Mahaweli Hydro Power Complex
              
MAHAWELI HYDRO POWER COMPLEX
Ceylon Electricity Board
 

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 Reservoir Active Storages
703438232Spill
684.12408.557216.62Level
665370209MOL
75.903235.570530.889Storage
*Storage (Mcm), Level (m)

  

Mahaweli Hydro power complex consists of seven major power station which has an installed capacity of 775 MWs. We contribute around 15% electrical energy to the country annually The major power stations coming under Mahaweli complex are, Kotmale, Victoria, Randenigala, Rantambe, Ukuwela, Bowatenna, Upper Kotmale and Nilambe covering 1268 sqkm of Mahaweli basin.

Mahaweli project was implemented as a multipurpose irrigation and power generation project under the accelarated Mahaweli scheme which was started in early eighties with a view to complete within six years.  

Current Plant Operation Status of Mahaweli Complex

Station/PlantKotmaleVictoriaRandenigalaRantambeUkuwelaBowatennaNillambeUpper Kotmale
Unit 01
Unit 02
Unit 03
   Generation Statistics During last 24 hrs ending 06.00 hrs
StationKotmaleVictoriaRandenigalaRantambeUkuwelaBowatennaNilambeUpper KotmaleTotal
Daily Generation*0.180.9880.5280.299520.2030.0270.000.1612.39
Annual Generation*49.8462.1463.6134.0633.2115.431.8243.84303.94
Expected Energy*4827263782231775314.74092462.7
* Daily Generation, Annual Generation & Expected Energy in GWhr

    Station/Capacity/Turbine Type/ Commissioned on

    Kotmale / 67 X 3 MW / Francis / 1985
    Victora / 70 X 3 MW / Francis / 1985
    Randenigala / 61 X 2 MW / Francis / 1986
    Rantambe / 24.5 X 2 MW / Francis / 1990
    Ukuwela / 20 X 2 MW / Francis / 1976
    Bowatenna / 40 X 1 MW / Francis / 1981
    Nilambe / 1.66 X 2 MW / Francis / 1988
    Upper Kotmale / 75 X 2 MW / Francis / 2012
    Moragolla / 15 X 2 MW / Francis /2021(to be commissioned)

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