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Odisha Hydro Power Corporation Ltd.

A Gold rated State PSU( A Govt. of Odisha Undertaking )

Powering Green Energy
Sh Hemant Sharma, IAS
Commissioner-cum- Secretary to Govt.,
Deptt of Energy, Chairman-cum-Managing Director,
OHPC Ltd.

Hirakud -I (Dam & Apurtenant Work)

Dam and Reservoir

  • Top dam level Top dam level
    R.L. 195.680 M (R.L 642 ft)
  • F.R.L/ M.W.L
    R.L. 192.024 M (R.L 630 ft)
  • Dead storage level
    R.L. 179.830 M (R.L 590 ft)
  • Storage capacity
    Original Revised (1988)
  • In M. cu. M / MACFT

  • Gross
    8136 (6.60) 7189 (5.83)
  • Live
    5818 (4.72) 5375 (4.36)
  • Dead
    2318 (1.88) 1814 (1.47)
  • Water spread area at

  • F.R.L
    743 sq. km
  • D.S.L
    274 sq. km
  • Maximum stratch at F.R.L.
    83.2 km
  • Total length of dam
    4800 M
  • Height of dam
    60.96 M(200ft) max.
  • Length of dyke

  • Left dyke
    9337 m in five gaps
  • Right dyke
    10759 m in one stretch
  • Total quantity of earth work

  • in dam
    18.1 MCum.
  • Total quantity of

  • Concrete and masonary
    1.07 M. cu.m

Spillway

  • Spillway capacity
    42450 cumecs
  • Crest level
    R.L. 185.928 M (R.L.610 ft)
  • Size of sluices
    3.658 x 6.20 m (12 x 20.34 ft)
  • No. of sluices
    64 (40 on left and 24 on right)
  • Sill of sluices
    R.L. 155.448 m (R.L. 510 ft)
  • No. of crest gate
    34 (21 on left and 13 on right)
  • Size of crest gate
    15.54m x 6.10 m(51 x 20ft)
  • Type
    Solid gravity with ogee profile and skijump bucket.