Electricity Grid Risks Collapse Amid Low Spinning Reserve

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Nigeria may be on the brink of another power system collapse as the quantum of spinning reserve aimed at forestalling such occurrence remains low.
Spinning reserve is the generation capacity that is online but unloaded and that can respond within 10 minutes to compensate for generation or transmission outages.
The nation recorded its latest total system collapse last Friday, the 17th time this year, causing the power generation to fall to 2,555.7 megawatts as of 6am on Saturday from 3,596.2MW the previous day and worsening the outage being experienced by households and businesses across the country.
Out of the six power stations meant to provide spinning reserves, only one had actual reserve of 9.4MW as of 6am on Wednesday, September 21, down from 17.4MW on Sunday and 30.4MW on September 10, industry data obtained by our correspondent showed.
The power stations are Egbin, Kainji, Delta, Olorunsogo II, Geregu II, and Omotosho II, with combined reserve capacity of 235MW.
The reserve capacity and actual reserve of Egbin and Kainji stood at zero as of Wednesday, while those of Delta were 80MW and zero, respectively.
Olorunsogo II and Geregu II had reserve capacities of 80MW and 35MW respectively while their actual reserves stood at zero.
Actual reserve at Omotosho II stood at 9.4MW out of a reserve capacity of 40MW, the data showed.
Total power generation stood at 3,645.6MW on Wednesday, down from 3,949.3MW on Monday. It had risen to 3,724.6MW on Sunday from 2,555.7MW on Saturday.
Punch

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