Goldman Sachs (NYSE:GS) is investing in a $500 million fund from SolarCity (NASDAQ:SCTY.DL) that will in help the company install 110 MW of solar. This is the latest in a growing trend of big banks betting on solar power. Erin Miller sat down with solar analyst Travis Hoium to see whether this is a big deal or business as usual. 


Erin Miller has no position in any stocks mentioned. Fool contributor Travis Hoium owns shares of SunPower, manages an account that owns shares of SunPower, and has long January 2015 $5, $7, $15, and $25 calls on SunPower. The Motley Fool recommends Goldman Sachs and Wells Fargo and owns shares of Citigroup and Wells Fargo. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.