Solar power is becoming more cost effective by the day, and some of the biggest companies in the U.S. are buying into its potential. Wal-Mart (NYSE: WMT ) , Costco (NASDAQ: COST ) , and Apple (NASDAQ: AAPL ) are now three of the biggest corporate solar installers in the U.S., and they continue to build more solar every year.
How can investors play this? SolarCity (NASDAQ: SCTY ) and SunPower (NASDAQ: SPWR ) are the two biggest players in commercial solar, with SolarCity partnering with Wal-Mart and Apple using SunPower's technology. Erin Miller sat down with solar analyst Travis Hoium to learn more about this trend in the solar industry.
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