Solar Panels in Bedwas, Caerphilly
Bedwas, Caerphilly, has a solar yield of 865 kWh/kWp (ideal conditions for solar energy). A 4kWp system generates approximately 3,460 kWh annually, covering 91% of average household electricity use and saving an estimated £969+ per year. With 0% VAT on installation, a typical 3-4kWp system costs £5,000–£8,000 with payback in 6–8 years.
Bedwas solar irradiance and generation figures
| Solar Metric | Value |
|---|---|
| Solar Yield | 865 kWh/kWp |
| 4kWp System Output | 3,460 kWh/yr |
| Sunshine Hours | 1,380 hrs/yr |
| Est. Annual Savings | £969+ |
| Household Coverage | 91% of avg use |
Based on county-level solar data for Caerphilly. Actual output varies by roof orientation, shading, and system specification.
Bedwas at a Glance
| Area Data | Value |
|---|
Population and housing data: ONS Census 2021.
Renewable Energy Potential in Bedwas
Bedwas is a community in Caerphilly. The area receives around 1,380 sunshine hours annually, allowing a 4kWp solar system to generate approximately 3,460 kWh per year, enough to cover 91% of an average household's electricity needs. With a solar yield of 865 kWh/kWp, homeowners in Bedwas can expect strong returns from a solar installation. Solar panels in Bedwas benefit from 0% VAT on installation, with estimated annual savings of £969+. Local MCS-certified installers can assess your property and provide a customised quote.
Why Go Solar in Bedwas?
Save on Electricity Bills
Homeowners in Bedwas can save an estimated £969+ per year on electricity with a 4kWp solar system generating 3,460 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.
Increase Property Value
Solar panels improve your EPC rating and can add up to 4% to your property value.
25+ Year Lifespan
A system installed in Bedwas today will generate clean electricity for 25-30 years with minimal maintenance.
Solar Panel Costs for Bedwas Residents
Homeowners in Bedwas, Caerphilly 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 Caerphilly
MCS-certified solar panel installers covering Caerphilly.
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Bedwas solar panel questions answered
How much do solar panels cost in Bedwas?
A 3-4kWp system in Bedwas typically costs £5,000-£8,000 with 0% VAT. The system generates approximately 3,460 kWh/year, paying for itself in 6-8 years.
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.
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.
What is an EPC assessment and do I need one?
An Energy Performance Certificate (EPC) assessment rates your home's energy efficiency from A to G. While not required for solar installation, solar panels typically improve your EPC by 1-2 grades, which can increase your property value. An EPC costs around £60-£120.
What happens to my solar panels if I move house in Bedwas?
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.
Do I need a smart meter for solar panels?
You need a smart meter to sell surplus electricity back to the grid under the Smart Export Guarantee (SEG). Your energy supplier will install a smart meter for free. Your installer submits the G98/G99 application to your DNO after installation.
How much electricity will solar panels generate in Bedwas?
Based on Caerphilly data, a 4kWp system in Bedwas generates approximately 3,460 kWh per year, covering 91% of average household use (3,800 kWh/year). Caerphilly receives around 1,380 sunshine hours annually.
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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