The Core Regulated Activity of Transmission and
specifically the Transmission System Owner, is one of the three Units of the Network
Business Unit and is responsible for the planning, specifications, technology
and construction work related to the operation and maintenance of the
Transmission Network, with the objective of responding to the ever-increasing
need for electricity while maintaining the reliability of the Transmission
Transmission Network is the backbone of the EAC's electricity system, connecting
the Power Stations to the Distribution Network.
According to the Transmission and Distribution Rules, Transmission begins from
the busbars of the Transmission Substations that are housed in the Power
Stations and via 132 kV or 66 kV overhead power lines or underground cables
reaches the 11kV or 22 kV Medium Voltage switchgear in all the other
Transmission Substations that are usually located within the load centres.
For operational reasons, the Transmission System Owner Unit is divided into the
following activities: Transmission Substations, Overhead or Underground
Transmission Network, Protection and Technology, System Studies, Area