Transmission Lines Energised
| Year | 800KV | 400 KV | 220KV | 132KV | Total |
| 1997-98 | - | 2139 | 6038 | 10270 | 18447 |
| 1998-99 | - | 2819 | 6131 | 10453 | 19403 |
| 1999-00 | - | 2819 | 6131 | 10538 | 19488 |
| 2000-01 | 409.030 | 3554.932 | 6143.559 | 10627.674 | 20326.165 |
| 2001-02 | 409.030 | 3554.932 | 6144 | 10734 | 20842 |
| 2002-03 | 409.030 | 3554.932 | 6260.758 | 10925.743 | 21150.473 |
| 2003-04 | 409.030 | 3555.00 | 6350.80 | 11178.340 | 21493.17 |
| 2004-05 | 409.030 | 3554.472 | 6489.69 | 11304.696 | 21757.888 |
| 2005-06 | 409.030 | 3688.07 | 6552.02 | 11682.95 | 22332.07* |
| 2006-07 | 409.030 | 4275.03 | 7050.83 | 11701.83 | 23436.72* |