Data Center Building TX11 — San Antonio, TX · Ask the Grid

Power and grid

Capacity	Basis	Status	Scope	As of
32 MW	Utility Service	Reported	Building	2026-07-27
Reported total capacity for the exact TX11 two-story building, consisting of four 8 MW data halls. The source does not identify this figure as contracted, approved, energized, utility-service, or critical-IT capacity.

Utility: CPS Energy
ISO / RTO: ERCOT
Redundancy: The official TCEQ permit basis identifies 86 diesel emergency generators intended to provide backup electricity during utility emergencies or power loss. A third-party facility listing additionally reports N+1 diesel-generator backup, but the N+1 characterization is not confirmed by the official permit.
Backup generation: At full build-out, the exact TX11 site is described in the TCEQ Federal Operating Permit basis as having 86 diesel emergency generators, each with an associated diesel belly tank, to provide backup electricity during utility emergencies or power loss. The permit states that there are no other stationary combustion sources at the site besides the emergency backup generators.
Onsite generation: A gas-fired plant is reported as being developed for the Vantage data center in the Texas Research Park. No generation capacity, unit count, ownership, commissioning status, or detailed equipment configuration is established for the exact TX11 building in the official permit evidence.
Power sources: CPS Energy utility supply is the reported utility context for the San Antonio site · 86 diesel emergency generators for backup electricity during utility loss · A gas-fired plant is reported as in development for the Vantage data center in Texas Research Park; capacity and operating status are not established in the cited official permit
Dockets: TABS2024007561 · TCEQ Federal Operating Permit O4791

Facility and development

Gross floor area (sq ft): 242,667
Buildings: 1
Construction: TX11 is a permitted, two-story data-center building at 14720 Omicron Drive, San Antonio. Construction began December 15, 2023. The building is designed for 32 MW across four 8 MW data halls and has 242,667 square feet of gross building area. The TDLR filing lists an estimated completion date of September 1, 2026 and current status as Inspection Complete; no separate commercial-operation date is documented.
Land transaction: The land containing the 14720 Omicron Drive development was purchased by Vantage Data Centers from the University of Texas System Board of Regents in July 2023.
Availability tier: Tier 3
Operating context: Vantage Data Centers is developing and operating TX11 as a wholesale, scalable data-center building at 14720 Omicron Drive. The two-story building comprises four 8 MW data halls and has a stated total capacity of 32 MW.
Air permits: TCEQ Title V Federal Operating Permit application for Vantage Data Centers TX11, LLC., Vantage TX 11, Permit O4791; the application was listed as technically complete with a received date of July 17, 2025. · TCEQ New Source Review Permit-by-Rule authorization 106.511, registration 175523, for the TX11 emergency critical generators. · TCEQ New Source Review Permit-by-Rule authorization 106.472 for the TX11 diesel belly tanks.
Emissions: At full build-out, TX11 is identified in the TCEQ operating-permit basis as having 86 diesel emergency generators, each with an associated diesel belly tank. The generators provide backup power during utility emergencies and are also operated for maintenance and readiness testing. TCEQ states that there are no other stationary combustion sources at the site; the other stationary VOC or particulate-matter sources are the diesel belly tanks. The available record does not provide quantified pollutant emission rates in the reviewed excerpts.
Environmental impacts: Potential air-quality impacts from diesel combustion during emergency operation, maintenance, and readiness testing; the generators are subject to federal NSPS Subpart IIII and other applicable air requirements. · Potential VOC and particulate-matter emissions from diesel belly tanks; TCEQ identifies those tanks as the site's other stationary VOC or PM sources.
Project cost (USD): 95,823,731
Tax abatements: No site-specific Bexar County property-tax abatement agreement was identified. Bexar County's published 2025–2026 guidelines expressly list data centers among projects ineligible for a tax abatement. · TX11 was registered in the Texas Comptroller's qualifying-data-center program effective March 6, 2024, with an exemption end date of November 4, 2025. The records identify the registration and parties but do not state a project-specific dollar value of the resulting tax benefit.
Permits and dockets: Texas Department of Licensing and Regulation Architectural Barriers project TABS2024007561: Data Center Building TX11, registered December 15, 2023, at 14720 Omicron Drive. · TDLR filing identifies VANTAGE DATA CENTERS TX1 LLC as owner and Sheehan Nagle Hartray Architects as design firm. No separate site-specific PUCT, ERCOT, CPS Energy, water, or other utility docket was identified.
Transactions: In late July 2023, Vantage Data Centers purchased approximately 57.9 acres in the Texas Research Park beside Omicron Drive and Theta Drive from the University of Texas System Board of Regents; the parcel contains the TX11 site. · The purchase price for the 57.9-acre parcel was not disclosed in the reviewed records. · The TX11 construction project is privately funded on private land for private use; the TDLR estimated project cost is $95,823,731.
Public hearings: TCEQ scheduled a Notice and Comment Hearing for Vantage Data Centers TX11, LLC, permit O4791, on August 17, 2026 at 7:00 p.m.; the TCEQ calendar identifies the facility location as Bexar County 78245. As of the current date, July 27, 2026, this hearing is upcoming. · The May 28, 2026 TCEQ hearing at the Courtyard by Marriott San Antonio SeaWorld concerned permit O4790 for Vantage TX21 at 5207 Rogers Road, not the exact TX11 building at 14720 Omicron Drive.
Opposition or litigation: Local residents and environmental advocates have opposed or questioned Vantage's San Antonio-area data-center development, citing diesel-generator emissions, potential health effects, water and wastewater transparency, emergency-generator operation, and cumulative impacts. The reporting specifically mentions the nearby Omicron Drive Vantage site while focusing on the Rogers Road hearing. · The Environmental Integrity Project, Sierra Club, and Public Citizen issued a July 22, 2026 notice of intent to sue Vantage Data Centers and VoltaGrid under the Clean Air Act. The notice alleges that the companies used minor-source permitting for interconnected generation and data-center operations instead of obtaining permits with stricter federal requirements. The notice is a required pre-suit step, not a filed lawsuit or adjudication of liability. · No filed lawsuit, judgment, settlement, or petition specifically naming Data Center Building TX11 or TABS2024007561 was located. The available litigation reporting concerns two broader Vantage San Antonio-area projects and specifically references TX12 and/or TX21.

Identity and campus: Data Center Building TX11
Also reported as TX11, Vantage TX11 - San Antonio, San Antonio Data Center.
Regulatory record: TX11 is a privately funded, privately owned two-story data-center building at 14720 Omicron Drive, San Antonio, registered under TDLR project TABS2024007561. The TDLR filing records a 32 MW building with four 8 MW data halls, 242,667 square feet, a September 1, 2026 completion date, and inspection-complete status. Texas Comptroller records separately show TX11 Data Center registered as a qualifying data center effective March 6, 2024, with Microsoft Corporation as occupant and an exemption end date of November 4, 2025.
Availability tier: Tier 3

Data Center Building TX11

Data Center Building TX11

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Data Center Building TX11

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