> Our concern, of course, is the "state of the industry" of currently
 > available 1 kW power supplies.  Of major concern in the demand a customer
 > would put on such a device; does an owner of such device constantly demand
 > 1 kW or does power use vary during the day??  I suppose an owner of 
 > a private home might vary his/her demand, while a filming expedition, for 
 > instance, might need to constantly demand 1 kW.
 >      Criticisms I've heard from one person on gas powered 1 kW supplies:
 > noisy, fumes, the trouble of transporting gasoline.  Our device is 
Paul,
 Thanks for the background, it's obvious that you're well beyond the Home 
Power Magazine stage of things. :-)
It should be obvious that a private home would have widely varying demands 
through the day, going from a peak of several KW down to nearly nothing. Your 
proposed system, if capable of handling the peak loads, could actually 
satisify a large percentage of American home's needs. One KW for 24 hours/day 
is 720 KWHR/month. I believe that that would take care of my usage if it 
weren't for all the computers here. That would include an electric dryer, but 
no water heater.
Your storage scheme is probably a bit more expandable to take care of 
extended cloudy periods. Good monitoring would allow severe cutbacks in usage 
in order to make it through those times instead of using a fuel-powered 
generator. You'd be well-advised to spend some time with a calculator, 
though, if economics had to enter the picture. Most AE storage is quite 
expensive, and is the REAL bugaboo. It's not much of a problem to put up big 
PV arrays, but installing the amount of storage to make it stretch for the 
non-sunny parts of the day makes things complex and expensive.
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