Bitcoin Mining Shifts Greener as Hydropower Overtakes Natural Gas, Cambridge Says

Cambridge finds Bitcoin mining is growing cleaner as hydropower leads, while AI diversification remains in its early stages.

Bitcoin mining is using more electricity than ever, yet its carbon footprint is growing at a slower pace. Fresh research from the Cambridge Centre for Alternative Finance points to a larger share of power coming from low-carbon sources, led by hydropower. Even so, rising network activity continues to push overall emissions higher. Early findings also suggest many mining firms are considering artificial intelligence, although few have made the move.

Cambridge Research Shows Bitcoin Mining Growing Faster Than Its Carbon Footprint

Bitcoin’s annual electricity consumption reached roughly 190 terawatt-hours by December 2025, according to preliminary Cambridge research. That marks a sharp rise from 138 terawatt-hours recorded in June 2024. Alexander Neumueller shared the figures during the inaugural Energy Investors Forum in Dallas ahead of the release of Cambridge’s second Digital Mining Industry Report.

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