Newsletter No. 65;
IRBMS
now under construction. 2000MW of power, when completed.
Ranganadi Dam: The project has met several stiff resistances from
The Ranganadi Dam is a concrete gravity diversion several groups including All Assam Students’
dam on the Ranganadi River (or Panyor River) in Union and the Krishak Mukti Sangram Samiti, who
Arunachal Pradesh. The dam is intended for Hydro are apprehensive about safety of the people
Electric purposes and is a part of Stage I of the 68 residing downstream of the project.
m, Ranganadi Hydro Electric Project and supports Upper Siang Hydroelectric Project:
the 405 MW Dikrong Power House. Since The Project consists of the construction of several
commissioning, been Hydro Electric power dams in the Upper Siang
generating much less than its capacity because of district of Arunachal Pradesh, India. Construction
drought. Stage II of the project is designed to work was commenced by the NHPC in April 2009 -
provide water storage for Stage I and includes a 134 and various Hydro Dams is going to be constructed
m rock-fill embankment dam with a 523 m.cu.m. in a span of 15-20 years.
storage capacity. This dam will support an The main dam is being constructed across Siang
additional 180 megawatts power station. River, a tributary of river Brahmaputra and upon
Subansiri Lower Dam: completion, the reservoir will hold 10 billion cu. m.
This is a gravity dam, under construction on the of water. The Hydro Electric project at Siang will
Subansiri River in NE India. It is located about 2.5 allow generate between 10,000 and 12,000 MW
km upstream of Gerukamukh village in Dhemaji power, making it the largest HE dam in the Indian
district and Lower Subansiri district on the border Subcontinent. A total of 42 schemes have been
of Assam and Arunachal Pradesh. planned to generate electricity in excess of 27,000
The dam is designed to be 116 m tall, measured MW with the Upper Siang project being one of
from the river bed and 130 m from foundation. The them.
length of the dam is expected to the 284 m and the The Environment ministry assured after a protest
dam will have a structural volume of 22.50 m.cu.m. from
The reservoir will have a storage capacity of 1.37 precautions will be undertaken to ensure minimal
cu.km. of which .44 cu.km. can be used for power environmental impact.
the
power
house
has
student
organization
that
necessary
generation or irrigation. The surface powerhouse
will contain 8 no. of 250 MW Francis turbine
generators. The project is expected to supply
8
Integrated River Basin Management Society