[RE-wrenches] Energy usage for an electric car

[toddcory at finestplanet.com]

whoops... i think so. thanks for the correction!
 
todd
 
 
 
On Friday, September 27, 2013 4:32pm, "August Goers" <august at luminalt.com> said:




Here's a good place to go to find mileage:
 
[http://www.fueleconomy.gov/feg/Find.do?action=sbs&id=32557] http://www.fueleconomy.gov/feg/Find.do?action=sbs&id=32557
 
38 kW-hrs/100 mi for the Tesla Model S. 
 
Todd, isn't your estimate below off by a decimal?
 
Best,
 
August 
 
From: [mailto:re-wrenches-bounces at lists.re-wrenches.org] re-wrenches-bounces at lists.re-wrenches.org [mailto:[mailto:re-wrenches-bounces at lists.re-wrenches.org] re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of [mailto:toddcory at finestplanet.com] toddcory at finestplanet.com
Sent: Friday, September 27, 2013 4:06 PM
To: RE-wrenches
Subject: Re: [RE-wrenches] Energy usage for an electric car
 
a good guesstimate is 3 to 4 kWh/mile
 
todd
 
 
 
On Friday, September 27, 2013 3:05pm, "Ray Walters" <[mailto:ray at solarray.com] 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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