San Rafael California based solar installation company Real Goods Solar has a sweepstakes going on for homeowners who live in California and Colorado. The company says the winner will receive a free solar electric system with a retail value of $30,000 and up to 4 kilowatts DC. It's a full service installation and all the permits, design, engineering, installation and rebate paperwork will be done by the company. Open to homeowners who live in California and Colorado only! Sweepstakes closes on September 15th 2010 at 6pm PST. Here are the Official Free Solar Electric System Sweepstakes Rules . Here's the Sweepstakes Form.