With a market cap of $24.5 billion, First Solar, Inc. (FSLR) is America's leading photovoltaic (PV) solar technology and ...

After federal tax credits for renewable projects expired, joining a solar co-op is one way to save on residential solar.

A 1975 magazine predicted that new cities will rise in the Arizona desert, with "an endless supply" of solar energy. The reality took a different turn. Fifty years ago, solar energy was seen as an ...