Growth of Transmission and Distribution System

A) Sub-Station

1 Sub-Stations (Nos) 2008-09 2009-10 2010-11 2011-12 2012-13 2013-14 2014-15 2015-16 2016-17 2017-18
a. 400 KV —- —- —- —- 1 2 4 4 5 5
b. 220 KV 48 53 63 70 78 87 91 93 94 96
c. 132 KV 78 81 79 82 82 79 75 73 69 69
d. 66 KV 489 533 564 596 614 647 693 719 742 771
e. 33 KV 86 75 69 47 40 29 12 7 5 5
Total (a to e) 701 742 775 795 815 844 875 896 915 946
f. 11 KV 335194 403619 472238 540977 611172 668205 754567 807203 939069 1002497

 

2 Substation Capacity (MVA) 2008-09 2009-10 2010-11 2011-12 2012-13 2013-14 2014-15 2015-16 2016-17 2017-18
a. 400KV 1000 1630 2890 2890 3890 4390
b. 220 KV 11041 11441 13566 15346 18076 20340 21862 22939.5 25188 26502
c. 132 KV 5059 5474 5643 5703 5898 6144 6537 6619.5 4489 4555
d. 66 KV 10753 11453 13169 14697 15474 16281.55 18484 19615 20301 22457
e. 33 KV 1132 1158 1189 1270 631 512.5 532 111 93 93
Total (a to d) 27985 29526 33567 37016 41078 44908.05 50305 52175 53960 57997
f. 11 KV 17962 18888 20199 21429 22836 24301.51 26522.78 27981 30561 32800
3 HT Shunt Capacitors (MVA) 5600 5830 6002 6062 6123 6870.926 7175 7558 7794 7943

B) Transmission & Distribution Lines (CKT.Kms.) ending the Year

S. No. Description 2008-09 2009-10 2010-11 2011-12 2012-13 2013-14 2014-15 2015-16 2016-17 2017-18
1 400KV 859 1517.34 1584 1584 1584 1584
2 220 KV 4463 4591 4934 5279 5930 6371.99 6716 6951 7303 7795
3 132 KV 3061 3074 3105 3132 3197 3196.78 3136 3136 3136 3136
4 66 KV 6148 6508 7064 7545 7596 8178.67 8788.84 9489 10005 9711
5 33 KV 1421 1321 1321 1329 504 381.78 381.78 142 120 87
Total (1 to 4) 15094 15494 16424 17285 18087 19646.56 20607.67  21302  22148 22313
6 11 KV 144926 161159 177419 190103 203415 209759.04 214860 219051 232290 237782
7 L.T. Lines 170472 167021 164093 158251 153933 152497.09 149698 152446 152177 152012
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