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| Panel angle http://solar-guppy.com/forum/viewtopic.php?f=3&t=456 |
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| Author: | Mikey D [ Wed Aug 23, 2006 5:38 pm GMT ErdGMT ] |
| Post subject: | Panel angle |
I live near phoenix (33 deg lat) and have a 4/12 pitch roof that faces due south (yea!) The pitch is around 18 degrees. If I flat mount the panels to the roof I'll be out 15 degrees or so from optmum. Is this OK or should I raise the rack to get em at the optimum angle. How much power will I lose if it is off by 15 degrees? Thanks again! Mikey |
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| Author: | Solar Guppy [ Wed Aug 23, 2006 5:46 pm GMT ErdGMT ] |
| Post subject: | |
very little , as you will be closer to the optimum angle for the summer months, which the days are the longest meaning more power generation maybe a 5-10% hit for winter months, but percentage wise you will be fine assuming this is for gridtie |
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