Kerala State Electricity Board

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Kerala State Electricity Board Limited
Type Public Sector Company
Industry Electricity generation, transmission, distribution
Founded March 31, 1957
Headquarters Thiruvananthapuram, Kerala, India
Area served Kerala, India
Key people M. Sivasankar Chairman & Managing Director
Products Electricity

Kerala State Electricity Board Ltd (KSEBLtd) is a public sector agency under the Government of Kerala, India, that generates and distributes the electricity supply in the state. Established in 1957, the agency comes under the authority of the Department of Power.


The Kerala state Electricity board Ltd started functioning under the direction of a newly formed Kerala government, on 31 March 1957. The first governing body consisted of 5 members, and was headed by the Chairman K P Sreedhara Kaymal. The staff of the erstwhile Department of Electricity of the Thiru-Kochi state were transferred to the KSEB.

At the time of its inception, in 1958, the KSEB Ltd had an installed capacity of 109.5 MW, with a total annual internal generation of 441.35 MU. Over the years, as demand increased, the board has imported power from neighbouring states and private entities. The board also set up several more hydel power stations within the state. As of 2008, the KSEB Ltd has a total installed capacity of State to 2657.24 MW and a consumer base of over 91,59,399.


KSEB Ltd has 23 Hydro Electric Projects, two Diesel power plants and one Wind Farm . The total installed capacity is 2229.6 MW. They are

  • Hydro Electric Projects (1940.2MW)
    • Idukki (780MW)
    • Sabarigiri (335MW)
    • Idamalayar (75MW)
    • Sholayar (54MW)
    • Pallivasal (37.5MW)
    • Kuttiyadi (225MW)
    • Panniar (30MW)
    • Neriamangalam (77.65MW)
    • Lower Periyar (180MW)
    • Peringalkuthu & PLBE (48MW)
    • Sengulam (48MW)
    • Kakkad (50MW)
  • Small Hydro Electric Projects(52.85MW)
    • Kallada (15MW)
    • Peppara (3MW)
    • Malankara (10.5MW)
    • Madupatty (2MW)
    • Malampuzha (2.5MW)
    • Lower Meenmutty (3.5MW)
    • Chembukadavu - 1 (2.7MW)
    • Chembukadavu - 2 (3.7MW)
    • Urumi -1 (3.75MW)
    • Urumi -2 (2.4MW)
    • Kuttiyadi Tail Race (3.75MW)
    • Peechi (1.25MW)
  • Thermal Projects (234.6MW)
    • Brahmapuram Diesel Power Plant (106.6MW)
    • Kozhikode Diesel Power Plant (128MW)
    • Kayamkulam Rajiv Gandhi Combined Cycle Power Plant (350MW)
  • Non-conventional energy (2MW)
    • Kanjikode Wind Farm (2MW)


The Kerala power system grid is connected to the Southern Region Transmission system through two 400kV double circuit lines.

They are

  • Udumalpet- Madakkathara line and
  • Thiruneveli- Pallippuram( Trivandrum) line.

There are 6 major inter-state transmission lines. at 220KV level and 110KV level.

The 220 KV lines are

  • Kaniyampetta- Kadakola(single circuit).
  • Idukki - Udumalpet(single circuit).
  • Sabarigiri - Theni (single circuit).
  • Edamon - Tirunelveli(double circuit).

The 110 KV lines are

  • Parassala - Kuzhithura and
  • Manjeswaram - Konake.

The major substations include Four 400 KV sub-station, and seventeen 220 KV substations. The main grid comprises the 220 KV systems. The transmission sector of KSEB comprises two zones namely North and South.The State Load Dispatch Centre (SLDC) located at Kalamassery.

Capacity No. Substations Line length in Circuit Km Reliability Index
400KV 4* 378** 99.96
220KV 17 2701.38 97.75
110KV 129 4004 98.25
66KV 83 2387 97.86
33KV 114 1430 92.99

*400 kV Substations at Pallipuram - Thiruvananthapuram, Pallikkara - Kochi and Palakkad are owned by PGCIL **Owned by PGCIL thrissur Madakkathara 400 Kv substaion. it is the first 400 Kv substation in kerala


KSEB Ltd distributes electricity in the State of Kerala except in the Thrissur Municipal Corporation and Munnar (Kannan Devan Hills). For operational conveniences the distribution wing is divided into three zones namely South, Central and North.


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