Total Sub-Stations
| Sr. No. |
Voltage Level |
No. of Substations |
Total Capacity (MVA) |
Average capacity per substation |
| 1. |
765KV S/S |
2 |
6000 |
3000 |
| 2. |
400KV S/S |
29 |
28625 |
987 |
| 3. |
220KV S/S |
170 |
64920 |
381 |
| 4. |
132KV S/S |
480 |
69529 |
144 |
765KV S/S
| Sr. No. |
Zone |
No. of S/S |
Capacity (MVA) |
| 1. |
TC |
1 |
3000 |
| 2. |
TSW |
1 |
3000 |
| Total |
2 |
6000 |
400KV S/S
| Sr. No. |
Zone |
No. of S/S |
Capacity (MVA) |
| 1. |
TC |
5 |
5260 |
| 2. |
TNE |
5 |
4915 |
| 3. |
TSC |
2 |
1260 |
| 4. |
TSE |
4 |
3675 |
| 5. |
TSW |
5 |
5175 |
| 6. |
TW |
8 |
8340 |
| Total |
29 |
28625 |
220KV S/S
| Sr. No. |
Zone |
No. of S/S |
Capacity (MVA) |
| 1. |
TC |
38 |
13500 |
| 2. |
TNE |
14 |
6000 |
| 3. |
TSC |
8 |
2660 |
| 4. |
TSE |
20 |
7780 |
| 5. |
TSW |
34 |
11930 |
| 6. |
TW |
56 |
23050 |
| Total |
170 |
64920 |
132KV S/S
| Sr. No. |
Zone |
No.of S/S |
Capacity (MVA) |
| 1. |
TC |
103 |
14537 |
| 2. |
TNE |
58 |
7009 |
| 3. |
TSC |
27 |
3282 |
| 4. |
TSE |
81 |
10239 |
| 5. |
TSW |
81 |
12559 |
| 6. |
TW |
130 |
21903 |
| Total |
480 |
69529 |
(B)-TBCB
| Sr. No. |
Voltage |
No.of S/S |
Capacity(MVA) |
| 1. |
765KV |
5 |
14000 |
| 2. |
400KV |
11 |
13120 |
| 3. |
220KV |
- |
2520 |