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 ...

From shopping to generating electricity, the process of getting solar can take months. Here's what'll happen on installation day (and how to prep for it). Most people will need to find an installer to ...

Italian researchers have reviewed different system configurations for photovoltaic-thermal solar-assisted heat pumps in buildings. They say that using the PV-thermal collector as the heat pump’s ...

Many solar systems are still sized for yesterday’s homes. Here’s why EVs, heat pumps, and modern living demand a very ...