Electricity supply in Lagos State has been severely disrupted following a major shutdown at the Egbin Power Station and a separate fault on a key transmission line feeding the state
The development was confirmed on Thursday by the Nigerian Independent System Operator, which warned that the dual incidents could trigger extended power shortages across Lagos, Nigeria’s largest electricity demand centre.
According to the report, the crisis began late on April 28 when Egbin Power Station suffered a critical operational failure that forced an immediate shutdown of its generating units. Electricity output reportedly crashed from about 641 megawatts to zero within a short period.
The operator explained that the shutdown was necessary after a malfunction involving the plant’s central compressor and circulating water pump system, which posed safety risks to continued operation.
“The Nigerian Independent System Operator wishes to inform the general public of a significant reduction in power generation currently affecting electricity supply across the country, particularly within the Lagos region.
“At approximately 8:21 p.m. on April 28, 2026, Egbin Power Station recorded a total loss of generation, dropping from about 641MW to zero output.
“This incident was caused by the failure of the plant’s central compressor, in addition to a malfunction of the circulating water pump system, which necessitated an immediate shutdown of all generating units to safeguard the facility.”
The situation was further worsened by an unrelated fault on the Osogbo–Ikeja West 330kV transmission line, a major route used to evacuate electricity into Lagos, compounding the supply shortfall and raising concerns over prolonged blackouts in the state.
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