Figuring out worst case electric bill increase
According to my Columb CT500 EVSE I have used 200 kWh AC from 4-11 to 5/5. My total electricity rate 14.5/kWh. So my increase in electricity cost is 200*0.145 or $29. Over the last 30 days myvolt.com says that went 746 electric miles in the last 30 days.
If you only charge at home once per day you can estimate what the volt will add to your bill pretty easily. Its simply be kWh to charge an empty battery * 30 * cost/kWh. The total kWh of AC needed to charge from empty is either 13kWh for the included 110 EVSE or 12kWh for an extra cost 220 EVSE.
So in my case my max electricity bill cost increase would be 12kWh/day * 30 days/month * $0.145/kWh = $52.2
2012 Volt owner on 2/28/12
as of 1/28/13: 8,158 EV miles - 11,090 total miles
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