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 ...

Some or all of the mortgage lenders featured on our site are advertising partners of NerdWallet, but this does not influence our evaluations, lender star ratings or the order in which lenders are ...

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 ...