State Grid has stated in a “carbon peak and carbon neutral” action plan that it expects UHV transmission capacity to reach a combined 105 GW by 2025 – the end of the current Five-Year Plan – across its own network which spans most of the nation, plus the five provinces managed by Southern Power Grid. Of this 105 GW, over half is still to be built. Since the first inclusion of Ultra-High Voltage (UHV) lines in state planning in 2006, and the first commissioning of such a line in China and the world in 2009, China has become the world leader in UHV transmission line development. It has 35 such lines commissioned spanning 34,500 kilometers, with 450 TWh transmitted annually.…