Bitcoin mining seems to be moving from china where the shortage of coal has resulted in miners losing access to cheap electricity. The areas gaining seem to be Sweden and Norway which at the moment have some of the cheapest and most enviromentally friendly electricity on the planet. Electricity in these countries is driven by hydro ,wind and solar
https://www.bloomberg.com/news/articles/2020-12-27/bitcoin-miners-in-nordic-region-get-a-boost-from-cheap-power
