Longhorn Solar to Unveil "Bonus Solar Rebate" Program for Austin Home & Garden Attendees That Stop by Booth #6 and Participate in a Free Solar Analysis to Learn How Much Money Solar Can Save AUSTIN, TX--(Marketwire - Jan 10, 2012) - Austin Energy customers that want to learn how much solar electricity their rooftops will produce are encouraged to stop by Longhorn Solar's Austin Home...