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Estimate EV charging costs by multiplying the electricity added by the price that applies where you charge. To compare the cost of driving, multiply your vehicle’s energy use in kWh per 100 miles by the electricity price per kWh, then divide by 100. Your own home tariff, public-station rates, fees, vehicle efficiency, and driving distance determine the result.
Use these formulas to estimate EV charging costs
Use the amount of energy actually added for a charging session. For driving-cost estimates, use your vehicle’s efficiency and the miles you drive.
- Charging session: kWh added × price per kWh.
- Cost per mile: (vehicle kWh per 100 miles × price per kWh) ÷ 100.
- Monthly or yearly energy cost: miles driven × vehicle kWh per mile × applicable price per kWh.
- Full-battery estimate: usable battery capacity in kWh × price per kWh. This estimates a recharge from empty; most sessions add only part of the battery’s capacity.
If you charge at different locations, estimate what share of your energy comes from each, calculate each share at its applicable price, and add the costs. For instance, if you get 70% of your charging at home and 30% at public stations, apply each location’s price to its share rather than treating all electricity as if it had one rate.
Keep kW and kWh distinct: kW measures power, while kWh measures energy. The U.S. Environmental Protection Agency explains the relationship as kWh = kW × hours. A higher-power charger can affect how quickly your vehicle charges, subject to the vehicle’s limits; it does not by itself mean the same trip uses more energy. EPA’s charging guide explains the difference.
#1 Best Overall
- Charge with Confidence: ChargePoint builds reliable, flexible EV charging stations for home, business, and fleets. Get 24/7 support and access to hundreds of thousands of North American charging locations.
- Charge Smart: With the user-friendly ChargePoint Mobile App, you can control your electric car charger, manage reminders, connect to smart home devices, find stations, get data and charging info, and access the latest features. Note: WiFi is needed for certain functionalities and troubleshooting steps if connectivity issues arise.
- Vast Network: Wherever you go, ChargePoint’s network includes 274k+ stations across North America and Europe and 565k+ roaming partner stations.
- Safe & Durable: Rely on this UL-certified EV charger for safe home charging. It can be installed indoors or outdoors by an electrician and includes a cold-resistant cable.
- Fast & Powerful: This EV charger charges 9× faster than a 120V outlet, delivering up to 45 mi/hr., dependent upon your vehicle. It features a J1772 connector for all non-Tesla EVs and requires a 20A or 80A circuit. For Tesla EVs, this will require an adapter.
Worked example: cost per mile
The U.S. Department of Energy’s Alternative Fuels Data Center (AFDC) illustrates the calculation with electricity at 10.7 cents per kWh and a vehicle using 27 kWh per 100 miles: 27 × $0.107 ÷ 100 = about $0.03 per mile. This is an agency example, not a current national or local electricity quote. At the same illustrative rate, a fully depleted 54-kWh battery would cost about $6 to replenish; for a partial charge, multiply the kWh actually added by the rate. AFDC’s home-charging page provides both examples.
Worked example: monthly cost
Suppose your car uses 30 kWh per 100 miles and you drive 1,000 miles in a month. That is 300 kWh of driving energy by the efficiency figure. At a hypothetical rate of $0.15 per kWh, the estimate is $45. Replace those illustrative inputs with your vehicle’s efficiency, actual miles, and applicable tariff. Your billed consumption can differ from a simple estimate based on vehicle efficiency, so use your charging records or bill data when available.
How much does it cost to charge an EV at home?
Use the marginal electricity rate that applies during the hours your car charges. Check your utility bill or tariff for the relevant rate, including time-of-use periods if applicable. An off-peak price is useful only if your vehicle can be scheduled to charge then and you actually charge during those hours.
Rank #2
- Flex Level 1 EV Charger - The EVDANCE Level 1 electric car charger is compatible with J1772 electric vehicles and plug-in hybrid vehicles (North American Standard). *Tesla requires a SAE J1772 adapter.
- Convenient to Use - This charger has both NEMA 6-20 plug for 16A 240V charging (3.68kW, 10-12 mi/h) and a NEMA 6-20 to 5-15 plug adapter for 12A 120V charging (1.44kW, 2-5 mi/h). The included bag makes it easier to carry on the go. It also has a 25ft cable length, you can use it flexibly from anywhere in the garage or driveway.
- Check Your Outlet Type -This charger works with standard 120V NEMA 5-15/5-20 outlets (2-5 mph charging speed) and 240V NEMA 6-20 outlets (10-12 mph) . It's not compatible with NEMA 6-15/10-30/14-30/14-50/6-50 outlets – you'll need a NEMA 14-50/14-30/10-30/6-50 to 6-20 adapter (sold separately) to connect.
- Compatible EV Models -This EV charger works with most major electric vehicles, including Ford, Chevrolet, Hyundai, Audi, Nissan Ariya, Rivian R1S, Kia, and others. However, it's not compatible with Mini Cooper Electric Hardtop,Toyota Prus Prime/Z4X/RAV4Prime, Porsche Taycan Base/4S/Turbo/Turbo S or Tesla models (Tesla requires a J1772 to Tesla Adapter, sold separately). For a full list of compatible models, check out the Full Compatibility List on our product page.
- Indication Displays - LED display that can tell you the status as well as indicate errors while charging your electric vehicle.
The headline supply rate may not equal the effective cost of charging. Depending on your tariff, delivery charges, taxes, tiered rates, or other usage-based charges may affect the marginal price. Fixed monthly charges generally should not be assigned entirely to one charging session; focus on charges that change with the electricity you use. DOE AFDC notes that residential charging costs depend on equipment, time of day, and how long the charging station is used, and that some utilities offer time-of-use rates or other incentives. Check AFDC’s home-charging guidance, then confirm your actual terms with your utility.
For a page-provided comparison rather than a current quote, AFDC gives an illustrative rate of 12.3 cents per kWh and an estimate of $2.46 to add 100 miles of range. The same consumer page estimates that an average all-electric vehicle driven 15,000 miles per year uses around 5,000 kWh annually. These are general examples, not a live tariff or a substitute for your vehicle’s efficiency and mileage. See AFDC’s consumer information.
Include home charging equipment separately
Electricity is the recurring cost; buying and installing home charging equipment is a separate, usually one-time expense. EPA lists planning ranges of $400–$1,000 for Level 2 equipment and $300–$2,000 for installation. These are not guaranteed quotes: equipment features, amperage, panel capacity, distance to the panel, location, and electrical upgrades can change the total. Keep installation costs separate from per-session and per-mile calculations unless you are assessing total ownership cost or payback. EPA’s home-charging guide details the factors.
Rank #3
- WORKS WITH EVERY NON-TESLA EV: Standard J1772 connector plugs straight into Ford, Chevrolet, Hyundai, Kia, Nissan, BMW, Volkswagen, Audi, Rivian, Lucid and every other EV or plug-in hybrid sold with a J1772 port - no adapter needed. Tesla drivers can charge too, using the J1772 adapter that comes with the car.
- PLUG IN, NO HARDWIRING: Level 2 charger delivers up to 40A to fully charge most EVs overnight. Plugs into a 240V, 4-prong NEMA 14-50 outlet (the RV/range type - NOT a dryer outlet) on a dedicated 50A circuit. The extra-long 25 ft cable easily reaches across a garage or driveway. Before ordering, check your car's port type and that you have the right outlet.
- CONTROL & SAVE FROM YOUR PHONE: A stronger built-in antenna keeps the charger online even in a garage or basement. Use the free app to start/stop charging, set speed (6-40A), get reminders, and track energy use and cost. Schedule off-peak overnight charging to cut your electric bill. Requires 2.4 GHz WiFi.
- SAFETY-CERTIFIED & WEATHERPROOF: Independently tested and certified (UL, ETL, FCC, Energy Star). A fully sealed IP66 / NEMA 4 housing stands up to rain, snow, heat and dust indoors or out, and internal steel shielding protects the electronics for years of reliable use.
- GLOW-IN-THE-DARK HOLSTER: The included high-visibility holster glows in the dark so you can find and dock the plug easily at night. Holds the connector securely when not in use.
Choose a setup around your daily use
- Level 1: May use the vehicle-provided cord and an existing 120-volt outlet. Whether it replenishes enough for your needs depends on your driving and available parking time.
- Level 2: Can provide quicker replenishment, but may require dedicated electrical work. Consider your daily mileage, parking time, vehicle’s maximum AC charging rate, cable reach, weather exposure, and household electrical capacity.
EPA’s general planning guidance says a 40-amp Level 2 charger requires a 50-amp dedicated circuit. It recommends an electrician’s assessment and permits or inspection as applicable; do not treat this as DIY wiring advice. Exact requirements depend on the equipment and local rules. Utility, state, or federal incentives may be available, but check current eligibility and terms for your address rather than assuming a rebate applies.
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Start with the rate shown by the charging operator or station, then account for the billing method and any applicable fees. Public charging—particularly DC fast charging—often costs more than home electricity, according to DOE AFDC, but there is no single public price that applies across stations. Rates vary by location, operator, and pricing structure. Some stations may be free. Verify the current price in the operator’s app or at the station before you plug in. AFDC’s consumer page discusses public charging costs.
Per-kWh, time-based, and session pricing
- Per kWh: Multiply delivered kWh by the posted rate. Add any session, parking, or idle fees that apply.
- By time: Estimate charging duration and check whether billing rounds time up or changes with charging power. The vehicle may accept less power than the charger’s maximum.
- Per session: Add the session price and any extra charges shown in the operator’s terms.
- Subscription: Compare the monthly fee plus discounted charging with what you would pay without membership for your expected usage. A membership does not automatically save money.
Payment options can include a credit card, network app, monthly subscription, or Plug and Charge, according to EPA. Check the station and operator for the options available at that location. EPA’s charging guide describes payment methods.
Rank #4
- WORKS WITH EVERY NON-TESLA EV: Standard J1772 connector plugs straight into Ford, Chevrolet, Hyundai, Kia, Nissan, BMW, Volkswagen, Audi, Rivian, Lucid and every other EV or plug-in hybrid sold with a J1772 port - no adapter needed. Tesla drivers can charge too, using the J1772 adapter that comes with the car. The extra-long 25 ft cable easily reaches across a garage or driveway.
- HARDWIRED - PROFESSIONAL INSTALL: This Level 2 charger is hardwired (not plug-in), so a licensed electrician installs it per National Electrical Code. It delivers up to 48A on a dedicated 60A, 240V circuit - enough to charge most EVs fully overnight. Want more speed? You can set DIP switches 4 and 5 to unlock 50A on a dedicated 70A circuit. Before ordering, check your car's port type and that your electrical panel can support the circuit.
- CONTROL FROM YOUR PHONE: A stronger built-in antenna keeps the charger online even in a garage or basement. Use the free app to start and stop charging, set the charging speed (6-48A), get reminders, and track how much energy and money each charge uses. Requires a 2.4 GHz home WiFi network.
- SAFETY-CERTIFIED & WEATHERPROOF: Independently tested and certified (UL, ETL, FCC, Energy Star). A fully sealed IP66 / NEMA 4 housing stands up to rain, snow, heat and dust indoors or out, and internal steel shielding protects the electronics for years of reliable use.
- GLOW-IN-THE-DARK HOLSTER: The included high-visibility holster glows in the dark so you can find and dock the plug easily at night. Holds the connector securely when not in use.
Watch for parking and idle charges
A station may charge for parking or for staying connected after charging finishes. Read posted signs and the operator’s terms, and move the car when charging ends if required. The Australian Government’s charging guide advises checking signage and moving the vehicle to avoid idle fees; it is a useful reminder, not evidence of U.S. fee rules or prices. Fees and policies depend on the operator and jurisdiction. See the Australian Government’s guide.
Charger speed does not determine your bill by itself
EPA describes DC fast chargers as commonly rated from 50 to 350 kW. Your vehicle’s maximum accepted charging speed limits how much power it can take, and charging can slow as the battery approaches full. A higher-power station may save time without lowering the cost: calculate what you owe using the operator’s billing method and the energy delivered, plus applicable fees. EPA explains charging speeds and limits.
Compare home and public charging fairly
Use the same vehicle efficiency and driving distance for each option. Compare the total cost of getting that energy, not just advertised cents per kWh.
Best Value
- [Up to 9x Faster Charging Speed]: Provides up to 46 miles/hour charging speed via hardwired connection (48 amp - up to 9x faster than a standard wall outlet) or up to 38 miles/hour via the NEMA 14-50 plug (40 amp). Professional installation recommended for optimal safety and performance. [Install The Power Outlet Cord]: No smaller than 8AWG if charge 40-48A, we suggest 6AWG cord.(1.The input side is belongs to the electrician electric automobile regulation scope, need to use three 6AWG cable wires for 48A; 2.The charging cable belongs to the automotive connector certification standard, so the 8AWG cable can meet the 48A.)
- [DESIGNED WITH J1772 Connector for All North America j1772 Connector EVs/PHEVs. Not fits for Tesla/Nacs Connector Cars(j1772 to Tesla adapter needed)]: Compatible with Tesla cars (Adapter needed, not included), Ford, GM, Audi, Kia, Honda, Kia, Hyundai, Gmc, Chevrolet Bolt, VW ID 4, Nissan Leaf, Ford Mustang Mach-E, IONIQ 5 2024 and before, BMW i3, i4, iX, Jeep Wrangler 4xe, etc. [Not fits for Nac connector cars-Kia EV6 2025/EV9,Ariya 2025&2025 loniq 5(J1772 to Tesla adapter needed)]
- [Safety & Faster Charging with ETL, FCC, Energy Star Certified]: Meets the Safety Criteria Defined by: SAE J1772, UL2231-1/-2, UL 991, UL 2231, UL 2251, UL1998 and UL 2594. (ETL and FCC certified EV car charger with 3-year Warranty)
- [Plug-play Mode(The Default Setting), Smart Touch Screen, No APP Needed]: Clearly show the charging amperage, charging speed, input voltage, delay time, etc. For the touch buttons: 1. Pull out the charging gun before press the buttons, otherwise no respond; 2. Long press "Ⓐ" or "Time" button to enter the setting interface, then you can adjust the amperage from 16A to 48A freely or Set the charging start time; 3. You can do "factory reset" if doesn't charging.
- [Smart WIFI APP, You can Set the Charging Period]: By APP, you can wirelessly check the charging cost, history, fully-charged notification, track the charging status, during off-peak period, etc. [Wi-Fi Reset/Factory Reset Function, Add New Device Quickly]: If you can't find your device or you have replaced a new phone, just pull out the charging latches, simultaneously long press the Ⓐ button and time adjustment button on the product screen until it shows "Factory Reset", then wait 3-5 seconds and re-start your device.
| What to compare | What to include |
|---|---|
| Energy price | Home marginal rate for the charging hours used, or the public station’s current price and billing method. |
| Additional charges | Relevant delivery charges, taxes, session fees, time-based charges, parking or idle fees, and subscription costs. |
| Driving energy | The vehicle’s kWh per 100 miles and the same assumed distance for each option. |
| Access and time | Whether home or public charging is available when needed, and how the car’s charging limit affects the stop. |
| Home setup | Equipment and installation costs, considered separately for an ongoing-cost comparison or included when evaluating total cost or payback. |
EPA says EV charging is typically cheaper than gasoline, but the comparison depends on electricity and fuel prices. It points to the FuelEconomy.gov fuel-cost calculator for comparisons based on a vehicle, fuel price, driving pattern, and time horizon. Do not assume every EV or every charging session costs less than gasoline.
Gather these figures for your own estimate
- Find your vehicle’s energy use in kWh per 100 miles and, for a full-battery estimate, its usable battery capacity.
- Choose the mileage period you want to estimate: a charging session, month, or year.
- Look up your home’s marginal rate for the hours you charge, including applicable usage-based charges.
- For public charging, check the station’s current price, billing method, payment requirements, and any session, parking, idle, or membership charges.
- Estimate what share of your charging takes place at each location, calculate each share separately, and add the results.
DOE AFDC’s tools directory includes a Vehicle Cost Calculator, charging hub costing tool, station locator, laws and incentives search, and utility-finder resource. These tools can help you locate information; they do not guarantee a particular electricity rate or incentive.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
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