Site · Shared context
CyrusOne SAT2–SAT4 San Antonio Data Center Campus
Partially operational · San Antonio, Texas, United States
Same locality: San Antonio
All records
Data center siteSite record
Stream SATB San Antonio Campus
San Antonio, Texas, United StatesUnder construction
Capacity
200 MW
Planned / design
Lead participant
Stream Data Centers
Operator
Last updated
Aug 26, 2026
Most recent public record update
About Stream SATB San Antonio Campus
Stream's third San Antonio campus is officially listed under construction. SATB1 is fully leased, while the five-building campus is planned for 200 MW of IT capacity and 1.5 million square feet at full build.
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Projects sharing a market, utility, or organization.
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CyrusOne SAT5–SAT6 San Antonio Data Center Campus
Partially operational · San Antonio, Texas, United States
Same locality: San Antonio
Site · Shared context
QTS SAT2 San Antonio Data Center Campus
Partially operational · San Antonio, Texas, United States
Same locality: San Antonio
Site · Shared context
CyrusOne SAT1 San Antonio Data Center
Operating / Stabilized · San Antonio, Texas, United States
Same locality: San Antonio
Capacity
Planned / designOperating capacity—An operating IT-capacity figure has not been publicly disclosed.
Future Potential200 MWForecast · Stream SATB San Antonio Campus
Future Potential120 MWActual · Stream SATB San Antonio Campus
Utility Service334 MWActual · Stream SATB San Antonio Campus
Development
2 phases · 4 milestonesSATB1 / San Antonio IIIUnder Construction
First 300,000-square-foot facility. Historical Q2 2025 occupancy target is not an achieved milestone.
1 building
SATB full campusPlanned
Three buildings/120 MW remain marketed as available; no current live capacity inferred.
5 buildings
Jun 26, 2024
SATB campus groundbreaking announced
CompletedNov 1, 2024
Data Hall 2 and 4 fit-outs registered to start
CompletedApr 1, 2025
Original occupancy target passed without captured completion evidence
CompletedDec 1, 2025
TDLR completion date is not occupancy proof
CompletedInfrastructure
Electric GridPlanned Or Represented
200 MW IT
Five-building campus envelope; not current live capacity.
Electric GridPlanned Or Represented
40 MW IT
Per-building design basis for up to five facilities.
Electric GridPlanned Or Represented
120 MW IT
Three later buildings marketed as available; not live capacity.
Electric GridUnder Construction
334 MW utility
Dual-fed breaker-and-a-half CPS substation; utility basis, not IT load.
Cooling SystemPlanned Or Represented
0 WUE
Operator markets zero-water-use air/liquid-ready cooling; verify measured operating WUE after opening.
Project map
0 of 1 project point mappedInfrastructure facts
5
Mapped records
1
Capacity figures
5
No map point available
Power & interconnection: 4Cooling & water: 1
Facts & sources
Published claims and their source links.
Operating StatusUnder constructionActual
Under construction
Site Area135 acresActual
135 acres
Campus Building Count5Actual
5
Campus Gross Area1,500,000 square feetForecast
1,500,000 square feet
Campus It Capacity200 MWForecast
200 MW
First Building Area300,000 square feetForecast
300,000 square feet
First Building Lease StatusFully leasedActual
Fully leased
Available Future Capacity120 MWActual
120 MW
Substation Capacity334 MWActual
334 MW
Historical Occupancy Target2025-Q2Forecast
2025-Q2
Cooling Water Claim0 WUEForecast
0 WUE
Project Investment$400,000,000Transaction Scope
$400,000,000