The NRG Center is a convention center in Houston, Texas, United States. It is part of the NRG Park complex that was constructed around the NRG Astrodome and NRG Stadium. The NRG Center hosts various events year-round, including portions of the Houston Livestock Show and Rodeo, who maintains its offices on the second floor of the building. The grand opening of the facility was on April 12, 2002, with the Houston Auto Show.