Skip to content
Independent analysis · Transparent assumptions

Know the cost before you commit.

EV ownership, solar payback, and charging economics — source-backed data and plain-language verdicts.

Local ratesOwnership costPayback
Field estimate
EV vs gas baseline
US average
Model Y vs RAV4 / 12k mi/yrEVGas
Fuel per year$538$1,360
Maintenance per year$600$1,100
Annual delta
Estimated annual savings
+$1,322
5-year savings
+$6,610
Break-even
~5.6 yrs
Rates: 16¢/kWhGas: $3.40/galInputs shown in full tool
Choose your question

Start where the decision is.

Best first tool
Should I buy an EV?
Run the flagship calculator with local rates, driving mix, incentives, and a plain-language verdict.
Operating or buying view
Best if you know your ZIP and annual miles.
Open this path
Homeowner path
Is solar worth it here?
Estimate payback, 25-year savings, and incentive effects without pretending every roof is identical.
Payback and lifetime savings
Best if you know monthly kWh and roof constraints.
Open this path
Decision support
Which option is smarter overall?
Use the compare flow when you need purchase price, annual cost, and long-term ownership separated cleanly.
Purchase vs operating cost
Best if you are actively comparing two vehicles or setups.
Open this path