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Power Supply Set to Dip as Key Gas Facility Undergoes Scheduled Maintenance

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Electricity generation in Nigeria is expected to experience a temporary decline as scheduled maintenance on a major gas production facility limits supply to several thermal power plants.

The Nigerian National Petroleum Company Limited (NNPC Ltd) announced on Thursday that Seplat Energy Plc February 16.

The Nigerian Independent System Operator (NISO) confirmed it received formal notice of the shutdown and warned that major thermal power plants including Egbin, Azura, Sapele, and Transcorp could be directly impacted. Other plants such as NDPHC Sapele, Olorunsogo, and Omotosho may experience indirect constraints due to network-wide gas balancing effects.

NISO noted that the temporary reduction in gas availability would lead to lower thermal generation capacity, emphasizing the need for careful grid management. “In line with its statutory mandate, NISO will deploy appropriate real-time operational measures to safeguard the integrity and security of the national grid throughout the maintenance window,” the operator said.

The agency assured electricity consumers that any necessary load shedding would be implemented in a structured and transparent manner, prioritizing critical infrastructure, essential services, and security installations. The National Control Centre will intensify monitoring and contingency planning to maintain system stability during the maintenance period.

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Published on February 16, 2026
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