Asset Management Data
The key data of the Transmission System Equipment are set out below, as they stood on 31/12/2023.
TRANSMISSION LINES (km) |
||||||
TYPE OF LINES |
400 kV |
DC 400 kV |
150 kV |
66 kV |
TOTAL |
|
OVERHEAD LINES |
3.033,44 |
106,95 |
8.875,56 |
37,49 |
12.053,44 |
|
SUBMARINE CABLES |
6,6 |
|
1.066,29 |
79,2 |
1.145,09 |
|
SUBMARINE CABLES (underground part) |
13,4 |
|
34,43 |
2,8 |
50,63 |
|
UNDERGROUND LINES |
31,45 |
|
390,03 |
|
421,48 |
|
TOTAL |
3.084,89 |
106,95 |
10.366,31 |
112,49 |
13.670,64 |
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 |
40 |
|
40 |
|||
STEP-UP (PRODUCTION STATIONS) |
31 |
1 |
32 |
|||
STEP-UP RES PRODUCERS |
94 |
|
94 |
|||
AC/DC TRANSFORMATION |
1 |
|
1 |
|||
TOTAL |
|
|
412 |
TRANSFORMERS |
||||
TRANSFORMER TYPE |
VOLTAGE (kV) |
NUMBER OF TRANSFORMERS |
MVA CAPACITY |
|
AUTOTRANSFORMERS |
400/150/30 |
65 |
17.810 |
|
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 | 72 | 18.725 |
TRANSFORMERS |
|||||
TYPE |
VOLTAGE (kV) |
NUMBER OF TRANSFORMERS |
MVA CAPACITY |
USER |
|
STEP-UP (CONVENTIONAL PRODUCTION AND HYDROELECTRIC STATIONS) |
400 |
21 |
8.206 |
PRODUCERS |
|
150 |
76 |
6.555,31 |
|||
STEP-UP RES PRODUCER |
400 | 2 |
300 |
||
150 |
133 |
8.048,4 |
|||
20 |
2 |
7 |
|||
TOTAL | 234 | 23.117 | |||
STEP-DOWN |
150/20 |
457 |
19.242 |
HEDNO |
|
66/20 |
2 |
50 |
|||
STEP-DOWN |
150/20 |
5 |
212 |
PRODUCERS |
|
STEP-DOWN AUXILIARY |
150 |
22 |
1.090,5 |
||
STEP-DOWN |
150/20 |
11 |
550 |
PPC / MINES |
|
STEP-DOWN |
150/MT |
92 |
2.652,1 |
HV CUSTOMERS |
|
TOTAL | 589 | 23.797 | |||
GENERAL TOTAL | 823 | 46.913 |