Microsoft has officially unveiled Fairwater, its groundbreaking AI data center located in Mount Pleasant, Wisconsin. Set to go online in early 2026, this facility is engineered to be the most powerful of its kind globally, designed to spearhead next-generation AI model training and inference. The colossal campus spans 315 acres and features 1.2 million square feet of space across three buildings, housing hundreds of thousands of NVIDIA’s advanced GB200 and GB300 GPUs.
Key Takeaways
- Microsoft’s Fairwater AI data center in Wisconsin is the world’s largest and most powerful.
- It will house hundreds of thousands of NVIDIA GPUs, delivering 10x the performance of current supercomputers.
- The facility utilizes advanced closed-loop liquid cooling, minimizing water usage.
- Microsoft is investing over $7 billion in Wisconsin, including a second similar data center.
- The project aims to drive AI innovation while addressing community impact and energy costs.
A New Era of AI Compute
Fairwater represents a significant leap in AI infrastructure, designed as a massive AI supercomputer. Unlike traditional data centers optimized for smaller, independent workloads, Fairwater is built to function as a single, cohesive unit. It will house hundreds of thousands of the latest NVIDIA GPUs, interconnected with high-speed fiber optics, capable of processing AI training and inference workloads at unprecedented scales. Microsoft claims the facility will deliver ten times the performance of the world’s fastest supercomputers for these demanding AI tasks.
Engineering Marvel and Environmental Considerations
The construction of Fairwater is an engineering feat, involving extensive use of materials like 26.5 million pounds of structural steel and miles of cabling and piping. A key innovation is its advanced closed-loop liquid cooling system, designed to efficiently manage the heat generated by the high-density AI hardware. This system requires water only once during construction, after which it is continuously recirculated with zero operational water waste. This approach, coupled with a commitment to offsetting fossil fuel energy consumption with carbon-free alternatives, underscores Microsoft’s focus on sustainability and minimizing environmental impact.
Investment and Community Impact
Microsoft’s investment in Wisconsin extends beyond the Fairwater facility, with an additional $4 billion committed for a second, similar data center nearby, bringing the total investment in the state to over $7 billion. The company is also taking steps to mitigate the impact on local energy prices, including pre-paying energy and infrastructure costs and partnering on a 250 MW solar project. The construction phase employed 3,000 workers, and the operational facility will create 500 full-time jobs, positioning Microsoft as a significant economic contributor to the region.
Via Microsoft



