My 5.4 kwh system is up and running. Took the drone up for an aerial shot and realized its a great tool to show shading issues. Though I don't have much for shading issues I thought I would share the picture. This was taken just before sunset and my panels are facing SW at 230 degrees. solar.JPG
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Using a drone to analyze shading issues.
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Not exactly facing South?
When we were designing our house, we were under the impression that it was extremely important to determine exact South and face everything in that direction.
Now years later, it seems that nobody pays any attention.
Nice photo
4400w, Midnite Classic 150 charge-controller. -
to get perfect alignment (as is obvious on the satellite view. However I have found the iron stakes and that
won't be repeated. Bruce Roe
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Well it is important to determine true south, and best production rates/$$ invested is usually equator facing, but absolute equator facing is not, nor ever never was, cast in stone. Lots of modifiers from application to latitude and other stuff like T.O.U. rates/tariffs etc. will make a bit off south about as useful or maybe more so. Seems today most folks can't even tell you which way is south, which may be why no one pays much attention any more.Comment
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[QUOTE=J.P.M.;n349867]Location and time when the photo was snapped will be needed.[/QUOTEI
In CT around 7 pm.
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[QUOTE=BFW577;n349883]It is indeed a lovely photo, but for any quantitative use, more information is necessary. For example, the date will also be needed. Roof slope also. Butch Deal is probably better equipped to comment than I am.Comment
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[QUOTE=J.P.M.;n349893]We have been able to use drone photos to help with obstructions. But as pointed out drone photos like this are nearly useless alone. We have seen drones that take directed LiDAR which is very useful but very expensive. Aurora can do far more with its imagery and models than plane drone photos. But drone photo with aurora can help with obstructions. We prefer people to actually measure the locations of the obstructions thoughOutBack FP1 w/ CS6P-250P http://bit.ly/1Sg5VNHComment
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[QUOTE=ButchDeal;n349897]
We have been able to use drone photos to help with obstructions. But as pointed out drone photos like this are nearly useless alone. We have seen drones that take directed LiDAR which is very useful but very expensive. Aurora can do far more with its imagery and models than plane drone photos. But drone photo with aurora can help with obstructions. We prefer people to actually measure the locations of the obstructions thoughComment
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Out here, southwest is actually the preferred orientation due to time-of-use pricing and June gloom (which burns off by 11am.)Comment
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Tried to explain that it then proceeds to head up and to the south but he wanted solar on the north side of his home. I said we can't do that, it would be terrible for our guarantee and he started yelling about how he couldn't believe all the installers are like me and can't understand how the sun rises and sets in the north around his house. He is just going to have to install it himself.
I just can't believe how this guy that I found out works in sales in utility scale solar can't understand, and how many installers has he had the same conversation with?OutBack FP1 w/ CS6P-250P http://bit.ly/1Sg5VNHComment
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We had an install in southern CA with a homeowner how "knew solar" and "worked in the field (of solar)". He insisted that we install on the north side of his home because "the sun rises in the north and sets in the north in his latitude". I tried to explain the sun path and sent several 3D graphics explaining, when he cut me off one time explaining that he leaves his house as the sun is coming up in the morning and it shines in his window from the north...
Tried to explain that it then proceeds to head up and to the south but he wanted solar on the north side of his home. I said we can't do that, it would be terrible for our guarantee and he started yelling about how he couldn't believe all the installers are like me and can't understand how the sun rises and sets in the north around his house. He is just going to have to install it himself.
I just can't believe how this guy that I found out works in sales in utility scale solar can't understand, and how many installers has he had the same conversation with?
Aside from this place, I generally keep my mouth shut about R.E./solar because it seems everyone who ever read an article or got a pitch about solar is an instant expert who knows more than I do.
"Experts in the field" are often no better in my experience, sometimes knowing facts that may or may not be correct, but often lacking the knowledge to decipher the reality from the B.S. and seeing no need to question things. I absolutely believe your related experience. I may even know the guy, or at least someone in a similar place both mentally and employmentwise.Last edited by J.P.M.; 05-15-2017, 07:17 PM.Comment
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