NRG Energy, Inc. engages in the production, sale, and distribution of energy and energy services. It operates through the following segments: Texas, East, West/Services/Other, Vivint Smart Home, and Corporate Activities. The Texas segment includes all activities related to customer, plant and market operations in Texas, other than Cottonwood. The East segment engages in all activities related to customer, plant and market operations in the East. The West/Services/Other segment is focused on all activities related to customer, plant and market operations in the West and Canada, and activities related to the Cottonwood facility and other investments. The Vivint Smart Home segment is a smart home platform that provides customers with technology, products and services to create a smarter, greener, safer home. The company was founded in 1989 and is headquartered in Houston, TX.