The 3247.4 megawatts (MW) power generated on Saturday, yesterday crashed to 3,050.20MW.
According to the Nigerian Electricity System Operator of Transmission Company of Nigeria, (TCN), the highest system frequency recorded on the day under review was 51.52Hz, while the lowest frequency was 47.14Hz.
The peak generation ever attained remained 5,074MW.
Meanwhile, the Executive Secretary, Association of Power Generation Companies, Joy Ogaji, has linked power challenges to market debts owed them, which stood at over N400 billion.
She said: “The situation in power generation is very obvious and clear. The fact still remains that we at the generation end of the value chain are quite handicapped at the moment, with the logs of market debts owed us which has risen to over 400 billion.