A total of 68 data centers are currently operating or in the planning stage within a 50-mile radius of San Antonio, according to a database recently collated by the Texas Tribune.
More than half of the San Antonio-area facilities listed in the database haven’t reported the amount of energy they require to operate. However, those that did release that information will require a combined 2,896 megawatts, or enough energy to power 2 million to 3 million homes.
Of the total number of data centers listed for the San Antonio area, 37 are in the planning stage and 31 are already operating, according to the Tribune’s research. The data set doesn’t include timeline for each of the planned centers to come online.
However, at least one of the database’s “planned facilities,” a site on San Antonio’s West Side being developed by Denver-based Vantage Data Centers, is already partly operational, company officials said during a recent public hearing. The 32-megawatt operation will be powered by its own gas power plant and 65 diesel backup generators, Vantage officials said.
Vantage has a total of six facilities planned for the San Antonio area, according to the database. Microsoft has the most, with 11 facilities planned or currently running. Amazon, which operates one of the largest data center networks in the world, also has several facilities planned or operating in the area, and Cloud HQ also has multiple planned facilities, among them a 600-megawatt campus in suburban Hays county.
The overwhelming majority of the data centers within a 50-mile radius of San Antonio are in urban settings rather than rural or less densely populated environments, the Texas Tribune database also shows.
The most energy-intensive facility planned for the area is a 1,200-megawatt CloudBurst data center in San Marcos, which will be powered by natural gas. However, residents of that college town have pushed back, and city officials last month passed a ban on data centers.
“Central Texas has become one of the most rapidly expanding AI corridors in North America,” CloudBurst CEO Tye Johnson said in a November 2025 announcement about the facility’s groundbreaking. “This campus is situated right in the middle of that growth — between Austin and San Antonio — with the land, energy, and fiber access available to support global AI platforms.”
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