GenOn Energy, Inc., based in Houston, Texas, United States, is energy company that provides electricity to wholesale customers in the United States. The company is one of the largest independent power producers in the nation with more than 7,000 megawatts of power generation capacity across the United States using natural gas, fuel oil and coal. GenOn Energy was headquartered in the Reliant Energy Plaza in Downtown Houston. The company, formerly known as RRI Energy, acquired Mirant on December 3, 2010. The corporate names and logos of both RRI Energy and Mirant were retired.

Downtown is the largest central business district in the city of Houston and the largest in the state of Texas, located near the geographic center of the metropolitan area at the confluence of Interstate 10, Interstate 45, and Interstate 69. The 1.84-square-mile (4.8 km2) district, enclosed by the aforementioned highways, contains the original townsite of Houston at the confluence of Buffalo Bayou and White Oak Bayou, a point known as Allen's Landing. Downtown has been the city's preeminent commercial district since its founding in 1836.