Tesskat EV Hub

UK Solar + Battery Calculator

Estimate panels, battery size, savings, and benefits based on your household electricity use.

Quick saving check

Answer a few simple questions to see whether solar panels and battery storage could make your EV ownership cheaper. For a full calculation, use the Tesskat EV Hub app.

Your preview result

This result is designed to show the opportunity, not a full system design.

Estimated opportunity

Press calculate

Your result will show a simple annual saving range.

Want the full calculation?

Tesskat EV Hub can use saved vehicle data, EV charging habits, solar assumptions and future planning tools to give a more useful picture than this quick store preview.

Open full Tesskat EV Hub tool

Estimates only. Actual savings depend on your roof, tariff, battery behaviour, installer design, export terms, weather, driving style and charging habits.