Inside Pages9Final.indd - Ministry of Power

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MINISTRY OF POWER
I Chapter - 23.8
TEHRI HYDRO DEVELOPMENT CORPORATION LTD.
Tehri Hydro Development Corporation Ltd. (THDC), a
Joint Venture Corporation of the Govt. of India and Govt.
of U.P., was incorporated as a Limited Company under the
Companies Act, 1956, in July’88, to develop, operate and
maintain the Tehri Hydro Power Complex and other Hydro
Projects.
THDC is presently responsible for the implementation of
the Tehri Hydro Power Complex (2400 MW), Vishnugad
Pipalkoti (440 MW) and sis other new Hydro Electric
Projects, totaling to an installed capacity of 695 MW.
The Corporation has an authorized share capital of Rs.
4000 Cr. The cost of the Project is being shared in the ratio
of 75:25 (equity portion) by Govt. of India & Govt. of U.P.
for Power Component, while Irrigation Component (20% of
Stage-I cost) is to be entirely funded by the Govt. of U.P.
Tehri Hydro Power Complex (2400 MW), comprises the
following components:
Tehri Dam & Hydro Power Plant (1000MW)
Koteshwar Hydro Electric Project (400 MW)
Tehri Pumped Storage Plant (1000 MW)
The Govt. in March, 1994 approved the implementation
of Tehri Dam & HPP (1000 MW) as Stage-I of Tehri
Power Complex. The Tehri Stage-I Project is currently
at an advanced stage of commissioning. The 400 MW
Koteshwar HEP, was approved by Govt. in April, 2000 and
the work is in progress. PIB clearance has been accorded
to Tehri PSP. The project is being processed for investment
decision.
MOU for Vishnu Gad Pipalkoti Project on Alaknanda
river, was signed between THDC and Government of
Uttaranchal for implementation of project in April-2003.
The Feasibility Report has been completed envisaging
an installed capacity of 440 MW and CEA has conveyed
the commercial Viability of the Project. The preparation of
DPR of project and Stage-II infrastructural activities are
under progress.
Government of Uttaranchal (GOU) has allotted six new
Hydro Electric Projects to THDC, totaling to an installed
capacity of 695 MW, in Uttaranchal State. Implementation
agreement for these projects have been signed by THDC
with GOU in Nov-05 and Survey & Investigation works for
preparation of Feasibility Report has been taken up.
BENEFITS FROM TEHRI HYDRO POWER COMPLEX:
The benefits from the Tehri Hydro Power Complex are as
under:
- Addition to the installed generating
capacity in the northern Region : 2400 MW
- Annual energy availability
(Peaking) : 6200 MU
- Irrigation (additional) : 2.70 Lac, ha.
- Stabilisation of existing irrigation : 6.04 Lac. Ha.
- 300 Cusecs (162 million gallons per day) of drinking
water for Delhi which will meet the requirements of
about 40 Lac. People.
- In addition, 200 Cusecs (108 million gallons per day) of
drinking water for towns and villages of U.P. which will
meet the requirement of 30 Lac. People.
- Integrated development of Garhwal region, including
construction of a new hill station town with provision of
all civic facilities; improved communication, education,
health, tourism, development of horticulture, fisheries,
and afforestation of the region.
1. Tehri Dam & HPP, Stage-I (1000 MW):
Tehri Dam project is a multipurpose Hydro Project under
construction on the river Bhagirathi in Uttaranchal State.
Tehri Hydro Power Plant (Stage-I) includes the construction
of the 260.5 m high rock fill Dam, Spillway structures,
power tunnels and an underground power house cavern
with an installed capacity of 1000 MW (4x250 MW).
STATUS OF THE PROJECT WORKS:
The work of Tehri Stage-I Project is nearing completion.
The reservoir impoundment has already started. The
Present status of the project works is as under:
A. Main Dam:
The 260.5 m high Tehri Dam, which is the highest earth
& rock fill dam in Asian region, has been raised to its full
height up to level of El. 839.5 m. A mammoth quantity
of 278.16 Lac Cum of fill material has been placed to
complete the Tehri Dam.