A data center in the Netherlands close to a freshwater source
Water is required for cooling the servers and other hardware in these facilities.
Why do AI data centers need so much water?
In September 2026 Sam Altman, cofounder and CEO of OpenAI, pushed back against claims about the vast quantities of water consumed by artificial intelligence (AI) data centers. According to Altman, growing a single California almond requires roughly as much water as ChatGPT uses to process about 38,000 prompts. In a blog post published the previous year, he had put the water consumption of a single ChatGPT query at approximately 0.3 milliliter (0.01 fluid ounce), or...