Going electric? Run the numbers for your state.
Free calculators for EVs, solar panels and home batteries, built on government data rather than sales pitches. Right now, charging an electric SUV at home costs about $5.66 per 100 miles at the US average electricity price, versus $16.98 for gasoline.
Tools
- EV charging cost calculatorYour state, your car, your miles — versus gasoline.
- Solar panel calculatorHow many panels your home needs and what they're worth.
- Home battery sizerHow many kWh of backup you need, with matching systems.
- EV FinderMatch an electric car to your budget, range and family.
- Solar FinderInstallers serving your ZIP code, and how to judge a quote.
- 2026 incentivesWhich federal credits ended, and where state rebates live.
- Plug-in solarBalcony solar laws by state, real kits and what they make.
- Best power stationsPicks for camping, CPAP, fridge backup and RVs.
- Home battery backupWhole-home vs portable, with real 2026 costs.
This month's numbers
Average residential electricity prices for January–July 2026 (EIA), EPA vehicle ratings and PVWatts solar output. Updated October 15, 2026.
Cheapest states to charge an EV
- North Dakota$3.84/100 mi
- Nebraska$4.01/100 mi
- Idaho$4.03/100 mi
Most expensive states to charge
- Hawaii$14.39/100 mi
- California$10.34/100 mi
- Massachusetts$9.37/100 mi
Most solar output per panel
- California1,798 kWh/kW
- Arizona1,794 kWh/kW
- Nevada1,771 kWh/kW
EV cost is for a 2026 Chevrolet Equinox EV FWD (31.1 kWh/100 mi) charged at home. US average electricity price: 18.2¢/kWh.
Electricity, EV charging and solar by state
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- District of Columbia
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Latest headlines
More headlinesFrom Electrek, CleanTechnica, InsideEVs and Solar Power World. Links open the original article.
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