The key data of the Transmission System Equipment are set out below, as they stood on 31/12/2019.
|
TRANSMISSION LINES (km) |
||||||
|
TYPE OF LINES |
400 kV |
DC 400 kV |
150 kV |
66 kV |
TOTAL |
|
|
OVERHEAD LINES |
2.756,41 |
106,95 |
8.190,15 |
39,05 |
11.092,56 |
|
|
SUBMARINE CABLES |
|
|
481,16 |
74,00 |
555,16 |
|
|
SUBMARINE CABLES (underground part) |
|
|
20,50 |
1,27 |
21,77 |
|
|
UNDERGROUND LINES |
31,35 |
|
267,23 |
|
298,57 |
|
|
TOTAL |
2.787,76 |
106,95 |
8.959,03 |
114,32 |
11.968,06 |
|
|
SUBSTATIONS WITH IPTO ASSETS |
||||||
|
TYPE |
TRANSFORMER |
SWITCHING |
TOTAL SUBSTATION |
|||
|
HVC - SWITCHING (400KV) |
19 |
2 |
21 |
|||
|
STEP-DOWN - SWITCHING SUBSTATION (150KV) |
201 |
2 |
203 |
|||
|
SUBSTATION OF HV CUSTOMERS - MINES |
38 |
|
38 |
|||
|
STEP-UP (PRODUCTION STATIONS) |
33 |
|
33 |
|||
|
STEP-UP RES PRODUCERS |
61 |
|
61 |
|||
|
TOTAL |
|
|
356 |
|||
|
TRANSFORMERS |
||||
|
TRANSFORMER TYPE |
VOLTAGE (kV) |
NUMBER OF TRANSFORMERS |
MVA CAPACITY |
|
|
AUTOTRANSFORMERS |
400/150/30 |
59 |
16.070 |
|
|
AUTOTRANSFORMERS |
150/66 |
1 |
50 |
|
|
CONVERTER STATION TRANSFORMER |
400 |
1 |
597 |
|
|
STEP-DOWN TRANSFORMER |
150/66 |
2 |
50 |
|
|
SVC TRANSFORMER |
150/20 |
1 |
100 |
|
| TOTAL | 64 | 16.867 | ||
|
TRANSFORMERS |
|||||
|
TYPE |
VOLTAGE (kV) |
NUMBER OF TRANSFORMERS |
MVA CAPACITY |
USER |
|
|
STEP-UP (CONVENTIONAL PRODUCTION AND HYDROELECTRIC STATIONS) |
400 |
25 |
8.521 |
PRODUCERS |
|
|
150 |
66 |
7.903 |
|||
|
STEP-UP RES PRODUCER |
20 |
2 |
7 |
||
|
150 |
78 |
4.228 |
|||
| TOTAL | 171 | 20.660 | |||
|
STEP-DOWN |
150/20 |
409 |
17.304 |
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 |
2.766 |
HV CUSTOMERS |
|
| TOTAL | 543 | 21.972 | |||
| GENERAL TOTAL | 714 | 42.362 | |||