Igwe ihe eji emepụta ọkụ eletrik na-ezo aka na sistemụ mmepụta ike nke na-ejikọta isi mmalite ike abụọ ma ọ bụ karịa iji mepụta ọkụ eletrik. Isi mmalite ndị a nwere ike ịgụnye isi mmalite ike mmeghari ohuru dị ka ike anyanwụ, ifufe, ma ọ bụ ike hydroelectric, yana igwe ihe eji emepụta mmanụ ọkụ ọdịnala ma ọ bụ batrị.

A na-ejikarị ihe ndị na-emepụta ihe eji arụ ọrụ ngwakọ eme ihe n'ebe dị anya ma ọ bụ n'ebe dị anya ebe ohere ịnweta grid ike a pụrụ ịtụkwasị obi nwere ike ịdị oke ma ọ bụ na ọ dịghị adị. A pụkwara iji ha na sistemụ jikọtara grid iji gbakwunye isi mmalite ike ọdịnala ma melite ike zuru oke.

Otu ihe dị mkpa e ji eme usoro mmepụta ike sitere na ngwakọ bụ mmepụta ike anyanwụ nke na-ekpo ọkụ, nke na-eji ikike ịkpụcha elu nke mmepụta ike fotothermal dị mma ma jikọta ya na isi mmalite ike ndị ọzọ dịka ike ifufe na fotovoltaics iji mepụta ngwakọta kachasị mma nke ifufe, ìhè, okpomọkụ na nchekwa. Ụdị sistemụ a nwere ike idozi nsogbu enweghị nha anya nke mmepụta ike n'oge oke na ndagwurugwu nke oriri ike, melite arụmọrụ ojiji ike, melite ogo ike ọhụrụ, melite nkwụsi ike nke ike mmepụta ike, ma melite ikike nke sistemụ ike iji nabata ike ikuku na-adịghị agbanwe agbanwe, ikike mmepụta ike fotovoltaic, wdg. na uru zuru oke nke ike mmeghari ohuru.

Ebumnuche nke ihe na-emepụta ihe na-emepụta ihe na-agwakọta ihe bụ iji uru nke ọtụtụ isi mmalite ike mee ka arụmọrụ, ntụkwasị obi, na ịdịgide dịkwuo mma. Dịka ọmụmaatụ, site na ijikọta panel anyanwụ na ihe na-emepụta ihe na-emepụta ihe na dizel, sistemụ ngwakọ nwere ike inye ike ọbụlagodi mgbe anyanwụ ezughị, na-ebelata ịdabere na mmanụ ọkụ na-esi n'ọkụ ma na-ebelata ọnụ ahịa ọrụ na mmetụta gburugburu ebe obibi.

Sistemụ mmepụta ike ngwakọ gụnyekwara ngwọta mmanụ na ngwakọ, ngwọta anya na ngwakọ, ngwọta eletriki na ngwakọ, wdg. Na mgbakwunye, ihe nrụpụta ngwakọ nwere injin ọkụ dị n'ime ụlọ na moto eletriki, a na-ejikwa ụdị sistemụ a nke ukwuu n'ụgbọala na ụgbọ ala ndị ọzọ.