is the , having overtaken the in 2011 after rapid growth since the early 1990s. In 2021, China produced 8.5 (PWh) of electricity, approximately 30% of the world's electricity production. Most of the electricity in China comes from , which accounted for 62. .
China began an initiative to reform the country's power sector in a three-stage process in 1986. In the third and final stage in March 2002 the put into effect a plan to restructure the country's electric power system in order to create competition and separate generation and transmission functions. The State Grid Corporation of China was founded on December 29, 2002, when the restructuring divided the former State Power Corpora. China today operates on two wide area synchronous grids: the State Grid in the North and China Southern Power Grid in the South.
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