Bitcoin mining is increasingly moving away from coal energy sources, with the share of coal usage dropping from 63% in 2011 to 20% in 2024, according to a report by the MiCA Crypto Alliance. This represents an average annual decrease of approximately 8% over the past 13 years. In contrast, the share of renewable energy used for Bitcoin mining has risen at an average rate of 5.8% per year. Despite a rise in global coal consumption reaching 8.8 billion tonnes in 2024, Bitcoin is shifting towards cleaner energy solutions. The report projects a peak in Bitcoin mining energy consumption around 2030, while anticipating that renewable energy could constitute up to 74.3% of Bitcoin's electricity usage depending on market conditions. Additionally, five potential future scenarios for Bitcoin’s carbon footprint and its electricity consumption were outlined, with projections suggesting that even in optimistic price scenarios, Bitcoin's energy use would remain a small fraction of global energy demand.

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