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AWS Round Rock AI Data Center Expansion

Last updated

Amazon Web Services Central Texas expansion
Pre-construction

Amazon's $5 billion Round Rock expansion is the grid-connected counter-story to the West Texas gas rush: rather than build its own power island, AWS is leaning on existing municipal power agreements in the Austin metro to sidestep the ERCOT interconnection logjam entirely.

Planned powerNot disclosed; $5B capital figure only
Developer
Amazon Web Services
Owner
Amazon Web Services
Tenant
AWS (own cloud/AI workloads)
Power source
Grid: existing municipal power agreements (per announcement)
Cooling
Not disclosed
Compute
AWS AI/cloud infrastructure
Construction start
TBD (announced Jul 2026)
Est. completion
TBD
Grid strategy
ERCOT grid
County
Williamson
Nearest city
Round Rock
Announced
2026-07-15