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Odisha Hydro Power Corporation Ltd.

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

Powering Green Energy

Hirakud -I (Hydrology)

Catchment : 83400 sq. km (32,200 Sq. mile)

Rain fall (mm) Original Revised
Mean annual : 1381.25 (1900-45) 1038
Maximum annual : 1808.73 (1919) 2518
Minimum annual : 940.31(1902) 607
Run-off (M.ha.m) Original Post construction
Average annual : 6.17 (1926-46) 3.36 (1958-92)
Max. annual : 8.62 (1919) 9.09 (1961)
Min. annual : 2.54 (1902) 1.14 (1979)