Austin, Waco and Central Texas Data Centers

This page covers Austin, Waco and Temple: 23 counties from Travis and Williamson out to Bastrop and Caldwell, north through Bell and Milam, and up to McLennan and Hill. All of it is on the ERCOT grid, served by Austin Energy, Oncor and a mix of electric cooperatives. 18 data center campuses are open, being built or planned here: 5 operating (1 still adding buildings), 7 under construction and 6 announced or permitted. The largest is Nexus Hubbard Campus in Hubbard, at 7.7 GW (an estimate), developed by Nexus Data Centers. Williamson County has the most campuses, with 4.

Data center campuses in Central Texas

Questions about Central Texas data centers

How many data centers are in Central Texas?
18 named data center campuses are in Central Texas as of 2026: 5 operating (1 still adding buildings), 7 under construction and 6 announced or permitted. The count covers named campuses with a published source, not every building, and leaves out paused or cancelled projects.
What is the largest data center in Central Texas?
Nexus Hubbard Campus in Hubbard is the largest at 7.7 GW (an estimate), developed by Nexus Data Centers. It is under construction.
Which data centers are under construction in Central Texas?
7 campuses are under construction: Nexus Hubbard Campus (Hubbard), CloudBurst San Marcos Campus (San Marcos), OpenAI Stargate Milam (Milam County), Rowan Project Temple (Temple), CyrusOne DFW10 (Bosque County) and CyrusOne Fairfield Campus (DFW20) (Fairfield), and 1 more listed on this page.
How much data center capacity is planned in Central Texas?
The 13 campuses with a published capacity add up to 16.8 GW at full build. 3 of those figures are estimates, marked "est." in the list. The other 5 have no published figure yet.
Which counties are in Central Texas?
This page follows the Capital Area, Heart of Texas and Central Texas council of governments planning regions: Bastrop, Blanco, Burnet, Caldwell, Fayette, Hays, Lee, Llano, Travis, Williamson, Bosque, Falls, Freestone, Hill, Limestone, McLennan, Bell, Coryell, Hamilton, Lampasas, Milam, Mills and San Saba counties. Campuses sit in Williamson County (4), Milam County (3), Bastrop County (2), Bell County (2), Caldwell County (2), Bosque County (1), Freestone County (1), Hays County (1), Hill County (1) and McLennan County (1).

Other Texas regions