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 ...

Energy bills are still stubbornly high, the nights draw in earlier, and the garden feels like it’s slipping into shadow. You want safety along the path, a little glow by the shed, maybe something ...

Some upgrades are simply cheaper to do while your solar system is being installed than they are to add later. We've got prime examples here.