Solar panels in Truro
£3,770 to £11,620 installed, 1,693 hours of sun a year, and 34,740 installations already in the council area.
What a system costs in Truro
3kWp
£3,770–£5,190
Saves up to £370 a year. Pays back in about 12 years.
4kWp (most common)
£5,590–£7,910
Saves up to £638 a year. Pays back in about 11 years.
6kWp
£8,190–£11,620
Saves up to £944 a year. Pays back in about 10 years.
Source: Home Energy Quotes Cost Index, costs modelled March 2026, savings at the October to December 2026 price cap. Prices are estimates and include installation and VAT. Actual costs may vary.
Truro in numbers
Published statistics for the Cornwall council area, not our estimates.
At the end of 2025 there were 34,740 solar PV installations in the Cornwall council area, about 138.7 for every 1,000 households, with 683 MW of capacity between them. The count covers every size of installation, on homes and businesses. 54% of homes with an EPC in the Cornwall council area are rated D to G, and the median energy score is 67, which is band D.
| Cornwall council area | Figure | Source |
|---|---|---|
| Solar PV installations (all sizes) | 34,740 (138.7 per 1,000 households) | DESNZ, end of 2025 |
| Homes with an EPC rated D to G | 54% | ONS, EPCs lodged to March 2025 |
| Median EPC energy score | 67 (band D) | ONS, EPCs lodged to March 2025 |
| Households on mains gas heating only | 46.7% | Census 2021, ONS |
| Warm Homes: Local Grant, 2025 to 2028 | £3,383,632 to the consortium led by Cornwall | DESNZ, list updated July 2026 |
| Electricity network operator | National Grid Electricity Distribution (South West England) | NESO licence area boundaries |
Truro is served by National Grid Electricity Distribution, the electricity network operator for South West 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 Cornwall council area, which covers Truro, not Home Energy Quotes estimates. Sources checked 6 October 2026.
Is Truro a good place for solar panels?
Truro receives an average of 1693 hours of sunshine per year — slightly above 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).
Truro has a population of 23,000, and the area falls within the South West region. We recommend getting at least 3 quotes to compare prices.
Find Installers in Truro
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 Truro
- Qualifications — check the installer holds relevant qualifications and certifications for solar panels before signing any contract
- Local references — ask for completed jobs in Truro or Cornwall
- 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 Truro
How much do solar panels cost in Truro?
How many solar panel installations are there in Truro?
Is there a grant for solar panels in Truro?
Solar panels in Truro 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 Truro?
Do I need planning permission in Truro?
How do I find a good installer in Truro?
Get quotes for your roof in Truro
Up to three approved installers who cover Truro may contact you. Free, no obligation.
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.