HelioPower will participate in the Sustainability Fair Presented by the Center for Sustainable Energy, California in San Diego.   The event showcases energy efficiency, water conservation, renewable energy and other green products and services for both residential and commercial properties.  The commercial day is Thursday, August 6 from 9:00 a.m. – 4:00 p.m.  The residential day is Sunday, August 9 from 10am to 5pm.