Electricity is produced by generators, situated either in the engine and boiler rooms, where they are driven by steam turbines, or in generator rooms situated outside the main machinery spaces, where they are driven by diesels or by gas turbines, This differentiation guards against complete failure of electric power should the boilers be put out of action .
Umbane uveliswa zijanareyita, ezibekwe kumagumbi e-enjini okanye kwawezibilisi, apho zilawulwa khona ngumphunga ngoomatshini bokuvelisa umphunga, okanye kumagumbi ejanareyita abekwe ngaphandle kwezona ndawo zingundoqo zomatshini, apho zilawulwa khona ngomatshini bokuvelisa umphunga bedizili okanye aberhasi. Lo mahluko ujongene nemeko apho kuthe kwabakho usilelo olupheleleyo lwamandla ombane nje ukuba izibilisi zingasebenzi.