QTS San Antonio 2 Data Center Campus — San Antonio, TX · Ask the Grid

Overview

Campus power: 27.6 MW; Critical IT Load · Operating
Status: Operating; Operating campus with one commissioned building and a reported second-building expansion; the second building's commissioning and commercial-operation date are not established.
Facility size: 338,721 sq ft; 2 reported buildings · Campus
Project cost: $60.0M; Estimated construction cost in the cited project filing.
Opened: 2021 reported build/commissioning year; QTS SAT2-DC1
Building program: 1 building · three-story; QTS SAT2-DC1

Project scope: QTS San Antonio 2 is an operating 32-acre campus at 8535 Potranco Road. Its SAT2-DC1 building was permitted for construction beginning April 1, 2021, with a scheduled completion date of April 1, 2022; third-party facility data reports it as built in 2021 and commissioned.
Power and grid: The same exact-address public-record entry reports 27.6 MW of IT load. Campus: A trade report states that the existing 8535 Potranco Road campus was expected to offer 90 MW at full build-out; this is a campus target and is not combined with the building-level or operating figures.
Compute role: QTS San Antonio 2 is an operating, purpose-built QTS data-center campus at 8535 Potranco Road. The campus is marketed with 90 MW+ of capacity; the TABS project record identifies the exact SAT2-DC1 facility as a three-story, 338,721-square-foot data center designed to support 45 MW of critical power, with a 9 MW day-one build.

QTS SAT2-DC1

SAT2-DC1 is a three-story purpose-built data center at 8535 Potranco Road. The TDLR permit states that it can support 45 MW of critical power, with a 9 MW day-one build. The permit is closed, and third-party facility data reports the building as commissioned and built in 2021.

QTS SAT2-DC2 / campus expansion

Public site reporting identifies a second building at the 8535 Potranco Road campus and describes it as under construction, while the exact SAT2-DC2 facility listing states that it has not yet been commissioned and shows no leaseable power under construction. No authoritative permit, gross area, construction start, completion date, or commercial-operation date for this second building was located.

Power and grid

Capacity	Basis	Status	Scope	As of
45 MW	Critical IT Load	Reported	QTS SAT2-DC1	2021-04-01
The TABS project description states that QTS SAT2-DC1 can support 45 MW of critical power.
9 MW	Energized Power	Reported	QTS SAT2-DC1	2021-04-01
The TABS project description identifies 9 MW as the day-one build.
46 MW	Energized Power	Operating	Exact Asset	2021-01-01
A public-record entry for the exact 8535 Potranco Road facility reports 46 MW of power capacity and operational status.
27.6 MW	Critical IT Load	Operating	Exact Asset	2021-01-01
The same exact-address public-record entry reports 27.6 MW of IT load.
90 MW	Campus Gross Power	Target	Campus	2023-05-18
A trade report states that the existing 8535 Potranco Road campus was expected to offer 90 MW at full build-out; this is a campus target and is not combined with the building-level or operating figures.

Utility: Bandera Electric Cooperative, Inc.
Balancing authority: ERCOT
ISO / RTO: ERCOT
Redundancy: Dual-feed design; no on-site substation is reported.
Backup generation: Diesel-generator activity is reported at the QTS facility, but the reviewed evidence does not establish generator count, capacity, operating configuration, or whether generation is prime, standby, or legally permitted for this exact asset.
Power sources: Utility-supplied electricity from Bandera Electric Cooperative, Inc.; grid connection is also identified as ERCOT.
Dockets: TABS2021007232

Facility and development

Gross floor area (sq ft): 338,721
Site area (acres): 32
Buildings: 2
Construction: QTS San Antonio 2 is an operating 32-acre campus at 8535 Potranco Road. Its SAT2-DC1 building was permitted for construction beginning April 1, 2021, with a scheduled completion date of April 1, 2022; third-party facility data reports it as built in 2021 and commissioned. Public reporting describes one operational building and a second building under construction or expansion in progress, while a separate facility listing says the second facility has not yet been commissioned. The campus is marketed by QTS at 90 MW+ of total capacity, while the SAT2-DC1 permit specifies 45 MW ultimate critical-power support and 9 MW on day one.
Facility class: Hyperscale · Colocation
Fiber and connectivity: QTS describes the San Antonio campus as strategically positioned for connectivity to the U.S. East and West Coasts, Canada, Mexico, and Central and South America. QTS also offers an on-net connectivity-partner marketplace at San Antonio, with connectivity solutions integrated into its customer platform.
Operating context: QTS San Antonio 2 is an operating, purpose-built QTS data-center campus at 8535 Potranco Road. The campus is marketed with 90 MW+ of capacity; the TABS project record identifies the exact SAT2-DC1 facility as a three-story, 338,721-square-foot data center designed to support 45 MW of critical power, with a 9 MW day-one build. The operating model is primarily colocation with hyperscale-oriented capacity and services.
Air permits: TCEQ Permit by Rule (PBR) new registration for QTS SAT2 DC1, regulated entity RN111241394, covering engines and turbines under 30 TAC §106.511; submitted September 30–October 2, 2025. The retrieved record does not state a final permit number or approval status.
Emissions: The site has a TCEQ PBR air-registration record for engines and turbines. The retrieved record states that maximum emission rates were certified as operating limits, but it does not provide numerical emission rates or pollutant totals.
Environmental impacts: Regional reporting identifies potential pressure from data-center development on water, sewer, power, and other utilities, but no quantified environmental impact specific to QTS San Antonio 2 was disclosed.
Project cost (USD): 60,000,000
Permits and dockets: Texas Department of Licensing and Regulation Architectural Barriers project TABS2021007232 / QTS SAT2-DC1: 8535 Potranco Road; registration date January 11, 2021; estimated cost $60,000,000; new construction; project dates April 1, 2021-April 1, 2022; project closed. · Texas Commission on Environmental Quality Permit by Rule new registration for QTS SAT2 DC1, Regulated Entity RN111241394 and Customer Number CN605956846. The registration covers engines and turbines under PBR Rule 106.511; QTS San Antonio II, LLC is the owner/operator applicant. The application was signed September 30, 2025 and submitted October 2, 2025.
Public hearings: No exact-asset public hearing was identified. The May 10, 2023 Planning Commission matter concerned the separate QTS San Antonio III Omicron Subdivision, not the 8535 Potranco Road campus.
Community benefits: No exact-asset community benefit was identified. QTS publicly describes operator-wide benefits including jobs, tax revenues, and support for parks, hospitals, schools, roads, and first responders, but the reviewed evidence does not tie a specific benefit to 8535 Potranco Road.
Petitions: No petition concerning the exact QTS San Antonio 2 campus at 8535 Potranco Road was identified in the reviewed sources.
Opposition or litigation: No exact-asset opposition, lawsuit, or other litigation concerning the 8535 Potranco Road campus was identified in the reviewed sources.

Identity and campus: QTS San Antonio 2 Data Center Campus
Also reported as QTS San Antonio, QTS San Antonio II, QTS San Antonio 2 Data Center, QTS San Antonio DC2.
Regulatory record: QTS SAT2-DC1 is a privately funded, privately owned/used three-story data-center project at 8535 Potranco Road, San Antonio. The TDLR architectural-barriers registration was filed on January 11, 2021, with construction scheduled from April 1, 2021 through April 1, 2022, and is listed as closed. TCEQ records show a later Permit by Rule (PBR) new registration for engines and turbines for QTS SAT2 DC1, with QTS San Antonio II, LLC as owner/operator applicant and Environmental Resources Management Inc. as technical consultant.

QTS San Antonio 2 Data Center Campus

QTS San Antonio 2 Data Center Campus

Overview

QTS SAT2-DC1

QTS SAT2-DC2 / campus expansion

Power and grid

Facility and development

Timeline

Organizations

Sources

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