free tools · in Bills & Power

Count the machines. Find the first switch.

Vehicles, heat, hot water and rooftop solar: see what switching each one to electric could save, and how long it takes to pay back. Every result is labelled Estimate.

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Fuel to electrons
Compares what you spend on fuel today with the cost of running an EV or heat pump.
Your premises
Lease length and whether the roof suits solar change the order of the switches.
Solar, if it adds up
A rooftop size estimate appears only when the numbers make sense.

route board · sme calculator

Your Machine Count.

Count the fossil machines in your business. The result ranks the switches by savings and payback.

Choose your route

All four routes use Rewiring Aotearoa's Machine Count frame. The questions are tuned for each context.

BusinessSME switch sequenceHouseholdHome energy pathLandlordRental property routeNew buildDo not connect gas

What does your business do?*

Which region are you based in?*

Average monthly fuel spend*Petrol, diesel, LPG, gas. Best guess.

Monthly electricity spend*Power bill total.

Which fuels?*Tick all that apply.

How many vehicles?*

What kind of vehicles?

Where are your premises?*

Is the rooftop suitable for solar?*