Iji gboo mkpa ọkụ eletrik maka mmepe na-adịgide adịgide nke akụ na ụba China na ọha mmadụ, State Grid Corporation nke China, nke echiche sayensị nke mmepe na-eduzi, na-ebute ebumnuche ebumnuche nke iwusi steeti steeti ike na netwọkụ voltaji dị elu dị ka. isi si n'ọnọdụ nke imeziwanye ikike nke na-ebuli oke nke mba ike akụ na-ewu a nchekwa-gbakwasara ọha mmadụ.Uhv ike okporo e ji ogologo anya, ala ọnwụ na nnukwu ikike transfer.It bụ nke ukwuu pụtara maka China ike ụlọ ọrụ. imezu ihe ohuru ohuru nke onwe, meziwanye ike nke ike na iji ihe eji eme ihe ma kwado mmepe mmepe nke obodo aku na uba. Nke a bu nnukwu oru ngo a choro n'ihi onodu a na-adighi n'usoro nke ikesa ike na mmepe aku na uba na China.

Ọ na-ghọtara na ọtụtụ n'ime China ike akụrụngwa dị n'ebe ọdịda anyanwụ, mgbe ọkụ eletrik ina na-lekwasị n'ebe ọwụwa anyanwụ. The ẹdude ike okporo bụ tumadi esịnede 500 kV AC na mma na-adịghị mma 500 kV DC usoro, na kasị anya ike nnyefe anya. bụ 500 km, nke na-egbochi ike nnyefe ike na nha nha. Ogologo nnyefe nke uHV ike grid nwere ike iru 1,000km na 1,500km, nke nwere ike ime ka ọkụ eletrik dịkwuo mma maka mmepe akụ na ụba. Mgbe emechara grid uHV, arụnyere ike ọgbọ ike ga-ebelata site 20 nde kilowatts, na coal oriri maka ike ọgbọ ga-ebelata site 20 nde tọn kwa afọ, na keukwu ọkụ eletrik na-azọpụta arụmọrụ ga-eru n'elu 100 ijeri kilowatt awa kwa year.Uhv ike okporo nwere ike akụ. ike oke na atụmanya mmepe sara mbara.