Veluthodu Dam

Veluthodu dam (Malayalam: വെളുത്തോട് അണക്കെട്ട് ) is a part of Kakkad Hydro Electric Project and is located in Seethathode panchayath of Ranni Taluk in Pathanamthitta District of Kerala, India.[1] Its a Concrete-Gravity dam built across the Veluthodu river, a tributary of Kakkad River which is again a tributary of Pamba River[2][3] 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.[4] 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[5] It is operated by Kerala State Electricity Board.[6]

Veluthodu dam
CountryIndia
StatusOperational

Specifications
  • Latitude : 9⁰ 18′ 10 ” N
  • Longitude: 77⁰ 02′ 30” E
  • Village : Seethathodu
  • Panchayath : Seethathodu
  • District : Pathanamthitta
  • River Basin : Pamba
  • River : Veluthode ar
  • Release from Dam to river : Kakkad river
  • Name of Project : Kakkad HEP [7]
  • Year of completion : 1990 [8]
  • Type of Dam : Concrete – Gravity
  • Classification : MH (Medium Height)
  • Maximum Water Level (MWL)EL 195.00 m
  • Full Reservoir Level ( FRL) : EL 192.00 m
  • Storage at FRL : 0.67 Mm3
  • Height from deepest foundation : 20.50 m[9]
  • Length : 107.00 m
  • Spillway : Ungated- Overflow section
  • Crest LevelEL  : 192.00 m
  • River Outlet : 1 No. 1.80 x 2.70 m
  • Purpose of Project : Hydro Power
  • Reservoir Capacity : 0.18 billion gallon / (0.67 million cubic meter)[10]

Reservoir

The reservoir is formed by the Veluthodu dam, constructed across Velluthode river.

  • Water Spread Area : 0.0635 Sq. km.
  • Full Reservoir Level (FRL) : 192 m
  • Minimum Drawdown level (MDDL) : 186 m
  • Effective Storage at FRL : 0.607 MCM
  • Energy Equivalent at FRL : 0.187 MU

Kakkad Hydro Electric Project

The Kakkad Hydroelectric Project generates 50 MW of electricity using 2 turbines of 25 MW each year. The annual output is 262 MU. The machine was commissioned on 16 September 1999. The Moozhiyar Dam creates the main reservoir of this project.[11] the second reservoir is formed by the Veluthodu dam. After power generation, water from Kakkad power station is released to the Kakkad River.[12][13] The prime mover is a vertical shaft francis Turbine.

The Kakkad project had a long tale of unending woes of corruption and trade union militancy.[14]

References
  1. "Kerala State Electricity Board Limited - Kerala State Electricity Board Limited". www.kseb.in. Retrieved 2021-07-28.
  2. "West Flowing Rivers of Tadri to Kanyakumari". 117.252.14.242. Retrieved 2021-07-26.
  3. "Fact file on dams owned by Kerala State Electricity Board". www.expert-eyes.org. Retrieved 2021-07-26.
  4. "Kerala State Electricity Board Limited - Pamba Basin HydroProjects". www.kseb.in. Retrieved 2021-07-26.
  5. "Diversion Structures in Pathanamthitta district – KSEB Limted Dam Safety Organisation". Retrieved 2021-07-26. This article incorporates text available under the CC BY-SA 2.5 license.
  6. "Kakkad Hydroelectric Power Plant India - GEO". globalenergyobservatory.org. Retrieved 2021-07-07.
  7. Hrishikesan, Sreejith. "Kakkad Hydroelectric Project". Electronics and Communication Study Materials. Retrieved 2021-07-26.
  8. Dams in Kerala
  9. .com, India wris. "Dams in kerala".
  10. "Veluthodu - Info And Technical Data". www.alldams.com. Retrieved 2021-07-26.
  11. "MOOZHIYAR DAM – KSEB Limted Dam Safety Organisation". Retrieved 2021-07-07.
  12. "Kerala State Electricity Board Limited - Pamba Basin HydroProjects". www.kseb.in. Retrieved 2021-07-07.
  13. N. Vijayamohanan Pillai, K. P. Kannan. "Time and Cost Overruns of the Power Projects in Kerala" (PDF).
  14. N. Vijayamohanan Pillai; K. P. Kannan (2001). "Time and Cost Overruns of the Power Projects in Kerala". CDS Working Papers (320).

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