“An index from cryptocurrency analyst Alex de Vries, aka Digiconomist, estimates that with prices the way they are now, it would be profitable for Bitcoin miners to burn through over 24 terawatt-hours of electricity annually as they compete to solve increasingly difficult cryptographic puzzles to "mine" more Bitcoins.
This averages out to a shocking 215 kilowatt-hours (KWh) of juice used by miners for each Bitcoin transaction”
https://motherboard.vice.com/en_us/article/ywbbpm/bitcoin-mining-electricity-consumption-ethereum-energy-climate-change
Was curious to get in on this but didn’t take the plunge. I use plenty of power for my homelab to put more into mining at this point.