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How Much Does It Cost to Charge an Electric Car?

prospective electric car owners got tantalum know, “ Will my electric bill go through the roof when I charge at home ? ” After all, you ’ re plugging a barrage literally the size of a Volkswagen into your house, so it must make the electric meter spin like when Clark Griswold plugged in a million strands of Christmas lights, right ?
well, an EV can become one of the power-hungriest things attached to your house, but don ’ t forget that your gasoline budget will probably go down at least vitamin a much, and possibly well more. How much extra an electric fomite will increase your electric bill depends on many factors, but fear not : It ’ mho easily determined and probably won ’ thymine solution in the double or triple of the average electric bill .
Related: 5 Things That Could Slow Your EV’s Home Charging Speeds

How Much Does It Cost to Charge an EV at Home?

To get a crude estimate of how much an electric car will increase your monthly electric bill, you need to know the comply :

  • Number of miles driven per month
  • Efficiency of the EV measured in kilowatt-hour per mile, found on gov
  • Local cost per kWh, measured in cents

flush then, price will vary based on other factors, but we can get you in the ballpark. Electricity consumption is measured in kWh, as opposed to gallons of gasoline in a traditional car. A kWh is a quantity you should be familiar with if you ’ ve always looked at your family electric bill. To get an accurate cost per kWh, take the overall cost of electricity on your last bill and separate by kWh used, which will take into consideration all fees and charges that come with delivering electricity to your home. The end phone number should look something like $ 0.1375, or 13.75 cents per kWh, which is the last reported national residential average from December 2021, according to the Energy Information Administration. To account for month-to-month changes in the electric rate or other charge variations like metering or fees, you might want to do the like calculation for a few unlike monthly electric bills to get a more accurate average .
With the know cost of department of energy, we can figure out how much it costs to charge a popular EV like the Tesla Model Y Long Range All-Wheel Drive. This model is rated by the EPA to use 28 kWh to travel 100 miles, which works out to 0.28 kWh per mile if you move the decimal fraction two places. From hera, you can multiply the consumption of 0.28 kWh per mile by how many miles you drive per calendar month to see full kWh pulmonary tuberculosis. In this appraisal, the EPA includes vehicle consumption deoxyadenosine monophosphate well as charging losses ; there are energy losses when taking might from the grid and transferring it to the battery, so you ’ re paying more than merely what the cable car is using. Driving 1,000 miles per month ( a decent round total we ’ re using for easier visual image ), you ’ five hundred take 0.28 kWh x 1,000 miles to get an overall consumption of 280 kWh, then multiply that by the rate of $ 0.1375 per kWh to get the full cost of $ 38.50 for a Model Y Long Range AWD to drive 1,000 miles per month. Voila !

Factors That Could Increase Your Monthly Electric Bill

An extra $ 38.50 per month to charge an electric car at family would be a 33 % increase on the average electric charge, according to stats from the Energy Information Administration. Less than $ 40 to drive 1,000 miles is impressive, but that could increase or decrease depending on how much you drive, american samoa well as if you live in an sphere with costlier or more low-cost electricity rates. In California, the average kWh rate was 23.76 cents in November 2021, which would raise the monthly monetary value to $ 66.53 per month with all other factors remaining the like .
A less effective EV could besides cost more to drive. An EV rated with lower efficiency like the Audi E-Tron Quattro at 0.43 kWh per mile ( versus 0.28 kWh of the Model Y ) would increase the monetary value from $ 38.50 to $ 59.13 based on the national median because it uses more energy to travel the same distance .
The above examples are best-case scenarios, meeting EPA-rated efficiency. In reality, EV efficiency changes based on the conditions in which you drive ( vehicle load, natural elevation changes, temperatures ) good like in a regular gas-powered cable car .

How Much It Cost to Recharge Our Tesla Model Y

We purchased a Model Y Long Range in November, and our entire agitate costs of $ 183.90 to travel 2,011 miles paints a less fortunate, though more realistic, mental picture of how much it costs to recharge an EV, including DC fast charging for long-distance drives. In our beginning four months of ownership, we spent an average of $ 45.98 per calendar month, which is cheeseparing to the human body estimated above — but it was based on 503 miles per calendar month, only half the miles in the estimate. In reality, our cost was more than double the estimate. Why the deviation ? Our 505 miles included some more expensive DC fast blame ( Tesla Supercharging ), plus department of energy losses from home appoint. We saved a sawhorse or two from the casual Level 2 spare charger at retail stores, which typically paid entirely for the short travel .
About 1,300 miles of our 2,011 miles spent drive has been fueled by home charge at a monetary value of $ 79.21, and the bulk of our Supercharging costs ( $ 104.69 ) came from roughly 700 miles on a single road trip that took four stops at Superchargers. Our long-run Model Y has besides been by and large driven in cold weather with patronize cabin precondition ( plugged and unplugged ) ; that shows in its efficiency, averaging 31.2 kWh per 100 miles ( or 0.312 kWh per mile ), which is more energy to travel the like distance compared with the EPA denounce of 28 kWh per 100 miles ( 0.28 kWh per nautical mile ) .
Looking at our home-charging efficiency besides tells us where some of the costs have gone. Charging efficiency is the measurement of the total energy used in the charge work versus energy added to the battery — ideally, 100 % with no losses to heat or battery condition — but has ranged from 69 % to 96 % for longer charges according to the TeslaFi data lumberman we use to record all load sessions.

What that means is during family charge we ’ ve used 672 kWh of energy to fill the car ’ s battery with 547 kWh, or an extra 127 kWh plainly to facilitate charge, which comes out to $ 17.46 at the average kWh cost. DC fast charging has proven a more efficient charging method with the five total sessions ranging from 97 % -100 % efficiency, which isn ’ triiodothyronine surprising because converting dwelling AC to DC onboard the vehicle to charge the barrage constantly represents department of energy loss. But fast charge comes with its own cautions about battery health and monetary value .
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How Much It Costs to DC Fast-Charge an EV

DC debauched charging can eat away at electric potential fuel savings, costing more than double or triple that of home commit. note that “ fast charging ” is quick proportional to home tear but still doesn ’ thymine hail anywhere close to the expedience of filling up an internal-combustion vehicle at a gas station. Our stance is that Level 2 home charge is best suited for EV possession and fast blame should be reserved for road trips or emergencies .
Tesla Supercharger bill rates vary by placement, and in our experience by and large throughout Illinois, we ’ ve been billed 30-37 cents per kWh using Tesla ’ s 150- or 250- kilowatt Superchargers ; a kilowatt is the meter of power and charging speed potential. Our Model Y ’ s most expensive Supercharger fill-up monetary value $ 19.72 ( including taxes ) to add 69 % to its battery capacity ( from 26 % to 95 % ) and 235 miles of range in 49 minutes ; see what we mean about fast charging not being deoxyadenosine monophosphate fast as filling up ? Along with the charger itself, charging focal ratio depends on ambient weather conditions, vehicle conditions and the battery ’ mho state of charge, typically slowing as the state of charge reaches 80 % ; that meant holding out for 95 % because we were on the road and needed maximum range .
In Illinois, Electrify America bills 43 cents per kWh for guests and 31 cents per kWh for pay members ; EVGo bills between 22 and 29 cents depending on membership status ; those billing rates can change based on location. not all DC fast chargers are created equal, as charger travel rapidly can vary from 24 kW to 350 kW, and not all cars are compatible with the fastest speeds or come close to their marketed capability in rehearse ( but that ’ s another fib ). The comparison is to 14 cents per kWh at home for a maximum 19.2 kilowatt tear travel rapidly. Often, though, automakers offer limited complimentary DC fast consign, by years or with a kWh cap .
Tesla Superchargers and other fast-charging networks like Electrify America and EVGo beak by kWh whenever possible, but you may besides be billed by the infinitesimal depending on state regulations. According to Electrify America, “ We believe pricing on a per-kWh basis offers a fair and coherent charging feel to EV drivers. We are working with regulators to follow the respective processes that are required for us to provide EV charging on a per-kWh basis. ”
entirely using DC fast chargers when it ’ s not complimentary — as with our Model Y — would shrink cost savings versus charging at home. frequent DC flying charge is besides not recommended as it can degrade battery health more quickly. entirely Supercharging would cost $ 84 to drive a Model Y 1,000 miles at $ 0.30 per kWh, versus $ 39.54 at home, using EPA compound efficiency figures .

Electricity Vs. Gasoline Costs

When charging at home, EVs are more low-cost to refuel versus comparable gasoline cars, but don ’ thyroxine confuse that with electric cars being immediately cheaper to own because, at the consequence, the extra expense related to buying an EV and installing home-charging equipment doesn ’ deoxythymidine monophosphate make a quick wages a certain count. relative to your existing electric bill, charging an EV could mean a astute increase, but in most cases, the monetary value is well lower than fueling a gasoline-powered car. The Department of Energy says on average, it costs approximately half as much to drive an EV versus a comparable accelerator car .
Editor’s note: This fib was updated March 11, 2022, to clarify that the EPA ’ s consumption estimates include charging losses.

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