# CyrusOne San Antonio SAT1

ERCOT data center · https://askthegrid.com/assets/facilities/cyrusone-san-antonio-sat1--grid-load-f05dfe2cd8297dbc

CyrusOne San Antonio SAT1 is the colocation facility at 9999 Westover Hills Boulevard, west of downtown near State Highway 151. CyrusOne reports 9 MW of IT capacity and a closed-loop chilled-water cooling system. Its 2025 TCEQ filing identifies diesel emergency generators and associated fuel tanks as backup infrastructure, distinct from grid-delivered power or measured demand. The facility offers remote-hands support, a raised-floor layout and office space alongside its computing environment. Published power-density figures describe design capability rather than customer consumption.

## Identity and location

- Operating status: unknown
- Asset scope: facility
- Location: 9999 Westover Hills Boulevard, San Antonio, Bexar County, TX
- Operator: CyrusOne (exact asset) — https://www.cyrusone.com/data-centers/north-america/san-antonio-texas-sat1

## Power and grid context

- Critical it load: 9 MW · reported · exact asset — Current operator specification labels this total IT capacity; not measured demand or utility-service capacity.

## Development

- Site status: The operator describes a raised-floor facility with more than 20,000 square feet of office space west of downtown San Antonio near State Highway 151.

## Compute and operations

- Facility classes: colocation
- Workloads: Operator describes HPC-capable infrastructure; no installed accelerator count or named tenant is established.

## Sources

- [https://www.cyrusone.com/data-centers/north-america/san-antonio-texas-sat1](https://www.cyrusone.com/data-centers/north-america/san-antonio-texas-sat1)
- [https://www.tceq.texas.gov/assets/public/permitting/air/reports/applications/38609-tc.pdf](https://www.tceq.texas.gov/assets/public/permitting/air/reports/applications/38609-tc.pdf)

## Data quality

- Power values retain their reported, requested, contracted, energized, gross-campus, or critical-IT basis.

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Canonical page: https://askthegrid.com/assets/facilities/cyrusone-san-antonio-sat1--grid-load-f05dfe2cd8297dbc
Profile generated: 2026-09-05T21:38:39.459553Z
Source: Ask the Grid — https://askthegrid.com/