Forbes contributors publish independent expert analyses and insights. Dianne Plummer is the Lead Consultant of STEM Spark Solutions. Rooftop solar has become one of the fastest-growing clean energy ...

Despite what your TV listing says, it isn't always sunny in Philadelphia -- or anywhere else. That means your solar panels won't always be soaking up the sun's rays. Solar panels are rapidly growing ...

Despite political and regulatory challenges, California continues to lead the U.S. in solar energy adoption, with commercial ...

Solar panels can save you money on your electricity bills, but how much do they cost, and are they worth the investment? Read below to know. The average solar panel price per watt in the US is $3.56, ...