Greensite Projects
Introduction
Arakot Tiuni Barrage site
The Arakot-Tiuni Hydro Electric Project is planned between Villages Arakot & Tiuni. The project is envisaged in the middle of 2 cascade projects; one is upstream project namely Sawra Kuddu HEP (111 MW) (already commissioned) & the other Tiuni – Plasu (72 MW) on the downstream.
Arakot Tiuni Power House
The location and levels of the Arakot Tiuni project have been fixed keeping in view latest prevailing guidelines of MoEF for maintaining more than 1km free riverine stretch in between two projects.
The proposed project located in Uttarakhand state envisages utilization of water of river Pabbar which is a tributary of river tons (which itself is a tributary of river Yamuna) for generation.
The project is located about 185 km from Dehradun (nearest railhead) and the barrage of the project is located near village Arakot (Distt Uttarkashi) while power house is located on the left bank of Pabbar River just upstream of its confluence with Tons near Tiuni town (Distt Dehradun).
Salient Features
• Location: Near Arakot and Tiuni village (District Uttarkashi & Dehradun)
• River: Pabbar river, (tributary of Tons)
• Capacity: 81 MW (3 units of 27 MW)
• Barrage: 6 Nos. (5 Nos Sluice Spillway 18.50 m(W) x 14.30m(H) & 1 nos Emergency gate)
• Head Race Tunnel (HRT): 1 no. Horse Shoe Shaped 4.60 m Diameter
• Surge shaft: 12.50 m dia, restricted orifice type.
• Power House: Surface (Pit Type) & Size 71.00 m (L) x 20.00 m (B) x 38.30 m (H)
• Generator: 3 units of 27 MW each
• Turbine: 3 Nos Vertical Axis Francis Turbine
• Rated head: 214.12 m
• Annual Generation: 321.67 Million Units (MU) in 90% dependable Year
• Year of Commissioning/Completion Schedule: 54 months.
Status
Present Status: Currently the project is under DPR Approval stage.
Introduction
Bhairon Ghati Hydroelectric Project is proposed for development using waters of Bhagirathi river upstream on the Loharinag-Pala project in Uttarkashi district of Uttarakhand. One of the main tributaries of river Bhagirathi in the project area is Jad Ganga; which meets Bhagirathi, some 90 km upstream of Uttarkashi.
The Bhairon Ghati village is located just upstream of the confluence. The project with a proposed installation of 381 MW (3 x 127 MW) is envisaged to generate an annual energy generation of 1406.20 MU in a 90% dependable year.
Salient Features
• Location : Uttarakahsi, Uttarakhand
• River : Bhagirathi
• Capacity : 381 MW
• Gravity Dam : 6 Nos. of radial gates of size 12×9.5 m of barrage
• Circular Head Race Tunnel : 4.7 Km, 7.0 m dia
• Surge shaft : 14.0 m dia orifice type of 74.0 m height
• Pressure shaft : 3 Nos. 3.65 m dia
• Under ground Power House : size 91.5m (L) x 21m (W) x 41.5m (H) size
• Generator : 3 units of 127 MW each
• Vertical Francis Turbine : 3 Nos.
• Net head : 280.0 m
• Annual Generation : 1406.20 MU
• Project Cos : Rs. 2033.37 crore on June 2007 PL
Status
Present Status: Project has been discontinued by GoI on the basic of NGRBA meeting held on 01.11.2010 as communicated by Government of Uttarakhand vide letter no. 03/1(2)/2010-04/(8)/52/2008 dated 03.01.2011.
Introduction
The Bowala Nandprayag Hydro Electric Power Project is proposed in Chamoli district of Uttarakhand State on the Alaknanda River, about 8Km from Chamoli. The Alaknanda River is one of the main tributaries of the Ganga.
The Project may be approached via a 200 km long drive from Rishikesh on National Highway 58 which goes up to Badrinath, the road is metaled right up to the project site. The project with a proposed installation of 300 MW (4 x 75 MW) is envisaged to generate an annual energy generation of 1343.1 MU in a 90% dependable year.
Salient Features
• Location: Chamoli, Uttarakhand
• River: Alaknanda
• Capacity: 300 MW
• Barrage: 9 Nos. of gates of size 11.0 x 14.0 m
• Head Race Tunnel: 10.05 Km, 9.3 m Dia,Horseshoe
• Surge Shaft: 27 m Diaunderground restricted orifice of 120.2 m high
• Penstock: 4 Nos., 3.0 m Dia, each
• Powerhouse: Surface, size 114.6 m long x 26.7 m wide x 45.1 m high
• Generator: 4 units of 75 MW each
• Francis Turbine: 4 Nos. (Vertical)
• Rated Head: 138.9 m.
• Project Land: 81.004 Hectare (Total land including underground requirement)
• Annual Generation: 1343.1 MU
• Project Cost: Rs. 2831.29 crore (Including IDC and FC)
Status
Present Status: Fresh ToR/Techno Economic Concurrence (TEC) has not been issued by MoEF & CC/CEA respectively.
Introduction
GoU vide letter no. 2144/I-1/04(08)/63/2003 e-file:52381 dt: 05.12.2023, allotted the Hanol-Tiuni HEP to UJVN Ltd with direction to do the all-necessary action for development & construction of project.
Meanwhile, in compliance to the directives of GoU, the feasibility report (FR) for the integration of two standalone Hydroelectric Projects i.e. Mori-Hanol (63 MW) of TUECO & Hanol-Tiuni (60 MW) of UJVN Ltd into a single integrated Mori-Tiuni HEP on river Tons, has been prepared.
The Feasibility Report (FR) has been submitted to GoU. Direction from GoU is awaited.
Salient Features
Status
Present Status: DPR preparation work of the project is under progress.
Introduction
This is an on-stream type of PSP and is proposed to utilize the reservoir of Ichari Dam, which was built for the Chhibro powerhouse. The Ichari PSP has an installed capacity of 600 MW. The annual design energygeneration is 1248.30 MU and pumping energy requirement is 1588.10MU with 95% machine availability for1.5 cycle in day. The annual design energy generation can be further increase to 1664.40 MU and pumping energy requirement to 2100.74 MU with 95% machine availability for 2.0 cycle in day post construction of Kishau Dam in view of regulated flow release from Kishau Reservoir.
The Total Project Cost (all inclusive) is expected to be Rs. 2,672.43 crores. The project has been allotted to UJVNL by GoU, vide order no: 650/I-1/2025-04(08)/2023 dated 24.06.2025.
Salient Features
• Location: Dehradun, Uttarakhand
• Type of PSP/River: On-stream, Tons River
• Upper Reservoir:New reservoir to be constructed with concrete gravity Dam 225m long at Top & 66m high above ground level
• Lower Reservoir: Reservoir of Chhibro HEPat Ichari Dam
• Head Race Tunnel: 7.5m Dia., 1913m Long, D-Shape
• Surge Shaft: 12m Dia., 105 m High with 4m Dia. Orifice
• Pressure shaft:1nos. of 5.8 Dia, 943m long (Circular)
• Powerhouse: Underground
• Capacity: 600MW
• Details of Gen. Unit:2 nos. of 200MW&2 nos. of 100MW, Vertical Shaft Reversible Francis Pump-Turbine
• Rated Gross Head: 439.17m (Generation Mode)
• Tail Race Tunnel: 3 nos., each 301 m long &4.4m Dia. (D-shape)
• Annual Generation: 1248.30 MU
• Project Cost: Rs. 2672.43 Crore
• L. Tariff: Rs. 8.53/Unit (Post Kishau will be Rs. 8.02/Unit)
• Construction Period: 42 Months
• Target Year of Commissioning: 2033-34
Status
Present Status: DPR of the Ichari Pumped Storage Project is under preparation.
Introduction
This is an on-stream type of PSP and is proposed to utilize the existing reservoir of Kalagarh MPP of UJVNL onriver Ramganga in district Pauri Garhwal (UK). A reservoir is proposed to construct in cut &fill for the purposeof lower reservoir area. Most of the appurtenant structures of project lies in the Jim Corbett National Park andsame portion of the proposed lower reservoir is falls in Uttar Pradesh state.
Kalagarh Pumped Storage Scheme (1200 MW) envisaging peak annual energy generation of 3744.9 MU. Thetotal estimated project cost is Rs. 8,506.14 Cr. including IDC, FC and escalation. The project has been allotted to UJVNL by GoU, vide order no: 650/I-1/2025-04(08)/2023 dated 24.06.2025.
Salient Features
• Location: Pauri Garhwal (Uttarakhand) & Bijnor (UP)
• Type of PSP/River: On Stream Type/Ramganga river
• Upper Reservoir:Existing Ramganga reservoirof Kalagarh Dam)
• Lower Reservoir:Newlyproposed reservoir (To Be Constructed in cut & fill)
• Head Race Tunnel:8nos., length 1848m, 7.5.0 m dia., Modified Horseshoe Shape
• Surge Shaft:270 m (L) and 18 m (W), Rectangular
• Pressure shaft:8 nos. of 6.2 m dia. Length 296 m
• Powerhouse: Underground
• Capacity: 1200MW
• Details of Gen. Unit:8 Nos. 150 MW, Vertical Shaft Reversible Francis Pump-Turbine
• Rated Gross Head: 103.20m (Generation Mode)
• Tail Race Tunnel: 8 nos., each 279 m long &8.0m Dia. (D-shape)
• Annual Generation: 3744.9MU
• Project Cost: Rs. 8506.14 Crore
• L. Tariff: Rs. 9.57/Unit (For Average Operational Days of 327 nos.)
Status
Present Status: The PFR of the project has been prepared. As some portion of the project falls under the territory of Jim Corbet National Park, prior approval from the Forest Department is required before starting work on the DPR.
Introduction
Lakhwar Multipurpose Project envisages construction of Lakhwar dam on river Yamuna with dam toe underground power house (3×100 MW) near Lohari village, and a barrage near Kathapathar approximately 3.0 Km downstream of Hatiyari Power house of Vyasi project, as balancing reservoir.
The inflow and stored water in Lakhwar and Vyasi reservoir after generation of power at Lakhwar underground power house and Hathiari surface power house will be balanced at Katapathar barrage for downstream uses.
The gross storage of the project is 587.84 MCM and live storage is 330.40 MCM. Lakhwar Multipurpose Project will provide irrigation to 33780 ha land, drinking/Industrial water benefits of 78.83 MCM and power generation of 300 MW/572.54 MU. Water benefits will be shared to six States namely Haryana, UttarPradesh, Uttarakhand, Rajasthan, Delhi and Himachal Pradesh. The Project shall also help in controlling flood in River Yamuna as well as its rejuvenation.
Foundation Stone for Lakhwar Multipurpose Project was laid by Hon’ble Prime Minister on 30.12.2021. Contract for Balance Civil Works of the project was awarded to L&T Limited on 01st February 2023. Construction work of project is under progress.
Salient Features
• Location : Dehradun/Tehri Garhwal District, Uttarakhand
• River : Yamuna
• Capacity : 300 MW (3×100 MW)
• Annual Generation : 572.54 MU
• Concrete Gravity Dam : 204.0 m high
• Pressure shaft : 4.30 m dia 03 Nos.
• Under ground Power House : 165 m x 20 m x 46.8 m D-Shaped
• Vertical Francis Turbine : 3 Nos.
• Rated head : 148.00 m
• Project Cost : Rs 5747.17 Crore(PL July 2018)
• Year of Commissioning/Completion Schedule : 31st December 2031
Status
Present Status:
Introduction
This is an on-stream type of PSP and is proposed to utilize the reservoirs of Lakhwar MPP & Vyasi HEP. Lakhwar-Vyasi Pumped Storage Scheme (300 MW) envisaging peak annual energy generation of 952.9 MU.
The total estimated project cost is Rs. 1,740.26 Crs. including IDC, FC and escalation. The project has been allotted to UJVNL by GoU, vide order no: 650/I-1/2025-04(08)/2023 dated 24.06.2025.
Salient Features
• Location: Dehradun, Uttarakhand
• Type of PSP/River: On-stream, Yamuna River
• Upper Reservoir:Reservoir of Lakhwar MPP (Under Construction)
• Lower Reservoir:Reservoir of Vyasi HEP (120 MW, Operational)
• Pressure shaft: 3nos. of 4.1 Dia, 722m long (Circular)
• Powerhouse: Underground
• Capacity: 300MW
• Details of Gen. Unit: 3 nos. of 100MW, Vertical Shaft Reversible Francis Pump-Turbine
• Rated Gross Head: 152.67m (Generation Mode)
• Tail Race Tunnel: 3 nos., each 592 m long & 5.0m Dia. (D-shape)
• Annual Generation:952.9 MU
• Project Cost: Rs. 1740.26 Crore
• L. Tariff: Rs. 8.47/Unit (Integrated Scheme)
• Construction Period: 42 Months
Status
Present Status: The economic evaluation of Lakhwar-Vyasi PSP (300 MW) and Integrated scheme of Lakhwar-Vyasi-Katapathar (300 MW +150 MW) has been carried out to study the economic viability of the project. The Live storage of Vyasi reservoir and proposed Katapathar reservoir is 2.62MCM and 3.32 MCM, respectively. Keeping in view limited live storage of Vyasi reservoir (Lower Reservoir), Lakhwar-Vyasi PSP is proposed to be operated in tandem with Vyasi-Katapathar PSP.
DPR of the integrated Lakhwar-Vyasi (300MW) and Vyasi Katapathar(150MW) PSP is under preparation.
Introduction
This is an off-stream type of PSP, proposed in vicinity to Maneri Bhali HEP-II of UJVNL. Maneri Bhali PSP is proposed with installed capacity of 400 MW. The design energy is 1248.3 MU, with 95% machine availability.The Annual Pumping Energy for filling the upper reservoir is 1551.0 MU.
The Total Project Cost is expected to be around Rs. 2,603.05 Crores. The levelized cost over a 40-year period works out to Rs. 8.34 per kWh, considering the cost of pumping @ Rs. 3.33/kWh. The project has been allotted to UJVNL by GoU, vide order no: 650/I-1/2025-04(08)/2023 dated 24.06.2025.
Salient Features
• Location: Uttarkashi, Uttarakhand
• Type of PSP/River: Off-stream Type
• Upper Reservoir:Newlyproposed reservoir (To Be Constructed in cut & fill)
• Lower Reservoir:Newlyproposed reservoir (To Be Constructed in cut & fill)
• Pressure shaft:2nos. of 3.4 Dia, 977m long (Circular)
• Powerhouse: Underground
• Capacity: 400MW
• Details of Gen. Unit:2 nos. of 200MW, Vertical Shaft Reversible Francis Pump-Turbine
• Rated Gross Head: 457.67m (Generation Mode)
• Tail Race Tunnel: 3 nos., each 460 m long & 4.5m Dia. (D-shape)
• Annual Generation: 1248.30 MU
• Project Cost: Rs. 2603.05 Crore
• L. Tariff: Rs. 8.34/Unit (Integrated Scheme)
Status
Present Status: The PFR of the project has been prepared. As the project falls in the Ganga River basin in District Uttarkashi, prior approval from the CEA/CWC, New Delhi is required before starting work on the DPR.
Introduction
Nand Prayag Langasu Hydroelectric project located on the New Delhi – Badarinath NationalHighway No. 58 almost midway between Karanprayag and Nandprayag in Chamoli district of Uttarakhand State, envisages utilization of the water of river Alaknanda for power generation on a run of the river scheme harnessing a gross head of about 80 m.
The project with aproposed installation of 100 MW (4 x 25 MW) is envisaged to generate an annual energy generation of 490.45 MU in a 90% dependable year
Salient Features
Location: Chamoli, Uttarakhand
⦁ River: Alaknanda
⦁ Capacity: 100 MW
⦁ Barrage: 185 m long across river Alaknanda
⦁ Head Race Tunnel: 4.8 km long and 9.00 m diameter (D shaped)
⦁ Surge Shaft: 18 m diameter underground with 64 m Height open air expansion
chamber
⦁ Pressure Shaft: 2 Nos.,5.1 m Dia with bifurcation of 4 Nos. 3.6 m dia.
⦁ Generator: 4 units of 25 MW each
⦁ Vertical Francis Turbine: 4 Nos.
⦁ Net Head: 45.4 m
⦁ Annual Generation: 490.45 MU
⦁ Project Cost: Rs. 1401.21 crore (Including IDC) at 2010 PL
Status
Present status: Fresh ToR has not been issued by MoEF & CC.
Introduction
Sirkari Bhyol Rupsiabagar Hydro Electric Project (SBRHEP) is located in Pithoragarh district of Uttarakhand envisages utilization of the waters of the river Goriganga, a tributary of Kali (Sharda), for power generation on a run of river type development, harnessing a head of about 357.83 m. The project with a proposed installation of 120 MW (3 x 40 MW) is envisaged to generate an annual energy generation of 529.12 MU in a 90% dependable year.
The project is located from geological coordinates: Latitude 30° 11’1.5’’N & Longitude 80°14’ 05’’E
Salient Features
The project envisages following components:
Project is U/s of confluence of Ralam Gad with Goriganga river, 470m D/s of confluence of Jaulchidda Gad with Goriganga river
⦁ 80 m long, 13 m height barrage with raised crest.
⦁ 5 nos. radial gates 12.0 m(W)x 9.0m(H)
⦁ 2 underground desilting chambers 150 m(L) x 10.75 m(W) x 17.80m(H)
⦁ 1.44 km long headrace tunnel Ø 4.20 m
⦁ 38.50 m deep surge shaft Ø 8 m, restricted orifice, open to sky
⦁ 454 m long main penstock of Ø 3.4m, trifurcated to 3 individual nos. of Ø 2.0 m
⦁ Underground powerhouse [87.00m (L) x 17.50m (W) x 37.00m (H)]
⦁ 3 Vertical Francis type turbines of 40 MW each, operating under a net head of 351.46 m
⦁ 246.20 m long tailrace tunnel with Ø 4.8m D-Shaped.
⦁ Open Switchyard.
⦁ Expected year of commissioning: 48 months from zero date.
Status
Present status: Tender for Civil and HM works have been floated.
Introduction
The Sela Urthing Hydroelectric Project is located in Pithoragarh district of Uttarakhand envisages utilization of the waters of the river Dhauliganga, a tributary of Kali (Sarda), for power generation on a run of river type development, harnessing a head of about 255.5 m.
The project with a proposed installation of 114 MW (3 x 38 MW) is envisaged to generate an annual energy generation of 466.46 MU in a 90% dependable year.
Salient Features
• Location : Pithoragarh, Uttarakhand
• River : Dhauliganga
• Capacity : 114 MW
• Concrete Gravity Barrage : 26.0 m high
• Head Race Tunnel : 3.28 Km, 4.5 m dia D Shaped
• Surge shaft : 8.0 m dia of 50 m height
• Penstocks : 1 no trifurcating to 3 nos, 3.8 m dia trifurcated & reduced to 2.2 m
• Surface Power House : Size 20 m x 69 m
• Generator : 3 units of 38 MW each
• Horizontal Francis Turbine : 3 Nos.
• Rated head : 255.4 m
• Annual Generation : 466.46 MU
• Project Cost : Rs1904.32 crores at 2020 PL
• Year of Commissioning/Completion Schedule : 60 months from the date of start of construction.
Status
Present Status: The hydrology report of the project has been approved by the Central Water Commission and power potential by the Central Electricity Authority. Considering the project to be in the Ganga basin, and due to the restriction on hydropower projects in the Ganga basin in Uttarakhand, the Central Water Commission, has removed this project from its list. Efforts are being made for re-evaluation, of the project.
Introduction
Tamak-Lata Hydroelectric Project is planned as a Run–of–River Project on river Dhauliganga to develop a rated head of about 291.4 m between barrage site at Tamak village and Powerhouse site at village Lata in Joshimath Tehsil of Chamoli District of Uttarakhand.
The barrage site will be located immediately downstream of Tailrace out fall from Powerhouse of Jhelum-Tamak H.E. Project. The underground Powerhouse complex is located near village Lata upstream barrage site of Lata Tapovan HEP. The project with a proposed installation of 190 MW (4 x 47.5 MW) is envisaged to generate an annual energy generation of 1041.13 MU in a 90% dependable year.
Salient Features
• Location: Joshimath, Chamoli, Uttarakhand
• River: Dhauliganga
• Capacity: 190 MW (Previously 250 MW revised to 190 MW)
• Barrage: 62.5 m long on river Dhauliganga
• Head Race Tunnel: 11.215 Km, 6.0 m Dia Modified Circular
• Surge Shaft: 12.0 m Dia of 122.0 m height
• Pressure Shaft: Two each of 3.8 m diameter bifurcated near powerhouse into 2 nos. each of 2.5 m diameter.
• Powerhouse: Underground
• Generator: 4 units of 47.5 MW each
• Vertical Francis Turbine: 4 Nos.
• Rated Head: 291.4 m.
• Annual Generation: 1041.13 MU
• Project Cost: Rs. 1052.99 crore at Nov 2007 PLStatus
Present Status: Subject to decision of Honorable Supreme Court, as project is in WII list of 24 projects.
Introduction
The project is located in the Dehradun District of Uttarakhand. The diversion is located near tehsil town of Tiuni which is 1 km downstream of the proposed barrage location. The diversion site is about 200 m downstream of the confluence of river Pabar with Tons. The power station is proposed at 4.8 km downstream of the confluence of river Pabar with the river Tons on the left bank of river Tons.
The nearest rail head is at Dehradun, from where the project site is about 166 km. away via Koti-MeenusAtaal-Tiuni route. The nearest Airport is at Jolly Grant, which is at a distance of about 30 km from Dehradun.
Salient Features
⦁ Location: Tiuni, Dehradun District, Uttarakhand
• River: Tons, a tributary of Yamuna
• Capacity: 72 MW (2×36 MW)
• Barrage: 119 m length & 6 nos. gates (5 nos of spillway gates 15m x 20.3 m & 1 No under-Sluice gate)
• Adits/Headrace Tunnel (HRT): 4 nos. of adits & 1 no. Horse -Shoe Shaped 7.0 m Diameter
• Surge Shaft: 30 m Dia & 47.86 m height, (Restricted Orifice type)
• Pressure Shaft: Underground Pressure Shaft, Steel lined with ASTM 537 Class – II
• Surface Power House: 59.03 m(l) x 23.0 m(w) x 49.17 m (h)
• Generator: 2 units of 36 MW each.
• Turbine: 2 Nos. Vertical Axis Francis
• Rated head: 58.60 m
• Project land requirement: 54.636 Ha
• Annual Generation: 298.51 Million Units (MU) in 90% dependable Year
• Project Cost: Rs 888.13 Crore (PL July 2021)
• Year of Commissioning/Completion Schedule: 48 Months
Status
Presnet Status: Bid for the combined package of Civil, HM and E&M works has been invited.