AI data centers push Big Tech toward natural gas as climate commitments fade into background

Big Tech Climate Goals Collide With AI Power Demand

The race to build AI infrastructure is forcing major technology companies to reconsider their environmental commitments, with natural gas emerging as the fuel of choice despite previous pledges to achieve carbon neutrality. Google's greenhouse gas emissions have jumped nearly 50% over roughly the first five years of its climate commitments, while Amazon's rose 33%, Microsoft's climbed more than 23%, and Meta's surged over 60%1

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. These increases come even as tech companies bought record amounts of clean energy in 2024 and 2025, according to the Clean Energy Buyers Association1

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Data centers used about 4.6% of total U.S. electricity in 2024, a share that could nearly triple by 2028, according to government estimates1

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. Some analysts predict nationwide electricity demand to rise as much as 20% in the next decade, with AI data centers a primary driver3

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. "Even if they haven't officially revised their goals, they are starting to acknowledge that, 'Yeah, we're maybe not on track,'" said Patrick Huang, a senior analyst at Wood Mackenzie1

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Natural Gas Becomes Default Solution for Surging Power Demands

Natural gas in 2024 accounted for more than 40% of electricity powering U.S. data centers, while coal supplied 30% globally, the International Energy Agency reported1

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. The trend toward fossil fuels appears to be accelerating rather than slowing. Utilities are planning natural gas plants around the country to help supply data centers, while some tech companies are building on-site power plants dedicated exclusively to feeding individual facilities3

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"Companies are scrambling to try to get as much power as they can as quickly as possible," said Lori Bird, director of the U.S. Energy Program at the World Resources Institute. "It's a mad rush and a lot of competition for resources"1

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. Chevron announced this week it's working on a deal to build a natural gas plant dedicated to a Microsoft data center in Texas, exemplifying the growing trend toward on-site power generation2

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Energy Islands Gain Traction Despite Grid Integration Debate

Roughly 30% of all planned data center power capacity is expected to be on-site, according to a February report by Cleanview, a market intelligence firm—up from almost nothing a year earlier2

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. "I wouldn't be surprised if we see it rise to 50% of planned capacity," said Michael Thomas, founder of Cleanview2

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. Companies building AI infrastructure say avoiding power grids—at least initially—can bypass years-long waits to connect, provide more control, and avoid straining the electric system with massive new demand2

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"For us, speed is the competitive currency," said Cully Cavness, president and co-founder of data center developer Crusoe, speaking at the CERAWeek conference in Houston. "There are some aspects of islanding that are faster"2

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. However, critics argue that energy islands ultimately increase costs and reduce reliability compared to grid integration. "If we decouple the AI ecosystem from the electric grid ecosystem, I think everybody loses," said Varun Sivaram, founder of startup EmeraldAI2

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Google Explores Natural Gas Despite Clean Energy Leadership

Google and Crusoe Energy are partnering to build a data center campus in North Texas called "Goodnight," powered largely by a massive on-site natural gas plant alongside a wind farm, according to permits and documents reviewed by Cleanview5

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. The gas plant would approach one gigawatt and emit about 4.5 million tons of carbon dioxide annually, more than many major U.S. cities. The project could cost nearly $30 billion5

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The development marks a potential shift for Google, which has earned a reputation for prioritizing renewable energy and investing in next-generation technologies including fusion, advanced nuclear reactors, geothermal, and batteries5

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. "Many climate activists will see Google exploring natural gas as a sort of betrayal," said Thomas. "There's no doubt that it would be in tension with the company's stated 'moonshot' goal of becoming carbon-free by 2030"5

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Reliance on Fossil Fuels Threatens Climate Change Mitigation

The shift toward natural gas—which is mostly methane, a planet-warming greenhouse gas—threatens to lock in reliance on fossil fuels for decades. Although some new gas plants will replace dirtier coal plants, it takes about 30 years to recover the investment, delaying the overall transition to clean and renewable energy1

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. AI is blamed in part for a 2.4% uptick in U.S. fossil fuel emissions last year, according to a study by the Rhodium Group3

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"Gas-fired power, for sure, is critical" to the development of artificial intelligence, Laurent Ruseckas of S&P Global told AFP at CERAWeek4

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. Natural gas is already the third-largest energy source used by data centers globally, covering 26% of demand, with a carbon footprint that contributes significantly to climate change4

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. A backlog of proposed projects awaiting permission to connect to power grids and efforts by the Trump administration to sideline renewable energy may further prolong dependence on fossil fuels1

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Microsoft President Brad Smith told The Associated Press that he remains "confident in our ability" to meet the company's 2030 goal to remove more carbon dioxide from the atmosphere than it emits by investing in nuclear, solar and hydropower1

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. However, Microsoft is simultaneously building two new natural gas plants in Wisconsin to help power a data center, while Meta plans three natural gas plants for a massive data center in rural Louisiana3

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. Both companies say they will offset these facilities with solar investments elsewhere, though such arrangements raise questions about the effectiveness of clean energy commitments when electricity demand continues to climb.