Nigeria, Sept. 30 -- The Nigerian Independent System Operator (NISO) on Tuesday said the national grid experienced significant generation shortfalls due to industrial action by the Petroleum and Natural Gas Senior Staff Association of Nigeria (PENGASSAN).

NISO in a public notice by its management on Tuesday morning said the disruptions triggered widespread gas shortages, impacting power generation.

The system operator noted that available generation dropped from over 4,300 MW to about 3,200 MW at its lowest point due to gas supply disruptions.

"The Nigerian Independent System Operator (NISO) wishes to notify the public of recent major generation shortfalls on the National Grid, caused by industrial actions of the Petroleum and Natural ...