Ojiji nke eriri ọkụ malitere ihe karịrị otu narị afọ. N'afọ 1879, onye America na-emepụta ihe bụ TA Edison kechie jute n'akụkụ mkpanaka ọla kọpa, tinye ya n'ime ọkpọkọ ígwè, wee jupụta ya na ngwakọta asphalt iji mepụta eriri. Ọ rụnyere eriri a na New York, na-asụ ụzọ nnyefe ike n'okpuru ala. N'afọ na-eso ya, onye na-emepụta ihe nke Britain bụ Callender chepụtara asphalt{6}}akwukwo ekwo ekwo{7}} eriri ọkụ nwere mkpuchi. N'afọ 1889, onye Britain na-emepụta ihe bụ SZ Ferranti, tọgbọrọ eriri mmanụ 10 kV{13}} - nwere mgbochi n'etiti London na Deptford. N'afọ 1908, UK rụchara netwọk USB 20 kV. A bịara na-ejikarị eriri ọkụ eme ihe n'ọtụtụ ebe. N'afọ 1911, Germany rụnyere eriri voltaji - dị elu 60 kV, na-akara mmalite nke mmepe nke eriri voltaji - dị elu. N'afọ 1913, onye Germany na-emepụta ihe bụ M. Hochstedt mepụtara usoro - eriri igwe, bụ nke mere ka ikesa ọkụ eletrik dị n'ime eriri ahụ wee wepụ nrụgide tangential n'elu mkpuchi mkpuchi, na-akara akara dị ịrịba ama na mmepe nke eriri ọkụ. N'afọ 1952, Sweden tinyere eriri 380 kV ultra{31}} dị elu n'ụlọ ọrụ ọkụ ọkụ ya nke dị n'ebe ugwu, bụ akara ngwa mbụ nke eriri ultra{32}} dị elu. N'afọ ndị 1980, 1100 kV na 1200 kV ultra{37}}ọkụ ọkụ dị elu ewepụtala.
