Asset Management Data
The key data of the Transmission System Equipment are set out below, as they stood on 30/06/2023.
|
TRANSMISSION LINES (km) |
||||||
|
TYPE OF LINES |
400 kV |
DC 400 kV |
150 kV |
66 kV |
TOTAL |
|
|
OVERHEAD LINES |
3.027,84 |
106,95 |
8.863,56 |
37,54 |
12.035,9 |
|
|
SUBMARINE CABLES |
6 |
|
1.040,59 |
72,2 |
1.118,79 |
|
|
SUBMARINE CABLES (underground part) |
13,4 |
|
30,87 |
2,8 |
47,06 |
|
|
UNDERGROUND LINES |
31,45 |
|
378,21 |
|
409,65 |
|
|
TOTAL |
3.078,69 |
106,95 |
10.313,23 |
112,54 |
13.611,41 |
|
|
SUBSTATIONS WITH IPTO ASSETS |
||||||
|
TYPE |
TRANSFORMER |
SWITCHING |
TOTAL SUBSTATION |
|||
|
HVC - SWITCHING (400KV) |
19 |
3 |
22 |
|||
|
STEP-DOWN - SWITCHING SUBSTATION (150/20KV & 66/20KV) |
219 |
4 |
223 |
|||
|
SUBSTATION OF HV CUSTOMERS - MINES |
39 |
|
39 |
|||
|
STEP-UP (PRODUCTION STATIONS) |
31 |
1 |
32 |
|||
|
STEP-UP RES PRODUCERS |
89 |
|
89 |
|||
|
AC/DC TRANSFORMATION |
1 |
|
1 |
|||
|
TOTAL |
|
|
406 |
|||
|
TRANSFORMERS |
||||
|
TRANSFORMER TYPE |
VOLTAGE (kV) |
NUMBER OF TRANSFORMERS |
MVA CAPACITY |
|
|
AUTOTRANSFORMERS |
400/150/30 |
64 |
17.530 |
|
|
AUTOTRANSFORMERS |
150/66 |
1 |
50 |
|
|
CONVERTER STATION TRANSFORMER |
400 |
1 |
597 |
|
|
STEP-DOWN TRANSFORMER |
150/66 |
2 |
50 |
|
|
SVC TRANSFORMER |
150/20 |
3 |
218 |
|
| TOTAL | 71 | 18.445 | ||
|
TRANSFORMERS |
|||||
|
TYPE |
VOLTAGE (kV) |
NUMBER OF TRANSFORMERS |
MVA CAPACITY |
USER |
|
|
STEP-UP (CONVENTIONAL PRODUCTION AND HYDROELECTRIC STATIONS) |
400 |
23 |
8.926 |
PRODUCERS |
|
|
150 |
79 |
7.215 |
|||
|
STEP-UP RES PRODUCER |
20 |
2 |
7 |
||
|
150 |
123 |
7.390 |
|||
| TOTAL | 227 | 23.539 | |||
|
STEP-DOWN |
150/20 |
454 |
19.117 |
HEDNO |
|
|
66/20 |
2 |
50 |
|||
|
STEP-DOWN |
150/20 |
5 |
212 |
PRODUCERS |
|
|
STEP-DOWN AUXILIARY |
150 |
22 |
1.090 |
||
|
STEP-DOWN |
150/20 |
13 |
650 |
PPC / MINES |
|
|
STEP-DOWN |
150/MT |
90 |
2.622 |
HV CUSTOMERS |
|
| TOTAL | 586 | 23.742 | |||
| GENERAL TOTAL | 813 | 47.280 | |||
