EstLink

Nordic Energy Link was established as a subsidiary of Eesti Energia AS with the main objective to construct and commission the Estlink cable. In July 2004, the three Baltic power companies Eesti Energia, Latvenergo, Lietuvos Energija, as well as Pohjolan Voima and Helsingin Energia of Finland signed the Shareholders’ Agreement of a joint undertaking for the submarine cable Estlink between the Baltics and Finland.

• Transmitted power: 350 MW
• DC voltage:  +/- 150 kV  
• Cable length:
  Total 210 (2 times 105) km cables, including
  148 (2 times 74) km submarine cable
  62 (2 times 31) km land cable
• Maximum water depth: 100 m
• AC voltage Harku: 330 kV
• AC voltage Espoo: 400 kV
• Features submarine cable:
  Extruded polymer insulated cable
  Conductor 1000 mm2 cupper
  Steel armouring
  Diameter 96 mm
  Weight 27 kg/m
• Features land cable:
  Extruded polymer insulated cable
  Conductor 2000 mm2 aluminium
  Diameter 93 mm
  Weight 11 kg/m
• HVDC Light® converter stations: Convert alternative current (AC) to direct current (DC) and on the other side DC to AC.
• Power direction: Power can be transmitted in either direction

Picture: http://www.nordicenergylink.com/