State and local governments can expand access and slash electric bills by simplifying slow, expensive permitting processes.

European firm Roofit.Solar launched in the US with its first integrated solar roof installation on a Michigan home.

Lopsie Schwartz was looking for ways to lower her energy bill when the solar panel salesman knocked on her door in Northridge. Already a believer in green power, she didn’t take much convincing. But ...

Australia leads the world in rooftop solar penetration. More than four million homes now generate power from their own roofs, ...

For many homeowners, installing rooftop solar panels seems like a smart idea to reduce electricity bills, but the upfront cost and installation complexity ...

"You need to speak to several contractors before making a final selection," said Michael Trahan, a solar energy expert.

Add Yahoo as a preferred source to see more of our stories on Google. Two years after slashing compensation for rooftop solar owners who send power back to the grid, California policymakers are once ...