Fledermaus
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Thu Jan-13-11 08:47 AM
Response to Reply #13 |
| 23. Solar Radiation for Flat-Plate Collectors Facing South at a Fixed Tilt, Uncertainty +- 9% |
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Its better to use real data then make up a capacity factor. Solar Radiation Data Manual for Flat-Plate and Concentrating Collectors http://rredc.nrel.gov/solar/pubs/redbook/PDFs/CO.PDF http://rredc.nrel.gov/solar/pubs/redbook / |
| -Typical U.S. Homes Reduce Their Energy Bills Most Significantly With Rooftop Solar Energy Systems |
jpak |
Nov-11-10 09:16 AM |
#0 |
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??? |
phantom power |
Nov-11-10 09:42 AM |
#1 |
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i had the exact same thought |
AlecBGreen |
Nov-11-10 01:13 PM |
#4 |
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edit: correction, it appears they are. I don't see how a 2kw system can provide... |
joshcryer |
Jan-12-11 12:36 AM |
#8 |
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dupe |
joshcryer |
Jan-12-11 12:43 AM |
#9 |
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$10,000 3 kw rig at 20% capacity factor here in Colorado: |
joshcryer |
Jan-12-11 01:52 AM |
#13 |
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Solar Radiation for Flat-Plate Collectors Facing South at a Fixed Tilt, Uncertainty +- 9% |
Fledermaus |
Jan-13-11 08:47 AM |
#23 |
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Amazing that this is getting unreccs |
Lorien |
Nov-11-10 11:31 AM |
#2 |
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Get a bad reputation people unrec regardless. |
joshcryer |
Jan-12-11 12:44 AM |
#10 |
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A company that makes solar equipment has a study that says solar is good. |
OnlinePoker |
Nov-11-10 11:42 AM |
#3 |
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The source document is not very comprehensive, but that doesn't mean it's innacurate. |
joshcryer |
Jan-12-11 12:45 AM |
#11 |
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Kick |
kristopher |
Jan-11-11 04:12 PM |
#5 |
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How can you tell if a solar panel is working by taking its temperature? |
Fledermaus |
Jan-11-11 05:46 PM |
#6 |
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lets not mention the 30 large it costs |
Confusious |
Jan-11-11 11:38 PM |
#7 |
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They're assuming $5.50 a watt, which is actually higher than it is here... |
joshcryer |
Jan-12-11 12:45 AM |
#12 |
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Overestimate, I think |
quakerboy |
Jan-12-11 10:05 AM |
#14 |
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That doesn't change the cost, it just means taxpayers are picking it up. |
phantom power |
Jan-12-11 10:25 AM |
#15 |
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Ok. but be fully fair about it |
quakerboy |
Jan-12-11 08:56 PM |
#19 |
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Tax payers are going to pay for fossil fuel use, eventually. |
joshcryer |
Jan-13-11 02:10 AM |
#21 |
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Average American home uses twice that 4Kwh |
Confusious |
Jan-12-11 11:02 AM |
#16 |
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Cutting ones energy cost in half is significant, no? |
quakerboy |
Jan-12-11 08:52 PM |
#18 |
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Rooftop solar is a good thing, if you can afford the upfront costs |
txlibdem |
Jan-12-11 12:25 PM |
#17 |
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The key is the phase "Since the mid 1980s". |
happyslug |
Jan-12-11 11:24 PM |
#20 |
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The numbers are definitely off, and payback time is going to be into 15 years, but it's promising. |
joshcryer |
Jan-13-11 05:44 AM |
#22 |
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