Solar panels in Barry
£3,251 to £10,228 installed, 1,448 hours of sun a year, and 4,474 installations already in the council area.
What a system costs in Barry
3kWp
£3,251–£4,348
Saves up to £373 a year. Pays back in about 10 years.
4kWp (most common)
£5,186–£6,558
Saves up to £580 a year. Pays back in about 10 years.
6kWp
£7,574–£10,228
Saves up to £853 a year. Pays back in about 10 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.
Barry in numbers
Published statistics for the Vale of Glamorgan council area, not our estimates.
At the end of 2025 there were 4,474 solar PV installations in the Vale of Glamorgan council area, about 77.9 for every 1,000 households, with 93.6 MW of capacity between them. The count covers every size of installation, on homes and businesses. 42% of homes with an EPC in the Vale of Glamorgan council area are rated D to G, and the median energy score is 70, which is band C.
| Vale of Glamorgan council area | Figure | Source |
|---|---|---|
| Solar PV installations (all sizes) | 4,474 (77.9 per 1,000 households) | DESNZ, end of 2025 |
| Homes with an EPC rated D to G | 42% | ONS, EPCs lodged to March 2025 |
| Median EPC energy score | 70 (band C) | ONS, EPCs lodged to March 2025 |
| Households on mains gas heating only | 79.9% | Census 2021, ONS |
| Electricity network operator | National Grid Electricity Distribution (South Wales) | NESO licence area boundaries |
Barry is served by National Grid Electricity Distribution, the electricity network operator for South Wales. 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 Vale of Glamorgan council area, which covers Barry, not Home Energy Quotes estimates. Sources checked 6 October 2026.
Is Barry a good place for solar panels?
Barry receives an average of 1448 hours of sunshine per year — close to the UK average of 1,493 hours. Combined with Wales’s energy prices tracking the UK average, solar panels installations here may offer good value (individual results will vary).
Barry has a population of 56,605, and the area falls within the Wales region. We recommend getting at least 3 quotes to compare prices.
Find Installers in Barry
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 Barry
- Qualifications — check the installer holds relevant qualifications and certifications for solar panels before signing any contract
- Local references — ask for completed jobs in Barry or Vale of Glamorgan
- 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 Barry
How much do solar panels cost in Barry?
How many solar panel installations are there in Barry?
Is there a grant for solar panels in Barry?
Solar panels in Barry 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 Barry?
Do I need planning permission in Barry?
How do I find a good installer in Barry?
Get quotes for your roof in Barry
Up to three approved installers who cover Barry may contact you. Free, no obligation.
Barry 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.