On 9/27/12 3:10 PM, Charles P. Steinmetz wrote:
Chris wrote:
In another post you mentioned $0.21/kWH (you must be in California?), so
adjust all of these by a factor of 2.625 for your location -- but I
think the service rates in most of the US are closer to ours than to
yours).
A lot of areas have tiered rates. The "base" tier might be <$0.10/kWh,
and the average might be in the $0.10-0.15 range (most of the US is in
that range).
However, in this application, you should be looking at the marginal
rate.. what does the "next" kWh cost, and in a tiered environment that
can be pretty pricey (0.34/kWh for me in Southern California, last
month, because it was hot).
Throw in time of use metering and it gets more complex. (and worth it to
charge a battery at night and disconnect from the line during the day).
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