I bet we'll eventually see more of that, with superconducting materials steadily becoming more pliable and affordable, and liquid nitrogen being pretty cheap. Maybe we'll see hundreds of miles of such lines. It looks to me more realistic than land in Western Europe becoming cheap enough to install a gigawatt of solar panels here and there.
[1]: https://www.extremetech.com/extreme/182278-the-worlds-first-...
[2]: https://energycentral.com/news/shanghai-opens-world-leading-...