Compared to the returns of the Alerian MLP Index (^AMZ) and the S&P 500, Plains All American Pipeline (NYSE:PAA) did not have a great year. In this video, Fool contributor Aimee Duffy explains why, despite its unit price performance, Plains was one of her favorite energy stocks this year. Aimee also gets into why she thinks its performance will improve next year, citing the partnership's joint venture with Enterprise Products Partners (NYSE:EPD) as an example of just one contributing factor.

Fool contributor Aimee Duffy has no position in any stocks mentioned. Fool contributor Tyler Crowe owns shares of Enterprise Products Partners. The Motley Fool recommends Enterprise Products Partners. 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.