The world’s longest power transmission lines

The world’s second longest transmission line, Jinping-Sunan, uses ABB’s 800kV UHVDC transformer. Image courtesy of ABB.



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