Home Solar + EV Charging Cost Calculator
Charging an EV directly from solar panels can significantly cut your fuel costs. Enter your daily driving distance, vehicle efficiency, solar coverage percentage, and utility rate to estimate your annual savings.
About this calculator
Estimate how much you can save by charging your electric vehicle using home solar power instead of pulling electricity from the grid, based on your driving habits and utility rates.
Frequently Asked Questions
How is effective solar cost per kWh determined?
It's typically your total solar system cost divided by its expected lifetime energy production, or you can use a rough estimate like $0.04–$0.08/kWh for most residential systems.
Does this account for battery storage?
No, this is a simplified annual average model. Actual savings depend on when you charge relative to solar production and whether you have battery storage to shift usage.
Can I use this for a home battery instead of an EV?
This calculator is designed specifically for EV charging costs, but the same logic could be adapted for other high-usage home appliances.