Amazon’s data centers used 2.5 billion gallons of water last year

Right after Seattle enacted the one-year law Stop the data center That some Amazon employees paid for Amazon subscriber The amount of water used by its data centers, It is said For the first time. With concerns about Water consumption and energy use With new AI data center construction discussions in focus, Amazon says its global data center operations consumed 2.5 billion gallons of water in 2025 at a rate of 0.12 liters per kilowatt-hour of electricity, down 2 percent from 2024’s total even as it expanded its operations.

Amazon also claims that it uses water more efficiently than some of its big tech competitors — this chart in Amazon’s report cites Microsoft, Google, and Meta data that shows they each use more water per kilowatt-hour than Amazon has over the past few years.

Google is the most widely used by far; However, the data mentioned appears to focus specifically on Gemini AI data centers, while Amazon reports all of its operations. However, Amazon’s data does not take into account indirect water use at power plants that provide electricity to its data centers, or things like water use from construction of new data centers.

Amazon says its data centers use air cooling “about 90 percent of the time,” and it uses evaporative water cooling in “the hottest hours of the hottest days,” with its servers also becoming more heat tolerant. Amazon claims its data centers are seven times more water efficient than the industry average, based on a revised figure from a… Peer-reviewed research paper Released last year.