What about any regen you used to drive those 50.8 electric miles?Hello all ,
after 2000 mi of battery usage , I am showing avg 5.5 mi per kWh
I owned a fiat 500e that avg 4.4 mi per kwh
I’m hearing Tesla’s run around 4.3
Could it really be that efficient ?
OTOH, the "out" vs "in" proportion is something that's neither changing nor controllable. So the "out" is a valid proxy for "in" unless you think there's electricity evaporating from a puddle in the low spots of the battery housing...I calculate my energy usage based on how much I put IN, not on the display of how much comes OUT, of the battery. Since I pay for what I put in, that's more important to me.
I agree, the OP’s 50.8 electric miles were all battery powered... but what was the "total power out of the battery" that he used to drive those 50.8 electric miles? I suggest it was more than 8.5 kWh.Yes, one can. Whether the miles per kWh going uphill or during acceleration were higher than the m/kWh slowing or going back down doesn't matter. The total miles traveled and the total power out of the battery allow calculation.
Regenerated electricity isn't free. It comes from a loss of altitude and/or velocity either or both of which are obtained by driving upward or speeding up. The 'return' of electric power from regen is from the prior expenditure of energy. The display shows the sum of expenditure and return. Since neither in this instance were obtained from gasoline (see the embedded image in the original post) and presumably not obtained from pushing or towing the Volt, the logical (to me, anyway) conclusion is that the 50.8 miles were all battery powered.
Yes, I want to know how much power the motor used to propel the car those 50.8 ev miles. As you drive, the motor uses grid power from the battery to accelerate and to maintain speed, then some driving condition requires the car to slow, so the car’s kinetic energy is used to crank a generator, slowing the car down and putting power into the battery, and then the motor uses that regen as fuel, too. Efficiency should be a measure of distance driven using both that grid and that regen power. I agree that 8.5 kWh IS the amount of grid power used at that point in time, but "the regeneration power quantity, what ever was accumulated," was also used by the motor to propel the car those 50.8 ev miles. How much total power did the motor use? I don’t think we know how to calculate that number.Do you want total power out of the battery, separate and without the total power regeneration put back into the battery?