Most public charging stations charge a fee, but the amount and structure vary widely
Free charging stations exist, but they are becoming less common. Most public chargers now charge by the kilowatt-hour (kWh), by the minute, by a monthly subscription, or by some combination of these. A few retailers and workplaces still offer free charging as a customer perk, but relying on free public charging as your primary strategy will limit where you can charge and when.
The cost depends on three things: where the charger is located, what network operates it, and whether you have a membership or subscription with that network. A Level 2 charger at a shopping mall might cost $1 to $3 per hour, while a DC fast charger on a highway might cost $10 to $30 for a 20-minute session. Home charging, if you have a driveway or garage, is almost always cheaper than public charging.
Key Takeaways
- Most public chargers now charge per kilowatt-hour, per minute, or through a monthly subscription, with rates varying by network and location.
- Free chargers still exist at some workplaces, retail locations, and municipal parking lots, but they are not reliable as a primary charging source.
- DC fast chargers on highways typically cost more per session than Level 2 chargers at shopping centers or parking garages.
- Home charging is almost always the cheapest option if you have access to a dedicated outlet or installed charger.
- Membership programs with networks like Electrify America or EVgo can lower per-session costs if you charge frequently.
How charging networks set their prices
The major charging networks in the United States—Electrify America, EVgo, Volta, ChargePoint, and Tesla Supercharger—each set their own rates. There is no single national price. Electrify America charges by the minute at DC fast chargers, typically $0.43 to $0.50 per minute depending on the state and charger speed. EVgo charges per kilowatt-hour at some locations and per minute at others. Volta, which operates in urban areas and parking lots, charges per hour for Level 2 chargers.
Pricing also shifts based on demand and time of day. Some networks charge more during peak hours and less during off-peak times, similar to how electricity prices work in some regions. A charger in a busy downtown area will cost more than the same charger in a rural location. Networks update their rates regularly, so the price you paid last month may not be the price you pay this month.
Where you might still find free charging
Free charging stations are most commonly found at workplaces, hotels, and retail locations that offer it as a customer benefit. Some employers provide free charging in their parking lots as part of employee benefits. Hotels, especially upscale ones, sometimes offer free charging to guests. Retailers like Whole Foods and some shopping centers have free Level 2 chargers, though these are increasingly rare as networks transition to paid models.
Municipal parking lots and public garages occasionally offer free charging, usually as part of a city's effort to encourage EV adoption. However, these programs vary by city and change over time. Some cities have removed free charging to reduce costs or to encourage faster turnover of parking spaces. Before planning a trip around a free charger, call ahead or check the charger's app to confirm it is still free and available.
Comparing costs: public charging versus home charging
Home charging is almost always the cheapest option. If you charge at home using a standard 120-volt outlet, you pay only the electricity rate on your home bill—typically $0.12 to $0.18 per kWh depending on your location and utility. If you install a Level 2 home charger (240 volts), the cost per kWh is the same, but you charge much faster. Over a year, home charging costs $400 to $600 for most drivers, depending on how much you drive and your local electricity rates.
Public charging costs significantly more. A DC fast charger session that adds 200 miles of range might cost $15 to $25. A Level 2 charger at a parking lot might cost $2 to $4 per hour. If you rely entirely on public charging, your annual costs could easily exceed $1,500. This is why most EV owners do the majority of their charging at home and use public chargers only for longer trips or when home charging is not available.
Membership programs and subscription plans
Most major charging networks offer membership or subscription plans that lower the per-session cost if you charge frequently. Electrify America offers a subscription plan that charges a flat monthly fee plus a lower per-minute rate. EVgo has a membership program with reduced rates. ChargePoint has a similar model. These plans typically cost $4 to $15 per month and reduce your per-session cost by 10 to 30 percent.
Whether a membership makes sense depends on how often you use public chargers. If you charge at home most of the time and use public chargers only a few times per month, a membership will not save you money. If you charge publicly multiple times per week—because you do not have home charging or you drive long distances regularly—a membership will pay for itself quickly. Check the charger network's app or website to see what membership options are available in your area.
What to expect when you arrive at a charger
When you pull up to a public charger, you will see a display or sign showing the price structure. Most chargers require you to create an account with the network and link a payment method before you can start charging. You typically initiate the session through the charger's touchscreen, a mobile app, or an RFID card. The charger will display the cost per minute or per kWh, and you can see the running total as you charge.
Some chargers charge a small idle fee if you leave your car plugged in after charging is complete. This fee typically starts 5 to 10 minutes after charging stops and ranges from $0.50 to $1.00 per minute. This is designed to encourage drivers to unplug and free up the charger for others. Always check the charger's display or app to see when charging will complete, and plan to return before idle fees begin.
Planning for charging costs on road trips
If you are planning a long road trip, budget for DC fast charging costs. Most EV owners charge to 80 percent rather than 100 percent, because charging slows significantly after 80 percent and costs more per kWh. A typical road trip session—charging from 20 percent to 80 percent—takes 20 to 40 minutes and costs $15 to $30 depending on the network and charger speed.
Use apps like PlugShare, A Better Route Planner, or the charger networks' own apps to see what chargers are available along your route and what they cost. Some chargers are cheaper than others, and planning your route around lower-cost chargers can save money on a long trip. Factor in the time cost as well: a slower charger might be cheaper per kWh but cost you more in time if you are trying to reach your destination quickly.
Frequently Asked Questions
Can I charge my EV for free at Tesla Superchargers?
Tesla Superchargers are not free. Tesla charges per minute or per kWh depending on the location. Rates vary by region and charger, typically ranging from $0.25 to $0.50 per minute. Some older Tesla vehicles came with free Supercharging for a limited time, but that benefit has ended for most new purchases.
Do I have to pay every time I charge, or can I buy a package?
Most networks charge per session, but some offer monthly subscriptions or prepaid packages. Electrify America and EVgo both have subscription options. ChargePoint offers both pay-per-use and membership plans. Check the network's website or app to see what payment options are available at the chargers you use most often.
What happens if I unplug my car before it is fully charged?
You pay only for the energy you used. If you charge from 20 percent to 60 percent and then unplug, you pay for that amount of charging. There is no penalty for stopping early, though some chargers do charge an idle fee if you leave your car plugged in after charging is complete.
Are charging costs included in my electricity bill if I charge at home?
Yes. Home charging uses electricity from your utility, so the cost appears on your regular electric bill. The cost per kWh is the same as any other electricity you use at home. If you want to track your charging costs separately, some home chargers have built-in monitoring that shows how much energy you used.
Do I need to join a membership to use public chargers?
No. You can use most public chargers without a membership by paying per session through the charger's app or touchscreen. A membership straightforward lowers the per-session cost if you charge frequently. You can also use multiple networks, so you are not locked into one membership.