Characteristics of the Grid


Overhead lines
OHL voltage level Number of OHL Interconnection number Length (km)
400 kV 15 4 865,970
220 kV 43 10 1.526,226
110 kV 253 23 4.093,746 
110 kV (cable) 11 - 34,680
TOTAL: 322 37 6.520,622

Sub-stations
Type of substation Number of SS
TS 400/x kV
10
TS 220/x kV
8
TS 110/x kV
137
TS 35/x kV
3
TOTAL
155+3
Voltage level Number of SS Installed power (MVA) Number of transformers Transformers installed power (MVA)
400/x kV 10 6119,0 14 4900,0
220/x kV 8 1423,0 + 4,0 (MV) 14 2100,0
110/x kV 137 5889,0 + 134,5 (MV) 260 6431,0
MV/MV 3 (MV) 30,5 (MV) 30 (MV) 169,0 (MV)
TOTAL: 155 + 3 (MV) 13431,0 + 169,0 (MV) 288 + 30 (MV) 13431,0+ 169,0 (MV)