October 1-3, 2008 Washington, DCOctober 13-16, 2008 San Diego, CANovember 19-21, 2008 Boston, MAMarch 27-29, 2009 Portland, ORApril 1-2, 2009 Atlantic City, NJMay 8-10, 2009 Dallas, TXMay 11-16, 2009 Buffalo, NYJune 10-11, 2009 Long Beach, CA |

This 10 kW PV rooftop system at the Sand Hill Energy Center in Austin supplements power to
the office building.

83kW rooftop commercial solar installation in San Diego.

Solar thermal collectors at the Sand Hill Energy Center in Austin collect heat energy from the sun
that is used to power an absorption chiller in the summer, a heating system in the winter, and hot
water for the building.
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