Home Charging Costs

[energicar]

Trying to find out what it is costing others to charge their vehicles at home using the 110 volt charger that came with the car.

[murphy]

How long does it take to charge the car?

 

120 volts times 12 amps times the time in hours divided by 1000 equals the number of kWh used.

 

Multiply the kWh by your cost for a kWh to get the cost for you.

 

My cost would be meaningless to you since my cost for a kWh of electricity is less than 1 cent.

[jsamp]

Trying to find out what it is costing others to charge their vehicles at home using the 110 volt charger that came with the car.

 

You have to factor in the charging losses to find the true cost.  Unless you have a meter like a Kill-A-Watt on the plug you are using, you won't know exactly what you are paying, though you can guess pretty close.  There is a loss of ~28% when charging on 110V that affects how much you pay. 

 

For me, 5.4kWh/72%*25¢per kWh = $1.87 per charge.  That is just using the plug-in portion of the battery.  If you are charging from deep into hybrid territory, it will be more, which is where a meter would give you a more accurate reading.

 

YMMV

Edited September 11, 2019 at 05:14 AM by jsamp

[K22]

Trying to find out what it is costing others to charge their vehicles at home using the 110 volt charger that came with the car.

 

Hi, from Montreal here.  I have a level 2 charger so I can't answer your question about 110V charger, but I know before I had my level 2 installed, it was using a bit more electricity using the 110V charger that came with my car.   I know because we have the "smart" meter here so I can check my home electricity consumption by the hour.   (Unfortunately the detailed hourly breakdown won't let me go back 2 months prior, so I could not check for sure how much more it was using.  I guess-timate about 10-15% more).

 

So right now, my electricity comes to about 8.2¢ per kwh.  And I value charge my car from 2am-5am, and I use about 8 to 8.5 kwh more electricity during this period, so I assume this is how much kwh I use to charge my car (from empty to full charge, 2019 model).   So it costs be about 65 to 70¢ per night to charge my car.   Or about $20 a month.

 

I used to fill up my previous car (a small SUV), about $60 a week, or $240 a month.  Now I fill up once a month, so $60 + $20 more for electricty = $160 savings a month.   This is the summer rate though.  We'll see this winter.