Ryan Mayfield led an informative discussion on the history of the NEC PV Hazard Control System rules and the latest changes to the UL 3741 standard.

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 ...

Solar can cut utility bills and carbon footprints, but be sure you can afford the installation and have the right roof. Some or all of the mortgage lenders featured on our site are advertising ...