Nigeria’s power sector may have recorded the lowest decline in technical hitches and the negative indicator of power system collapses with only four incidents in 2020. This is the first of such low figures in about 12 years, industry records have shown.

The records obtained by Daily Trust from the Federal Ministry of Power and from the Independent System Operations (ISO) – the power grid managing section of the power sector – revealed that between 2009 and 2021, the country recorded 259 cases of system disturbance.

However, the trend which spreads outages that could last for a day or two nationwide or across half of the country dropped to just four in 2020, with just one incident so far in the first two months of 2021.

According to Engr Fadahunsi Femi, a power system operator, a system collapse often occurs when the power transmission line(s) trips, sending outages to distribution load centres across some of the 11 Distribution Companies (DisCos) or all of them.

When such happens, the Generation Companies (GenCos) would not be able to generate power, while the Transmission Company of Nigeria (TCN) cannot transmit and the DisCos are left with no power for the consumers thereby resulting in widespread outage.

Engr femi noted that, “When the outage is not across the entire country, then it is a partial system collapse. However, a nationwide outage means a total system collapse.”

Analysis of the incidents records shows that 142 total and partial system collapses were recorded from 2009 to 2013. The system recorded 103 others from 2014 to 2021, yet during the period, the power sector utilities were privatised. Thus in a span of almost 12 years, Nigerians have experienced widespread outage 259 times.

The record of only four collapses in 2020 marked a new milestone in the power sector. This was less than half of the 10 recorded in 2019 in a year that industry experts expected higher figures due to issues of the COVID-19 lockdown that restricted movement which could affect power line maintenance, gas shortage to GenCos, among others.

So far in 2021, only one partial system collapse has been recorded, just as the system has recorded multiple all-time peak power generation – another milestone between 2020 and 2021, much more than it had in the past 10 years.

However, in 2020, there were four all-time peak records and three more recorded so far in 2021.

In 2020, the national grid recorded all-time power evacuation; starting with 5377.8 megawatts (MW) on August 1, and 5,420.30MW on August 19. By October 28, there was an increase to 5,459.50MW and it rose to 5,502.40MW by October 30. The grid peak capacity has increased so far this year with 5,552MW recorded on January 6, and a rise to 5,584.40MW recorded on January 7.

Daily Trust also found out that the peak power generation for the last seven days of February, 2021 has been over 5,000MW; with 5593.4MW recorded on February 25, being the latest peak generation and the third this year.

The acting Managing Director (MD) of TCN, Engr Sule Ahmed Abdulaziz, confirmed that another milestone was recorded on February 26, 2021, when the grid successfully evacuated 116,891.14 megawatts hour (MWH) of electricity supplied to consumers by the 11 DisCos, saying, “This is higher than the previous value of 116,121.42MWH that occurred on 25/02/2021 by 769.72MWH.

“TCN is optimising its available resources to better serve the DisCos and the GenCos through prompt maintenance of the existing grid network while applying best practices in completing ongoing low hanging fruits projects to improve the overall grid capacity.”

Director, Renewable and Rural Power Access in the Ministry of Power, Engr Faruk Yusuf Yabo, the national grid achieved an all-year peak of 115MWH power supply on December 11, 2020.

Engr Yabo said, “The improved power supply and improvement in 2020 was a great departure from the past. This I can say was as a result of the realignment of the Nigerian Electricity Supply Industry (NESI) by the Ministry of Power.”

In a response to Daily Trust enquiry, the Minister of Power, Engr. Sale Mamman said the decline in system collapses was one of the focal points of the minister in ensuring that complaints of epileptic power supply to consumers were tackled.

“Gradually, Nigerians will be seeing the results of what is being done in the control rooms and substations to improve power supply.

“There are still hitches, but the government is doing its best. You are aware that the minister recently revealed that the federal government provides a N50bn subsidy monthly to the Nigerian electricity market to help the DisCos supply improved power to Nigerians,” Mamman said via correspondence from his aide on social media, Ado Adamu Also.

Good Morning my fellow Nigerians,

When I assumed office in August 2019, my first point of call was to reorganize the agencies and ensure we have square pegs in square holes, we are pleased to see this providing tremendous results.

System losses are declining with several new transmission milestones over the past 7 Months which has in turn led to a significant rise in the average transmission peaks.

Well done to all involved.

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Engr. Sale Mamman reacts



Engr. Sale Mamman, (Minister of Power)