Solar & battery in Launceston: the local numbers

Why Launceston works for solar

Solar in Cornwall grew 30% in two years — among the fastest in Britain. Early movers here are still catching the easy gains: good roofs, falling kit prices, and 0% VAT.

Cornwall Council has made energy-saving upgrades to hundreds of its homes, and the county’s private households are following.

0% VAT applies to panels and batteries UK-wide, and the £7,500 Boiler Upgrade Scheme covers heat pumps if you’re electrifying heating too.

What the sums look like

At the current capped electricity rate of 26.32p/kWh (Ofgem, Oct–Dec 2026), a well-sited 4 kW system in Launceston producing 4,025 kWh a year is worth roughly £470–£790 a year in avoided imports, depending on how much you use as it’s generated — batteries push you toward the top of that range. Export payments add more on top.

Figures verified 18 October 2026. Yields assume an unshaded roof at optimal angle; real roofs vary.

Quick answers

Is solar worth it in Launceston?

Usually, yes. A well-sited 4 kW system here produces about 4,025 kWh a year (PVGIS), worth roughly £470–£790 a year at the current 26.32p/kWh capped rate, before export payments. Payback for most roofs lands in the 5–8 year range against a 25-year panel life.

How many homes in Launceston already have solar?

About 13.9% of households across Cornwall generate their own power — and installs grew 30% between 2023 and 2025 (DESNZ official statistics).

What help is available for solar near Launceston?

0% VAT applies to panels and batteries UK-wide, and the £7,500 Boiler Upgrade Scheme covers heat pumps if you’re electrifying heating too.