The National grid system performance as recorded by Nigeria Electricity System Operator for the 20th of January, 2017 is given as;
Highest Frequency: 51.32 Hz
Lowest Frequency: 48.52 Hz
Peak Generation: 2,662.20 MW
Lowest Generation: 2,662.20 MW
This accounts for only 23% of the estimated 12,000 megawatts (MW) required for Nigerians to enjoy steady power supply.