Each seat in the Y cabin has EmPower between the seats. So on the AB/FG sides, there is one plug per seat set. In the center section there are two per seat set. In F they are at every seat. I personally use the iGo system for traveling, and find that it works very well.

Here is some more information from Delta:
http://www.delta.com/traveling_check...vity/index.jsp

And Welcome to FlyerTalk Wolvy96!