Solar panels in Swindon
£3,631 to £11,425 installed, 1,448 hours of sun a year, and 6,490 installations already in the council area.
What a system costs in Swindon
3kWp
£3,631–£4,857
Saves up to £373 a year. Pays back in about 11 years.
4kWp (most common)
£5,794–£7,326
Saves up to £580 a year. Pays back in about 11 years.
6kWp
£8,461–£11,425
Saves up to £853 a year. Pays back in about 12 years.
Source: Home Energy Quotes Cost Index, costs modelled June 2026, savings at the October to December 2026 price cap. Prices are estimates and include installation and VAT. Actual costs may vary.
Swindon in numbers
Published statistics for the Swindon council area, not our estimates.
At the end of 2025 there were 6,490 solar PV installations in the Swindon council area, about 67.7 for every 1,000 households, with 207.9 MW of capacity between them. The count covers every size of installation, on homes and businesses. 39% of homes with an EPC in the Swindon council area are rated D to G, and the median energy score is 71, which is band C.
| Swindon council area | Figure | Source |
|---|---|---|
| Solar PV installations (all sizes) | 6,490 (67.7 per 1,000 households) | DESNZ, end of 2025 |
| Homes with an EPC rated D to G | 39% | ONS, EPCs lodged to March 2025 |
| Median EPC energy score | 71 (band C) | ONS, EPCs lodged to March 2025 |
| Households on mains gas heating only | 78.6% | Census 2021, ONS |
| Warm Homes: Local Grant, 2025 to 2028 | Not on the council list | DESNZ, list updated July 2026 |
| Electricity network operator | SSEN Distribution (Southern England) | NESO licence area boundaries |
Swindon is served by SSEN Distribution, the electricity network operator for Southern England. Solar panels have to be registered with the network operator. Your installer normally does this: smaller systems are notified after installation, and larger ones need approval before work starts.
These are published official statistics for the Swindon council area, which covers Swindon, not Home Energy Quotes estimates. Sources checked 6 October 2026.
Is Swindon a good place for solar panels?
Swindon receives an average of 1448 hours of sunshine per year — close to the UK average of 1,493 hours. Combined with South West’s energy prices tracking the UK average, solar panels installations here may offer good value (individual results will vary).
Swindon has a population of 183,680, and the area falls within the South West region. We recommend getting at least 3 quotes to compare prices.
Find Installers in Swindon
We recommend getting at least 3 quotes from qualified installers before making a decision. Check reviews, ask for local references, and make sure warranties are clearly stated in writing.
What to check before hiring an installer in Swindon
- Qualifications — check the installer holds relevant qualifications and certifications for solar panels before signing any contract
- Local references — ask for completed jobs in Swindon or Wiltshire
- Reviews — check online reviews before committing
- Warranty — product and workmanship warranties should be clearly stated in writing
- 3 quotes minimum — we recommend comparing at least three quotes to ensure you get a fair price
Questions about solar panels in Swindon
How much do solar panels cost in Swindon?
How many solar panel installations are there in Swindon?
Is there a grant for solar panels in Swindon?
Solar panels in Swindon qualify for 0% VAT until March 2027. In Great Britain, the Smart Export Guarantee pays for surplus electricity you export to the grid, at a rate each supplier sets.
How long is the payback period in Swindon?
Do I need planning permission in Swindon?
How do I find a good installer in Swindon?
Get quotes for your roof in Swindon
Up to three approved installers who cover Swindon may contact you. Free, no obligation.
Swindon on the map
Solar Panels in nearby towns
Last reviewed: . Costs are modelled estimates from the Home Energy Quotes Cost Index — see how we calculate them. Grant rates are checked against GOV.UK.