Renney was hired the Edmonton Oilers' associate coach on May 26, 2009, and was promoted head coach on June 22, 2010, succeeding Pat Quinn. On May 17, 2012, the Edmonton Oilers announced that his contract for the 2012-2013 season will not be renewed. He is now an assistant coach with the New York Rangers. He previously served as the head coach of the Calgary Flames from 2006 to 2009. During his time at the helm, he compiled a record of 136-170-26 (.476). He led the team to the playoffs in both his seasons with the club, including being awarded the third seed in the Western Conference with 42 points en route to winning the draft lottery. However, they were defeated by the San Jose Sharks in seven games. Prior to joining the Flames, Renney had been the head coach of the Washington Capitals from 2002 to 2005. During his time with the Capitals, he posted a record of 75-77-12 (.507). He also led the team to the playoffs in each of his seasons with the club. But, they were eliminated by the Tampa Bay Lightning in six games. In 2001-2002, he was the first American-born coach of the NHL's Montreal Canadiens. He led the team to a 40-33-7 record before being fired after losing four straight games to close out the season.