More than 100 new high-voltage direct current electricity transmission lines will be constructed worldwide from 2013-2020, says firm

Although alternating current (AC) lines have been the dominant form of electricity transmission for decades, the adoption of high voltage direct current (HVDC) transmission is growing worldwide. Up to twice as efficient as AC transmission, HVDC allows interconnection of regional systems that operate asynchronously, helping to mitigate instability issues that otherwise cause outages in AC transmission. According to a recent report from Navigant Research, 110 new HVDC lines are planned or under construction and will be completed worldwide by 2020.



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via Yuichun