Grid loses 17,087MW/H, N8bn worth of electricity in 7 days


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The nation’s electricity grid lost 17,087 megawatts hours (MWH) in the last seven days, equivalent to N8.2 billion, from 21,859MWH/H total energy generated, Daily Trust reports.  

At the weekend, about seven Generation Companies (GenCos) were said to have shut down over cut in gas supply due to a rupture on Shell Petroleum Development Company (SPDC)’s Escravos Lagos Pipeline System (ELPS). Industry experts said the sharp drop in generation resulted in a major system collapse that plunged the country into darkness.

The loss was, according to statistics, from the System Operator, noting that only about 4,772MWH/H was distributed in the seven-day period.

A sector expert, on anonymity, confirmed the collapse of the transmission system saying the power sector had not justified huge investment in it.

“Yes there was system collapse. The grid system we have cannot sustain certain low level of supply and that was what happened at the weekend. This is a big problem to us the operators as well as the government,” he said

The source said the only solution to the problem is establishment of mini grid. “There is no quick fix about it,” he said

Clarifying the nationwide blackout at the weekend, the Transmission Company of Nigeria (TCN), which operates the grid system, said it was due to cut in power generation following gas pipeline rupture last Friday.

In a statement by the spokesperson, Ndidi Mbah, TCN said technical issues at Shell gas wells which continued on Saturday further led to a sharp drop in power generation into the national grid by 1,087 megawatts (MW), causing more load-shedding nationwide to stabilise the grid.

Records showed that over six gas-fired Generation Companies (GenCos) shut down after they were cut off from access to gas. They include Ihovbor, Azura, Omotosho gas, and Geregu gas. The others are Olorunsogo gas, Sapele, and Egbin GenCo which is only generating 60MW on each of its units while losing 211MW.

Afam VI GenCo in Rivers State was also shut down to enable Shell Oil Company resolve its gas and technical issues before resuming gas supply to the station.

The TCN spokesperson said there was no system collapse yet, but that with the loss of 1,087.6MW at the national grid, the transmission system is fragile and could collapse if TCN failed to take stringent action that included load-shedding (rationing).

It said the Nigeria Gas Company (NGC) is working to ensure that the gas pipeline issues are resolved in order to restore normal gas supply to the affected power generating stations, to enable them generate into the grid.

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