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 much that back-side production helps depends a lot on the surrounding surface.

Compact solar panels designed to plug into a standard outlet from a balcony or apartment deck are closer than ever to reaching U.S. consumers at scale. Yet as these systems gain traction, electric ...