NRG Park (formerly Reliant Park and Astrodomain) is a complex in Houston, Texas, USA, named after the energy company NRG Energy. It is located on Kirby Drive at the South Loop West Freeway (I-610). This complex of buildings encompasses 350 acres (1.4 km2) of land and consists of five venues: Carruth Plaza, NRG Stadium, NRG Center, NRG Arena and the Astrodome.
The complex hosts many sporting events and conventions each year, the largest of which are the Houston Texans games, the , and the Grand Prix of Houston.
The complex is served by the Reliant Park Station, a light rail station on the Red Line of the METRORail light rail system. It also includes one of the world's largest parking lots (holding 26,000 total) and sees nearly 750 events yearly. Until 2005, the lot also served as a parking lot for Six Flags Astroworld, which has since closed.
NRG Stadium, home to the Houston Texans and the Houston Livestock Show and Rodeo, was also the home of Super Bowl XXXVIII (held February 1, 2004), where the New England Patriots defeated the Carolina Panthers 32-29 and where Janet Jackson's Super Bowl XXXVIII halftime show controversy took place. NRG Stadium hosted WrestleMania XXV on April 5, 2009 with a sellout attendance of 72,774 and a live gate of $6.9 million.
The stadium was the first NFL stadium with a retractable roof and natural grass. The stadium can be configured to utilize a 125,000-square-foot (11,600 m2) space for general session, catered functions, exhibits, concerts, and much more. In addition, NRG Stadium offers four massive concourse levels for special events. The design of the stadium roof provides a very flexible rigging configuration for major audio and visual presentations. 200 suites complement NRG Stadium.