A data released by the National System Operator showed 21 power plants generated 3,310.20 Megawatts.
This is as rhe Transmission Company of Nigeria, (TCN), also announced that the national grid which collapsed on Wednesday has been fully restored.
TCN explained that the collapse, the sixth this year, was triggered by the loss of 457 Megawatts from one of the power generation companies.
The collapse left consumers across the country without public power supply.
The collapse, which happened 37 days after the June 13 system failure, dropped power supply to 40 MW
The distribution load profile showed that the national grid collapsed at around 12:23 pm on Wednesday.
Electricity from the generation companies was abysmally low of 40MW against 3,000MW generated previous day.
Allocations to the 10 electricity distribution companies were zero, except 40MW and 10MW to Abuja and Ibadan Discos respectively at 12:23 pm when the incident occurred.