Consultancy services sought for Upper Dibang projects

Indian hydropower producer Satluj Jal Vidyut Nigam (SJVN), a joint venture of the Government of India and the Government of the northern state of Himachal Pradesh, seeks consultancy services for the preparation of bankable Detailed Project Reports (DPRs) for the 500 MW Emini, 420 MW Amulin and 400 MW Mihumdon hydropower projects in the Dibang Valley in the northeastern state of Arunachal Pradesh. Request for Proposals (RfPs) are invited by 21 July from eligible consulting firms that are registered in India on a Single Stage -Two Part e-procurement bidding basis.

The projects are among five storage stations totalling 5097 MW to be developed by SJVN as a cascade in the upper Dibang river basin. The utility was allocated development rights for the three projects as well as Etalin (3097 MW) and Attunli (680 MW) by the state government in 2021.

The Emini and Amulin projects are designed to harness the rivers Mathun and Adzon, tributaries of the upper Dibang. Emini is currently designed with a concrete gravity dam, two 5 km-long headrace tunnels and an underground powerhouse with four 125 MW units, which will generate 1695 GWh per annum. Amulin is designed with a concrete gravity dam, a single 7 km-long headrace tunnel and an underground powerhouse with three 140 MW units, which will generate 1716 GWh per annum.

The Mihumdon project, on the upper reaches of the Dibang, is designed with an earthcore rockfill dam with a central spillway, a 7.5 km-long headrace tunnel and a surface powerhouse.

The DPRs shall be based upon the “Guidelines for Formulation of Detailed Project Reports for Hydro Electric Schemes”, June 2023 (Revision 7.0) issued by the Central Electricity Authority and other recent guidelines of the GSI and CWC. The DPRs will be submitted to various agencies of the Government of India and State Government such as Central Electricity Authority (CEA), Central Water Commission (CWC), Geological Survey of India (GSI), Central Soil and Material Research Station (CSMRS) in order to obtain Techno-Economic Clearance (TEC) and other statutory clearances as well as the forest and environmental clearance from the Ministry of Environment, Forest and Climate Change. Besides preparation of these documents, the consultant shall provide assistance in obtaining clearances from the CEA, CWC and various appraising groups and departments.

A consultant can apply only as a sole bidder. No joint ventures or consortia are allowed.

Tender documents containing the RFP Notice, Instructions to Consultants, Technical Proposal, Financial Proposal and Terms of Reference are available for downloading on SJVN’s website ( and GeM portal ( Applicants are required to bid through the GeM portal only. For further information, contact: General Manager (Civil Contracts), Corporate Contracts Department (Civil), SJVN Corporate Head Quarters, Shanan,

Shimla-171006, (H.P.) India; Tel.: +91-177-2660167; E-mail: