Editing Electric power transmission (section)

== Records ==
* Highest capacity system: [[Ultra-high-voltage_electricity_transmission_in_China#UHV_circuits_completed_or_under_construction|12 GW Zhundong–Wannan]] (准东-皖南)±1100&nbsp;kV HVDC.<ref>{{cite web|url=https://www.e-fermat.org/files/communication/Li-COMM-ASIAEM2015-2017-Vol21-May-Jun.-017.pdf |archive-url=https://ghostarchive.org/archive/20221009/https://www.e-fermat.org/files/communication/Li-COMM-ASIAEM2015-2017-Vol21-May-Jun.-017.pdf |archive-date=2022-10-09 |url-status=live|title=Development of UHV Transmission and Insulation Technology in China}}</ref><ref>{{cite web|url=http://www.xj.xinhuanet.com/2019-09/27/c_1125048315.htm|archive-url=https://web.archive.org/web/20190930234443/http://www.xj.xinhuanet.com/2019-09/27/c_1125048315.htm|url-status=dead|archive-date=September 30, 2019|title=准东-皖南±1100千伏特高压直流输电工程竣工投运|website=xj.xinhuanet.com}}</ref>
* Highest transmission voltage (AC):
** planned: 1.20&nbsp;MV (Ultra-High Voltage) on Wardha-Aurangabad line (India), planned to initially operate at 400 kV.<ref>{{cite journal |url=http://tdworld.com/overhead_transmission/powergrid-research-development-201301/ |title=India Steps It Up |journal=Transmission & Distribution World | date=January 2013}}</ref>
** worldwide: 1.15&nbsp;MV (Ultra-High Voltage) on [[Powerline Ekibastuz-Kokshetau|Ekibastuz-Kokshetau line]] ([[Kazakhstan]])
* Largest double-circuit transmission, [[Kita-Iwaki Powerline]] (Japan).
* Highest [[Transmission tower|towers]]: [[Yangtze River Crossing]] (China) (height: {{convert|345|m|ft|0|abbr=on|disp=or}})
* Longest power line: [[Inga-Shaba]] ([[Democratic Republic of Congo]]) (length: {{convert|1700|km|mi|0|disp=or}})
* Longest span of power line: {{convert|5376|m|ft|0|abbr=on}} at [[Ameralik Span]] ([[Greenland]], Denmark)
* Longest submarine cables:
** [[North Sea Link]], (Norway/United Kingdom) – (length of submarine cable: {{convert|720|km|mi|0|disp=or}})
** [[NorNed]], [[North Sea]] (Norway/Netherlands) – (length of submarine cable: {{convert|580|km|mi|0|disp=or}})
** [[Basslink]], [[Bass Strait]], (Australia) – (length of submarine cable: {{convert|290|km|mi|0|disp=or}}, total length: {{convert|370.1|km|mi|0|disp=or}})
** [[Baltic Cable]], [[Baltic Sea]] (Germany/Sweden) – (length of submarine cable: {{convert|238|km|mi|0|disp=or}}, [[High-voltage direct current|HVDC]] length: {{convert|250|km|mi|0|disp=or}}, total length: {{convert|262|km|mi|0|disp=or}})
* Longest underground cables:
** [[Murraylink]], [[Riverland]]/[[Sunraysia]] (Australia) – (length of underground cable: {{convert|170|km|mi|0|disp=or}})