Tuirial dam is an earthfill and

gravity In physics, gravity (), also known as gravitation or a gravitational interaction, is a fundamental interaction, a mutual attraction between all massive particles. On Earth, gravity takes a slightly different meaning: the observed force b ...

dam on the River Sonai near

Kolasib Kolasib is a town located in the northern part of Mizoram, India. It serves as the headquarters of the Kolasib District. Situated along the border with the state of Assam, Kolasib is an important transit point connecting Mizoram with the rest o ...

in the state of

Mizoram Mizoram is a states and union territories of India, state in northeastern India, with Aizawl as its Capital city, capital and largest city. It shares 722-kilometres (449 miles) of international borders with Bangladesh to the west, and Myanmar t ...

India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...

. The primary purpose of the dam is

hydroelectric Hydroelectricity, or hydroelectric power, is Electricity generation, electricity generated from hydropower (water power). Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, which is more than all other Renewable energ ...

power production. The Cabinet Committee on Economic Affairs (CCEA) approved the 60 MW Tuirial Hydro Electric Project (THEP) project costing Rs 913 crore in 2010. The project was inaugurated by

Prime Minister A prime minister or chief of cabinet is the head of the cabinet and the leader of the ministers in the executive branch of government, often in a parliamentary or semi-presidential system. A prime minister is not the head of state, but r ...

Narendra Modi Narendra Damodardas Modi (born 17 September 1950) is an Indian politician who has served as the Prime Minister of India, prime minister of India since 2014. Modi was the chief minister of Gujarat from 2001 to 2014 and is the Member of Par ...

(using a remote control from AR Ground) on 16 December 2017.

Technical Features

Tuirial Hydel Project is the 2nd largest earthen dam and the largest in India. The height of the dam is 75 Metres. The dam has 3 split gates, 2 Turbine and 2 tunnel. Tuirial Hydel Dam has two 30MW

Francis Turbine The Francis turbine is a type of water turbine. It is an inward-flow reaction turbine that combines radial and axial flow concepts. Francis turbines are the most common water turbine in use today, and can achieve over 95% efficiency. The pro ...

. The dam is estimated to produce 250 million units of electrical energy every year.

History

Construction of 60 MW hydroelectric power station began in 1998 by NEEPCO but was halted in 2004 by the Tuirial Crop Compensation Claimant Association of which the

Mizo National Front The Mizo National Front ( MNF) is a regional political party in Mizoram, India. MNF emerged from the Mizo National Famine Front, which was formed by Pu Laldenga to protest against the inaction of the Government of India towards the famine situ ...

then Chief Minister Pu Zoramthanga's relatives figured among nine people named in

Central Bureau of Investigation The Central Bureau of Investigation (CBI) is the domestic crime investigating agency of India. It operates under the jurisdiction of the Ministry of Personnel, Public Grievances and Pensions. Originally set up to investigate bribery and gover ...

charge sheet. When Pu Lalthanhawla, who had started the project came back in power, he took initiatives to restart the project. The Cabinet Committee on Economic Affairs (CCEA) approved the 60 MW Tuirial Hydro Electric Project (THEP) project costing Rs 913 crore in 2010.

References

{{Mizoram Hydroelectric power stations in Mizoram Dams in Mizoram Dams completed in 2017 2017 establishments in Mizoram Energy infrastructure completed in 2017