Thursday, April 2, 2009

Track a PV System in Action with Live Data

Robert Brown, a retired Information Technology person, and his wife have used solar water heaters for fifteen years or more. In November of 2007 they installed a 4.4 KW Photovoltaic system on their home. He has kept detailed daily data on the system and has developed a pretty good feel for the practicality of solar as an energy source. Their house is over 40 years old and does not have a particularly efficient envelope. Even so, since start up they have averaged almost 41 percent of our energy from solar. That is not counting the solar water heating. Visit his website at http://www.bbbrown.com/ and you can track their solar output at http://bbbrown.mysolarlog.com/ .

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