Transmission system data

Voltage levels and the total length of ČEPS-operated power lines

400 kV lines                 3,617 km         (of which 1,338 km double and multiple lines)

220 kV lines                 1,909 km         (of which 1,038 km double and multiple lines)

110 kV lines                      84 km         (of which 78 km double and multiple lines)

  

Facilities and equipment CZ in total  Unit
400 kV routes  3,008  km
220 kV routes  1,349  km
110 kV routes  45  km
400 kV line length  3,617  km
220 kV line length  1,909  km
110 kV line length  84  km
400 kV cross-border lines  11  No.
220 kV cross-border lines  6  No.
400 kV substations  26  No.
220 kV substations  14  No.
110 kV substations  1  No.
Transformation capacity  21,980  MVA
400/220 kV transformers  4  No.
400/110 kV transformers    48  No.
220/110 kV transformers  21  No.
Compensating power of 400 kV shunt reactors  660  MVA
Compensating power of 35 kV shunt reactors  277.6  MVA
Compensating power of 10 kV shunt reactors  408.6  MVA
400 kV shunt reactors  4  No.
35 kV shunt reactors  5  No.
10 kV shunt reactors 9  No.