Amazon says its data centers used ~2.5B gallons of water in 2025, or 0.12 liters of water per kWh, and water use at sites it owns and operates fell 2% from 2024 (Anvee Bhutani/Wall Street Journal)

Amazon’s data centers consumed roughly 2.5 billion gallons of water in 2025, equating to about 0.12 liters per kilowatt-hour of electricity generated. The water usage is primarily for cooling systems, and overall consumption at sites owned and operated by the company declined by 2 percent compared with the previous year.

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