According to TheEnergyMag, preliminary data disclosed by Alexander Neumueller, head of research at the Cambridge Centre for Alternative Finance (CCAF), at an energy investors forum shows that from June 2024 to December 2025, the annualized electricity consumption of Bitcoin mining rose from 138 TWh to about 190 TWh, an increase of about 38%; over the same period, greenhouse gas emissions increased from about 40 million tons of carbon dioxide equivalent to 48 million tons, up about 20%. The share of low-carbon energy in the electricity mix used for mining rose from 52.4% to 59.4%; hydropower has surpassed natural gas, becoming the largest single energy source.