Brazil: Microsoft begins operating its first AI data centre using old cooling technology that consumes more water than newer ones; company did not respond to source
"Microsoft Brings Older Technology to AI Data Centers in Brazil, Increasing Water Consumption", 30 March 2026
...Microsoft has begun operating its first artificial intelligence data centers in Brazil using evaporation towers, an older cooling technology that consumes several times more water than newer systems. The units are located in Hortolândia and Sumaré, in the interior of São Paulo state.
Documents indicate water consumption could reach...a volume close to the usage of 15,000 people. The company told the local community it intends to use the towers about 10% of operating time, when temperatures exceed 29.4°C...
Sabesp said it sees no risk to local water supply, and the projects obtained environmental licenses. Microsoft declined to comment...