RANGANADI HYDRO POWER STATION

Introduction

Ranganadi Hydro Power Station is a run-of-the-river scheme with a small pondage to harness the hydro power of Ranganadi River with the Power House located at Hoz, Papum Pare District and the Dam located at Lower Subansiri District, Arunachal Pradesh. The installed capacity of the Plant is 405 MW with a catchment area of 1894 Sq. Km and design head of 304 m.

Features

Name

Capacity

405 MW

Location

Yazali, District-Lower Subansiri, Arunachal Pradesh,PIN - 791119

Approach

By Road - 90 KM From North Lakhimpur in Assam

Design Energy

1293.73 MU

Date of Commissioning

Unit-I --- 12th Feb 2002
Unit-II --- 12th Feb 2002
Unit-III --- 12th Apr 2002

Beneficiary States

Assam, Arunachal Pradesh , Manipur, Meghalaya, Mizoram, Nagaland, Tripura

Technical Features

DAM

Concrete Gravity, Height :: 68 m, Length :: 340 m

FRL

567 m

MDDL

560 m

Design Head

304 m

Penstock

Pr. Tunnel
5.8 m dia, 778 m long.
4.75 m dia, 137 m long
3.35 m dia, 147 m long.

HRT

Length : 10.13 Km

Dia. : 6.8 m

Surge Shaft

RESTRICTED ORIFICE TYPE, 95.00 Mtr Depth, 20 Mtr Dia.

Power House

Surface, 3 no. Vertical Francis Turbine

Generator

3 no. Semi-Umbrella Type, Rated Voltage- 11 KV

Generator Step Up Transformer

1-phase, 53MVA, 11/132 KV

Switchyard

Conventional outdoor, 132 KV / 400 KV

Evacuation of Power

400 kV Ranganadi-Balipara D/C Lines of POWERGRID

Achievement

3 X 135 MW Ranganadi HEP has been selected for NATIONAL AWARDS for the year 2004-05 for meritorious performance in Power Sector initiated by MOP, GOI.

Note: The figures in the graphs displayed are not for commercial and legal purposes

Status Of Generation

Contact Person

Project Head	Shri P.C. Barman
Designation	CGM(E/M),HOP
Telephone (O)	03809-222204
E-Mail	hopofficerhep[at]gmail[dot]com

Photo Gallery

Last Updated : 02/12/2021