DAGMARA HYDRO-ELECTRIC PROJECT

  • Recently, a Memorandum of Understanding (MoU) has been signed between National Hydro Power Corporation (NHPC) Limited and Bihar State Hydroelectric Power Corporation Limited (BSHPC) for Implementation of Dagmara Hydro-Electric Project, Supaul, Bihar.
  • NHPC is a Category-A Miniratna Company under the Ministry of Power, in the field of Hydropower.
  • It is the largest organisation for hydropower development in India, currently, NHPC has 24 operational power stations with a total installed capacity of 7071 Mega Watt (MW).

Important points:

  • The project is located near village Dagmara on the right bank and Simri on the left bank, about 22.5 km downstream of Bhimnagar barrage on Kosi river.
  • It is a Run-of-the-River scheme. Run-of-river hydro projects use the natural downward flow of rivers and micro turbine generators to capture the kinetic energy carried by water.
  • Typically water is taken from the river at a high point and diverted to a channel, pipeline, or pressurised pipeline (or penstock).
  • The project will have the total capacity of generating 130 MW energy, in which 17 units of 7.65 MW will be installed for power generation.
  • The estimated cost of construction of this project is at Rs. 2478.24 crore.
  • It will be a landmark project in the power sector scenario of Bihar as far as green power is concerned.
  • Apart from generating clean and green power, the execution will boost the socio-economic and infrastructure development in the area and shall also create employment opportunities.

Kosi River

  • The Kosi is a trans-boundary river which flows through Tibet, Nepal and India.
  • It has its source in Tibet that includes the world’s highest upland; it then drains a large part of Nepal before emerging onto the Gangetic plains.
  • Its three major tributaries, the Sun Kosi, Arun and Tamur meet at one point just upstream of a 10 km gorge cut through the Himalayan foothills.
  • The river crosses into northern Bihar, India where it branches into distributaries before joining the Ganges near Kursela in Katihar district.
  • Its unstable nature has been attributed to course changes and the heavy silt it carries during the monsoon season, and flooding in India has extreme effects.
  • The Kosi carries the maximum amount of silt and sand after the Brahmaputra in India.
  • It is also known as the “Sorrow of Bihar” as the annual floods affect about 21,000 km2 of fertile agricultural lands thereby disturbing the rural economy.

SOURCE: THE HINDU,THE ECONOMIC TIMES,MINT

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