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Google: Estimating Solar Installations



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Use Google Earth to Size Your Solar System

Using Google Tools for Estimating Solar Installations Tutorial




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Google Estimating Solar Installations




Want to know how much solar you can get on your roof without breaking out the ladder and tape measure? Google Earth is the perfect tool for estimating how much solar you can get on your roof. And, best of all, from the comfort of your desktop of laptop. I have used Google Earth along with Google Sketchup to produce very accurate reports for companies and municipalities that wanted to know EXACTLY how many Photovoltaic panels they could get on their rooftop or vacant land.

How accurate is this? I was talking on the phone one day with a PV installer that happened to mention he had just got back from sizing a solar system for one of his clients. He was telling me that he is getting too old to be going up and down the ladders all the time just trying to get information to bid out a PV system. I thought this was a perfect time to test my system. I asked him what the address was of the building he had just measured. While he was still on the phone, I looked up the address and measured off the roof space, did a little math and said,” It looks like you can get 52 KW on that roof.”

He came back with “What? Have you already put a bid in on this building?” He had come up with 51.6KW. He worked directly on the roof using his measurements. I was in my office using a satellite through Google Earth. WAIT! There is more to read… read on »



Google Estimating Solar Installations


Solar Energy installations Estimating
Soalr energy heat transfer

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