Ụlọ ọrụ ígwè na ígwè nke dị n'ebe ugwu na-enwekarị ihe eji agba ọkụ gas ma ọ bụ coal maka ikpo ọkụ, n'ihi obere oge ikpo ọkụ, akụrụngwa ahụ nwere obere awa ojiji n'afọ niile, itinye ego mbụ na gburugburu ebe obibi na akụrụngwa ahụ dịkwa elu. Ntinye nke nchekwa ike nnu gbazere agbaze, ojiji nke obere oge kwesịrị ekwesị nke nnu gbazere agbaze na mgbanwe okpomọkụ gas flue dị ala, iji ikpo ọkụ ndagwurugwu iji nọgide na-enwe nkwụsi ike nke ikpo ọkụ sistemu nnu gbazere agbaze, nwere ike idozi obere arụmọrụ ike nke mmepụta ike okpomọkụ mkpofu dị ala na osisi ahụ dum, ọrụ mmepụta ike steam juru eju adịghị mma, belata ojiji nke boilers ọkụ coal, gas, ma dochie gas na set generator gas dị elu iji mepụta ike, melite arụmọrụ ike nke okpomọkụ mkpofu na ojiji ike mkpofu iji belata ikuku, mụbaa mmepụta ike ụlọ ọrụ mmepụta ihe niile.