What you pay to charge a Tesla depends on where you charge and what electricity costs in your area

Charging a Tesla at home on your household electricity costs between 3 and 5 cents per mile in most of the United States, though this varies by region and your local utility rates. Charging at a public fast charger (Supercharger or third-party network) costs between 25 and 50 cents per mile. The difference matters: a 200-mile trip costs roughly $6 to $10 at home, but $50 to $100 at a public fast charger. Your actual cost depends on three things: your local electricity rate, the efficiency of your car, and where you're charging.

Understanding these costs helps you decide whether to charge at home, use workplace charging, or rely on public networks. It also shows you why most Tesla owners do most of their charging at home—the math is dramatically different.

Key Takeaways

  • Home charging costs roughly $0.03 to $0.05 per mile because residential electricity is cheaper than public fast-charging rates.
  • Public Superchargers and third-party fast chargers cost $0.25 to $0.50 per mile, making them suitable for road trips rather than daily charging.
  • Your actual cost per mile depends on your local electricity rate, which varies by state and utility company.
  • Time-of-use rates from your utility can cut home charging costs by 30 to 50 percent if you charge during off-peak hours.
  • Charging speed affects cost: slower charging at home is cheaper per kilowatt-hour than fast charging, which carries network fees.

Home charging costs and how to calculate them

To find your home charging cost, you need two numbers: your electricity rate in cents per kilowatt-hour (kWh) and your car's efficiency in miles per kWh. Your utility bill shows your rate; a Tesla's efficiency is shown in the car's display and ranges from 3.5 to 4.5 miles per kWh depending on the model and driving conditions.

The math is straightforward: divide your electricity rate by your car's efficiency. If you pay 14 cents per kWh and your Tesla averages 4 miles per kWh, you pay 3.5 cents per mile. If your rate is 18 cents per kWh, that same car costs 4.5 cents per mile. Regional variation is real—electricity in Louisiana averages around 10 cents per kWh, while California and Massachusetts run 18 to 22 cents per kWh. That means the same Tesla costs roughly half as much to charge in Louisiana as in Massachusetts.

Most home charging happens on a Level 2 charger (240-volt), which adds 25 to 30 miles of range per hour. A Level 1 charger (standard 120-volt outlet) adds only 2 to 3 miles per hour and is rarely practical for daily use. Installing a Level 2 charger at home costs $500 to $2,500 depending on your electrical panel and whether you need an electrician to run new circuits.

Public fast-charging networks and their per-mile cost

Tesla Superchargers and third-party networks (Electrify America, EVgo, Chargepoint) charge by the minute or by the kilowatt-hour, and rates vary by location and time of day. Supercharger rates typically range from $0.25 to $0.50 per kWh in the United States, though some locations charge more during peak hours. At $0.40 per kWh, a Tesla that uses 0.25 kWh per mile costs 10 cents per mile—still higher than home charging but lower than the per-mile cost suggests because fast charging is less efficient (some energy is lost as heat).

The real cost of public fast charging appears when you calculate the full trip. A 300-mile road trip using Superchargers might cost $75 to $150 depending on the route and current rates. The same trip charged at home would cost $9 to $15. This is why Superchargers make sense for occasional long trips but not for daily commuting.

Pricing on third-party networks varies widely. Some charge per minute (which penalizes slow charging at the end of a session), others charge per kWh, and some use membership models with monthly fees. Checking the network's app before you plug in shows you the exact rate for that location and time.

Time-of-use rates and off-peak charging savings

Many utilities offer time-of-use (TOU) rates that charge less per kWh during off-peak hours—typically late evening, night, and early morning. Off-peak rates can be 30 to 50 percent lower than peak rates. If your utility offers TOU rates and you can charge your Tesla between 9 p.m. and 7 a.m., you can cut your home charging cost significantly.

For example, if your peak rate is 20 cents per kWh and your off-peak rate is 12 cents per kWh, charging overnight saves you 8 cents per kWh. Over a year of daily charging, that adds up. Most Tesla owners with TOU rates set their car to charge after a certain time in the evening, letting the utility's cheaper hours do the work while they sleep.

Not all utilities offer TOU rates, and some charge a higher base fee if you enroll. Check your utility's website or call their customer service to see what options are available in your area. Some utilities also offer special EV rates that are cheaper than standard residential rates but require you to charge during specific windows.

Workplace and public Level 2 charging

Workplace charging is often free or very cheap because employers subsidize it as a benefit. A Level 2 charger at work adds 25 to 30 miles per hour, so an 8-hour workday can add 200 miles of range. If your workplace offers this, it effectively eliminates your charging cost for commuting.

Public Level 2 chargers (at shopping centers, parking garages, and municipal lots) typically cost $1 to $3 per hour or $0.15 to $0.30 per kWh. Because Level 2 charging is slow, you're usually parked for 2 to 4 hours, making the total cost $2 to $12 per session. This is cheaper than fast charging but more expensive per mile than home charging, and it's useful mainly when you're already stopped for another reason (shopping, dining, appointments).

Comparing total ownership costs: charging versus gasoline

A Tesla charged at home costs roughly $0.03 to $0.05 per mile in electricity. A gasoline car averaging 25 miles per gallon costs about $0.12 to $0.16 per mile in fuel (at $3 to $4 per gallon). Even accounting for higher electricity rates in expensive regions, home-charged Teslas cost 60 to 75 percent less per mile than comparable gasoline cars.

The savings grow if you charge during off-peak hours or have access to workplace charging. Over 150,000 miles (a typical vehicle lifespan), a Tesla charged at home in an average-cost region saves $9,000 to $15,000 in fuel costs compared to a gasoline car. In high-cost electricity regions, the savings are smaller but still substantial.

Maintenance costs also favor electric vehicles—no oil changes, spark plugs, or transmission fluid. Brake wear is reduced because regenerative braking captures energy instead of wearing friction brakes. These factors make the total cost of ownership lower for a Tesla than for most gasoline cars, even before accounting for any incentives.

Factors that affect your actual charging cost

Your car's efficiency changes with temperature, driving style, and road conditions. Cold weather reduces range by 20 to 40 percent, which means you use more energy per mile. Highway driving at high speeds is less efficient than city driving. Tire pressure, aerodynamic drag, and even the weight you're carrying affect how many miles you get per kWh.

The charger itself matters too. A Level 2 charger is more efficient than a Level 1 charger. Fast charging generates heat, which means some energy is lost and doesn't go into the battery. Charging to 100 percent is slower and less efficient than charging to 80 percent, which is why many owners stop there for daily use.

Your utility's rates can change seasonally or annually. Some utilities charge more during summer (air conditioning season) and less during winter. Others have raised rates in recent years as demand for electricity has grown. Checking your bill once or twice a year keeps your cost estimates current.

Frequently Asked Questions

Is it cheaper to charge a Tesla than to fill up a gas car?

Yes, significantly. Home charging costs roughly $0.03 to $0.05 per mile, while gasoline at $3 to $4 per gallon costs $0.12 to $0.16 per mile for a car that gets 25 mpg. Even in high-cost electricity regions, home-charged Teslas cost less than half as much per mile as gasoline cars.

How much does it cost to charge a Tesla at a Supercharger?

Supercharger rates vary by location and time but typically range from $0.25 to $0.50 per kWh. For a Tesla that uses 0.25 kWh per mile, that works out to roughly $0.06 to $0.12 per mile—still more expensive than home charging but reasonable for occasional road trips.

Can I save money by charging at night?

Yes, if your utility offers time-of-use rates with lower off-peak rates. Off-peak rates are often 30 to 50 percent cheaper than peak rates. Setting your Tesla to charge after 9 p.m. or during other off-peak windows can cut your charging cost significantly over time.

What's the difference between Level 1 and Level 2 home charging?

Level 1 uses a standard 120-volt outlet and adds 2 to 3 miles per hour—too slow for daily use. Level 2 uses a 240-volt charger and adds 25 to 30 miles per hour, making it practical for overnight charging. Level 2 installation costs $500 to $2,500 but pays for itself through lower charging costs within a few years.

Does charging speed affect how much I pay?

Slower charging is more efficient—you pay less per kWh. Fast charging generates heat, which wastes some energy. However, public fast chargers charge by the minute or kWh, so the per-mile cost is higher regardless of efficiency. For daily charging at home, slower overnight charging is cheapest.