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         Transmission and distribution equipment in service at 31 March 2008           2008    2007  Power lines       Transmission power lines (km)1 28 099    27 619  765kV 1 153    1 153  533kV DC (monopolar) 1 035    1 03  400kV 16 191    15 7112  275kV 7 346    7 3462  220kV 1 336    1 336  132kV 1 038    1 038  Distribution power lines (km) 44 680    44 044  165 – 132kV 23 296    22 797  88 – 33kV 21 384    21 247  Reticulation power lines (km)       22kV and lower 293 424    288 040  Total all power lines (km) 366 203    359 703  Cables (km) 9 921    8 622  165 – 132kV 170    164  22kV and lower 9 751    8 458  Total transformer capacity (MVA) 215 696    210 929  Transmission (MVA)3 122 100    120 7454  Distribution and reticulation (MVA) 93 596    90 184  Total transformers (number) 324 435    314 511  Transmission (number) 385    3814  Distribution and reticulation (number) 324 050    314 130    1 Transmission line lengths as per Geographic Information System distances. 2 Transmission line lengths for 2007 have been restated to eliminate the duplicate reporting of changes. 3 Transformers rated ≥ 30MVA and primary voltage ≥ 132kV. 4 Transformers for 2007 have been restated to record transformers installed but not reported.       Transmission and distribution equipment in service at 31 March 2008       Back to top