NISO Explains Nationwide Drop in Electricity Supply

The Nigerian Independent System Operator (NISO) has linked the current decline in electricity generation on the national grid to constraints in gas supply to thermal power generating stations and reduced output from hydroelectric power stations.

NISO, in a statement issued on November 5, explained that the limited availability of gas has constrained the capacity of affected thermal stations to operate at their available levels, while reduced water inflows into reservoirs have impacted hydroelectric generation.

“The current decline in electricity generation on the national grid is primarily attributed to constraints in gas supply to thermal power generating stations and reduced output from hydroelectric power stations,” the statement said.

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The agency noted that the reduction in available generation has had a direct impact on the power allocated to Distribution Companies (DisCos) for supply to consumers.

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This, it said, has resulted in reduced hours of electricity supply and increased load shedding across the country.

“Consequently, the reduction in available generation has affected the quantum of electricity allocated to Distribution Companies (DisCos) for onward supply to consumers thereby resulted in reduced hours of electricity supply and increased load shedding across distribution networks, with the level of impact varying according to available generation and the corresponding allocations to individual DisCos,” NISO stated.

NISO noted the severe impact of the current generation shortfall on electricity consumers nationwide and expressed appreciation for the concerns raised by the public and stakeholders.

“While we are actively working on the diversification of our energy mix for the national grid to ensure security of supply, NISO remains committed to maintaining grid stability, optimising the dispatch of available generation, and ensuring the secure, reliable and efficient operation of the national grid within prevailing operational constraints,” it added.

NISO CLARIFIES FACTORS RESPONSIBLE FOR THE CURRENT LOW POWER GENERATION
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The Nigerian Independent System Operator (NISO) wishes to inform the public that the current decline in electricity generation on the national grid is primarily attributed to constraints in gas supply to https://t.co/NB7kit180E

— Nigerian Independent System Operator (@OFFICIALNISO_NG) November 5, 2026

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Jimisayo Opanuga

Jimisayo Opanuga is a web writer in the Digital Department at News Central TV, where she covers African and international stories. Her reporting focuses on social issues, health, justice, and the environment, alongside general-interest news. She is passionate about telling stories that inform the public and give voice to underreported communities.