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 ...

Some upgrades are simply cheaper to do while your solar system is being installed than they are to add later. We've got prime ...

Switching to solar energy is a major financial commitment and, if you’re like most homeowners, you’ll want to know how long it will take to recoup your investment. This average recovery time, called ...

With professional installation, a typical 8-kilowatt residential solar panel system in Missouri costs $21,109. That price drops to $14,776 after the full 30% federal solar tax credit. How much you ...