Cost a home charger install and its payback against gas.
The installation outlay is compared against the yearly fuel saving switching from gas to home-charged electricity, giving the time to break even. The install cost looks large, but a heavy commuter often recovers it within a few years of fuel savings, making it a rational investment.
EV Home Charger Payback
Payback = install cost / (gas annual - electric annual)
Payback = install cost / (gas annual - electric annual) The installation outlay is compared against the yearly fuel saving switching from gas to home-charged electricity, giving the time to break even.
The install cost looks large, but a heavy commuter often recovers it within a few years of fuel savings, making it a rational investment.
This calculator takes 7 inputs: Charger price, Installation cost, Miles per year, EV efficiency, Electricity rate, Gas car MPG, Gas price. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.