Well we know that a 1400 W charging rate (factory EVSE) is less efficient than a 3300 W charging rate. (Level 2 EVSE) In other words, you will use more kWh to fill up the battery.
Originally Posted by nater
What would the efficiency be for a 700 watt charge? Well, assuming a 10.8 kWh charge at 720 W you're looking at 15 hours minimum. I'd guess closer to 18 hours factoring in charging losses.
06/20/12 - ordered/deposit on 2013 Volt - Blue/Black Cloth/Comfort/Safety 1&2/Nav/Bose
08/14/12 - 3800 - Order produced
09/13/12 - 5000 - Delivered to dealership! VIN: D7585
After 8 months of ownership: (average commute is 100 km / 62 mi one way)
33,750 km total / 16,600 km electric / 17,150 km gas / 3.8 L/100km
21,000 mi total / 10,300 mi electric / 10,700 mi gas / 62 mpg
Estimated fuel savings vs. my truck: $7500