As of right now, the New Jersey Devils are on a goalless streak on their power plays. They have not scored on the power play in their last seven games. They have had seventeen opportunities in those seven games. They have not scored on any of them. They have not scored on a power play since the overtime period on January 2, 2016. John Moore scored this goal to win the game (video from NHL.com):
That was a nice goal. Shame we haven't seen any more on man advantages since.
Needless to say, if the team made a resolution to make the most out of man advantage situations, then they haven't been following it.