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Solar panel and battery installers in Devizes
Greg holds the OVO partnership for Thames Valley & Cotswolds, and Devizes sits in their SN 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 Devizes
Greg holds the OVO Solar & Battery partnership for Thames Valley & Cotswolds, and Devizes sits inside their SN 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 Devizes at 1,025 kWh per kWp a year, so a 14 panel (6.3 kWp) system here generates around 6,458 kWh a year.
Yield and peak sun hours are PVGIS estimates for Devizes's own coordinates, not a regional average. Your free design refines them for your actual roof.
Solar installers near Devizes
We also cover Calne, Melksham, Chippenham, Corsham, Marlborough and Royal Wootton Bassett.
See Greg's full Thames Valley & Cotswolds coverage →Get your free quote from Greg
Two minutes. We confirm your video slot within one working day.
Generation figures are PVGIS v5.2 estimates retrieved August 2026 for the coordinates of Devizes, 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.