Have You Ever Wondered How a Solar Consultant Designs Your Grid-Tied PV System?
This video from Solar Surge is a training class on how to use solar PV design software to design a clients grid tied PV system. It demonstrates on the software exactly how to get and input the correct information to properly size your system.
Solar Surge
https://www.youtube.com/watch?v=-3jRqcX9dkY&t=2454s
GBA Detail Library
A collection of one thousand construction details organized by climate and house part
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In a 1hr. video the parts showing and discussing the solar design software total about five whole minutes. Fully 15min are spent discussing the importance of getting copies of the customer's electric bills.
If you want to see solar design software in action, this video is a near total waste of time.