Jagdulla Storage Hydro Electric Project

  • Project Date:06 December 2017
  • Our Team:
  • Client:
  • Categories:Detailed Engineering Study
Description

Proposed Jagdulla Storage Hydro Electric Project (JSHEP), located in Dolpa District, utilizes river discharge flowing from Jagdulla River. It is a storage project with an installed capacity of 307 MW.

Salient Features of the Project:

1

General

 

a

Name of the project

: Jagdulla Storage Hydro Electric Project

b

Type of the project

: Storage

c

Province

: Karnali

d

District

: Dolpa

f

Stream/River

: Jagdulla Khola

g

Easting

: 8230'00'' E to 8238'32'' E

h

Northing

: 290000'' N to 290811'' N

i

Nearest Highway

: Dolpa Road

j

Climate

: Cold

2

Hydrology

 

a

Catchment area

: 662 km²

b

Annual mean flow

: 17.24 m3/s

c

Maximum monthly Discharge

: 52.1 m3/s

d

Minimum monthly discharge

: 4.60 m3/s

e

Average Design discharge

: 39.50 m3/s  

3

Dam

 

a

Type of Dam

: Earthen / Concrete (Optional)

b

Maximum Water Level

: 2800 amsl

c

Dam Height

: 200 m

d

Dam Volume Capacity

: 336.14 MCM

e

Live Storage

: 222 MCM

f

Dead Storage

: 113 MCM

4

Water Conveyance System

 

a

Type

: Headrace tunnel, surge shaft, penstock pipe

b

Length

: 5.45 km headrace tunnel

c

Gross Head

: 800 m to 880 m

5

Penstock

 

a

Length, Km

: 700 m

b

Type

: Tunnel

6

Powerhouse

 

a

Type

: Underground

b

Number of Generating Units

: 3

c

Elevation

: 1920 amsl

d

Type of Turbine

: Pelton, horizontal shaft

7

Tailrace Tunnel

 

a

Type

: Tunnel

b

Length

:  Approximately 100 m

8

Power and Energy

 

a

Power

: 307 MW

b

Operation Schedule

: 12 hr per day from Dec to July, Aug.5.8 hr, Sept. 5.7 hr, Oct. 10.37 hr and Nov 5.04 hr          

c

Dry Energy

: 642.58 GWh

d

Wet Energy

: 455.68 GWh

e

Total Energy

: 1098.53 GWh

9

Transmission Lines

 

a

Length, Voltage

: 85 Km (Approx.) 200 kV Double Circuit, Chaurjhari Sub Station

10

Approach Road

: No access up to this date

Consultant’s Scope of Works:

  • Desk study and secondary data collection.
  • Field reconnaissance and identification of alternative project sites.
  • Hydrological and sedimentology study.
  • Geological study of the project area.
  • Engineering design of project structures.
  • Power and energy estimation.
  • Project cost estimation and financial evaluation.
  • Preparation of tender documents.