https://www.theguardian.com/technology/2022/feb/09/can-bitcoin-be-sustainable-inside-the-norwegian-mine-that-also-dries-wood

Kryptovault’s operation is part of a fightback against criticism of the famously energy-intensive industry

A line of large blue skips full of chopped wood sit at the back of a site belonging to Norway’s biggest bitcoin mining operation, a 5,000 sq metre warehouse on the outskirts of Hønefoss, a small town 40 miles west of Oslo.