My Tesla Model S recharges overnight in my garage. Solar panels on the roof of my home generate credits I can sell to PSE&G, the public utility, through a middleman. By VICTOR E. SASSON EDITOR Last week, I deposited a check for $2,250 for 10 solar credits -- enough money to cover my home electric bill and recharging my Tesla Model S in 2015. I sold the credits, called Solar Renewable Energy Certificates, to PSE&G, the public utility in northern New Jersey, through a company called NJSREC.com. The utility can buy certificates from homeowners and businesses, and count them toward its obligation to generate clean, renewable energy. Two systems I have two solar-panel systems, the first installed in 2009 under a state rebate program, and a second from 2012 under a loan from the utility. I get to keep and sell the solar certificates from the first, and the proceeds aren't taxable. The 10 I just sold represent about a year's generation -- one for every megawatt of energy prod...