There are four types. What's right for you can depend on a lot of factors. Some or all of the mortgage lenders featured on our site are advertising partners of NerdWallet, but this does not influence ...

Solar energy is gaining popularity as a renewable power source for homes and businesses worldwide. At the heart of this technology are solar panels, which come in four distinct varieties, each with ...

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 ...