Solar Panels in Eastleigh, Hampshire
Eastleigh is one of the larger towns in Hampshire with a population of 53,900. With a solar yield of 992 kWh/kWp and 1,660+ sunshine hours per year, solar energy is a strong investment for homeowners here. A typical 4kWp system generates approximately 3,968 kWh annually, covering 104% 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.
What is the solar potential in Eastleigh?
| Solar Metric | Value |
|---|---|
| Solar Yield | 992 kWh/kWp |
| 4kWp System Output | 3,968 kWh/yr |
| Sunshine Hours | 1,660 hrs/yr |
| Est. Annual Savings | £1111+ |
| Household Coverage | 104% of avg use |
Solar yield calculated for Eastleigh (50.97°N, 1.35°W) using PVGIS satellite data. Actual output varies by roof orientation, shading, and system specification.
Eastleigh at a Glance
| Area Data | Value |
|---|---|
| Population | 53,900 (Census 2021) |
| Elevation | 20 metres |
| Postcode Area | SO50 |
| Location | Inland |
| Coordinates | 50.9700°N, 1.3500°W |
Population and housing data: ONS Census 2021.
Solar Power in Eastleigh, Hampshire
Eastleigh is a large town in Hampshire with a population of 53,900 (ONS Census 2021). The postcode area for Eastleigh is SO50. 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 3,968 kWh per year (992 kWh/kWp). Hampshire ranks #8 in the UK for solar yield, making Eastleigh an excellent location for solar panels.
Advantages of Solar Energy for Eastleigh Homeowners
Save on Electricity Bills
Homeowners in Eastleigh can save an estimated £1111+ per year on electricity with a 4kWp solar system generating 3,960 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
Hampshire ranks #8 in the UK for solar yield with 990 kWh/kWp. Homes in Eastleigh benefit from some of the best solar conditions in the country.
25+ Year Lifespan
A system installed in Eastleigh today will generate clean electricity for 25-30 years with minimal maintenance.
Solar costs and savings in Eastleigh
Homeowners in Eastleigh, Hampshire 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 Hampshire
MCS-certified solar panel installers covering Hampshire.
Areas around Eastleigh we serve
Also serving nearby areas in Hampshire:
Find Solar Installers in Hampshire
Browse MCS-certified installers covering Eastleigh and all of Hampshire.
Your solar questions for Eastleigh
How much do solar panels cost in Eastleigh?
A 3-4kWp system in Eastleigh typically costs £5,000-£8,000 with 0% VAT. The system generates approximately 3,960 kWh/year, paying for itself in 6-8 years.
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.
What happens to my solar panels if I move house in Eastleigh?
Solar panels stay with the property as a permanent fixture. They add value to your home for the next buyer. Your installer can transfer monitoring accounts to the new owner.
Can I add a battery to my solar system?
Yes. A home battery (typically 5-10 kWh) stores excess solar electricity for evening use. This increases your self-consumption from around 30-40% to 60-80%. Batteries currently cost £3,000-£6,000 and also benefit from 0% VAT.
How much electricity will solar panels generate in Eastleigh?
Based on Hampshire data, a 4kWp system in Eastleigh generates approximately 3,960 kWh per year, covering 104% of average household use (3,800 kWh/year). Hampshire receives around 1,660 sunshine hours annually.
What size solar system do I need for my home in Eastleigh?
Most homes in Eastleigh benefit from a 3-6 kWp system. A 4kWp system (10 panels) covers 104% of average household electricity use. Your installer will assess your roof space, orientation, and energy usage to recommend the optimal size.
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
Get a Free Solar Quote in Eastleigh
Connect with MCS-certified installers covering Eastleigh,Hampshire.