CenterPoint Energy, Inc. is a holding company, which engages in the business of power generation and distribution. It operates through the following segments: CenterPoint Energy, Houston Electric, and CERC. The CenterPoint Energy segment consists of electric transmission and distribution services in the Texas gulf coast area in the ERCOT region and electric transmission and distribution services primarily to southwestern Indiana and includes power generation and wholesale power operations in the MISO region. The Houston Electric segment consists of electric transmission services to transmission services customers in the ERCOT region and distribution services to REPs serving the Texas gulf coast area. The CERC segment covers the Restructuring consisting of intrastate natural gas sales to, and natural gas transportation and distribution for residential, commercial, industrial and institutional customers in Indiana, Louisiana, Minnesota, Mississippi, Ohio and Texas, and permanent pipeline connections through interconnects with various interstate and intrastate pipeline companies through CEIP. The company was founded in 1866 and is headquartered in Houston, TX.