The State Grid Corporation of China was founded on December 29, 2002, when the restructuring divided the former State Power Corporation of China into two grid companies, five generation groups and four accessorial business companies.
State Grid Corporation of China blev etableret 29. december 2002, da restruktureringen delte det tidligere State Power Corporation of China i to elforsyningsselskaber, fem kraftværks-koncerner og fire øvrige selskaber.