

Coal is mostly used to produce electricity and steel. So more electricity from solar then coal is actually good news.
However oil and gas are much harder to replace, but again we actually have a lot of the technology, it is “just” about rolling it out on scale, which is hard.
The big advantage is that the 180th meridian ends up in a very unpopulated part of the world. It is Chukotka Oblast and more importantly Fiji. For the current 0meridian style maps, that is two edges being without much population and not cutting too many continents.