Power supply drops below 4,000MW as Dangote/PENGASSAN face-off enters day 2

By Obas Esiedesa, Abuja

Nigeria’s powerfulness proviso fell beneath the 4,000 megawatt threshold connected Tuesday greeting arsenic the onslaught by lipid and state workers implicit a quality with Dangote Petroleum Refinery entered its 2nd day.

The face-off betwixt the Petroleum and Natural Gas Senior Staff Association of Nigeria (PENGASSAN) and the $20 cardinal Dangote Refinery stems from the reported sack of 800 workers by the company.

Checks connected grid proviso showed that arsenic of 7 a.m., load allocation to energy organisation companies had dropped to 3,656MW, down from 4,320MW recorded the erstwhile day. Abuja DisCo received 537MW, Ikeja Electric 530MW, portion Eko DisCo got 451MW.

Most gas-fired thermal powerfulness plants were disconnected the grid, with Delta (472MW) and Egbin (447MW) serving arsenic the main suppliers.

Reacting to the development, the Nigerian Independent System Operator (NISO) attributed the shortfall successful procreation to the concern enactment by PENGASSAN wrong the state proviso chain.

NISO, successful a connection connected Tuesday morning, said “these disruptions triggered wide state shortages, reducing disposable procreation from implicit 4,300 MW successful the aboriginal hours of Sunday, 28th September 2025, to astir 3,200 MW astatine the lowest point.
“In response, the NISO promptly deployed contingency measures to sphere the stability, security, and reliability of the National Grid. Key interventions include:
“Hydropower Optimization: Strategic ramp-ups from large hydro stations, contributing implicit 400 MW of further output to cushion the shortfall from gas-fired plants.
“Generation Dispatch and Load Balancing: Real-time load adjustments to lucifer disposable procreation with strategy demand, portion preventing a strategy frequence collapse.
“Voltage and Frequency Support: Continuous deployment of reactive powerfulness compensation and reserve monitoring to safeguard strategy integrity.
“Demand-Side Management: Selective load shedding, applied arsenic a past resort, to avert a system-wide illness and guarantee just powerfulness distribution”.
The bureau stated that “these timely actions enabled the NISO NCC to minimize the interaction of the labour-induced state shortages, prolong operational security, and support proviso to captious loads, thereby averting a nationwide blackout.
“The System Operator reaffirms its committedness to proactive grid management, operational excellence, and the exertion of best-in-class practices to warrant a unafraid and reliable energy proviso for the nation,” the connection added.

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