CoinShares calculated the cost of mining one bitcoin. Compared to the second quarter, when companies spent an average of $49,500 on mining one BTC, mining costs increased by 13% to $55,950.
Marathon took the first place in terms of asset mining efficiency, spending approximately $42,864 to obtain one bitcoin. The increase in cryptocurrency mining costs in July — September was due to an increase in the decentralization of mining, an increase in the cost of electricity and a slowdown in the scaling of digital assets due to the hype around artificial intelligence (AI) technology, experts said.
The list of main cost items for miners includes electricity costs, losses from equipment wear and costs not related to the main production. 
I think that x2 to cost in any case is not a bad result. What do you think?

201 $DEGEN
The prices to mine a single bitcoin, higher and higher above