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Odisha Hydro Power Corporation Ltd.

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

Powering Green Energy
Sh Vishal Kumar Dev, IAS
Commissioner-cum-Secretary to Government, Sports & Youth
Services, Department and, Chairman-cum-Managing
Director, OHPC Ltd.

Salient Features of Hirakud Hydro Electric Project, Burla

Hirakud Power House.

Hirakud
1 Name of the Power Station - Burla Power House
2 Name of the River - Mahanadi
3 Location
(I) State - Odisha
(ii) Nearest town - Sambalpur
(iii) Distance - 15 Kms. from Sambalpur
4 Total Installed Capacity of each
(a) No. of Units - 7
(b) Installed capacity of each Unit - # 1, 2 - 49.5 MW (After RM &U)
# 3,4 - 32 MW (After RM & U)
#7 - 37.5 MW ,#5+#6-20 MW
(c ) Total Installed capacity - 220.5 MW (The combined capacity of #5 and #6 is considered as 20 MW instead of 75 MW as per order of Hon'ble OERC).
5 Reservoir / Pondage
a) Name of the Dam - Hirakud
b) Type of Dam - Straight Edged Earth Dam
c) Height of Dam - 80.96 mt (Max)
d) Length of Dam - 4800 mts. (4.8 Kms.) (Total 25.8 km including Dykes)
e) Catchment area - 83400 Sq. k.m.
f) Average Annual Inflow - 36,750 Million Cum
g) FRL / MWL - 192.024 Mt (630 ft.)
h) MDDL - 179.830 mt (590 ft.)
I) Storage capacity - 7189 M.cum (5.83 M.Acft)
j) Design Energy - 684 MU
6 Water Turbine
a) No. of turbines - 7 (Seven)
b) Type of turbines - Kaplan (# 1,2,5,6,7)
Francis (# 3 & 4)
c) Net Head - 7 (Seven)
(I) Maxl. Head ( net
- 35.5 mt.
(II) Minimum - 26.5 mts.
(III) rated / Design Head - # 1,2 - 32.3 mt.
# 3 & 4 - 30.78 mt.
- # 5, 6 & 7 - 26.5 mt.
d) Normal Speed - 150 rpm
e) Runaway Speed - 330 rpm (#1,2,5,6 & 7)
377 rpm (# 3, 4)
7 Tail race
Type of Tunnel / Channel - Open channel, Length - 26.72 Km.
8 Generators
I) No. of Units - 7 (Seven)
ii) Type - Semi Umbrella Vertical (H1, H2) (H3, H4 - suspended, ( H5 6, 7, ) = Umbrella
iii) Make - # 1 & 2 - ALSTOM
# 3 & 4 - (Voith Siemens)
# 5,6 & 7 - Hitachi
iv) Voltage - 11 KV
v) Current - # 1,2 - 3149 amp
# 3, 4 - 2506 amp
# 5,6 & 7 - 2187 amp
vi) Power Factor - 0.9