Operational Plants

The Suringad-II Small Hydropower Project is located on Suringad which is a tributary of river Goriganga. Project is located in Munsyari tehsil of Pithoragarh district in the state of Uttarakhand. It has installed capacity of 5000 kW with two (02) units of 2500 kW. The project has been conceived as a run of the river project without any storage

The Kaliganga-II Small Hydel Project is located on the river Kaliganga, just upstream of Kalimath temple in the Rudraprayag district of Uttarakhand. It has installed capacity of 4500 Kwe with two (02) units of 2250 W. The project has been conceived as a run of the river project without any storage.

The Kaliganga-I Small Hydro Project is located on the river Kaliganga, between the bridge over Kaliganga on Jaltala to Chilan road and Kotimaheshwari temple. The project is located in the Ukhimath tehsil of Rudraprayag district of Uttarakhand. Project has installed capacity of 4000 kW with two (02) units of 2000 kW each. The project has been conceived as a run of the river project without any storage.

Galogi Power Station is located 22km away from the state capital Dehradun. Galogihydel power station was among the earliest hydropower plants commissioned by the British in 1907. Three more plants were commissioned at the same time at Chamba in Himachal Pradesh, Darjeeling in West Bengal and Mysore in Karnataka. Galogi was the first hydel power station to generate electricity and light up houses on November 9, 1912. Some of these records go as far back as December 19, 1912. While the other three plants have stopped functioning long back, Galogi continues to be in service, nearly 106 years later. It still lights up homes in Mussoorie’s Barlowganj and Doon valley’s Anarwala area in district Dehradun.

Mohammadpur small hydro power station is located on the Upper Ganga Irrigation canal that takes off from the Bhimgoda Barrage near Haridwar at a distance of 49.5 km downstream of Pathri, 22 km south of roorkee, 3km off dehradun – delhi high way . The surface Power House comprising 3 units of 3.1 MW each with Kaplan turbines is located on the unlined irrigation canal and the water is utilized for the irrigation purpose in the command area of the canal. The power station was commissioned in 1952. The discharge in the canal is regulated by UP Irrigation Department depending upon the irrigation requirement in the command area of the Irrigation canal.

Pathri small hydro power station is located Near Bahadrabad, Distt. Hardwar . The surface Power House comprising 3 units of 6.8 MW each with Kaplan turbines is located on theirrigation canal and the water is utilized for the irrigation purpose in the command area of the canal. The power station was commissioned in 1955-56. The discharge in the canal is regulated by UP Irrigation Department depending upon the irrigation requirement in the command area of the Irrigation canal.

The Dunao Small Hydel Project has an installed capacity of 1500 kW with two (02) units of 750 kW project. The project is located near the village Dunao in Dhumakot Tehsil of District Pauri garhwal at a distance of 150 kms from Kotdwar and 100 km from Ramnagar.

Purvi Nayar is a hilly stream and is a tributary of Ganga river. Purvi Nayar is a perennial stream with a minimum flow of around 1.32 cumec. At the diversion site is stream having a catchment area of 374 sq.km extending from a height of 3000 metre above MSL.

The power plant has two (02) turbine generating units each of 750 KW output at generator terminals. The turbines shall operate under a net head of 46.7 meters. As for this head Francis turbines are suitable, the same has been proposed. The turbine  generators shall be of horizontal shaft type alignment.

The generation voltage shall be at 3.3 KV volts which shall be stepped up to 33 KV through a common step-up transformer of 2000 KVA capacity. The energy produced shall be evacuated through a single circuit 33 KV transmission line up to the nearest 33 KV substation at SYUNSI at a distance of about 25 km from power house site.

Urgam Small Hydro Project, 2 X 1500 kW is situated near Helong at the Joshimath tehshil in of District Chamoli in Uttarakhand. It is a runoff the river scheme in order to harnesses the hydro potential of Kalpganga stream, a major tributary of Alakananda River. The Power House was commissioned by the erstwhile UP JalVidyut Nigam Ltd. in the year 1997.

The power plant has two turbine- generating units each of 1500 kW output at generator terminals. The turbine is pelton wheel horizontal wheel alignment.

The generating voltage is at 3.3kV which is stepped up to 33 kV through a common step up transformer of 4000 kVA capacity. The energy produced in power plant is evacuated through a 33 kV transmission line upto the nearest 33 kV substation at Marwari substation of UPCL. The said Transmission line is about 8.7 km long and is maintained by UJVN LTD itself.

The Pilangad Small Hydro Project is strategically located in Uttarkashi district of Uttarakhand, nestled in the village of Malla (Bhela Tepry) along the Uttarkashi-Gangotri route. The site benefits from a substantial catchment area of 198.5 square kilometres, fed by the Pilangad River, which ultimately joins the Bhagirathi River. The project is designed to handle a maximum flood discharge of 825 cumecs, making it suitable for medium to high head operations.

The diversion structure is a trench-type RCC weir, engineered to manage a discharge capacity of 3.50 cumecs. Water is directed through a hopper-type desilting tank capable of filtering particles of 0.2 mm and larger. The water conductor system includes a power duct and a rectangular open channel, with a total channel length of 1200 meters and a design discharge of 2.75 cumecs.

Water is stored temporarily in a forebay with two-minute retention capacity before being channelled through a single penstock that bifurcates into two pipes leading to the powerhouse. The powerhouse, built at an elevation of 1475 meters, houses two Francis turbines with a combined installed capacity of 2250 KW. These are paired with synchronous generators rated at 1250 kVA each, operating at 3.3/33 KV and 1000 rpm.

Chibro HEP is a Run-of-River scheme with an underground Power Station. It was the first underground Power Station in North India and was commissioned in year 1975. The Power station draws water from Ichari dam located on the river Tons, one of the major tributary of river Yamuna.

Chibro Power station is a unique engineering marvel in the country and was the first experience in carrying out tunneling in Himalayan Thrust Zones, which was a challenge due to varied rock structure and throws up unexpected challenges in tunneling efforts. The water from Ichari Dam is fed into the Power station through a 6.2 Km long Head Race Tunnel (HRT). The Power Station comprising of 4 units of 60 MW each Francis turbines of 84,000 HP output, is housed in a rock cover with the major challenge of maintaining fresh air and safety measures due to constraint of space. Design head of HEP is 110m.

Chilla Hydro Power Station is a run of river scheme constructed on river Ganga 5 km upstream of holy town Hardwar and is situated in District PauriGarhwal of Uttarakhand state. The scheme consists of a 312 m long, 11.5 m high gated diversion barrage at Pashulok, about 4 km downstream of holy town Rishikesh.

There are four generating units having vertical Kaplan turbines directly coupled with synchronous generator. This Power Station was commissioned in the year 1980-81.

Dhakrani HEP is a Run-of-River scheme with surface power station. It is located downstream of the Dakpathar Barrage at a distance of 8 km on the power channel which takes off from the Dakpathar Barrage constructed on river Yamuna at Dakpathar. River Tons is a major tributary of Yamuna and meets just before the location of Barrage. Tail water of Khodri Power Station also falls in Yamuna just upstream of the Barrage. The Tail water of Dhakrani Power Station feeds the downstream Dhalipur Power Station on the same power channel.

There are three generating units having vertical Kaplan turbine directly coupled with synchronous generator. The turbine output is 14300 HP for a rated net head of 19.8 m.

The Dhalipur HEP is a Run-of-River scheme wita surface type power station and is located on the downstream of the Dhakrani Power Station at a distance of 5 km from Dhakrani Power Station on the power channel which takes off from the Dakpathar Barrage. The Power Station was commissioned during December 1965 to March, 1970. The Dhalipur Power Station is a low head scheme located on power channel with a design discharge of 199.2 cumec.

There are three generating units having vertical Francis turbine directly coupled with synchronous generator. The turbine output is 24,000 HP for a rated net head of 30.48 m.

Khatima Power Station 41.4 MW (3X13.8 MW) is situated at Lohiahead (Khatima), District Udham Singh Nagar of Uttarakhand. Khatima hydro power Station is an irrigation canal based project. The project is located at a distance of about 6 km from Khatima town and connected by road. Meter Gauge rail connection is also available up to Khatima town.

The Sharda Canal / Power Channel draws water from river Sharda through Banbasa Barrage located at a distance of about 16 km upstream of the Power Station at Banbasa near Tanakpur. The Power Station units were commissioned in 1955 & 1956. Three English Electric make generating units of 13.8 MW capacities each had been installed, totaling to aggregate capacity of 41.4 MW.

Khodri HEP is a Run-of-River scheme with a surface Power Station. It was commissioned in year 1984. Water discharged from the Chibro Power Plant is returned into the Tons River just 100 m upstream of the intake for the Khodri Power Station.

During the construction of Khodri, a long tunnel was divided into three small tunnels. This was done with Trifurcation technique which was employed for the very first time in the world. Water enters the intake and then travels south down a 7.5 km head-race tunnel (HRT) which leads to the power station on the Yamuna River. The operation of Chibro and Khodri Power Stations is an engineering marvel. The tandem control scheme between Chibro and Khodri Power Stations is the first of its kind in the country which optimizes the utilization of water for generation.The Power Station comprises of 4 units of 30 MW each Francis turbines of 43,600 HP output. Design head of HEP is 57.9m.

Kulhal HEP is a Run-of-River scheme with a surface power station, constructed under Hydel Yamuna Stage-IV, is situated about 4.0 Kmsdown stream of Assan Barrage. The Kulhal power station is a low head scheme located on power channel. This power station utilizes the discharge of Tons, Yamuna and Assan River through a 4.0 Kms long power channel. This power station has three units of 10 MW capacities each and thus the total capacity of the power station is 30 MW. The units A, B & C of power station were commissioned in Year 1975.

Maneri Bhali-I Hydro Power Station) is a run of river with pondage scheme constructed on river Bhagirathi, a major tributary of river Ganga and situated in District Uttarkashi of Uttarakhand state. The scheme consists of a 39 m high concrete diversion dam. The river inflows are diverted through intake structure with sedimentation basin into a concrete lined head race tunnel of 6.5 km long and 6 m dia.

There are three generating units having vertical Francis turbine directly coupled with synchronous generator. The turbine output is 31.6 MW for a rated net head of 145 m. This Power Station was commissioned in the year 1984.

Maneri Bhali-II Hydro Power Station is a run of river with pondage scheme. ManeriBhali Hydroelectric Project II envisages the utilization of head available in the river Bhagirathi between the tail waters of ManeriBhali Stage I and Stage II Projects. In ManeriBhali Stage II Project, water is diverted through a barrage at Joshiyara situated near the township of Uttarkashi at about 152 Km from Rishikesh, the nearest railhead. The barrage is designed to divert 142 cumecs of water into a head race tunnel of diameter 6.0 m and length 16 km to generate electricity through a Power Station of 4X76 MW constructed at Dharasu.

The Power Station comprises of four hydro power generating units of 76 MW each. The generator is powered by Francis turbines of 78 MW rated capacity. The rated flow through each turbine is 35.5 cumecs and is discharged to a common tail race channel.

Ramganga Power Station is a Reservoir based scheme on river Ramganga located near the famous Jim Corbett Park in district PauriGarwhal. Ramganga Power station is a multipurpose project and it serves the purpose of power generation and irrigation in the command area of the canal. It utilizes water stored for irrigation purpose. The water release from Ramganga Dam is regulated by the UP Irrigation Department. The generation is dependent on the rain in the catchment area and on the drawl of water for irrigation purpose in the command area of the canal in the state of Uttar Pradesh.

The surface Power Station is located at the toe of the dam and houses 3 units of 66 MW each with vertical Francis turbines. The Ramganga Power Station is a medium head scheme with a design head of 84.4 m and a design discharge of 285 cum.