The world’s longest power transmission lines

The 1,700km-long Inga-Kolwezi transmission line in Congo is the world’s fourth longest transmission line.



  • high voltage direct current (HVDC) technology
  • Madeira HDVC link
  • UHVDC transformer
  • UHVDC
  • Inga-Kolwezi transmission line
  • Talcher-Kolar inauguration
  • Belo Monte-Rio de Janeiro