Solar ROI Calculator for UK
Is solar worth it for your UK home?
Free solar panel ROI calculator using Ofgem electricity rates, SEG export payments, and local install costs. No sign-up required.
Calculate your solar ROI5
Regions covered
8-9 years
Avg payback
£1.35-1.45/W
Solar cost
How it works
1
Select your region
Choose your UK state or region to load local electricity rates and solar data.
2
Enter your monthly bill
Tell us your average monthly electric bill to estimate your system size.
3
Get your estimate
See your solar payback period, net savings, and return on investment instantly.
Ready to check your solar savings?
Our calculator uses real UK energy data — Ofgem price cap rates and PVGIS sun hours. Get an estimate in under a minute.
Start your UK solar estimate