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INTEGRATED RESULTS PRESENTATION
KING III APPLICATION
 
   



Power station commercial capacities

at 31 March 2014

Name of station   Location   Number
and installed
capacity of
generator sets
MW
  Total
installed
capacity
MW1
  Total
nominal
capacity
MW1
  Other
generation
installed
capacity
MW
 
Coal-fired stations (13)           37 759   35 726    
Arnot2   Middelburg, Mpumalanga   1x370; 1x390; 2x396; 2x400;   2 352   2 232    
Camden3,9   Ermelo   3x200; 1x196; 2x195; 1x190; 1x185   1 561   1 481    
Duvha2   Witbank   6x600   3 600   3 450    
Grootvlei3   Balfour   4x200; 2x190   1 180   1 120    
Hendrina2,9   Mpumalanga   5x200; 2x195; 2x170; 1x168   1 898   1 798    
Kendal2,4   Witbank   6x686   4 116   3 840    
Komati3,9   Middelburg, Mpumalanga   4x100; 4x125; 1x90   990   904    
Kriel2   Bethal   6x500   3 000   2 850    
Lethabo2   Viljoensdrift   6x618   3 708   3 558    
Majuba2,,4   Volksrust   3x657; 3x713   4 110   3 843    
Matimba2,4   Lephalale   6x665   3 990   3 690    
Matla2   Bethal   6x600   3 600   3 450    
Tutuka2   Standerton   6x609   3 654   3 510    
Nuclear power station (1)                      
Koeberg2   Cape Town   2x970   1 940   1 860    
Gas/liquid fuel turbine stations (4)5           2 426   2 409    
Acacia   Cape Town   3x57   171   171    
Ankerlig   Atlantis   4x149.2; 5x148.3   1 338   1 327    
Gourikwa   Mossel Bay   5x149.2   746   740    
Port Rex   East London   3x57   171   171    
Pumped-storage schemes (2)5,6           1 400   1 400      
Drakensberg   Bergville   4x250   1 000   1 000    
Palmiet   Grabouw   2x200   400   400    
Hydroelectric stations (6)           661   600   61  
Gariep5,7   Norvalspont   4x90   360   360    
Vanderkloof5,7   Petrusville   2x120   240   240    
Colley Wobbles8   Mbashe River   3x14   42     42  
First Falls8   Umtata River   2x3   6     6  
Ncora8   Ncora River   2x0.4; 1x1.3   2     2  
Second Falls8   Umtata River   2x5.5   11     11  
Wind energy (1)                      
Klipheuwel8   Klipheuwel   1x1.75; 1x0.66; 1x0.75   3     3  
Total power station capacities (27)           44 189   41 995   64  

1. The difference between installed and nominal capacity reflects auxiliary power consumption and reduced capacity caused by the age of plant
and/or low coal quality.
2. Base-load station.
3. Return-to-service station.
4. Dry-cooled unit specifications are based on design back-pressure and ambient air temperature.
5. Stations used for peaking or emergency supplies.
6. Pumped-storage facilities are net users of electricity. Water is pumped during off-peak periods so that electricity can be generated during peak
periods.
7. Use restricted to availability of water in Gariep and Vanderkloof dams.
8. Operational but not included for capacity management purposes.
9. Due to technical constraints, some units at these stations have been de-rated.
app-power