Solar Panels Perth: Costs, Savings & Local Data
How much can solar panels save you in Perth?
A typical 4kW solar panel system in Perth generates around 3,520 kWh per year, saving you approximately £510 annually on electricity bills and export payments. With 1,360 hours of sunshine per year, most Perth homeowners see payback within 10–13 years.
Perth receives around 1,360 hours of sunshine each year. A typical 4kW solar panel system here can generate approximately 3,520 kWh annually, providing meaningful savings on your electricity bills and reducing your household's carbon footprint.
Perth receives around 1,360 hours of sunshine per year, sitting at the head of the Tay Estuary in the Scottish Midlands. The Fair City has an attractive housing stock ranging from Georgian properties in the city centre to modern estates in Letham, Muirton, and Scone. Perth's relatively sheltered position in the Tay Valley gives it reasonable solar conditions for Scotland, and the long summer days at this latitude help boost total annual generation from solar panels.
Solar panel key figures for Perth
1,360 hrs
Annual sunshine hours
Met Office / PVGIS regional data
3,520 kWh
Annual generation (4kW)
Based on 880 kWh/kWp yield
£510
Annual savings (4kW)
At 24.5p/kWh + SEG
~13 years
Estimated payback
Based on average 4kW system cost
Solar panel savings by system size in Perth
The table below shows estimated costs, annual savings, and payback periods for different solar panel system sizes in Perth. Figures are based on a south-facing roof with no shading, using Perth's regional solar yield of 880 kWh/kWp.
| System Size | Panels | Cost | Annual Saving | Payback |
|---|---|---|---|---|
| 3 kW | ~8 panels | £4,500–£6,500 | £383 | ~14 years |
| 4 kW | ~10 panels | £5,500–£8,000 | £510 | ~13 years |
| 5 kW | ~13 panels | £6,500–£9,500 | £638 | ~13 years |
Solar energy in Perth: local context
Southern Scotland's longer summer days help compensate for shorter winters, and modern solar panels generate electricity even in overcast conditions. The Scottish Government has historically offered additional support for renewable energy installations.
Homeowners in Perth can also explore support from Home Energy Scotland, in addition to the UK-wide Smart Export Guarantee and 0% VAT on residential solar installations.
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Frequently asked questions about solar panels in Perth
Solar panels in nearby areas
Showing areas near Perth. Solar conditions vary by location.
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