Google's electricity consumption jumped 37% in 2025 as the company scaled AI data centers, bringing its carbon footprint to about 14.5 million metric tons of carbon dioxide equivalent. Although Google has matched 100 percent of its electricity with renewable energy purchases for nine consecutive years, it acknowledges that such claims can mask continued fossil-fuel use in local power grids, prompting a shift toward more granular "24/7 carbon-free energy" accounting. The company is investing heavily in clean energy technologies but faces scrutiny over a potential natural gas plant in Texas that could emit 4.5 million tons of carbon dioxide annually.
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Google's electricity use jumped 37% in 2025, driven by AI infrastructure buildout. The company's overall carbon footprint reached about 14.5 million metric tons of carbon dioxide equivalent. To offset this, Google signed purchase agreements for 12 gigawatts of "net-new clean energy"—the largest annual total in its history.
Why it matters
Google has matched 100 percent of its electricity consumption with renewable energy purchases for nine years running, but the company now acknowledges that renewable-purchase claims can mask continued reliance on fossil-fuel power in local grids. In response, Google is shifting to a "24/7 carbon-free energy ambition" that tracks hourly and local clean-energy matches more granularly. This suggests that even companies with strong renewable commitments face a gap between stated goals and actual grid reality.
What to watch
Google has invested more than $3.8 billion（約6100億円） between 2010 and 2025 in advanced nuclear, fusion energy, enhanced geothermal, long-duration energy storage, and natural gas with carbon capture—expected to bring 7.5 gigawatts of clean energy online. However, a proposed 933-megawatt natural gas power plant without carbon capture at Google's Texas data center campus could produce 4.5 million tons of carbon dioxide annually, though Google has not yet signed an agreement for how much power it would draw from that plant.
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