Transmission Trivia

 Transmission Records

• Highest transmission voltage (AC): 1,150 kV on Powerline Ekibastuz-Kokshetau (Kazakhstan)
• Highest transmission voltage (DC): +/-600 kV on HVDC Itaipu (Brazil)
• Highest pylons: Yangtze River Crossing (height: 345 m (1,132 ft))
• Longest powerline: Inga-Shaba (length: 1,700 km (1,056 mi))
• Longest span of powerline: 5,376 m (17,638 ft) at Ameralik Span
• Longest submarine cables:
  • Basslink, Bass Strait - (length of submarine/underground cable: 290 km (180 mi), total length: 357.4 km (222 mi))
  • Baltic-Cable, Baltic Sea - (length of submarine/underground cable: 249 km (155 mi), total length: 261 km (162 mi))

Source: Nationmaster.com