- One generator tripped, causing system-wide crash,
- Restoration began 25 minutes after incident,
- Full investigation now underway,
A generator failure on Wednesday triggered another national grid collapse, plunging parts of Nigeria into darkness.
According to reports by Eko Hot Blog, the power outage hit key cities like Lagos and Abuja, disrupting businesses, households, and public services. The blog emphasized how repeated grid failures are affecting national productivity and citizens’ confidence in the power sector.
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The Nigerian Independent System Operator (NISO) disclosed that the collapse occurred at exactly 11:20 a.m. when a generating unit tripped. This sudden imbalance caused a chain reaction, forcing other power plants offline and crashing the grid.
However, by 11:45 a.m., efforts to restore supply had already begun, with Abuja being the first to regain electricity through the Shiroro power station.
The Federal Government said a technical team is now probing the root cause of the incident. While the initial trigger has been identified, further checks are ongoing to determine why the failure spread so rapidly across the entire network.
This marks at least the third major grid collapse in 2025 alone, highlighting persistent weaknesses in Nigeria’s electricity infrastructure. Previous incidents were recorded in January and February, with similar causes cited mostly around sudden load drops and poor grid stability.
Experts say the frequent collapses are largely due to aging transmission lines, poor maintenance, and an over-reliance on manual operations. Despite having an installed capacity of over 12,000 MW, the grid often delivers less than 4,000 MW to end users.
The Ministry of Power has promised greater transparency going forward and hinted at possible reforms in the way generation and distribution companies coordinate with grid operators.
In the meantime, many areas across Nigeria are still experiencing intermittent outages as the grid stabilizes and full supply is restored.
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