[RE-wrenches] Energy usage for an electric car

[Ray Walters]

Did you mean 0.3 to 0.4 kwh/ mile?

R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760

On 9/27/2013 5:05 PM, toddcory at finestplanet.com wrote:
>
> a good guesstimate is 3 to 4 kWh/mile
>
> todd
>
> On Friday, September 27, 2013 3:05pm, "Ray Walters" <ray at solarray.com> 
> said:
>
> We did a charging station for a Chevy Volt earlier this year.  We 
> actually ran the charger for about a week to come up with the design, 
> based on their mileage ,etc.  This also accounted for battery and 
> inverter losses.  We added about a 3400 w array (off grid) and they 
> drove about 40 miles round trip/ day.  We went with the 120 vac slower 
> charger to keep a slower and more efficient discharge rate of the main 
> system battery.  I believe that charging at slower rates is almost 
> always going to be more efficient due to Puekert's exponent.
>
> R.Ray Walters CTO, Solarray, Inc Nabcep Certified PV Installer, 
> Licensed Master Electrician Solar Design Engineer 303 505-8760 On 
> 9/27/2013 2:20 PM, William Miller wrote:
>
>     Friends:
>
>     Have any of you researched the energy usage for an electric car?
>     The car in question is a Tesla Sedan.
>
>     Thanks in advance.
>
>     William
>
>
>
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