Solar Panels in Horley, Surrey
Horley, Surrey, has a solar yield of 975 kWh/kWp (among the highest in the UK). A 4kWp system generates approximately 3,900 kWh annually, covering 103% of average household electricity use and saving an estimated £1092+ per year. With 0% VAT on installation, a typical 3-4kWp system costs £5,000–£8,000 with payback in 6–8 years.
How productive are solar panels in Horley?
| Solar Metric | Value |
|---|---|
| Solar Yield | 975 kWh/kWp |
| 4kWp System Output | 3,900 kWh/yr |
| Sunshine Hours | 1,600 hrs/yr |
| Est. Annual Savings | £1092+ |
| Household Coverage | 103% of avg use |
Based on county-level solar data for Surrey. Actual output varies by roof orientation, shading, and system specification.
Horley at a Glance
| Area Data | Value |
|---|
Population and housing data: ONS Census 2021.
About Solar Energy in Horley
Horley is a community in Surrey. The area receives around 1,600 sunshine hours annually, allowing a 4kWp solar system to generate approximately 3,900 kWh per year, enough to cover 103% of an average household's electricity needs. Surrey ranks #10 in the UK for solar yield, making Horley an excellent location for solar panels. Solar panels in Horley benefit from 0% VAT on installation, with estimated annual savings of £1092+. Local MCS-certified installers can assess your property and provide a customised quote.
Benefits of Solar Panels in Horley
Save on Electricity Bills
Homeowners in Horley can save an estimated £1092+ 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 Horley benefit from some of the best solar conditions in the country.
25+ Year Lifespan
A system installed in Horley today will generate clean electricity for 25-30 years with minimal maintenance.
0% VAT and Savings for Solar in Horley
Homeowners in Horley, 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.
Solar coverage near Horley
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What Horley homeowners ask about solar
How much do solar panels cost in Horley?
A 3-4kWp system in Horley 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 roof direction is best for solar panels in Horley?
South-facing roofs produce the most electricity (100% of potential). South-east and south-west roofs produce around 95%. East or west-facing roofs still produce 80-85%. North-facing roofs are generally not recommended for solar panels in the UK.
What happens during a power cut?
Standard grid-tied solar systems shut down during a power cut for safety reasons (to protect engineers working on the grid). If you need backup power, you can install a hybrid inverter with battery storage that provides power during outages.
What is the difference between solar PV and solar thermal?
Solar PV panels generate electricity from sunlight. Solar thermal panels heat water directly. For most UK homes, solar PV is the better investment: it's more versatile, benefits from 0% VAT, and you can sell excess electricity via the SEG. Solar thermal only heats water.
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 solar panels increase property value in Horley?
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 Horley is a long-term investment in your property.
How does shading affect solar panels in Horley?
Shading from trees, chimneys, or nearby buildings can reduce output significantly. Modern systems use optimisers or microinverters so that shading on one panel doesn't drag down the whole system. Your installer will assess shading during the site survey.
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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