Solar Panels Haverfordwest: Costs, Savings & Local Data
How much can solar panels save you in Haverfordwest?
A typical 4kW solar panel system in Haverfordwest generates around 3,960 kWh per year, saving you approximately £610 annually on electricity bills and export payments. With 1,560 hours of sunshine per year, most Haverfordwest homeowners see payback within 10–13 years.
A typical 4kW solar system in Haverfordwest can save you around £610 per year on electricity bills, with a payback period that makes it a strong long-term financial investment. Combined with the Smart Export Guarantee and 0% VAT, the financial case for solar in Haverfordwest is compelling.
Haverfordwest receives around 1,560 hours of sunshine per year. The Pembrokeshire county town benefits from its coastal south-west Wales location. Many surrounding properties are off-gas.
Solar panel key figures for Haverfordwest
1,560 hrs
Annual sunshine hours
HSG regional figure — no primary source recorded
3,960 kWh
Annual generation (4kW)
Based on 990 kWh/kWp yield
£610
Annual savings (4kW)
At 26.32p/kWh + SEG
~12 years
Estimated payback
£7,120 national DESNZ median, not a Haverfordwest price
Solar panel output and savings by system size in Haverfordwest
Generation and savings below are modelled for Haverfordwest's location, using a regional solar yield of 990 kWh/kWp on a south-facing roof with no shading.
The installed cost column is a national figure, not a Haverfordwest 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 | £458 | ~12 years |
| 4 kW | ~10 panels | £7,120 | £610 | ~12 years |
| 5 kW | ~13 panels | £8,480 | £763 | ~11 years |
Solar energy in Haverfordwest: local context
Wales benefits from the Welsh Government's active support for renewable energy. The varied landscape means solar performance differs between the sunnier south coast and the hillier inland areas, but most Welsh homes can benefit from solar.
Welsh homeowners may benefit from additional support through the Welsh Government's energy schemes, alongside the UK-wide Smart Export Guarantee and 0% VAT.
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Frequently asked questions about solar panels in Haverfordwest
Solar panels in nearby areas
Showing areas near Haverfordwest. Solar conditions vary by location.
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