San Antonio and South Texas Data Centers

This page covers San Antonio and South Texas: Bexar County and the Alamo region around it, plus Laredo, Corpus Christi, the Rio Grande Valley and the Middle Rio Grande, 40 counties in all. San Antonio's power comes from CPS Energy, the city-owned utility, inside ERCOT. 12 data center campuses are open, being built or planned here: 5 operating (1 still adding buildings), 4 under construction and 3 announced or permitted. The largest is Data City Texas in Laredo, at 5 GW, developed by Energy Abundance Development Corporation. The biggest build under way is Beacon Point in Robstown (704 MW). Bexar County has the most campuses, with 6.

Data center campuses in San Antonio and South Texas

  • Soluna Project Kati, Willacy County (Willacy County) · operational · 166 MW · developer: Soluna Holdings
  • Vantage TX1, San Antonio (Bexar County) · operational · 128 MW est. · developer: Vantage Data Centers
  • Microsoft SAT40, San Antonio (Bexar County) · operational · 75 MW est. · developer: Microsoft
  • Microsoft SAT14, San Antonio (Bexar County) · operational · 47 MW est. · developer: Microsoft
  • QTS San Antonio Campus (SAT2), San Antonio (Bexar County) · operational · developer: QTS Data Centers
  • Beacon Point, Robstown (Nueces County) · under construction · 704 MW · developer: Hut 8
  • Stream San Antonio III, San Antonio (Bexar County) · under construction · 200 MW · developer: Stream Data Centers
  • Fluidstack Cameron County Campus, Rio Hondo (Cameron County) · under construction · developer: Fluidstack
  • Vantage San Antonio II (Rogers Road), San Antonio (Bexar County) · under construction · developer: Vantage Data Centers
  • Data City Texas, Laredo (Webb County) · announced · 5 GW · developer: Energy Abundance Development Corporation
  • Cipher Reveille, Cotulla (La Salle County) · announced · developer: Cipher Digital
  • Microsoft Castroville SAT82, Castroville (Medina County) · announced · developer: Microsoft

Questions about San Antonio and South Texas data centers

How many data centers are in San Antonio and South Texas?
12 named data center campuses are in San Antonio and South Texas as of 2026: 5 operating (1 still adding buildings), 4 under construction and 3 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 San Antonio and South Texas?
Data City Texas in Laredo is the largest at 5 GW, developed by Energy Abundance Development Corporation. It is announced.
Which data centers are under construction in San Antonio and South Texas?
4 campuses are under construction: Beacon Point (Robstown), Stream San Antonio III (San Antonio), Fluidstack Cameron County Campus (Rio Hondo) and Vantage San Antonio II (Rogers Road) (San Antonio).
How much data center capacity is planned in San Antonio and South Texas?
The 7 campuses with a published capacity add up to 6.3 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 San Antonio and South Texas?
This page follows the Alamo, South Texas, Coastal Bend, Lower Rio Grande Valley and Middle Rio Grande planning regions: Atascosa, Bandera, Bexar, Comal, Frio, Gillespie, Guadalupe, Karnes, Kendall, Kerr, McMullen, Medina, Wilson, Jim Hogg, Starr, Webb, Zapata, Aransas, Bee, Brooks, Duval, Jim Wells, Kenedy, Kleberg, Live Oak, Nueces, Refugio, San Patricio, Cameron, Hidalgo, Willacy, Dimmit, Edwards, Kinney, La Salle, Maverick, Real, Uvalde, Val Verde and Zavala counties. Campuses sit in Bexar County (6), Cameron County (1), La Salle County (1), Medina County (1), Nueces County (1), Webb County (1) and Willacy County (1).

Other Texas regions