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Posted by News on June 13, 2008, 1:57 pm
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Pete Granzeau wrote:
>
>
>>>>What's the relationship cost per kWh power : cost per mile driven?
>>>
>>>I calculated the gas/electric equivalency at my off-peak rate a few
>>>years ago when the first plug-in Prius modifications became available.
>>>At my rate, which has since seen a slight increase, it was equivalent to
>>>70 cent/gallon gas. Since my electricity comes from coal I expect the
>>>cost to increase dramatically over the next couple of years but even if
>>>it doubles it will be equivalent to $1.40/gallon gas. My present
>>>off-peak rate is .043/kwh. My electric co-op says they will "work with
>>>me" on configuring my off-peak system to accommodate a plug-in vehicle
>>>since there aren't any on their network now.
>>>
>>>The maximum all-electric range at the time I looked into this was 40
>>>miles but I'd guess a practical range would be closer to 30 miles.
>>>There wouldn't be a big advantage to a traveling salesperson who drives
>>>200 miles a day since there wouldn't be an opportunity to recharge.
>>>Someone with a 30 mile or less round trip commute would save a bundle at
>>>my current off-peak rate since they could recharge regularily.
>>>
>>>
>>
>>Our 24 hour rate (no off-peak metering) is $0.198 per kWh (and going up
>>with NatGas), so sounds as if this translates to $3.50/gallon (and going
>>up). Not so compelling here.
>
>
> I don't believe it is possible to calculate the cost of electricity.
Trust me. I can read my bill and do the math.
> The rates change in summer, to start with.
Not here, but even if so, so what?
Gasoline rates change in the northern hemisphere summer (go up) too.
> Furthermore, there is a fixed charge for connection, and the rates
> depend on how many kwh are consumed each month (so much for the first
Yes, and integrating, you get a bill, and do the math.
It's not rocket science.
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