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 ...

California is the latest state to pass a law making it easier to install balcony-friendly solar panels. Renewable energy experts think the new technology is about to take off.

A wind solar hybrid system can look reassuringly complete in a diagram: solar panels beside a wind turbine, arrows leading to ...