What you pay to charge an electric vehicle depends on where you charge, the time of day, and your utility's rate structure
Electric vehicle charging costs are not a single number. Your utility company charges different rates depending on whether you charge at home during off-peak hours, at a public fast charger during the day, or at a workplace station. Some utilities offer special EV rates that are lower than regular electricity prices. Others charge the same rate regardless of when you plug in. The cost per mile is typically lower than gasoline, but the actual dollar amount you pay depends on your local electricity prices, which vary widely by region and by time of day.
Understanding your charging options helps you predict what you will actually spend. A home charger using off-peak power costs less per kilowatt-hour than a public DC fast charger, which costs less than charging during peak hours. If you have control over when you charge, you can reduce your costs significantly. If you charge only when you find a charger available, your costs will be higher and less predictable.
Key Takeaways
- Home charging is usually the cheapest option because you use your regular utility rate, which is often lower at night, and you avoid the markup that public chargers add.
- Public DC fast chargers cost more per kilowatt-hour than home charging and may charge by the minute rather than by the amount of electricity you use.
- Time-of-use rates offered by many utilities charge less during off-peak hours (usually late evening through early morning) and more during peak hours.
- Your actual cost per mile depends on your vehicle's efficiency, your local electricity price, and when you charge, so comparing to gasoline requires knowing all three numbers.
Home charging rates and how utilities price electricity
When you charge at home, you pay your utility company's standard electricity rate. Most utilities charge a per-kilowatt-hour rate that appears on your monthly bill. This rate varies by state and utility — electricity in California costs more per kilowatt-hour than electricity in Louisiana, for example. Your utility may also charge a separate monthly fee for being a customer, and some utilities add surcharges or taxes on top of the per-kilowatt-hour rate.
Many utilities now offer time-of-use (TOU) rates specifically for EV owners. These rates charge you less per kilowatt-hour during off-peak hours — typically 9 p.m. to 6 a.m. — and more during peak hours when demand is high. If you can charge your vehicle during off-peak hours, a TOU rate can cut your charging cost by 30 to 50 percent compared to charging during the day. Some utilities make TOU rates automatic for EV owners; others require you to request the rate from your utility directly.
To find out what rate your utility offers, contact your electric company or visit their website and search for "electric vehicle rates" or "time-of-use rates." Ask whether they offer a separate EV rate and whether you need to install a special meter or smart charger for the rate to work. Some utilities require a Level 2 charger (the kind that takes 6 to 10 hours to fully charge) to may have access to for the lower rate, while others allow any home charger.
Public charging networks and their pricing models
Public chargers are operated by different companies and use different pricing methods. Some charge by the kilowatt-hour (like your home utility), some charge by the minute, and some charge a flat fee per session. The same network may use different pricing at different locations. Chargepoint, Electrify America, EVgo, and Tesla Supercharger are among the largest networks, but many smaller regional networks exist.
DC fast chargers, which can add 200 miles of range in 20 to 30 minutes, typically cost more than Level 2 chargers. A DC fast charger might cost $0.25 to $0.50 per kilowatt-hour, or $10 to $15 per 15-minute session, depending on the network and location. Level 2 chargers at parking lots, shopping centers, or workplaces often cost $1 to $3 per hour or $0.15 to $0.30 per kilowatt-hour. Some workplaces and apartment buildings offer free charging as an employee or resident benefit.
Most public charging networks require you to create an account and link a payment method before you can charge. Some networks charge a monthly membership fee that reduces the per-kilowatt-hour rate; others have no membership but charge higher rates per session. Check the network's app or website to see current prices at specific locations before you drive there, because prices can change and vary by charger.
Comparing charging costs to gasoline
To compare the cost of charging to the cost of gasoline, you need three pieces of information: your vehicle's efficiency (measured in miles per kilowatt-hour), your local electricity price, and your local gasoline price. A typical EV travels 3 to 4 miles per kilowatt-hour. If your electricity costs $0.15 per kilowatt-hour, charging costs roughly $0.04 to $0.05 per mile. A gasoline car that gets 25 miles per gallon costs about $0.12 to $0.16 per mile when gasoline is $3 to $4 per gallon.
This comparison assumes you charge at home during off-peak hours. If you rely on public fast chargers, your per-mile cost rises significantly and may approach or exceed the cost of gasoline in some regions. The advantage of EV charging is that you control when you charge and can choose cheaper times, whereas you cannot choose when gasoline prices are low.
Your vehicle's efficiency also matters. Larger EVs and those driven in cold weather use more kilowatt-hours per mile. Check your vehicle's efficiency rating in the owner's manual or on the EPA label to calculate your actual cost for your specific vehicle and driving conditions.
Workplace and apartment charging options
If you do not have a driveway or garage, workplace charging or apartment charging may be your primary option. Many employers offer free or low-cost Level 2 charging as an employee benefit. If your workplace offers charging, ask whether it is free, whether you need to reserve a spot, and what the charging speed is. Free workplace charging can save hundreds of dollars per year compared to public charging.
Apartment dwellers often face barriers to home charging because they do not control the electrical infrastructure. Some apartment buildings have installed shared Level 2 chargers in parking lots or garages. If your building does not have chargers, you can ask the landlord or building management whether they would consider installing them. Some states and utilities offer rebates or grants to apartment buildings that install EV charging, which can make the cost easier for the building to accept.
If neither workplace nor apartment charging is available, you will rely on public chargers. This increases your charging costs and makes your charging schedule less flexible. In this situation, comparing the total cost of EV ownership to a gasoline or hybrid vehicle is important before you purchase.
Fees, subscriptions, and hidden costs
Beyond the per-kilowatt-hour or per-minute rate, some public chargers charge additional fees. Idle fees explore when you leave your vehicle plugged in after charging is complete — typically $0.50 to $1.00 per minute. Session fees charge a flat amount ($1 to $3) just to start charging, on top of the per-kilowatt-hour rate. Membership programs at some networks charge $10 to $20 per month and reduce the per-kilowatt-hour rate in return.
Some utilities charge a separate monthly fee for EV charging or for time-of-use rates. Ask your utility whether there is a monthly fee before you enroll in a special EV rate. The fee is usually small ($5 to $15 per month), but it affects your total savings calculation.
Home charging equipment also has an upfront cost. A Level 2 home charger costs $300 to $1,500 installed, depending on your home's electrical panel and the charger model. Some utilities and state programs offer rebates that cover part or all of this cost. Check your utility's website or contact your state's energy office to see what rebates are available in your area.
How to find current rates and plan your charging strategy
Start by contacting your utility company to ask what EV rates they offer and whether you may have access to. Ask specifically whether they have time-of-use rates, what the off-peak hours are, and whether you need to install special equipment. Many utilities have this information on their website under "electric vehicle" or "time-of-use rates."
For public charging, read the apps for the networks that operate near your home and work. Chargepoint, Electrify America, EVgo, and Tesla Supercharger all have apps that show charger locations, real-time availability, and current prices. Plug in your typical driving routes to see where chargers are located and what they cost.
If you are considering buying an EV, calculate your expected charging costs using your local electricity rate and your expected daily miles. Most EV owners charge at home overnight and use public chargers only for long trips. If you can charge at home during off-peak hours, your charging costs will be significantly lower than if you rely on public chargers.
Frequently Asked Questions
Do I need a special meter to get time-of-use rates?
Some utilities require a smart meter to track when you charge, while others do not. Contact your utility to ask whether a smart meter is required for their EV time-of-use rate. If one is required, the utility usually installs it for free. If your utility does not have smart meters, they may offer a time-of-use rate based on when you tell them you charge, though this is less common.
Can I charge my EV with solar panels or renewable energy?
If you have rooftop solar panels, you can charge your EV with the electricity they generate. However, you still pay your utility company for the electricity you use when the sun is not shining. Net metering policies vary by state and utility — some credit you for excess solar power you send to the grid, while others do not. Ask your utility how solar generation affects your EV charging costs in your specific situation.
What is the difference between Level 2 and DC fast charging?
Level 2 chargers use 240-volt power (like a clothes dryer outlet) and take 6 to 10 hours to fully charge an EV. DC fast chargers use 480-volt power and can add 200 miles in 20 to 30 minutes. Level 2 chargers cost less per kilowatt-hour and are better for home and workplace charging. DC fast chargers cost more but are necessary for long road trips.
Will my electricity bill go up significantly if I charge an EV at home?
Your bill will increase by the cost of the electricity your EV uses, but the amount depends on how much you drive and your local electricity rate. A typical EV driven 12,000 miles per year uses about 3,500 to 4,000 kilowatt-hours annually. At $0.15 per kilowatt-hour, this costs roughly $525 to $600 per year. If you enroll in a time-of-use rate and charge during off-peak hours, your cost may be $350 to $400 per year.
Are there government rebates for EV charging equipment or rates?
Some states and utilities offer rebates for home charger installation, typically covering $500 to $2,000 of the equipment cost. The federal government does not currently offer a direct rebate for charging equipment, but some states do. Contact your utility or your state's energy office to ask what rebates are available where you live. Rebate programs change, so check current information before you purchase a charger.