"Cost/Watt varies widely and you get tired after a while of looking at spec sheet after spec sheet." ...

Rooftop solar as an alternative energy source has been recommended to homeowners for years. It's one of the best ways to cut utility bills, help the environment, and keep your home running through ...

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 ...

How do the two major residential solar installers stack up on equipment, warranties and more? Here's what you need to know. SunPower has been around since the 1980s and, as the exclusive residential ...