Pambla Dam

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Lower Periyar dam Lower-Periyar.jpg
Lower Periyar dam

The Lower Periyar Dam (Pambla Dam) [1] 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 [2] Taluks through which release flow are Idukki, Kothamangalam, Muvattupuzha, Kunnathunadu, Aluva, Kodungalloor and Paravur.

Contents

Specifications

Electricity generation

The Lower Periyar Powerhouse in Karimanal [3] [4] generates electricity from the dam's water. The maximum storage capacity of the dam is 253 feet. The water level in the dam is reported to the powerhouse at Karimanal every half an hour. The Hydroelectric Project was launched on 27 September 1997, to generate 180 MW of electricity using 3 turbines with a capacity of 60 MW. Kerala State Electricity Board is overseeing the dam.

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Narakakkanam Weir is a diversion dam constructed across Narakakkanam River in Mariyapuram panchayath of Thankamani Village in Idukki district in Kerala, India. Narakakkanam weir is an augmentation weir for the Idukki Hydro Electric Project. Narakakkanam, Azhutha, Vazhikkadavu, Vadakkepuzha and Kuttiar diversion schemes were later added to augment the Idukki reservoir. The height of the dam is 11.50 metres (37.7 ft) from the deepest foundation and length is 45.20 metres (148.3 ft).

Vadakkepuzha Weir is a diversion dam of Earthen type constructed across Vadakkepuzha which is a tributary of Muvattupuzha river in Arakkulam village in Idukki district of Kerala, India. Vadakkepuzha weir is a part of an augmentation scheme for the Idukki Hydro Electric Project. Narakakkanam, Azhutha, Vazhikkadavu, Vadakkepuzha and Kuttiar diversion schemes were later added to Idukki HEP to augment the reservoir. Water from the reservoir is pumped in to Idukki reservoir through a pump house with three pumps.

Kulamavu Saddle Dam (Near Junction) is one of the two saddle dams of Idukki Reservoir constructed across Kilivallithodu River which is a tributary of Periyar river at Arakkulam village in Idukki District of Kerala, India. It is a Rolled Earth filled dam with a height of 18.29 metres (60.0 ft) and a Length of 457.2 metres (1,500 ft). The road to Idukki from Thodupuzha passes over this saddle dam.

<span class="mw-page-title-main">Moolamattom hydro power station</span> Dam

The Moolamattom hydro power station is the power house of the Kerala State Electricity Board's Idukki Hydroelectric Project, the largest hydroelectric project in Kerala, India, with a capacity to generate 2398 million units of electricity annually. Located at Moolamattam in Arakulam Gram Panchayat of Thodupuzha Taluk of Idukki district, it is one of the largest underground hydroelectric power stations in India. The power house has an installed capacity of 780 MW. In the three dams of this hydroelectric project, the water needed to generate electricity at the Moolamattam power station is pumped through tunnels near the pond level.

<span class="mw-page-title-main">Pallivasal Hydro Electric Project</span> First Hydro Electric project in Kerala

Pallivasal Hydroelectric Project is the first hydroelectric project in Kerala, India. The project consists of 2 reservoirs, 2 dams, a diversion dam and a power house and is owned by the Kerala State Electricity Board. The power house of the project has been constructed at Chithirapuram in Pallivasal Gram Panchayat, Munnar, Idukki District. The first unit was inaugurated in March 1940 by the Travancore Diwan C. P. Ramaswamy Iyer. The second unit and third unit was commissioned in February 1941 and February 1942 respectively. In 1944, Ramaswamy Iyer constructed the R. A headworks dam on Muthirapuzha, a tributary of Periyar in Munnar to divert the water.

References

  1. "Lower Periyar dam to bear the brunt of Idukki outflow". OnManorama. Retrieved 7 July 2021.
  2. "Lower Periyar Dam – KSEB Limited Dam Safety Organisation" . Retrieved 7 July 2021.
  3. "Lower Periyar Power House PH01243 -". www.indiawris.gov.in.[ permanent dead link ]
  4. "Lower Periyar Hydro Electric Project". www.kseb.in.