Heo Grenfield hydroelectric Project   
Project Code 6000006512
Project Name Heo Grenfield hydroelectric Project
Project Type Capital Project Status Active
Sector Power Project Stage Engineering
Project Cost Rs. 1,920.00 Cr.  Project Phase Site Preparation
NIC Subcode(s) Description
35101 Electric power generation by hydroelectric power plants
Facility Name Heo HEP (240 MW) Status Planning 
Sector Power Main Energy Source Water  
Commissioning Date   Other Energy Sources  
Address Purying Village Siang
West Siang, Arunachal Pradesh
791003, India
Telephone 0364 -2220014
Fax -
Owner North Eastern Electric Power Corporation Limited North Eastern Electric Power Corporation Limited Website http://neepco.co.in/neepco/
Operator North Eastern Electric Power Corporation Limited North Eastern Electric Power Corporation Limited Website http://neepco.co.in/neepco/

North Eastern Electric Power Corporation Ltd. (NEEPCO) plans to develop a 280 MW (2*140 MW) greenfield hydroelectric power project in Hirong Village of Siang District, Arunachal Pradesh. The Detailed Project Report (DPR) has been prepared by Aquagreen Engineering Management Pvt. Ltd. A Memorandum of Understanding (MoU) has been signed between the Government of Arunachal Pradesh and NEEPCO. The Environmental Impact Assessment (EIA) report has been prepared by R.S. Envirolink. WAPCOS Ltd. has been selected as the lead consultant and Project Management Consultant (PMC). NEEPCO has selected Patel Engineering as contractor for civil and HM turnkey contract(2024_NEEPC_216656_1). Mobilization works are in progress. Tender for electro-mechanical works packages(2025_NEEPC_228155_1) has been floated and its suffers a 11th time bid extension. Bid for EM package will opened on 4th Nov. 2025. Rinya Yangfo Construction is construction the approach road upto the DAM site. Further bids are expected soon. The project requirements include load cum excavator, hydraulic excavator, jackhammer, water sprinkler machine, aggregate crushing plant, grouting pump, needle vibrator, air-water jet blaster, drilling machines, DG sets, EOT crane, mobile crane, air compressor, tunnel boring machine (TBM), dozers, piles, gates, and hydraulic hoists, spillway stop logs, valves, nozzles, intake trash rack, wheel gates, trash rack cleaning machine, penstock, actuation system, vertical Francis turbine, pumps, casing, runner blades, guide vanes, oil pressure unit, seal, generator and its control panel, guide bearings, protection relays, transformer, battery bank, SCADA, unit control board, sensors, console, display panels, gas-insulated switch-gear, and its auxiliaries cables, transmission lines, among others.

Technical bid for the EM work package is likely to be opened in Q1 2026

Expenditure Approval RFQ Date Release Date Start Date Completion Date Audit Date
2023 Q1:2026 Q1:2026 2025 2030 28/Oct/2025
Sell Electricity?
Name Project Role Designation Company City Phone Audit Date E-mail
Mr.Gautam Kumar Owner Project Engineer North Eastern Electric Power Corporation Limited North Eastern Electric Power Corporation Limited Shillong* 03670 - 288241 28/10/2025 contract.khep@gmail.com
Equipments
Requirement Name Additional Details
Valves
Utilities
Turbine
Transportation
Structural
Storage
Sealing
Raw material
Pumps
Production Process
Process
Piping
Packaging
Mechanical
Lubrication
Insulation/coating
Instrumentation
HVAC
Heat transfer
Generator
Fire-proofing
Environmental
Electrical