Free Home Electrification Calculators

Annual running cost comparison, break-even point, and 10-year net saving vs petrol.

What it actually costs to charge your EV at home - by state, tariff, and usage.

Enter your weekly driving habits and see which EVs suit your real-world needs.

Estimate your annual tax saving from the FBT exemption on a novated lease EV.

Compare total out-of-pocket cost of novated lease vs cash purchase vs car loan - accounts for FBT exemption and pre-tax running costs.

Calculate stamp duty on an EV purchase in your state - and see your saving vs petrol.

How long will it actually take to charge your EV? Battery size, charger power, OBC limit.

How much can you save by switching to a time-of-use tariff for overnight EV charging?

How many km per year can you drive for free using surplus solar generation?

Estimate annual savings, self-consumption rate, and payback by postcode and system size.

Calculate your Small-scale Technology Certificates and the government rebate value.

What size solar system do you need? Accounts for EV charging and battery storage.

How much are you losing by exporting solar at low feed-in rates? See what a battery could recover.

Model the combined payback of solar and battery together - see whether the battery improves or hurts the return versus solar alone.

Payback period, 10-year net saving, and ROI for a home battery - including state rebates.

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

What capacity battery do you need? Based on evening usage, backup goals, and solar size.

Estimate annual Virtual Power Plant income by battery size, state, and program.

How far will your EV go on a given amount of energy? Instant range from kWh and efficiency.

What would your electricity rate cost if it were petrol? See the equivalent price per litre.

How much carbon does driving electric actually save? kg CO₂ avoided vs petrol by state grid.

How many solar panels fit on your roof? Enter m² and get panel count, kW, and annual output.

What does each appliance cost to run in Australia? Fridge, AC, EV charger, pool pump and 25 more.

Off-peak hours by state, TOU rates, and which appliances to shift for maximum savings.

Find the right heat pump size for your household and see how much you could save.

Is upgrading to heat pump hot water worth it? Annual saving vs gas and electric resistive.

Find current EV, battery, solar, and charger rebates available in your state.