Mastercard St. Louis Tech Hub Data Center (O'Fallon)
Mastercard · O'Fallon, MO · United States
Facility record
- Lifecycle
- OperationalSource-reported lifecycle
- Location precision
- approximate
- Address as listed
- Not published
- Coordinates
- 38.81, -90.7
- Serving utility, source-reported
- Not established
- Operational capacity, source-reported
- Not published
- Planned capacity, source-reported
- Not published
- Source record updated
- 2026-11-02
Source-reported capacity; not metered consumption. Review underlying documents and notes. Planned capacity may include future phases and is not added to operational capacity here. The source may use facility, grid-feed or IT capacity definitions; consult the linked documents.
Coordinate precision is a source label, not an independent parcel survey. A marker does not confirm utility territory or establish an effect on residential bills.
Reported lifecycle history
No dated operational history is established in this record. Publication, discovery and source-update dates are not opening dates.
Source notes
A 75,000 sq ft data center inside a 525,000 sq ft LEED Platinum campus. The campus also houses Mastercard's global operations center and has 4,000+ employees.
Sources and provenance
- Mastercard St. Louis Tech Hub (O'Fallon) campus description · source retrieved 2026-11-02
- Mastercard Global Technology & Operations Headquarters project page · source retrieved 2026-11-02
Power Wars capture: 2026-11-02. Compute Atlas, CC BY 4.0. Entries are not independently verified by Power Wars unless stated.