System Operations Structure

The diagram above represents the functional structure of NESO

Corporate Headquarters, Abuja

The NESO Corporate Headquarters is located at Abuja and is responsible for coordinating all the activities of System Operations and is presently headed by the Executive Director (System Operations).

National Control Centre (NCC) Osogbo

The National Control Centre (NCC), Osogbo is responsible for all TCN Grid Operations, Monitoring and Control within the Transmission network. It is equipped with state of the art Supervisory Control and Data Acquisition (SCADA)/ Energy Management System, Tele-control Interfaces, Human Machine Interfaces, Communication Equipment, System Planning tools etc. Functionally, NCC supervises all the Regional Control Centres in the grid network.

The Regional Control Centres (RCC) are as follows

  • Regional Control Centre (RCC), Benin
  • Regional Control Centre (RCC), Ikeja West
  • Regional Control Centre (RCC), Shiroro

The National Control Centre is headed by the GM (NCC).

Supplementary National Control Centre (SNCC), Shiroro

The inception of the SNCC project dates back to 1993. Like the NCC, the SNCC is built with state of the art SCADA/ EMS System as well as Tele-Control Interface (TCI), Control Centre Equipment, Communication Equipment, System Planning software etc. SNCC Shiroro is designed to operate as:

  • Supplementary National Control Centre – supplementing National Control Centre in its responsibilities of Grid Operations, Monitoring, Control and Network Analysis
  • Regional Control Centre, Shiroro – Monitoring grid operations in all the 330kV and 132kV Transmission Substations under the Regional Operations Coordinating Units (ROC) Shiroro. ROC, Shiroro reports functionally and administratively to RCC, Shiroro
REGIONAL CONTROL CENTRE (RCC) BENIN

The Regional Control Centre (RCC), Benin is responsible for monitoring grid operations in the 330kV and 132kV Transmission network under the Regional Operations Coordinating Units (ROC) Benin. ROC, Benin reports functionally and administratively to RCC, Benin.

REGIONAL CONTROL CENTRE (RCC) IKEJA WEST

The Regional Control Centre (RCC), Ikeja West is responsible for monitoring grid operations in the 330kV and 132kV Transmission network under the Regional Operations Coordinating Units (ROC) Lagos. ROC, Lagos reports functionally and administratively to RCC, Ikeja West.

With the increase in 132kV Transmission Substations in the transmission network plans are already underway for three additional Regional Control Centres at Alaoji, Gombe and Kano.

The National Grid