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 ...

Flat roofs are traditionally sites for sprawling, low-built solar arrays meant to maximize energy output within the ...

Mike Summers was eager to install solar at his home in Ohio for years, and after he finally replaced his aging roof this year, his solar contractor swung into action. His system — including 19 panels ...