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You're right that 3KW isn't enough to meet peak demand of the typical American house. But these systems aren't ideally suited for that. Partly because solar/electric systems cannot produce power "on demand" (and no power at night), they work best when they're on the grid. In that configuration, 3KW is more than enough for the average household to come out ahead (selling more power back to the utility than they buy).
"The average household in the United States uses about 8,900 kilowatt-hours of electricity each year." In California, the average is 8,500 (see references below). Dividing that by 365, then by 24, you get about 1 KW.
References:
"Electrical Energy." The New Book of Popular Science. 2000 edition. Grolier Incorporated, 1998.
http://marinsolar.com/content/view/26/26/#ResFAQS5 - Posted by: jfinlayson Posted on: 10/30/06 You are currently: a Guest | Members login | Terms of Use
Stirling Engine
agc | 10/25/06
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Not very effective
frgough | 10/25/06
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I don't agree
Qbt | 10/25/06
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One large solar farm is not reality
felix52 | 10/26/06
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BINGO!
Linux User 147560 | 10/26/06
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and at night?????
gudy | 10/30/06
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SW US Solar Farms
Peopleunit | 10/27/06
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Algae references
jfinlayson | 10/30/06
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Solar
3D0G | 10/25/06
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Although it is perfectly possible to do that
Qbt | 10/25/06
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Thanx for the info
3D0G | 10/25/06
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As to your points...
Qbt | 10/25/06
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I found a link talking about salt
Qbt | 10/25/06
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couple of points
bruce_mcculley@... | 10/25/06
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Agree
Qbt | 10/25/06
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Huh?
Qbt | 10/25/06
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not a typo
jfinlayson | 10/30/06
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100..150 kwH /month is enough for good living
gudy | 10/30/06
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One point a lot of people overlook
Linux User 147560 | 10/25/06
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One part of the need
aussiedawg | 10/26/06
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What would it be worth to you..
SolarUser | 10/26/06
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The goal FWIW (for what its worth)
Peopleunit | 10/27/06
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Herin lies the problem...
SolarUser | 10/31/06
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What do you think?
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