Microsoft Fairwater AI Data Centre: A $7.3 Billion Step Towards Sustainable AI

other companies follow this model, the future of AI could be much greener. For now, Fairwater stands as a shining example of what is possible when technology and sustainability are designed together from the start.

Exam-Focused Points

• Project name:  Fairwater AI Data Centre

• Company:  Microsoft

• Location:  Mount Pleasant, Wisconsin, USA

• Announced:  3 June 2026 (at Microsoft Build 2026 conference)

• Investment:  Approximately $7.3 billion

• Size:  About 315 acres

• Key feature:  Closed-loop liquid cooling system (filled once during construction, water continuously recycled)

• Water use comparison:  Consumes no more water annually than a neighbourhood restaurant

• Structure:  Two-storey vertical design (dense GPU packing)

• GPUs:  Hundreds of thousands of NVIDIA GB200 chips

• Status:  Already live (went live ahead of schedule in April 2026)

• Environmental benefit:  Minimises water waste, reduces land use, lowers latency

• CEO:  Satya Nadella

• Broader context:  Part of Microsoft’s commitment to be carbon negative by 2030

• Future expansion:  Second similar facility planned in Wisconsin

Frequently Asked Questions (FAQ)

Q1: What is the Fairwater AI Data Centre?
A: Fairwater is Microsoft’s new AI data centre in Mount Pleasant, Wisconsin. It is designed to provide massive computing power for AI while using very little water.

Q2: How does the closed-loop cooling system work?
A: The system is filled with water just once during construction. The same water is then continuously recycled inside the facility to cool the servers. No fresh water is needed after the initial fill.

Q3: How much water does Fairwater use?
A: Microsoft CEO Satya Nadella said that Fairwater consumes no more water annually than a typical neighbourhood restaurant. This is a huge saving compared to traditional data centres.

Q4: Why is this data centre important for the environment?
A: AI and data centres are growing very fast. They already use huge amounts of water and energy. Fairwater shows that it is possible to build powerful AI infrastructure without destroying local water resources.

Q5: When was Fairwater announced and when did it go live?
A: Microsoft first announced Fairwater in September 2025. It went live ahead of schedule in April 2026. Microsoft officially unveiled it to the public during the Build 2026 conference on 3 June 2026.