Home charging costs between $0.03 and $0.18 per mile, depending on your local electricity rate

The cost to charge an electric car at home is straightforward: multiply your local electricity rate by the car's efficiency. If you pay $0.14 per kilowatt-hour (kWh) and your EV uses 0.25 kWh per mile, you spend about $0.035 per mile. A Tesla Model 3 or Chevy Bolt costs roughly $3 to $5 to charge fully at home in most U.S. states. The variation comes entirely from where you live — Louisiana's average rate is around $0.10 per kWh, while Hawaii averages $0.28 per kWh.

To find your own rate, check your electricity bill for the per-kWh charge (not the total bill). Then look up your car's efficiency in the owner's manual or EPA label — it will be listed as miles per kWh or kWh per 100 miles. Multiply rate by consumption, and you have your cost per mile. Most people charge overnight on a standard 120-volt outlet (Level 1) or install a 240-volt home charger (Level 2). Level 2 is faster but uses the same electricity, so it does not change the per-mile cost — only how long charging takes.

Key Takeaways

  • Home charging costs $3 to $8 per full charge in most states, or roughly $0.03 to $0.18 per mile, depending on your electricity rate and the car's efficiency.
  • Public fast chargers (DC fast charging) cost $0.20 to $0.45 per minute or $0.10 to $0.30 per kWh, making a 200-mile charge run $15 to $40 depending on the network and location.
  • Workplace and retail charging networks often offer free or low-cost charging, but speeds vary widely and availability depends on your location and employer.
  • Subscription plans from networks like Electrify America or EVgo can reduce per-minute costs if you charge away from home more than once or twice a week.
  • Total charging cost for an EV is typically one-third to one-half the fuel cost of a comparable gas car over the same distance.

Public fast charging costs vary by network and how you pay

DC fast charging — the kind that adds 200 miles in 20 to 40 minutes — is where most people encounter a per-use charge. Electrify America, EVgo, and Volta charge by the minute, by the kilowatt-hour, or by subscription. Minute-based pricing ranges from $0.20 to $0.45 per minute depending on the network and charger speed. A 30-minute charge that adds 150 miles might cost $6 to $13 just in charging fees, plus any idle fees if you leave the car plugged in after charging stops.

Per-kWh pricing, offered by networks like Electrify America and some Tesla Supercharger locations, ranges from $0.10 to $0.30 per kWh. The same 150-mile charge (roughly 40 to 50 kWh depending on the car) would cost $4 to $15. The difference between networks and locations can be significant — a Supercharger in California may cost twice what one costs in Texas. Check the charging app before you plug in; prices update regularly and vary by location.

Subscription plans make sense if you fast-charge more than once a week

Electrify America, EVgo, and other networks offer monthly memberships that reduce per-minute or per-kWh rates. Electrify America's membership costs around $4 to $14 per month and cuts per-minute rates by roughly 25 to 30 percent. EVgo's membership is similar. These plans only save money if you fast-charge regularly — someone who charges at home 95 percent of the time and uses a public charger once a month will spend more on a membership than they save.

Calculate your own break-even point: if you fast-charge twice a week at $10 per charge without a membership, you spend $80 per month. A $10 membership that cuts your per-charge cost to $7 saves you $6 per month — not worth it. But if you fast-charge four times a week, the same membership saves you $12 per month. Memberships also vary by network; some offer free charging at certain retailers or partner locations, which can add real value if you shop at those places regularly.

Workplace and retail charging is often free or heavily discounted

Many employers offer free Level 2 charging in parking lots, and some cover the cost of home charger installation. Retailers like Whole Foods, Target, and Walmart increasingly offer free or low-cost charging while you shop. These chargers are typically Level 2 (adding 25 to 30 miles per hour), so they do not replace fast charging for road trips, but they can eliminate your charging cost for daily driving if your workplace or regular shopping location has them.

Availability varies by region and employer. Urban areas and tech hubs have denser networks; rural areas may have none. If you are considering an EV purchase, check the PlugShare app to see what charging exists near your home, workplace, and regular routes. Free or subsidized charging can reduce your total ownership cost by $500 to $1,500 per year, depending on how much you drive and how often you use it.

Road trip charging adds $15 to $40 per 200 miles compared to home charging

A 500-mile road trip in an EV requires two to three fast-charging stops. At $25 per charge (a middle estimate), you spend $50 to $75 on charging. The same trip in a 25-mpg gas car costs roughly $60 to $80 in fuel. The math is close, but EV road trips take longer because charging takes 20 to 40 minutes per stop, while refueling takes 5 minutes. If time matters, factor that into your decision.

Costs vary by route. Interstates with dense Supercharger or Electrify America networks (California, the Northeast Corridor, Texas) have lower per-charge costs and more options. Rural routes may have fewer chargers and higher prices. Plan your route using PlugShare or your car's navigation system before you leave; prices and availability change, and some chargers go offline for maintenance.

Total EV charging cost compared to gas over five years

A typical EV owner who drives 12,000 miles per year spends roughly $400 to $600 per year on home charging, assuming a national average electricity rate of $0.14 per kWh. Over five years, that is $2,000 to $3,000. The same driver in a 25-mpg gas car spends roughly $4,000 to $5,000 per year on fuel (at $3.50 per gallon), or $20,000 to $25,000 over five years.

If you fast-charge occasionally — say, four times per year for road trips — add $100 to $200 per year. Your five-year charging cost stays under $3,500. The fuel savings alone offset the higher purchase price of an EV within five to seven years for most buyers, depending on your electricity rate and how much you drive. Maintenance costs are also lower for EVs (no oil changes, fewer brake replacements), which adds another $1,000 to $2,000 in savings over five years.

Frequently Asked Questions

Does charging an EV at night cost less than during the day?

Some utilities offer time-of-use rates that charge less per kWh during off-peak hours (usually 9 p.m. to 6 a.m.). The discount ranges from 20 to 50 percent depending on your utility. If your rate is $0.14 per kWh during the day and $0.09 at night, charging at night saves roughly $0.01 to $0.02 per mile. Ask your utility whether time-of-use rates are available for your account; enrollment is usually free.

What does it cost to install a Level 2 charger at home?

Equipment costs $400 to $1,200, and installation runs $500 to $2,000 depending on how far your electrical panel is from the garage and whether your home needs a panel upgrade. Some utilities and state programs rebate $500 to $1,500 of the installation cost. The federal tax credit does not cover home charger installation as of 2024, but check your state's EV incentive program — many offer rebates that reduce your net cost to $500 to $1,500.

Can I charge an EV on a standard 120-volt outlet?

Yes, but it is slow. A standard outlet adds roughly 2 to 3 miles of range per hour, so a full charge takes 24 to 48 hours. This works if you drive fewer than 30 miles per day and can charge overnight, but most EV owners install a 240-volt charger to cut charging time to 4 to 8 hours. The electricity cost is the same either way; only the speed changes.

Do I pay more to charge a larger EV battery?

Yes, but the cost per mile stays roughly the same. A larger battery holds more energy (measured in kWh), so charging it fully costs more in dollars. A 40-kWh battery costs roughly $5.60 to charge at $0.14 per kWh; a 75-kWh battery costs $10.50. But the larger battery also drives farther, so the per-mile cost is similar. Check your car's EPA rating (miles per kWh) to compare efficiency across models.

What happens if a public charger is broken when I need it?

Charger downtime is common — networks report 5 to 15 percent of chargers offline at any given time. Always have a backup charger location in your navigation app before you start driving. PlugShare shows real-time charger status and user reports. If you are stranded, call the network's customer service number (posted on the charger) or use the app to report the outage and find the nearest working charger.