Kulamavu Dam is a gravity/masonry dam on Kilivillithode, which is a tributary of the Periyar river in Arakkulam village, Idukki district in the Indian state of Kerala. It is one of three dams associated with the Idukki hydroelectric power project in the Indian state of Kerala. This dam is located towards the western side of the Idukki Arch Dam. This is a gravity dam with the top portion in concrete and the bottom in masonry.
Kakki Dam is a concrete gravity dam built on the Kakki river, a tributary of the Pampa river in the Ranni forest in the Seethathodu panchayat of Pathanamthitta district in Kerala, India. The dam is located in a forested area adjacent to the Periyar National Park. It was built in 1966 as part of the Sabarigiri Hydroelectric Project. The water sources of the dam are from the Pampa dam and the Kakki river. The Sabarigiri project envisaged creation of two reservoirs which are Pamba and Kakki reservoirs and connecting these together to form a single source of water. The water from Pamba reservoir is connected to the Kakki reservoir through an underground tunnel of length 3.21 km. The intake of the Sabarigiri Powerhouse is from Kakki reservoir. The dam is 336 metres (1,102 ft) long and 116 metres (381 ft) high and is located at an elevation of 981.45 metres (3,220.0 ft) above sea level. The release flows through Ranni, Konni, Kozhencherry, Thiruvalla, Chengannur, Kuttanadu, Mavelikara and Karthikappally taluks before emptying into the Vembanad lake.
The Lower Periyar Dam is a dam built on the Periyar River as part of the Lower Periyar Hydroelectric Project in Kanjikuzhi Panchayat, Idukki District, Kerala. The dam was built to generate electricity. The lower Periyar dam is at Pambla, five kilometres downstream from where Muthirapuzha merges with main river. This 32.36-metre-high dam made of concrete has a width of 284 meters. The powerhouse is at Karimanal, near Neriamangalam, where three generators are installed with a power production capacity of 60 MW each, or a cumulative 180 MW. The Dam was completed in the year 1998 Taluks through which release flow are Idukki, Kothamangalam, Muvattupuzha, Kunnathunadu, Aluva, Kodungalloor and Paravur.
Azhutha Dam is a small diversion dam built on the Azhutha River which is a tributary of the Pamba River, at Azhutha in Peerumed Grama Panchayat of Idukki District, Kerala, India. It is a small concrete gravity dam that is only 72 metres (236 ft) long and 14 metres (46 ft) high. It acts mainly as a diversion dam to supply water to the Idukki Dam. The Azhutha Dam was constructed as an augmentation dam for the Idukki Hydro Electric Project. Construction of the project started in 1987 and was expected to be commissioned in 1991, but the project overrun and was only partially commissioned in June 1998. The year of completion was 2007. The release of the water from the dam is to Azhutha river and it flows through Ranni and Ayroor taluks.
Kallarkutty Dam is a gravity dam built on the Muthirapuzha river, a tributary of the Periyar river, as part of the Neriamangalam Hydroelectric Project at Kallarkutty in Vellathooval panchayat of Idukki district in Kerala, India. The water discharged from the Chenkulam dam's powerhouse and the Muthirapuzha river is diverted to the Neriamangalam powerhouse near Panamkutty above the Pambla dam. The Hydroelectric Project was commissioned on 27 January 1961 to generate 45 MW of power using 3 turbines with a capacity of 15 MW. In 2006, the project was upgraded from 45 MW to 52.65 MW. Taluks through which release flow are Udumbanchola, Devikulam, Idukki, Kothamangalam, Muvattupuzha, Kunnathunadu, Aluva, Kodungalloor and Paravur. The Project was led by Kerala State Electricity Board Engineer E.U. Philipose
Pamba Dam is a gravity dam built on the Pamba river in the Ranni forest area of Seethathodu panchayat in Pathanamthitta district of Kerala, India. It was built in 1967 as part of the Sabarigiri Hydroelectric Project. Sabarigiri Hydro Electric Project (IHEP) is the second largest hydro electric project in Kerala. Pamba dam's reservoir is connected to the nearby Kakki dam's reservoir by a 3.21 km (1.99 mi) long underground tunnel. The dam is 281 m (922 ft) long and 57.2 m (188 ft) high and is located at an elevation of 981.45 m (3,220.0 ft) above sea level. The dam is located in a forest area adjacent to the Periyar National Park. The water stored in the Pamba and Kakki dams is conveyed to the Sabarigiri powerhouse through penstock pipes. The dam was commissioned in 1967.
Chenkulam Dam is a gravity dam located on the Muthirapuzha river in Vellathooval panchayat of Idukki district in the Indian state of Kerala. It spans 144.50 metres (474.1 ft) long and stands 26.82 metres (88.0 ft). It hosts a 48 MW power plant.
Vellathooval Dam is a diversion dam built on the Muthirappuzha river in Vellathooval village in Devikulam taluk of Idukki district in Kerala, India. The height of the dam from the deepest foundation is 16 metres (52 ft) and length is 75 metres (246 ft). Water from the Sengulam Power House and from the Muthirapuzha river gets released to the Vellathooval dam. Water from this dam is diverted through a canal system to the powerhouse near Panniyar After the water flow is used to generate hydroelectricity, the water is released back into the river. The dam is one of the major tourist attractions in the Idukki District, Kerala.
Kullar Dam is a small, flanking dam which impounds Kullar river in Seethathodu village of Pathanamthitta district in Kerala, India. The dam was built as a part of Sabarigiri Hydroelectric Project. The release from the dam flows to Pamba river and from there, it flows through Ranni, Konni, Kozhencherry, Thiruvalla, Chengannur, Kuttanadu, Mavelikara and Karthikappally taluks.
Anathode Dam is a flanking dam of masonry gravity type situated in Sethathode panchayath of Seethathode village in Pathanamthitta district of Kerala, India. This dam is constructed on Anathode river which is a tributary of Pamba river.
Veluthodu dam is a part of Kakkad Hydro Electric Project and is located in Seethathode panchayath of Ranni Taluk in Pathanamthitta District of Kerala, India. It's a Concrete-Gravity dam built across the Veluthodu river, a tributary of Kakkad River which is again a tributary of Pamba River. The dam is built primarily for electricity. This diversion dam diverts water to the water conductor system from Moozhiyar reservoir to Kakkad Power Station. This power station utilises the tail race water from Sabarigiri power station and flow received from moozhiyar and velluthode rivers. After power generation, water from Kakkad power station is released to the Kakkad River. Taluks through which release flow are Ranni, Konni, Kozhencherry, Thiruvalla, Chengannur, Kuttanadu, Mavelikara and Karthikappally. It is operated by Kerala State Electricity Board.
Perunthenaruvi Weir is a diversion dam built across Pamba river at villages of Naranammoozhy and Vechoochira in Pathanamthitta District of Kerala, India. Perumthenaruvi Small Hydroelectric Project 6 MW (2×3) is a run-of-the-river scheme in river Pamba, and the weir is a part of this scheme. This envisages the utilization of water from 442 km2 (171 sq mi) catchment of Pamba and Azhutha river for electricity generation under a net head of 18.00 m. The power house is located on the left bank of Pamba river. The weir is a concrete gravity type with a height of 10.93 metres (35.9 ft) and a length of 227.50 metres (746.4 ft). Taluks through which the release flow are Ranni, Konni, Kozhencherry, Thiruvalla, Chengannur, Kuttanadu, Mavelikara and Karthikappally.
Gavi Dam or Gaviar Dam is a small, gravity dam constructed as a part of Sabarigiri hydro electric project on Gaviyar, which is a tributary of Pamba river at Seethathode village in Pathanamthitta district of Kerala, India. Taluks through which release flow are Ranni, Konni, Kozhencherry, Thiruvalla, Chengannur, Kuttanadu, Mavelikara and Karthikappally.
Kochu Pamba Weir is a diversion dam constructed across Pamba river in Seethathode village of Pathanamthitta district in Kerala, India. It is one of the five dams which are parts of Sabarigiri HydroElectric Project. These are Pamba dam, Kakki dam, Anathode dam, Gavi dam and Kochu Pamba weir Sabarigiri Hydro Electric Project is the second largest hydro electric project of Kerala and is located in Pathanamthitta district. This weir is constructed as a part of Sabarigiri Augmentation Scheme. Water from this reservoir is pumped in to the Pamba reservoir through a pump house located at the downstream of Pamba dam. Taluks through which release flow are Ranni, Konni, Kozhencherry, Thiruvalla, Chengannur, Kuttanadu, Mavelikara and Karthikappally.
Meenar-1 Dam is a concrete, gravity dam constructed across Meenar river in Seethathodu village of Pathanamthitta district in Kerala, India. It is a diversion dam built as a part of Sabarigiri hydro electric project.
Meenar-2 Dam is a concrete, gravity type of dam constructed across the Meenar river which is a tributary of Pamba river in Seethathodu village of Pathanamthitta district in Kerala, India. This dam is constructed as a part of Sabaigiri Augmentation Scheme.
The Upper Moozhiyar Dam is an earthen dam constructed across the Moozhiyar River in the village of Seethathodu in Pathanamthitta district, Kerala, India. This dam was constructed as a part of the Sabarigiri Augmentation Scheme. The stream is located on the southern side of the Kakki reservoir. It is an embankment structure. The Sabarigiri Hydro Electric Project is the second largest hydroelectric project of Kerala and is located in Pathanamthitta district. The dam was constructed to divert the upper reaches of the Moozhiyar River, a tributary of the Pamba River, to the Kakki–Anathode reservoir through a tunnel. The surplus over the storage flows over the rock-cut spillway to the Moozhiyar River. Taluks through which the release flows are Ranni, Konni, Kozhencherry, Thiruvalla, Chengannur, Kuttanadu, Mavelikara, and Karthikappally. The nearest city is Vandiperiyar.
Ranni-Perinad Weir is a diversion dam built in Kakkad river which is a tributary of Pamba River at Mampara in Ranni-Perinad villages of Pathanamthitta district of Kerala, India. The weir is a concrete-gravity type and is a part of Ranni – Perinad Small Hydro Electric Project, a run off the river scheme in Kakkad river in Pamba basin. It envisages the development of power by utilizing the tail race water from the Maniyar Power house, with installed capacity of 4.0 MW. The release of the water from the dam is to Kakkad river which in turn flows and joins Pamba river and flows through Taluks such as Ranni, Konni, Kozhencherry, Thiruvalla, Chengannur, Kuttanadu, Mavelikara and Karthikappally. The dam is also a part of Ranni-Perinad Water supply scheme.
Adyanpara Weir is a small diversion dam constructed across Kanjirapuzha River at Adyanpara in Chaliyar panchayath of Kurumbalangode village in Malappuram district of Kerala, India. This weir is a part of Adyanpara SHEP, which envisages development of power by utilizing the potential of Kanjirapuzha stream, a tributary of Chaliyar river. It consist of a diversion weir, desilting chamber of splay type, power tunnel of length 968.50m, an underground surge tank in circular shape. The 3.5 megawatt hydroelectric project has been setup as part of the Small Hydro Electric Project. The water from the weir flows to Kanjirapuzha through the Taluk of Nilambur. The dam is a concrete-gravity type dam with a height of 5.56 metres (18.2 ft) and a length of 58 metres (190 ft).
The Allunkal Dam is a concrete diversion weir built across the Kakkad River in Chittar panchayat of Ranni taluk in Pathanamthitta district of the Indian state of Kerala. The dam is 121 metres (397 ft) long and 12 metres (39 ft) tall above the bed. It is part of the Ullunkal Hydroelectric Project, a small-scale private hydroelectric project operated by EDCL Power Projects Limited, a subsidiary of Energy Development Company Limited (EDCL).
