Electricity FeaturedTCN restores 30MVA 132/33KV transformer in Oghara substationEditorOctober 9, 2018 by EditorOctober 9, 20180611 By Thompson ABISOLA The Transmission Company of Nigeria (TCN) says it has fully repaired the 30MVA 132/33KV power transformer in Oghara transmission substation in Delta. The TCN’s General