Not only are the Oilers faltering at even strength and on the penalty kill, their power play ranks 23rd in the league at a miserable 14.46% - good for bottom 20 in the NHL since the lockout. The blame can be placed directly on the first power play unit, as Ales Hemsky and Dustin Penner are scoring at about half of their career rates on the power play. It's not just luck, either - the chances for with a man advantage have dried up.
Hemsky's chances for per fifteen minutes of power play time is last among regular forwards.
The Oilers are only using three regular defensemen on the power play.