Abaguquli bamandla be-oyile bafaneleka ngokukodwa kubasebenzisi abanotshintsho olukhulu ekusebenziseni umbane, njengamashishini amashishini kunye nemigodi, ukuguqulwa kwegridi yamandla asemaphandleni. Ngokwezinto ezingundoqo, abaguquli beoli banokuthi bahlulwe kwi-Amorphous Alloy Oil-immersed distribution transformer kunye ne-Silicon Steel Sheet Oil Immersed Transformer.