[RE-wrenches] Evergreen
Dana Orzel
dana at solarwork.com
Wed Dec 30 08:27:27 PST 2009
This is for a grid tied with battery backup Outback system.
The 32% increased gain for the tracker VS. fixed mount production is an
average of the last 180 days and I checked it in the spring for the last 180
days [over the winter] and it was 33%. The 12 - Evergreen 180 watt modules
produce about 65 -70% of our home and office's electrical requirements.
Thanks,
Dana Orzel
Dana,
That 32% is a very useful number, and it matches with our experience as
well. But I need to verify a couple of assumptions, please:
Does this represent average annual production, rather than peak seasonal?
And is it a grid-tied system?
Thanks,
Allan
Allan Sindelar
Allan at positiveenergysolar.com
NABCEP Certified Photovoltaic Installer
EE98J Journeyman Electrician
Positive Energy, Inc.
3201 Calle Marie
Santa Fe, New Mexico 87507
505 424-1112
www.PositiveEnergySolar.com <http://www.positiveenergysolar.com/>
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