cost per kWh [RE-wrenches]
Don Loweburg, Offline
i2p at aol.com
Sat May 31 13:45:31 PDT 2003
In a message dated 05/30/2003 1:25:35 PM Pacific Daylight Time,
billb at endecon.com writes:
> I think the correct method is to use watts and an appropriate adjustment
> factor rather than amps.
>
Here's a seat of the pants estimating method I use for sizing battery
systems. Crude but comes closer than most of us would wish for stand alone systems.
Multiply STC array watts X Peak Sun hours - divide by two= AC KWH/day.
Don
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