Microsoft TRP3 (SAT46)
Medina County, TX
Source: OpenStreetMap
Microsoft TRP3 (SAT46) is a mapped data center in Medina County, TX, operated by Microsoft Data Center LLC and ultimately owned by Microsoft Corporation. DataCentersExposed has documented a 228,897 sq ft footprint at this site.
Reporting by Eric Keller · Updated Jun 14, 2026
Most sites are mapped — located but awaiting a second source. How we verify
Dot size = disclosed capacity (MW). Smallest = undisclosed, not small.
Overview
source: linkMicrosoft TRP3 (SAT46) is a mapped data center in Medina County, Texas, filed by Microsoft Data Center LLC and owned by its parent, Microsoft Corporation. Its reported footprint is 228,897 square feet. Power comes from Bandera Electric Coop, Inc. within the ERCO balancing authority.
Operator chain
- Ultimate parentMicrosoft Corporation
- Files asMicrosoft Data Center LLC
- This facilityMicrosoft TRP3 (SAT46)
The grid behind this site, right now
source: ERCOT · gridstatus- Natural Gas45.3%
- Solar29.0%
- Coal13.7%
- Nuclear7.9%
- Wind4.0%
Real-time generation mix for the ERCOT grid this site draws from, as of Jun 16, 2026, 2:44 PM. ISO-wide, not this facility's own metering. Source: gridstatus.
In the news
source: Google News- Recall petition targets 3 Lowell Township board members over data centerMLive.com· Jun 16, 2026
- Berens, West Wisconsin groups advocate for data center protectionsThe Center Square· Jun 16, 2026
- Google and Blackstone TPU JV, Microsoft Expansion, and Amazon Land Deal Signal New Data Center GrowthThe National Law Review· Jun 16, 2026
- Project Jupiter AI data center build raises concerns about water usage in rural New Mexico desert — Oracle calls water usage 'negligible' for 11 million gallon one-time fillTom's Hardware· Jun 16, 2026
- Lowell Township recall effort heads to Kent County courthouse over Microsoft data center disputeFOX 17 West Michigan News· Jun 16, 2026
- Opposition to Microsoft Data Center spurs recall campaign, meeting shutdowns in LowellWZZM13.com· Jun 16, 2026
Tax breaks & subsidies
source: Good Jobs First / GASB 77These tax breaks are recorded to Microsoft Corporation (the operator/parent) and may cover this or other sites — no state names the recipient at the facility level.
- Texas Qualifying Large Data Center Project Exemption$0State of Texas · granted 2024 · term — yr · source
- Texas Qualifying Large Data Center Project Exemption$0State of Texas · granted 2023 · term — yr · source
- Qualified Data Center Sales Tax Exemption$0State of Wisconsin · granted 2023 · term — yr · source
- Texas Qualifying Large Data Center Project Exemption$0State of Texas · granted 2022 · term — yr · source
- Texas Qualifying Data Center Exemption$0State of Texas · granted 2021 · term — yr · source
- Texas Qualifying Large Data Center Project Exemption$0State of Texas · granted 2015 · term — yr · source
- Texas Qualifying Data Center Exemption$0State of Texas · granted 2013 · term — yr · source
- Texas Qualifying Data Center Exemption$0State of Texas · granted 2013 · term — yr · source
Texas reported $16.1M in Property used in certain large data center projects; temporary exemption (Texas Tax Code § 151.3595) for FY2025 (Texas Comptroller of Public Accounts). Program-wide, not attributable to this site.
Water use
No measured record exists, so this is a low-confidence model from 175 MW (interconnection capacity): 2 L/kWh cooling (hot climate) + 0.45 gal/kWh embedded in US grid average. How we estimate. Have a utility document? Send it and we'll replace this with the real figure.
EPA permits & violations
source: EPA ECHONo reported violations as of last sync.
Air quality near this site
source: AirNowAir Quality Index from the nearest AirNow reporting area (San Antonio), as of 2026-06-10. Regional context — not this facility's own emissions.
Who lives nearby
source: Census ACS 2023Demographics of the census tract this facility sits in (American Community Survey 5-year estimates). Environmental-justice context for who bears the local impacts.
Nearest school
source: HIFLD / NCESThe nearest public school, Medina Valley Loma Alta Middle in San Antonio, is 1.0 mi from this site (790 students).
Schools are sensitive receptors for the noise, backup-generator exhaust, and traffic a large data center brings. Straight-line distance to the nearest public school (HIFLD/NCES, US public schools only).
Hearings timeline
No public-hearing records linked to this site yet. We surface planning-commission and board-of-supervisors dates when a record names a facility. If you know of a hearing on this site, tell us.