What Is A POWER PLAY in Hockey? A hockey power play occurs when one team gets a penalty and gives an advantage in the number of players to the opposing team. Power plays maybe two (minor penalty) or four (double-minor) or five hours (major penalty) in length. In most cases, the teams could have the advantage of two players at any moment. The penalty is automatically … [Read more...] about What Is A POWER PLAY in Hockey? How Does It Work?