Area Electricity Board (AEB) Hyderabad was one of the eight AEB's constituted through amendments in WAPDA Act during 1981. Later on Government of Pakistan approved revamping of WAPDA power sector in April 1998, resultantly twelve corporate entities were formed, Eight Distribution Companies (DISCOs), one National Transmission and Distribution Company (NTDC) and three Generation Companies (GENCOs). Now one more GENCO has been established. All these companies have been incorporated under Companies Ordinance 1984