8. 17. LENGTH OF DIFFERENT TYPES OF ELECTRIC POWER TRANSMISSION LINES 

                                                                                                                                                    (km circuits)

Year

Transmission line

Subtransmission line

400 kV

230 kV

132 kV

63 and 66 kV

1365 ................................................

5606

9303

5916

13886

1370 ................................................

5606

12469

9141

19540

1375 ................................................

7407

14943

11102

24036

1380 ................................................

10079

20444

13210

30264

1381 ................................................

10419

21799

14155

31151

1382................................................

11361

22419

14972

32776

1383................................................

11857

24293

16155

35062

1384*...............................................

12057

25103

16787

36895

Source: Ministry of Energy.