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Solar panel and battery installers in Haverfordwest
Keiron holds the OVO partnership for South Wales, and Haverfordwest sits in their SA postcode patch. Book a free 45 minute video design and you get your roof layout, your numbers and a written quote, with nobody setting foot in your home.
What solar actually does in Haverfordwest
Keiron holds the OVO Solar & Battery partnership for South Wales, and Haverfordwest sits inside their SA postcode patch. You deal with a named local expert, the design happens on a free 45 minute video call, and nobody visits your home until you have decided to go ahead. PVGIS puts Haverfordwest at 1,023 kWh per kWp a year, so a 14 panel (6.3 kWp) system here generates around 6,445 kWh a year.
Yield and peak sun hours are PVGIS estimates for Haverfordwest's own coordinates, not a regional average. Your free design refines them for your actual roof.
Get your free quote from Keiron
Two minutes. We confirm your video slot within one working day.
Worth reading before your Haverfordwest design call
Straight answers from the OVO Solar and Battery team, sourced and dated.
What solar costs in 2026, and what drives the price
Real 2026 prices, where every pound goes, and why small systems cost most per kWp.
Read the guide →What happens on your free 45 minute design call
Roof on screen, usage talked through, written quote before you hang up. No home visit.
Read the guide →Adding a battery to solar you already have
Your panels stay untouched. The grid application is the part that catches people out.
Read the guide →What a gateway does, and when whole home backup is worth it
A full battery is no use in a power cut without a gateway. Here is what one does.
Read the guide →What to check before switching supplier when you have solar
Four checks before you switch: your export condition, your MCS pack, your meter and any Feed-in Tariff.
Read the guide →Why your tariff moves payback more than your kit does
Same install, three export rates, seven years of difference in payback.
Read the guide →Solar installers near Haverfordwest
We also cover Milford Haven, Pembroke Dock, Pembroke, Carmarthen, Llanelli and Gorseinon.
See Keiron's full South Wales coverage →Independent solar guidance for Haverfordwest from Clearline Home Energy
Generation figures are PVGIS v5.2 estimates retrieved August 2026 for the coordinates of Haverfordwest, assuming a south-facing roof at a 35 degree pitch with no significant shading, the same assumptions as the regional figures on this site. Population is the House of Commons Library settlement classification figure. Your free design accounts for your actual orientation, pitch and shading.