AI Data Center Construction Projects

A sourced directory of data center campuses: who is building, where, how big, and how far along. Start with a state, or sort and filter the full list. Every row links to a project page with developer, tenant, capacity, cost and the source behind each figure.

As cited in Newsweek: “Map Shows States Where Biggest Data Centers Are Being Built” (October 2026).

The 50 largest tracked data center projects

Browse all 1,095 tracked projects

The list above is the 50 largest by tracked capacity. Every project is also listed under its build status and on its state market page, and the sortable table on this page carries all 1,095 rows with filters for developer, status, energy source and size.

Data center markets by state

All US markets

Frequently asked questions

How many AI data center projects are there?
Data Center Index counts 864 AI data center campuses worldwide as of 2026-10-28: 252 operating (20 of them still adding buildings), 219 under construction and 393 announced or permitted. Paused and cancelled projects stay listed with their source but are left out of every count.
How many data centers are under construction in the US?
167 US campuses are under construction, and 16 operating US campuses are still adding buildings, out of 690 tracked across 44 states. The most active building states are Texas (43 campuses), Ohio (22 campuses) and Virginia (21 campuses).
How much data center capacity is being built?
Counted campuses add up to 270.1 GW of planned capacity and $2.2T of stated project cost. The cost total only includes campuses whose developer or a filing published a figure, so the real spend is higher. Capacity nobody publishes is modeled and marked estimated on each project.
Where are the most data center projects?
In the US, Texas (107 campuses), Virginia (94 campuses) and Ohio (48 campuses) lead. Outside the US the directory covers 48 more countries. The largest single campuses are ranked at https://datacenterindex.ai/rankings/largest-data-centers.