The Nigerian Independent System Operator (NISO) has disclosed that the power generation in the country has declined to approximately 4,300 megawatts, primarily due to inadequate gas supply to thermal generating stations.
NISO, in a statement on Friday, explained that given that thermal plants account for the dominant share of Nigeria’s generation mix, any disruption or limitation in gas supply directly affects available generation capacity and overall grid output. Consequently, the current energy allocated to Distribution Companies (DisCos) reflects the reduced supply available on the grid.
According to NISO, available operational data indicates that thermal power plants collectively require an estimated 1,629.75 million standard cubic feet (MMSCF) of gas per day to operate at optimal capacity. However, it said as of February 23, 2026, actual gas supply to the stations stood at approximately 692.00 MMSCF, representing a significant shortfall in daily gas supply requirements.
The System Operator said that the available gas supply represents less than 43% of the required volume, resulting in constrained generation output. Noting that the current low generation level was fundamentally driven by inadequate gas supply to thermal generating units, leading to reduced energy allocation to the DisCos.
“When total system generation drops significantly, the Independent System Operator must implement load shedding across the system, while dispatching available energy in line with the NERC MYTO allocation percentages across all distribution networks to maintain grid stability and prevent system disturbances,” NISO explained.
It said while it regret the inconvenience the situation may cause electricity consumers and affected market participants, saying it would continue to work closely with relevant stakeholders to ensure full energy allocation as soon as gas supply improves and generation capacity is restored.
