Data Center Knowledge published its May 2026 roundup of new data center developments, cataloging construction starts, land acquisitions, and campus announcements across the United States. The roundup reflects sustained capital deployment into physical infrastructure as hyperscalers and colocation operators expand capacity to meet AI workload demand. Projects span multiple states and represent billions of dollars in planned investment. The monthly tracker has become a key reference for investors and policymakers monitoring the pace of data center buildout.