Name : Chepe A Hydropower Project (7 MW)
A. PROGRESS
B. PROJECT FEATURES
1. Project Details
Development Region | Western Development Region |
District | Gorkha and Lamjung District |
Water Source | Chepe Khola |
Type of Scheme | RoR |
Access Road | Dumre-Paluntar (22 km black topped) Earthen - Borangkhola to Kuyele |
Gross Head | 91 m |
Design Discharge | 10.0 m3/s |
Install Capacity | 7 MW |
Annual Energy | 39.3 GWh (Dry-11.8, Wet–27.5) |
2. Hydrology
River | Chepe Khola |
Catchment Area at Intake | 189.64 km2 |
Design flood at Intake (100 years) | 674 m3/s |
Environmental Flow | 0.303 m3/s |
3. Headworks
Diversion structure | Free flow weir |
Length of weir | 43 m |
4. Connecting Canal
Canal Type | Rectangular RCC closed conduit |
Length of Canal | 155 m |
5. Desilting Basin
Type | RCC Rectangular, 4 bays |
Dimension (width * height) | 5 m x 5 m |
Length of effective basin | 45 m |
6. Headrace Pipe
Conveyance Length | 3250 m |
Type | E350BR |
Diameter | 2.3 m internal dia. |
7. Surge Tank
Type | Simple Circular |
Construction | Concrete lined |
Diameter | 10 m |
Height | 22.5 m |
8. Penstock Pipe
Type | Welded Surface/Burried Penstock |
Length | 420 m |
Diameter | 1.9 m internal dia. |
Pipe Material | E350BR |
9. Powerhouse
Type | Surface with out door substation |
PH dimension (L * W) | 32 m * 9 m |
Height of PH building | 8 m |
10. Tail race
Type | Rectangular |
Material | RCC canal |
Length | Main 35 m, Feeder 168.7 m |
11. Turbine
Number of Units | 2 |
Type | Francis |
12. Generator
Number of Units | 2 |
Type | Synchronous, 3-phase |
13. Transmission
Transmission length | 12 km |
Capacity | 33 KV |
Substation | Palungtar Substation |
Alternate (@5 km) | Chipleti, Siranchowk (most likely-under process) |
14. Financial Analysis (Updated Feasibitrty study)
Project Cost with IDC (NRs) | 1,320,000,000 |
Loan Interest Rate | 11% |
Internal Rate of Return | 15.2% |
Return on Equity | 21.21% |
Simple Payback Period | 5.85 yrs |
Discounted Payback Period | 9.30 yrs |
B/C ratio | 1.37 |
Debt. Service coverage ratio | 1.75 |
Cost per kilowatt (1 $ =NRS 115) | $1623 |