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opinion:frater_secessus:beginner_mistakes [2024/11/26 15:10]
frater_secessus [believing 100w of panel will make 100w all year] 		opinion:frater_secessus:beginner_mistakes [2024/11/26 15:14] (current)
frater_secessus [mounting or deploying tilted panels facing the wrong direction]
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 ==== believing 100w of panel will make 100w all year ==== ==== believing 100w of panel will make 100w all year ====
  
-Solar harvest is greatly affected by the position of the sun in the sky (see above) and how many hours of that sun are available.  A crude generalization is that [[https://mouse.mousetrap.net/blog/2021-12-12-Summer-vs-Winter-solar-harvest-.html|winter harvest will be about half]] of summer harvest.  It may be much less.  [[electrical:solar:pvwatts|Run the numbers for yourself]] so there are no surprises.+Solar harvest is greatly affected by the position of the sun in the sky (see above) and how many hours of that sun are available.  [[https://mouse.mousetrap.net/blog/2021-12-12-Summer-vs-Winter-solar-harvest-.html|Winter harvest will be much lower]] than summer harvest but you'll have to [[electrical:solar:pvwatts|run the numbers for your time/place]] to get specifics.   
 + 
 +Note:  folks who will use the rig year-'round would do well to choose array wattage based on deep winter((typically December in the northern hemisphere)) when yield is lowest.
  
 ==== believing 100w of panel will make 100w in all conditions ==== ==== believing 100w of panel will make 100w in all conditions ====
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 Rules of thumb:   Rules of thumb:  
  
-  * if panels are tilted and won't be repositioned they should face south in the northern hemisphere, and north in the southern hemisphere.  +  * if panels are tilted and won't be repositioned they should face south in the northern hemisphere, and north in the southern hemisphere.  Look up monthly tilt calculator to see how they should be positioned. 
   * if they *will* be repositioned then you have to keep up with the moves or harvest can be worse than just facing south.    * if they *will* be repositioned then you have to keep up with the moves or harvest can be worse than just facing south. 
  
opinion/frater_secessus/beginner_mistakes.1732651821.txt.gz · Last modified: 2024/11/26 15:10 by frater_secessus

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