Transmission

Year-wise T&D Lines Length

FY Ending T&D Lines Length (ckm)
1947 23,238
1950 29,271
1955-56 85,427
1960-61 157,887
1965-66 541,704
1968-69 886,301
1973-74 1,518,884
1978-79 2,145,919
1979-80 2,351,609
1984-85 3,211,956
1989-90 4,407,501
1991-92 4,574,200
1996-97 5,141,413
2001-02 6,030,148
2006-07 6,939,529
2007-08 7,287,413
2008-09 7,487,977
2009-10 7,801,098
2010-11 7,951,486
2011-12 8,726,092
2012-13 8,970,112

Capacity of Transmission Lines

Type Central State JV/Private Total (ckm)
800 kV HVDC 3,506 0 0 3,506
500 kV HVDC 5,948 1,504 1,980 9,432
765 KV 18,843 840 2,513 22,196
400 kV 85,408 41,838 13,371 1,40,617
220 kV 10,945 1,40,798 898 1,52,641
Total 1,24,650 1,84,980 18,762 3,28,392

 *As on 30th September 2015

Source: CEA

Substation Capacity                                                                                                   (All fig. in MW/MVA)

Type Central State JV/Private Total (ckm)
500 kV HVDC 9,500 1,500 2,500 13,500
765 KV 91,500 3000 9000 103,500
400 kV 97,940 91,672 630 190,242
220 kV 8,176 255,360 1567 265,103
Total 207,116 351,532 13,697 572,345

  *As on 31st December 2014

Source: CEA

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