The electricity supply system is responsible for the electrical power the trains use to move.

The system is composed of transformer substations/rectifiers, capable of lowering the energy from the high voltages received from the energy provider. The electricity is then rectified by diode rectifiers to be offered in form of DC.

Finally, electricity is distributed throughout the train route, through electrical air conductors (catenary) to power the electric motors of trains.

•    Number of substations: 04
•    Total installed power: 40 MVA (10 MVA per substation)
•    Input voltage: 69.000 VAC or 138.000 VAC
•    Nominal output voltage: 3000 VCC
 

The substations are also responsible for an auxiliary power supply of 6,600 V, which is the energy that feeds equipment along the railway.

All equipment is controlled and can be controlled remotely from the OCC through a system of remote power.