annual clean may improve output by 2-5%. Never use abrasive materials. A soft brush and water is sufficient.
What is the Smart Export Guarantee (SEG)?
The Smart Export Guarantee (SEG) requires licensed energy suppliers to offer a tariff to small-scale generators for electricity exported to the grid. Rates are typically 3-15p/kWh. You need a smart meter and an MCS-certified installation to be eligible.
Do solar panels increase property value in Epsom?
Yes. Solar panels improve your EPC rating and can increase property value by up to 4%. Buyers increasingly look for energy-efficient homes with lower running costs. A solar system in Epsom is a long-term investment in your property.
Sources
- MCS — Microgeneration Certification Scheme
- MCS — Find a Certified Installer
- Ofgem — Smart Export Guarantee (SEG)
- PVGIS — EU Joint Research Centre (solar irradiance data)
- ONS — Census 2021
- Met Office — Climate Data
Last updated: March 2026
Fact-checked by John Rooney, Solar Energy Editor. Editorial policy
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