Solar Panels Bath: Costs, Savings & Local Data
How much can solar panels save you in Bath?
A typical 4kW solar panel system in Bath generates around 4,320 kWh per year, saving you approximately £661 annually on electricity bills and export payments. With 1,570 hours of sunshine per year, most Bath homeowners see payback within 10–13 years.
Bath receives around 1,570 hours of sunshine each year. A typical 4kW solar panel system here can generate approximately 4,320 kWh annually, providing meaningful savings on your electricity bills and reducing your household's carbon footprint.
Bath receives around 1,570 hours of sunshine per year, benefiting from its South West location in the Avon valley. As a UNESCO World Heritage city, Bath has extensive conservation areas around the Georgian centre, but the residential suburbs in Oldfield Park, Twerton, and Bathampton offer excellent opportunities for solar installations. The city's hilly terrain can actually benefit solar panels, with south-facing slopes gaining extra sun exposure.
Solar panel key figures for Bath
1,570 hrs
Annual sunshine hours
HSG regional figure — no primary source recorded
3,963–4,247 kWh
Annual generation (4kW)
PVGIS BA postcode area, 1026 kWh/kWp ±3%
£584
Annual savings (4kW)
At 26.11p/kWh + SEG
12.2 years
Estimated payback
£7,120 national DESNZ median, not a Bath price
Solar panel output and savings by system size in Bath
Generation and savings below are modelled for Bath's location, using a regional solar yield of 1026 kWh/kWp on a south-facing roof with no shading.
The installed cost column is a national figure, not a Bath price. It is the DESNZ median of £1,780.25 per kW for systems up to 4 kW, derived from the MCS Installation Database and covering England, Scotland and Wales. No official dataset publishes installed costs at city level, and we will not imply one exists. Half of real installations cost more than the median.
| System Size | Panels | Cost | Annual Saving | Payback |
|---|---|---|---|---|
| 3 kW | ~8 panels | £5,340 | £471 | ~11 years |
| 4 kW | ~10 panels | £7,120 | £628 | ~11 years |
| 5 kW | ~13 panels | £8,480 | £785 | ~11 years |
Solar energy in Bath: local context
The South West has the best solar conditions in the UK, with above-average sunshine hours and mild winters. This region consistently delivers the highest per-panel generation figures in England.
Bath homeowners benefit from 0% VAT on residential solar installations (until at least March 2027) and can earn income through the Smart Export Guarantee by selling surplus electricity back to the grid.
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Frequently asked questions about solar panels in Bath
Solar panels in nearby areas
Showing areas near Bath. Solar conditions vary by location.
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Connect with trusted local installers and get accurate pricing for your home.
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