What Does It REALLY Cost To Charge That New EV In Your Driveway?

What Does It REALLY Cost To Charge That New EV In Your Driveway?
What does it cost to drive electric? An in, real cash money, day in and day out?

That's a big question for car buyers considering taking the route (currently) less traveled and giving an electric vehicle (EV) a go. With electric cars (and soon: pickup trucks) gaining in popularity and more models on the way from more carmakers, it's a question a whole lot more people will soon be asking as well.

Ignoring, for now, the "environmental" costs and the time costs, just what's the actual cost out of pocket to charge up, say, a 2018 Tesla Model S 100D (no, not the P100D, that's a different car) with a 100kWh battery?

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atc98092atc98092 - 6/6/2019 11:50:41 AM
+2 Boost
That chart appears fairly accurate, although cost per kWh will vary widely by area. I pay two rates, a lower rate until I reach a certain level, then a slightly higher rate for the remainder of the month. My higher tier is just under 11 cents before taxes. I don't have any time of day rates available, so I charge every time I park at home.

While I haven't had an electric bill since I bought my Niro, I calculate I pay less than $1 (maybe 70 cents) every time I fill the battery from "zero" (it's really about 20% SOC when the range says zero). That $1 gets me 25-30 miles of EV driving. So far on this tank of gas, I've driven over 650 miles, and the dash display reads 190 MPG. I've used under 1/4 tank of gas. To say I'm pleased is an understatement.


SanJoseDriverSanJoseDriver - 6/7/2019 12:47:52 AM
0 Boost
Highly, HIGHLY unlikely.

1.) Gas comes from a limited resource mostly controlled by a Cartel. Electricity comes from multiple sources and it is possible to generate your own.
2.) You can fuel an EV in a garage, you can't do that with an ICE car. The stations can never be that much more expensive than charging at home.
3.) There are many free stations all across the US that are offered as incentives for people to patronize those locations. In Silicon Valley, it is offered as an employee perk. I charge for free every day at work and the stations there are highly utilized.

With renewables coming of age, I would expect the cost per kilowatt to actually drop over the next 10-30 years.


TruthyTruthy - 6/6/2019 2:47:41 PM
0 Boost
Why would you be tracked every time you charge up?


FoncoolFoncool - 6/6/2019 3:24:36 PM
+4 Boost
You’re kidding right? Did you seriously think the government was going to not replace the revenue they lost from the gasoline tax they are no longer receiving?


atc98092atc98092 - 6/6/2019 4:28:05 PM
+1 Boost
Unless they add a GPS device to your car (which SCOTUS says is illegal without a warrant) they can't/won't "track" you. They might track your miles driven, and some states are moving in that direction anyway. Some say it's a more fair way to charge a road tax, rather than a flat fee. There's some truth to that, but I think in most locations that won't be acceptable for the time being.

And if I'm charging at home, there's no way that can track that unless I have a completely separate electric line in place for charging, or some sort of smart EVSE that can track and report the amount of kWh I've used and require a mileage input to use. In that case they better plan on paying for everyone's EVSE.

But in my case, since it's a PHEV, I'm still paying gas tax on the amount of gas I do buy. So being charged the same EV fee as a full electric isn't a fair way for me to pay my share of road fees.


rockreidrockreid - 6/6/2019 4:51:42 PM
+3 Boost
In my Model 3, I barely even notice there are such things as gas stations anymore. It’s as if they don’t even exist.

Note to self...do not invest in a gas station anytime soon.


ColMosbyColMosby - 6/6/2019 4:52:48 PM
+1 Boost
Govt will have to tax EVs, and tax them more heavily than lighter weight, less destructive gas powered cars. The obvious method is simply to record the odometer readings during inspections. It doesn't really matter how much of your mileage is out of state for Fed road tax, and the state road taxes won't make a distinction of mileage within and without state boundaries.
As far as power costs - you realize that putting 100KWhrs in your battery requires mor than 100KWhrs from the power line - there are significant losses.



atc98092atc98092 - 6/6/2019 6:26:34 PM
+3 Boost
Significant, no. Of course there are losses. But how much loss of energy is there from every gallon of gas you burn? Most gas engines are at most 30-35% efficient, meaning you've lost 65-70% of the potential energy in that gallon of gas. Plus, electricity is less expensive than gas, and can be renewable. Most electric motors are around 90% efficient. Yes, there are additional losses in the transmission lines, but the total loss is nowhere near the lost efficiency of the gas engine. I believe I read the total losses combined with an EV puts the efficiency around 75-80%, more than double the gas engine. And we haven't even touched about the drilling, extraction and refining energy losses that come with petroleum.


SanJoseDriverSanJoseDriver - 6/7/2019 12:51:58 AM
+1 Boost
The latest motor in the Model 3, S, and X is 94% efficient I believe. Also the Model 3 weighs about the same as a BMW 3-series and will get lighter over time, especially with semi-solid state batteries coming out next year. The Y should be even more comparable weight-wise to an ICE SUV.


skytopskytop - 6/7/2019 2:14:43 AM
+1 Boost
The Fed and the states are moving rapidly to begin taxing all EV owners. They will no longer get a pass on paying their fair share of road taxes and fuel taxes. The EV 'good times' are over.


rockreidrockreid - 6/7/2019 9:34:43 AM
+1 Boost
Electricity from Renewables is the future, plain and simple.

http://helioscsp.com/the-average-cost-of-electricity-declined-26-year-on-year-for-concentrated-solar-power-csp/

By the time my Tesla Model 3 is 10 years old I will basically be driving for almost free. Minus insurance of course. Thanks, Tesla.


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