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Solar panel and battery installers in St Austell
Matt holds the OVO partnership for South West, and St Austell sits in their PL 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 St Austell
Matt holds the OVO Solar & Battery partnership for South West, and St Austell sits inside their PL 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 St Austell at 1,051 kWh per kWp a year, so a 14 panel (6.3 kWp) system here generates around 6,621 kWh a year.
Yield and peak sun hours are PVGIS estimates for St Austell's own coordinates, not a regional average. Your free design refines them for your actual roof.
Get your free quote from Matt
Two minutes. We confirm your video slot within one working day.
Worth reading before your St Austell design call
Straight answers from the OVO Solar and Battery team, sourced and dated.
Cloudy days and north facing roofs, answered honestly
Cloud reduces output, it does not switch it off. North facing depends on pitch more than compass.
Read the guide →Why filling the roof first time is cheaper than adding later
Half covering a roof is the expensive choice. The fixed costs are the whole argument.
Read the guide →A home battery without solar panels, honestly assessed
A battery with no panels still earns every night. Here is how much, and where it does not stack up.
Read the guide →How much a home battery saves, unit by unit
What a battery saves per unit, per night and per year, with the losses taken off.
Read the guide →Off peak tariffs and battery charging, window by window
The cheap windows on offer in August 2026, what they cost, and how much fits into one.
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 →Solar installers near St Austell
We also cover Bodmin, Truro, Newquay, Liskeard, Falmouth and Penryn.
See Matt's full South West coverage →Independent solar guidance for St Austell from Clearline Home Energy
Generation figures are PVGIS v5.2 estimates retrieved August 2026 for the coordinates of St Austell, 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.