NRG Energy is one of the largest retail energy providers in the us, with 6 million customers. Vivint Smart Home, which NRG acquired in 2023, has 2 million home services customers. NRG also is one of the largest us independent power producers, with 13 gigawatts of coal, gas, and oil power generation capacity primarily in Texas. NRG exited Chapter 11 bankruptcy as a stand-alone entity in December 2003.