Charging costs depend on your electricity rate, the car's battery size, and where you charge
The cost to charge an electric car ranges from roughly $3 to $15 per full charge at home, or $10 to $30 at a public fast charger, depending on your local electricity prices and the vehicle's battery capacity. Most EV owners charge at home overnight using standard household power, which costs less than public charging. Public chargers—especially DC fast chargers at highway rest stops—charge by the minute or kilowatt-hour and carry premium prices because they deliver power much faster.
Your actual bill depends on three things: how much electricity your car needs (measured in kilowatt-hours), what you pay per kilowatt-hour in your area, and which charger you use. A Tesla Model 3 with a 75 kWh battery costs roughly $9 to $12 to fully charge at home in most U.S. states, where average residential electricity runs $0.12 to $0.16 per kilowatt-hour. The same car at a DC fast charger might cost $20 to $35 because those stations charge $0.25 to $0.45 per kilowatt-hour or $10 to $15 per 30-minute session.
Key Takeaways
- Home charging on a standard 240-volt outlet costs $0.03 to $0.06 per mile driven, compared to $0.10 to $0.20 per mile at public DC fast chargers.
- Your electricity rate varies by state and utility; check your most recent power bill to calculate your actual home charging cost.
- Public chargers charge by the minute, kilowatt-hour, or session fee, and prices vary widely even within the same city.
- Charging speed affects total cost: a Level 2 charger (home or public) costs less per charge than a DC fast charger, but takes 4 to 10 hours instead of 20 to 40 minutes.
Home charging costs less but requires time
Charging at home overnight on a standard 240-volt outlet (called Level 2) is the cheapest option for most owners. To calculate your cost, find your electricity rate on your power bill—it appears as cents per kilowatt-hour—and multiply it by your car's battery size. A 60 kWh battery charged at $0.14 per kilowatt-hour costs $8.40. A 100 kWh battery at the same rate costs $14.
Home charging takes 4 to 10 hours for a full charge, depending on the charger's power output and the car's battery size. Most owners plug in after work or before bed and wake up to a full battery. This schedule works well if you drive fewer than 200 miles per day, which covers most commutes. If you drive longer distances regularly or need to charge during the day, home charging alone won't meet your needs.
Installing a 240-volt charger at home costs $500 to $2,500 in equipment and labor, though some utilities and state programs offer rebates that reduce this. Once installed, the charger itself has no monthly fee—you pay only for the electricity it uses. Renters and apartment dwellers may not have this option; check with your landlord or building management about shared charging infrastructure.
Public Level 2 chargers cost more than home but less than fast chargers
Public Level 2 chargers—found at shopping centers, parking garages, workplaces, and municipal lots—charge at the same speed as home chargers but cost $1 to $4 per hour or $3 to $8 per full charge. Some networks charge a monthly membership fee ($10 to $25) that reduces per-session costs. Others charge per kilowatt-hour at rates of $0.20 to $0.30, which works out to $12 to $18 for a full charge on a 60 kWh battery.
Public Level 2 chargers make sense if you're parked for several hours—at work, shopping, or dining—and want to add range without paying fast-charger prices. They're also useful as backup when home charging isn't available. Networks like ChargePoint, Electrify America, and Evgo operate thousands of Level 2 stations across the country, though availability and pricing vary by region and operator.
DC fast chargers are expensive but necessary for long trips
DC fast chargers add 150 to 200 miles of range in 20 to 40 minutes and cost $10 to $35 per session depending on the network and your location. Electrify America charges $0.43 per kilowatt-hour in most markets. Evgo charges $0.35 to $0.45 per kilowatt-hour. Tesla Superchargers charge $0.26 to $0.28 per kilowatt-hour for non-Tesla owners (Tesla owners pay less). A 60 kWh charge at Electrify America costs roughly $26; the same charge at a Tesla Supercharger costs roughly $16.
Fast chargers are priced high because they deliver power at rates that strain the electrical grid and require expensive infrastructure. You'll use them mainly on road trips when you need to recharge quickly between cities. For daily driving, the cost difference between home charging and fast charging is dramatic: a 200-mile commute costs $8 to $12 at home but $30 to $50 at a fast charger.
Most fast-charger networks require a membership or credit card on file. Some offer monthly subscription plans ($10 to $30) that reduce per-kilowatt-hour rates. Comparing networks before a long trip can save $10 to $15 per charge, so check the Plugshare or A Better Route Planner apps to see which chargers are on your route and what they cost.
Electricity rates vary by state and time of day
Your home charging cost depends entirely on your local electricity rate, which varies from $0.09 per kilowatt-hour in Louisiana to $0.22 in Massachusetts. Check your most recent power bill for the rate labeled "per kWh" or "electricity rate." Some utilities offer time-of-use rates that charge less during off-peak hours (typically 9 p.m. to 6 a.m.) and more during peak hours. If your utility offers this, charging overnight saves 20 to 40 percent compared to daytime charging.
A few utilities offer EV-specific rates that are even cheaper—sometimes $0.08 to $0.12 per kilowatt-hour—but require you to enroll in the program and charge during designated hours. Contact your utility directly to ask whether an EV rate is available in your area. The savings can add up: switching from a standard rate of $0.16 to an EV rate of $0.10 per kilowatt-hour saves roughly $1,200 per year on a car driven 12,000 miles annually.
Comparing total charging costs across scenarios
| Charging Method | Cost Per Full Charge (60 kWh) | Time to Full Charge | Best For |
|---|---|---|---|
| Home Level 2 (at $0.14/kWh) | $8.40 | 6–8 hours | Daily commuting, overnight charging |
| Public Level 2 (hourly rate) | $12–18 | 6–8 hours | Workplace or shopping center charging |
| DC Fast Charger (Electrify America) | $26 | 20–30 minutes | Road trips, urgent charging |
| DC Fast Charger (Tesla Supercharger) | $16 | 20–30 minutes | Tesla owners on road trips |
The table above assumes a 60 kWh battery and average U.S. rates. Your actual costs will differ based on your car's battery size, local electricity rates, and which charger network you use. A larger battery (80–100 kWh) increases all costs proportionally. A smaller battery (40–50 kWh) reduces them.
Frequently Asked Questions
How much does it cost to charge an electric car compared to gas?
Home charging costs roughly $0.03 to $0.06 per mile, while gas cars cost $0.08 to $0.12 per mile at current fuel prices. Over 12,000 miles per year, home charging saves $1,000 to $1,500 in fuel costs. Public fast chargers narrow the gap, costing $0.10 to $0.20 per mile, but most owners charge at home most of the time.
Do I have to pay a monthly fee to use public chargers?
No. Most public chargers charge per session or per kilowatt-hour with no membership required. Some networks like ChargePoint and Evgo offer optional monthly memberships ($10 to $25) that reduce per-session costs if you charge frequently. Tesla Superchargers charge per kilowatt-hour with no membership fee for non-Tesla owners.
Can I charge my EV on a standard 120-volt outlet?
Yes, but it's slow and expensive. A standard household outlet (Level 1) adds 2 to 5 miles of range per hour, so a full charge takes 24 to 48 hours. Most owners install a 240-volt charger instead, which adds 25 to 30 miles per hour and costs $500 to $2,500 to install.
What's the cheapest way to charge on a road trip?
Plan your route to use DC fast chargers only when necessary, and charge to 80 percent rather than 100 percent—charging slows dramatically after 80 percent and costs more per mile. Use apps like Plugshare or A Better Route Planner to find the cheapest chargers on your route. Tesla Superchargers are typically the cheapest option if you own a Tesla.
Does charging at night cost less than charging during the day?
It depends on your utility's rate structure. If your utility offers time-of-use rates, off-peak charging (usually 9 p.m. to 6 a.m.) costs 20 to 40 percent less than peak-hour charging. Check your power bill or contact your utility to see whether time-of-use rates are available in your area.