Science & Technology - Nagaland

Microhydel Projects

The bulk of power requirement of the state is purchased from the national grid and even with the local power generation, the power availability falls far short of the requirement. This shortage coupled with problems of maintenance of transmission network, most of the far flung villages are perpetually in darkness. Power shortage is a major bottleneck for the economic development of the State. To intervene into this crisis with Science & Technology inputs the Council with the support of DST, GOI has introduced low cost Microhydel Projects in Nagaland. This is done with the aim to provide electricity to villages for domestic use and small cottage industries. Small hydro projects are generally known to be very expensive and not economically viable. With this in mind, a low cost technology called Cross Flow Turbine developed indigenously by Prof. S. Soundranayagam of IISc Bangalore, was introduced. This technology development was supported by the Department of Science and Technology, Government of India. NASTEC is further improving the design of the turbine to meet local specific requirements.

Project implemented till date:
1. Thuvopisu Microhydel
2. Nguiki Microhydel Projects
3. Dzüdza Microhydel Projects

1. Thuvopisu Microhydel

The Thuvopisu Microhydel Project funded by the Department of Science & Technology, Government of India, was inaugurated by His Excellency, the Governor of Nagaland, Shri K. Shakaranayaranan, on 10th May, 2007


  • Village Community manage project
  • Capacity: 2x50 KW
  • Design Head: 100 m
  • Penstock Length: 600 m
  • Turbine Type: Cross Flow Turbine

2. Nguiki Microhydel

Nguiki Microhydel Project was completed in month of Nov 2013 with a generating output of 2 X 100 KW and will supply uninterrupted power to the beneficiary villages viz., Nkialwa, Mpunggwa, Mpunci, Azailong and Upper Shingjol benefitting a total population of 8651.

3. Dzüdza Microhydel

Dzüza Microhydel Project is an ongoing project which will generated output of 2 X 250 KW. It will supply power to Jotsoma Village and neighbouring hamlets covering a total population of about 4000.

From thuvopisu microhydel project, the main lesson learned was to develop its own local capability in every aspect of the project.

Through this project, local manpower has been trained by Prof. S. Soundranayagam and his team in Cross-flow and Pelton turbine design and fabrication.

Under this project, personnel were trained for Designing, Fabrication, installation of turbines and site identification for NE states, A Training Facility/workshop has been set up in Nagaland.

The turbines used in Nguiki and Dzuza Microhydel projects have been designed by the Council.