Microsoft San Antonio SAT89/SAT90 Data Centers
Microsoft is building a data center in Medina County, Texas (under construction). One source reports this facility in the Kapwork Grow tracker.
- Investment
- $765M
Who's on this build
Named in the cited sources. No source reports who builds it.
- Other Microsoft builds
Operator
Microsoft
Timeline
Dates as reported. Not a bid calendar. A planned date is not evidence that work occurred.
- Today
Under construction
Last material change Sep 24, 2026.
- 15 mo ago
Construction start
- 16 mo ago
Announced
Reported updates without an event date
Reported for 2025-06.
Event date: Not reported · First observed: Not reported
Reported for 2025-05.
Event date: Not reported · First observed: Not reported
Record quality
- Datasets
- 1
- Location
- Site footprint confirmed
- Summary
- From published records
- Source as of
- Last material change
Site and infrastructure
CA Compute AtlasKW Kapwork Grow tracker record
Status
- Operator
- Microsoft
- Stage
- Under construction
- Facility type
- AI data center
Scale
- Reported investment
- $765M
Reported dates
- Announced
- 2025-05
- Construction start reported
- 2025-06
Site
- City
- Castroville
- County
- Medina
- State
- Texas
- Location precision
- Site footprint confirmed
Power and cooling
- Power source
- Grid power
- Cooling
- Air cooled
- AI workload
- Likely AI or machine-learning workload
Sources, method and limits
Show 5 sourcesHide
What each source reports
| Dataset | Reported name | Reported status | Reported MW |
|---|---|---|---|
| Compute Atlas | Microsoft San Antonio SAT89/SAT90 Data Centers | Under construction | Not reported |
Sources and evidence
- CACompute Atlas facility record (Kubiak, E., 2026, CC BY 4.0)As of: Jul 7, 2026 · Record: microsoft-san-antonio-expansion-tx
- CAData Center Dynamics (cited by Compute Atlas)As of: Jul 6, 2026
- CADatacenters.com (cited by Compute Atlas)As of: Jul 6, 2026
- CATexas Monthly (cited by Compute Atlas)As of: Jul 7, 2026
- CASan Antonio Report (cited by Compute Atlas)As of: Jul 7, 2026
- KWKapwork Grow tracker record, merged from the sources listed here (free account)As of: Sep 23, 2026 · Record: 132263545175502
Limitations and interpretation
- This record is the Kapwork Grow tracker's merged view of a facility, from the tracker snapshot built 2026-09-23. Facts tagged KW are the tracker's resolved values; the per-source rows it was merged from are listed under Sources and on the tracker record.
- Sources on this record: Compute Atlas: Kubiak, E. (2026). Compute Atlas [Data set]. https://doi.org/10.5281/zenodo.22284476 (CC BY 4.0). Every source is licensed for commercial use with attribution.
- An announced or permitted build is not a contract, an open bid or a purchase order.
- Capacity figures are as reported by the cited sources and may describe planned rather than energised capacity.
Cite or correct this record
Kapwork Grow, “Microsoft San Antonio SAT89/SAT90 Data Centers”, https://kapwork.com/grow/directory/datacenters/microsoft-san-antonio-sat89-sat90-data-centers-tx-dc_784b01a07dce, materially updated Sep 24, 2026.
Report an error in this record and we will check it against the cited sources.
An announced or permitted build is not a contract, an open bid or a purchase order. Capacity and dates are as reported by the cited sources. “Not reported” means missing information, not zero. Completed and withdrawn records can remain available as historical records.
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