Solar stocks have been incredibly volatile recently, but SunPower (NASDAQ:SPWR) has outperformed rivals, at least on a relative basis. The reasons it has done better on the market come down to its fundamental advantages, like better technology, a more conservative balance sheet, and a more diverse set of customers. 

The slideshow below highlights why SunPower is a top solar stock today and why it will keep outperforming splashier rivals. 

Travis Hoium owns shares of SunPower. The Motley Fool owns and recommends SolarCity. 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.