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 ...

After spending over $700 a month on electricity, I decided to build my own solar system. A company had quoted me $90,000 for a smaller installation, which wasn't feasible. Through research, I ...

What if you could harness the power of the sun to generate your own energy—right in your backyard? Imagine a system so efficient it could heat water, power small appliances, or even serve as a backup ...

Plug-in solar uses microinverters to feed power into a household system. So far, in the US, only Utah has passed legislation to allow such systems. These systems cost about $2,400 and will take years ...

Plug-in solar systems are an alternative to large, professionally installed rooftop solar. The US regulatory system for utilities wasn't built for plug-and-play solar setups, so it's taking time for ...

Somewhere between 5% and 7% of U.S. households have rooftop solar panels. Many more Americans want them, but high costs, building locations and landlord restrictions are key obstacles. As someone who ...