Calculator
Plug-in solar savings calculator
Real PVGIS irradiance for your exact postcode · Live UK grid data · Shareable results link
Your postcode
System size
Placement
Home during the day?
Supplier · Ofgem Q2 2026
24.5p
10p50p/kWh
📍
Enter your postcode to see your estimate
Real PVGIS irradiance — no two postcodes are identical