The key data of the Transmission System Equipment are set out below, as they stood on 30/06/2022.
|
TRANSMISSION LINES (km) |
||||||
|
TYPE OF LINES |
400 kV |
DC 400 kV |
150 kV |
66 kV |
TOTAL |
|
|
OVERHEAD LINES |
2.761,53 |
106,95 |
8.834,49 |
37,54 |
11.740,51 |
|
|
SUBMARINE CABLES |
|
|
941,82 |
72,2 |
1.014,02 |
|
|
SUBMARINE CABLES (underground part) |
|
|
28,1 |
2,8 |
30,90 |
|
|
UNDERGROUND LINES |
31,45 |
|
373,27 |
|
404,71 |
|
|
TOTAL |
2.792,98 |
106,95 |
10.177,68 |
112,54 |
13.190,15 |
|
|
SUBSTATIONS WITH IPTO ASSETS |
||||||
|
TYPE |
TRANSFORMER |
SWITCHING |
TOTAL SUBSTATION |
|||
|
HVC - SWITCHING (400KV) |
18 |
4 |
22 |
|||
|
STEP-DOWN - SWITCHING SUBSTATION (150/20KV & 66/20KV) |
218 |
4 |
222 |
|||
|
SUBSTATION OF HV CUSTOMERS - MINES |
38 |
|
38 |
|||
|
STEP-UP (PRODUCTION STATIONS) |
30 |
1 |
31 |
|||
|
STEP-UP RES PRODUCERS |
80 |
|
80 |
|||
|
AC/DC TRANSFORMATION |
1 |
|
1 |
|||
|
TOTAL |
|
|
394 |
|||
|
TRANSFORMERS |
||||
|
TRANSFORMER TYPE |
VOLTAGE (kV) |
NUMBER OF TRANSFORMERS |
MVA CAPACITY |
|
|
AUTOTRANSFORMERS |
400/150/30 |
62 |
16.940 |
|
|
AUTOTRANSFORMERS |
150/66 |
1 |
50 |
|
|
CONVERTER STATION TRANSFORMER |
400 |
1 |
597 |
|
|
STEP-DOWN TRANSFORMER |
150/66 |
2 |
50 |
|
|
SVC TRANSFORMER |
150/20 |
3 |
168 |
|
| TOTAL | 69 | 17.805 | ||
|
TRANSFORMERS |
|||||
|
TYPE |
VOLTAGE (kV) |
NUMBER OF TRANSFORMERS |
MVA CAPACITY |
USER |
|
|
STEP-UP (CONVENTIONAL PRODUCTION AND HYDROELECTRIC STATIONS) |
400 |
18 |
7.106 |
PRODUCERS |
|
|
150 |
79 |
7.215 |
|||
|
STEP-UP RES PRODUCER |
20 |
2 |
7 |
||
|
150 |
110 |
6.347 |
|||
| TOTAL | 209 | 20.676 | |||
|
STEP-DOWN |
150/20 |
451 |
18.967 |
HEDNO |
|
|
66/20 |
3 |
75 |
|||
|
STEP-DOWN |
150/20 |
5 |
212 |
PRODUCERS |
|
|
STEP-DOWN AUXILIARY |
150 |
21 |
966 |
||
|
STEP-DOWN |
150/20 |
13 |
650 |
PPC / MINES |
|
|
STEP-DOWN |
150/MT |
92 |
2.672 |
HV CUSTOMERS |
|
| TOTAL | 585 | 23.542 | |||
| GENERAL TOTAL | 794 | 44.217 | |||
