Home | Site map     Profile Southern Africa grid map Key facts Electricity: from power station to customer Organisational structure Executive summary Vision, values and strategic objectives Group five-year review Chairman and Chief Executive Introduction Message from the chairman Board of directors Message from the chief executive Executive management committee Market and industry overview Business and sustainability performance review Introduction Sustainability Integrated risk management Performance in terms of the shareholder compact Financial review Contribution to society Securing continuity of supply Supply for the 2010 World Cup Executing the build programme Responding to climate change and limiting the impact on environment Restoring Eskom’s image and public confidence EDI restructuring Our People Safety performance Independent auditors report on sustainability Consolidated group financial statements Introduction Statement of responsibilities and approval Statement by company secretary Report of the audit committee Independent auditor’s report to the Minister of Public Enterprises Directors' report Consolidated financial statements Corporate governance and tables Introduction Corporate governance Tables Awards Glossary Abbreviations and acronyms GRI index Contact information Development Foundation Report Downloads Additional Information Information Sheets Keyword search         Corporate governance and tables   TABLES     Statistical overview | Power stations capacities       Environmental implications of using/saving one kilowatt-hour of electricity     Transmission and distribution equipment in service | Sale of electricity and revenue per category of customer         Power station capacities   at 31 March 2008         Name of station Location  Numberand designed  capacity of generator sets   Total  nominal  capacity    Total net  maximum  capacity        Generators in  reserve storage    Other  generation                      Total  nominal  rating    Total  rating      MW    MW    MW 1   Number   MW    MW 2  Coal-fired stations (13)       37 458    33 566    15    2 200    –  Arnot3, 9 Middelburg, Mpumalanga 3 x 350; 3 x 370   2 160    2 040    –    –    –  Camden4, 10 Ermelo 8 x 200   1 520    1 250    1    200    –  Duvha3 Witbank 6 x 600   3 60    3 450    –    –    –  Grootvlei4 Balfour 6 x 200   1 200    190    5    1 000    –  Hendrina3 Mpumalanga 10 x 200   2 000    1 895    –    –    –  Kendal3, 5 Witbank 6 x 686   4 116    3 840    –    –    –  Komati4 Middelburg, Mpumalanga 5 x 100; 4 x 125   1 000    –    9    1 000    –  Kriel3 Bethal 6 x 500   3 000    2 850    –    –    –  Lethabo3 Viljoensdrift 6 x 618   3 708    3 558    –    –    –  Majuba3 Volksrust 3 x 657; 3 x 713   4 110    3 843    –    –    –  Matimba3, 5 Lephalale 6 x 665   3 990    3 690    –    –    –  Matla3 Bethal 6 x 600   3 600    3 450    –    –    –  Tutuka3 Standerton 6 x 609   3 654    3 510    –    –    –  Gas/liquid fuel turbine stations6 (4)       1 385    1 378    –    –    –  Acacia Cape Town 3 x 57   171    171    –    –    –  Ankerlig11 Atlantis 4 x 149   596    592    –    –    –  Gourikwa11 Mossel Bay 3 x 149   447    444    –    –    –  Port Rex East London 3 x 57   171    171    –    –    –  Hydroelectric stations (6)       661    600    –    –    61  Colley Wobbles Mbashe River 3 x 14   42    –    –    –    42  First Falls Umtata River 2 x 3   6    –    –    –    6  Gariep7 Norvalspont 4 x 90   360    360    –    –    –  Ncora Ncora River 2 x 0,4; 1 x 1,3   2    –    –    –    2  Second Falls Umtata River 2 x 5,5   11    –    –    –    11  Vanderkloof 7 Petrusville 2 x 120   240    240    –    –    –  Pumped storage schemes8 (2)       1 400    1 400    –    –    –  Drakensberg Bergville 4 x 250   1 000    1 000    –    –    –  Palmiet Grabouw 2 x 200   400    400    –    –    –  Wind Energy (1)                         Klipheuwel2 Klipheuwel 1 x 1,75; 1 x 0,66; 1 x 0,75   3    –    –    –    3  Nuclear power station (1)                         Koeberg3 Cape Town 2 x 965   1 930    1 800    –    –    –  Total power station capacities (27)       43 037    38 744    15    2 200    64    1 Difference between nominal and net maximum capacity reflects auxiliary power consumption and reduced capacity caused by age of plant and/or low coal quality. 2 Operational but not included for capacity management purposes. 3 Base-load station. 4 In long-term reserve storage (mothballed), but currently being returned to service. 5 Dry-cooled unit specifications are based on design back-pressure and ambient air temperature. 6 Stations used for peaking or emergency supplies. 7 Use restricted to peaking, emergencies and availability of water in Gariep and Vanderkloof dams. 8 Pumped storage facilities are net users of electricity. Water is pumped during off-peak periods so that electricity can be generated during peak periods. 9 Two units uprated in the Arnot capacity increase project. 10 Most of Camden units have been derated. 11 After performance test, rating finalised at 149MW per unit.       Power station capacities       Back to top