Practical EV ownership tools

Tools & Calculators

Simple, transparent tools to help you understand EV charging costs and home energy decisions. Use your own rates and figures for a result that reflects your circumstances.

Available tools

Built for real world decisions, with the assumptions shown.

EV ownership

EV Charging Cost Tracker

Log home and public charging sessions, review monthly spend and energy, and export your records. Your log stays in your browser.

Monthly trackingLocal onlyCSV export

Open the charging tracker

Home energy

Home Battery Payback Calculator

Estimate potential savings from shifting electricity between off peak and peak rates, then compare them with an installation quote.

Tariff comparisonPayback estimateEditable assumptions

Estimate battery payback

How to use these estimates: Replace example values with your own tariff rates and quote. Results are indicative and depend on your usage, battery setup and tariff terms.