Solar + EV Analysis

Solar + EV Savings Calculator

See how much you save by combining solar panels with an EV. Get real production data, EPA vehicle efficiency, and a 25-year financial projection.

Urgent tax credit deadlines

  • Section 48E phase-out completes December 31, 2027 — projects must be placed in service by then (515 days left).
See the full deadline tracker

Your Details

1–25 kW

MPG of the gas car you'd replace

Enter your ZIP code, system size, and driving habits above to see your combined solar + EV savings.

Data sources: Solar production from NREL PVWatts V8 API. Vehicle data from EPA FuelEconomy.gov. CO₂ factors: 0.771 lbs/kWh (eGRID2023 Rev2 U.S. average), 19.6 lbs/gallon gasoline. Actual savings vary.

Written & reviewed by

Jeremy Wolfe — Senior Solar Energy Analyst

Jeremy Wolfe is a solar energy analyst specializing in residential photovoltaic economics, federal and state incentive policy, and return-on-investment modeling for homeowners. He leads EnergyTools' solar research program and methodology.

  • 10+ years analyzing residential solar economics and payback modeling
  • Lead researcher for EnergyTools' 50-state solar cost-per-watt database
  • Author of 100+ solar ROI, payback, and incentive analyses

Methodology & data sources:NREL PVWatts, EPA FuelEconomy.gov, state utility commissions— updated 2026.