CNN: Imagine outfitting your house with small, affordable solar panels that plug into a socket and pump power into your electrical system instead of taking it out. That’s the promise of a Seattle, Washington-based start-up that is working to provide renewable energy options — solar panels and wind turbines — for homes and small businesses. The panels cost as little as $600 and plug directly into a power outlet. The company, Clarian Power, aims to be the first to bring a plug-in …