THULI BHERI HYDROELECTRIC PROJECT , (530 MW) PROJECT LOCATION

Dolpa District, Western Nepal Likhu, Narkhu, Laha and VDCs

PROJECT AREA ACCESS TO PROJECT SITE

Nalsing Gad Storage Project (400 MW)60 Km to TB

160 Km

KTM – 573 Km Lucknow – 185 Km ALTERNATIVE LAYOUTS ALTERNATIVE LAYOUTS

Head Race 16.5 Km , Tailrace 0.5 Km

Head Race 9.5 KM , Tailrace 9 Km PROJECT LAYOUT PROJECT FEATURES Location • District Dolpa • VDC Likhu, Kalika, Laha and Suhun • Access Road Total ( – P/H ) 220 Km Blacktopped - 160 km Earthen Road – 60 km (Under construction/ improvement by GoN/NA) • Nearest Airport (~ 10 Km) / C_Jhari : 60 Km

Survey License • Latitude 28° 58’ 10’’ - 29° 1’ 50”N • Longitude 82° 35' 00" - 82° 45' 00" E Hydrology • Design Discharge 150 m3/s • Catchment area 4173 km2 • 1000 yr flood 1569m3/s • PMF 3700 m3/s

PROJECT FEATURES Contd…

Concrete Dam • Crest level 1940 masl • Height of dam 54 m (deepest section)

Spillway • 2 Nos Radial Gates 6m wide, 8.5m high • Crest Level 1903 masl

Sluiceway • 2 Nos 5m wide, 6.5m high

Desander • Type Underground • Number 4 • Dimension 100mX 20mX 10m

PROJECT FEATURES Contd…

Tunnels and Conveyance System • Head Race Tunnel 16500 m, inverted D-shaped • Sectional Area 55 m2 • Tail Race Tunnel 500m, inverted D-shaped

Power House • Type Underground • Dimension 200m X16m X 30m

Trafo Cavern • Type Underground • Dimension 117m X 12m X20m

PROJECT FEATURES Contd…

Surge Shaft • Length 67m • Diameter 25m • Top Level 1964 masl Capacity and Production • Net head 433 m • Installed Capacity 530 MW • Nos. of turbines 6 units of Pelton • Annual energy production 2122 GWh • Wet Season Energy 1705 GWh • Dry Season Energy 417 GWh

220 kV Transmission • Transmission line 76 km to proposed substation at Chaurjhari / 40 Km to Nalsing Gad PROJECT FEATURES Contd…

Project Evaluation (Preliminary) • Project Cost US $ 850 Million • Project IRR 16.5 % • Return on Equity (RoE) 20.2 % • Construction Period 5 years HEADWORKS LAYOUT POWER PLANT LAYOUT POWER EVACUATION PROJECT STATUS

ACCOMPLISHED TASKS

 TOPOGRAPHICAL SURVEY AND MAPING  HYDROLOGY STUDY  GEOLOGICAL STUDY AND MAPING  GEOPHYSICAL INVESTIGATIONS  PHASE I – FEASIBILITY STUDY  ENVIRONMENTAL STUDY (INITIAL PHASES) (Project area sparsely populated, very less environmental & social issues) SITE PHOTOGRAPHS

Watershed Area at Headworks View of upper catchment area (top right)

Headworks Location : View from D/S SITE PHOTOGRAPHS

Geophysical Investigation SITE PHOTOGRAPHS

Locations of 2D ERT profiles ( > 4000m)

2D ERT profiles SITE PHOTOGRAPHS

Power plant view from d/s

Overview of Tunnel Alignment

Massive Rock mass above PH Cavern (Aerial View) SITE PHOTOGRAPHS

Topographical Survey at Site

Experts at Site SITE PHOTOGRAPHS

View of Reservoir area

Discharge Measurement WAY FORWARD/PLANNED ACTIVITIES

 DETAILED GEOLOGICAL INVESTIGATION & STUDY  FULL BLOWN DETAILED PROJECT REPORT (DPR)  DETAILED ENVIRONMENTAL AND SOCIAL STUDIES  OBTAIN PERMITS

 POWER PURCHASE AGREEMENT  FINANCE CLOSURE  COMMENCE CONSRUCTION CONCLUSION

THULIBHERI HEP IS

 TECHNICAL FEASIBLE  FINANCIALLY VIABLE  ENVIRONMENTAL AND SOCIALLY SUSTAINABLE

 COMPELLING FINANCIAL RETURNS

 POSSIBILITY TO ENHANCE CAPACITY / SEASONAL STORAGE

 INFRASTRUCTURES / TRL/ ACCESS ROAD ON TOP PRIORITY OF GoN  CONDUSIVE ENVIRONMENTAL & SOCIAL MILIEU AT PROJECT SITE  PROJECT LOCATION CLOSE TO LOAD CENTERS

THANK YOU!