Situated in Parbat district, this project is a Run-of-River type having 20 MW installed capacity. With 552 km2 of catchment area of the source river Modi, a flow of 28 m3/s and 84.3 m net head, this plant will be able to generate about 124.4 GWh of energy annually. This project will be of cascading type, utilizing the tail-water of the existing Modi Hydropower Project owned by Nepal Electricity Authority (NEA). This project requires no additional access road and only about 4.5 km transmission line to connect it to the national grid. A 4.5 km long tunnel will convey water from the headworks to the powerhouse. The construction period is expected to be about 3 yrs and the construction cost will be about 3.55 billion NRs. The project will generate revenue of about 729 million NRs annually.
Documents and drawings of the project has been prepared and submitted for the Power Purchase Agreement that will be negotiated with the NEA very soon. Financial Closure has been committed and in final stage. The Environmental Impact Assessment (EIA) report has been recently submitted to the ministry for approval. Detail Survey and Design for the Transmission Line is about to complete. Land procurement has been done and technical parameters are currently under final review for construction. Site mobilization has begun and constructions of camps are underway. Access roads are in tendering phase.
Located in Ilam district of Eastern Development Region, this project has Mai Khola as the source river which has about 53 km2 catchment area.Installed capacity of this scheme has now been upgraded to 10 MW
The project has a net head and flow of 374 m and 3.14 m3/s respectively. Water conveyance is by a 584m long headrace pressure pipe and 1978m long headrace tunnel and a 1845m of penstock. 3 years of estimated construction period costs about 1.6 billion Nepali rupees for this project. Annual generated energy is estimated to be 58.5 GWh and hence the revenue 230 million Nepali rupees.
The project definition report has been completed. Also, the detailed design, involving both Sanima and BPC is complete. Land acquisition is completed and construction of the road up to the project site is being done. Hydro Lab has been doing the headworks modelling and is about to submit the findings. Negotiation for a Power Purchase Agreement underway as the detail designing is completed. Site mobilization has already been started.
This project has now been optimized to have an installed capacity of about 252 MW. Project spreads from Ghasa in Mustang and Dharap in Myagdi district and is located at about 120 km North-West of Pokhara. The whole project lies in the trekking route to Jomsom. Kali Gandaki, one of the major and snow fed perennial rivers, is the major source for this project. At the project location, this river forms one of the world’s deepest gorges. Catchment area of the river is 3,570 km2. Net head and design flow is 513 m and 39.07 m3/s for 31 percentile exceedence flow respectively. Sediment study has been started with Hydro Lab.
Annual generation capacity is about 846 GWh. Construction most probably would take about 5 years with cost at about 1,643 US$ per kW. Major structure of this scheme would be a 6.1 km long, 4.5 m diameter tunnel and a semi-surface powerhouse. Feasibility study has been completed and submitted to DoED. EIA study has been started and TOR report has been submitted to Ministry of Environment for the final approval. This project lies within the Annapurna Conservation Area.
This project lies immediately upstream of the existing 4 MW Khudi Hydropower Project owned by Khudi Hydropower Limited. This project will have a tunnel of length about 6.6 km and have a gross head of about 520 m. Detailed Topographic Survey has been completed and the feasibility study has already on progress. This project will have an installed capacity between 26 MW.
The intake is in a deep gorge and access to it will be challenging. A road with several crossings along the way may be feasible. The power will have to be evacuated either to Middle Marsyangdi (30 km) or Upper Marsyangdi (6 km) or Upper Marsyangdi A (20 km) or Transmission line in Marsyangdi corridor by NEA (proposed).
Feasibility study of the project has been completed and the project is under detail design phase. Detail design will be completed by the end of November 2009. Sediment study has been started with Hydro Lab. Headworks modeling is under preparation. The geological condition looks very favorable and hydrology and head are attractive for this project. This project lies within the Annapurna Conservation Area.
Located just 8 km south of Mugling Bazar, access to the site is a positive point for developing this scheme. This Run-of-River project lies in Dahkkhani VDC in Chitwan district. Feasibility study of this project has been completed. Recently, Resistivity Study at the penstock alignment has been conducted and the reports being finalized.
With a 40% exceedance flow and a net head of 261.3 m, installed capacity of this project is about 3.63 MW. An inverted D shaped tunnel of 1.8m wide, 0.90 dia and 2m high and 1405 m long, a surface powerhouse are among the major structures of this scheme. Being close to settlements, only about 16 km transmission line (33 kV) has to be built to supply power to the Pipletar at Anbu Khaireni. Preliminary optimization suggests the benefit-cost ratio of about 1.81 and internal rate of return 20.75%. Also, cost per kW of this scheme comes little less than 1168 US$.
The Upper Maiwa hydropower project is located in Taplejung District of Eastern Development Region of Nepal. The proposed intake site is located in Maiwa Khola in Phakumba & Thinlabu VDCs and the powerhouse lies in Phakumba VDC about 10 km north west from Taplejung of Taplejung District . The nearest airport is located in close proximity of Taplejung.
The project is a run- of – river type project, having a total catchment area of 66.80 km2 with an available gross head of 530 m and the design discharge (preliminary) of 4.57 m3/s giving total installed capacity of 26 MW. All of the hydraulic structures including 5569.48 m long headrace tunnel are in the left bank of the Maiwa Khola, which is a tributary of Tamor River. The project generates about 109.84 GWh annual energy and has per kilowatt cost of 1966 US$.
Yangdeli Hydropower project is located in Taplejung District of Eastern Development Region of Nepal. The proposed intake site is located in Yangdeli Khola in Phakumba & Sangu VDCs and the powerhouse lies in Phakumba VDC about 10 km north west from Taplejung of Taplejung District . The nearest airport is located in close proximity of Taplejung.
The project is a run- of – river type project, having a total catchment area of 39.07 km2 with an available gross head of 280 m and the design discharge (preliminary) of 3.2 m3/s giving total installed capacity of 8 MW. All of the hydraulic structures including 2460 m long headrace tunnel are in the left bank of the Yangdeli Khola, which is a tributary of Maiwa River. The project generates about 40.79 GWh annual energy and has per kilowatt cost of 2172 US$.
This existing project is undergoing upgrading works. Located in Sindhupalchowk district and about 80 km from Kathmandu, it currently has an installed capacity of about 1 MW. Current upgrading works will increase the capacity to about 4.2 MW. This project has one of the highest head available among all hydro projects in Nepal with gross head around 616 m. Upgrading of civil works is undergoing and will be completed by the 3rd week of September. Switchyard will also be completed by then.
A new transmission line of 33 kV Capacity, 18 km long, is also under construction and will be completed by the end of September 2009 to evacuate the total generated power to Lamosanghu substation of NEA.
As almost all the existing components are able to cater requirements for upgrading to 4.2 MW, only few civil works and addition of a new electromechanical unit is necessary.
A team of high level management of Hydro Solutions has visited China for the inspection of Electromechanical units to be installed for the Baramchi Hydropower project from 21st July to 27th July 2009 and finalized the order of Electromechanical units for the project. The Manufacturer will dispatch the complete units on 15th September 2009 and the expected time of arrival at the project site is 30th September 2009. By 30th October 2009, the installation of complete electromechanical units will be completed and will start the commissioning.
The processes for PPA and grid connection agreements have been started and are expected to be completed by the end of September 2009.Upper Madi Hydro Pvt Ltd is the promoter for this project. This project lies in Parche and Namarjun VDCs of Kaski district, Gandaki zone. The powerhouse location is at 10 km distance from the Sabi village and the intake location is further 4 hours walk from the powerhouse area.
It is a run-of-river type project with alignment on the right bank of the source river Madi. With a net head of about 475 m and discharge 9.77 m3/s for 35 percentile exceedence, it has an installed capacity of about 38 MW. Main water conveyance is by a tunnel of 6 km length. The proposed power evacuation point is the Kaligandaki’s SS at Lekhnath, Pokhara. The project is under pre-feasibility study.
The proposed project is located in Mabu and Sulubun VDCs of Ilam district in Mechi Zone of the Eastern Development Region. It is a cascade development at downstream of the Upper Mai Hydropower Project by utilizing the turbine flow from the tailrace channel. The available flow during the dry months is less than the design flow. Thus, it is proposed to divert additional available flow in the river from the powerhouse site to the inlet structure of UM-C-HEP. There are several Kholsis as tributaries along the river stretch in between Intake and the powerhouse site of the preceding project.
Gross head available is about 156 m. Installed capacity is about 6 MW and annual generated energy 26.93 GWh. It consists of 79.44m long siphon, 343.6m long approach channel and 1336m long concrete/shotcrete lined pressure tunnel the main water conveyance. Mai Valley Hydropower P Ltd, the proponent for this project, has recently selected Hydro Solutions for conducting Feasibility, Detailed and Environmental Study for this project.
The proposed project is located in Mabu and Sulubun VDCs of Ilam district in Mechi Zone of the Eastern Development Region. It is a cascade development at downstream of the Upper Mai Hydropower Project by utilizing the turbine flow from the tailrace channel. The available flow during the dry months is less than the design flow. Thus, it is proposed to divert additional available flow in the river from the powerhouse site to the inlet structure of UM-C-HEP. There are several Kholsis as tributaries along the river stretch in between Intake and the powerhouse site of the preceding project.
Gross head available is about 156 m. Installed capacity is about 6 MW and annual generated energy 26.93 GWh. It consists of 79.44m long siphon, 343.6m long approach channel and 1336m long concrete/shotcrete lined pressure tunnel the main water conveyance. Mai Valley Hydropower P Ltd, the proponent for this project, has recently selected Hydro Solutions for conducting Feasibility, Detailed and Environmental Study for this project.
The proposed project is located in Ghumba VDCs of Sindhupalchowk district in Bagmati Zone of the Central Development Region. The Project is a simple run-of-the-river (RoR) scheme, which will divert a design flow of 10.75 m3/sec from Nyasim Khola (stream) in Ghumba VDC through approximately 1800m long 11.5 m2 horse-shoe shape tunnel and a 825m long 10-30mm thick 1650mm diameter penstock to the proposed powerhouse near Balephi-Ghumba confluence with three sets of Pelton generating units.
Water from tailrace outlet will be diverted back to Balephi. Utilizing a rated net head of 323.0m, the Project will generate 30MW of power with a saleable annual average energy of 140.70 GWh. Hydro Solutions P Ltd along with Energy and Hydropower Services P Ltd is developing the project. This project is expected to be completed in four years of time.
Hydro Solutions Pvt. Ltd.
Thulo Bharyang, Swayambhu-15
P.O Box: 19554, Kathmandu, Nepal
Phone: +977-1-4672598, 4672599,4672600
Fax: +977-14672601
Email: info@hydro-solutions.org