Forbes contributors publish independent expert analyses and insights. Dianne Plummer is an Energy Consultant and Certified Energy Manager. Rooftop solar has become one of the fastest-growing clean ...

Ever take a look at a solar panel system and think to yourself: I could build that. The truth is that you probably can. Building a cheap, solar panel system is a fun project to take on that if done ...

If you've ever looked at your energy bills and thought, "Why am I paying all this money when there's literally free energy beaming down from the sky?", well, you've got a point. While solar panels ...