Home Energy Nigeria’s power grid operated without system collapse for 400 days — FG

Nigeria’s power grid operated without system collapse for 400 days — FG


The Federal Government, on Wednesday, announced that the Nigerian power grid operated without any major disruption or system collapse for 400 consecutive days.

It said the milestone signified a remarkable advancement in the nation’s efforts at strengthening its power infrastructure and ensuring a reliable and dependable electricity supply to distribution load centres for onward distribution to electricity customers nationwide.

The government announced this through its Transmission Company of Nigeria in a statement, and stated that the stability of the grid could be attributed to strategic measures and investments in the power system by TCN.

“Some of the key elements that have contributed to this remarkable accomplishment include configuration and enforcement of Free Governor Control, effective Under-frequency Relay Scheme, among others.

“TCN constituted a three-person committee, which was formed to go round the country for the configuration and activation of primary reserve in coordination with power stations and in line with the provisions in the grid code.

“This committee devised a robust monitoring and enforcement mechanism for generating station compliance after activating the unit governor control. This innovative approach, known as Free Governor Mode of Operation, automatically adjusts generation in response to frequency changes, ensuring stability, reliability, and reduced transmission losses,” the firm stated.

It noted that the Under Frequency Relay Scheme, countered the challenges posed by occasional generation shortfalls and resulting frequency declines.

“This scheme operates in critical stages to prevent frequency-related disruptions by initiating circuit breaker trips or alerting network operators, thereby averting system collapse.

TCN in-house engineers deployed the IoT/VPN for Enhanced Grid Visibility by creating an interim solution utilising loT sensors and devices. This real-time monitoring capability aids proactive issue identification, preventing potential disruptions. Efforts are ongoing to expand this visibility by incorporating additional transmission stations through loT integration,” TCN stated.



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