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VEG – Tato-I Hydroelectric Power Plant 186 MW – Arunachal Pradesh - Project Profile

VEG – Tato-I Hydroelectric Power Plant 186 MW – Arunachal Pradesh - Project Profile


"VEG – Tato-I Hydroelectric Power Plant 186 MW – Arunachal Pradesh - Project Profile" contains information on the scope of the project including project overview and location. The profile also details project ownership and funding, gives a full project description, as well as information on contracts, tendering and key project contacts.

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M/S Siyota Hydro Power Pvt Ltd, a project unit of Velcan Energy Group (VEG) is undertaking plans to build a hydroelectric facility on Yarjep River in West Siang district of Arunachal Pradesh, India.

The project involves a 7.5m high trench weir intake, a horseshoe head race tunnel (HRT) of 3.9km long and a surface powerhouse with an installed capacity of 186 MW. The total land requirement is about 52.8ha, including underground structures of 2.3ha and river bed area of 2.8ha.

It includes the construction of a penstock, a surface powerhouse with three francis vertical turbines of 62MW each, a switchyard, a spillway, intake structures, access roads and related infrastructure.

In March 2008, a pre-feasibility report for Tato-I project was prepared and submitted to the state government of Arunachal Pradesh.

The proposed stretch of river available for project development was determined by the government of Arunachal Pradesh on July 31, 2009, through an amendment to the memorandum of agreement. In addition, the first two years of Hydrological & Meteorological studies.

In 2009, VEG entered into a MoA with the government of Arunachal Pradesh for the development of the Tato-I project on Build, Own, Operate and Transfer (BOOT) basis.

Water availability studies have been approved by the Central Electricity Authority (CEA) and Central Water Commission (CWC) in July 2010. The power potential studies have been submitted in July 2010 to the CEA, which finally requested the Project developer in April 2011, to increase the installed capacity from 170 MW to 186 MW.

The design of the project has been developed by the engineering department of Velcan Energy.

On May 10, 2013, VEG successfully filed the detailed project report (DPR) to CEA.

The EIA (Environment Impact Assessment) and EMP (Environment Management Plan) studies were submitted in June 2014 following successful public hearings held between August and November 2013.

Subsequently, the Expert Appraisal Committee (EAC), an independent, multidisciplinary body of experts, held appraisal meetings in July and August of 2014 and recommended to the ministry grant for the final environmental clearance.

In April 2015, Indian Ministry of Environment, Forests and Climate Change (MoEF) has approved the environmental clearance.

In November 2015, the project received techno-economic clearance from CEA.

In July 2016, VEG obtained approvals the government.

Planning activities are underway.


The project involves the construction of 186MW hydroelectric power plant spread across 56.8ha of land West Siang district of Arunachal Pradesh, India.

The US$230 million project includes the following:

1. Construction of a 7.5m high trench weir intake

2. Construction of a 3.9km long HRT

3. Construction of a surface powerhouse

4. Construction of a switchyard

5. Construction of a spillway, penstock

6. Construction of intake structures

7. Construction of access roads

8. Installation of three francis vertical turbines

9. Laying of transmission lines

10. Construction of related infrastructure

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1.Key Statistics
2.Key Dates
4.Operating metrics
5.Tender Information
8.Latest update
10.Key Contacts
11.General News, Project News

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