Solar power has grown rapidly in the U.S. over the past two year, helped by the expansion of residential leases and massive solar farms. But for the market to continue to grow soft costs need to come down, financing options need to open up, and government policy needs to be consistent to attract investors. Solar analyst Travis Hoium covers three keys to the industry's growth in the video below. 

Fool contributor Travis Hoium manages an account that owns shares of SunPower and personally owns shares and has the following options: long January 2015 $5 calls on SunPower, long January 2015 $7 calls on SunPower, long January 2015 $15 calls on SunPower, long January 2015 $25 calls on SunPower, and long January 2015 $40 calls on SunPower. The Motley Fool has no position in any of the stocks mentioned. Try any of our Foolish newsletter services free for 30 days. We Fools may not 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.