Free Renewable Energy Calculators

Interactive calculators to help Australian households make smarter decisions about EVs and home battery storage. No sign-up, no ads.

Electric Vehicles

EV Charging Cost Calculator

Calculate your annual electricity cost for charging an EV at home and compare it to petrol.

Electric Vehicles

See full running cost savings vs petrol, including break-even point and 10-year net saving.

Home Batteries

Estimate how many kWh of grid electricity your home battery will save each year.

Home Batteries

Calculate the payback period, 10-year net saving and ROI for a home battery system.