Bitter Blue — Building B Data Center — San Antonio, TX · Ask the Grid

Facility and development

Gross floor area (sq ft): 119,407
Site area (acres): 50
Buildings: 1
Construction: Permitted new construction of a two-story, single-tenant computer data-center building identified as Bitter Blue — Building B at 12807 Donop Road. The TDLR filing lists an estimated construction start of December 3, 2026, completion of February 9, 2029, and estimated cost of $65 million. No commercial-operation date is reported.
Land transaction: Amazon Data Services Inc. purchased nearly 50 acres at the Donop Road property in 2020 from an entity linked to local developer Bitterblue.
Facility class: Hyperscale · Cloud
Cooling systems: Evaporative cooling
Cooling medium: Water used for evaporative cooling
Annual water use (gallons): 365,000,000
Peak daily water use (gallons): 1,000,000
Operating context: Planned Amazon Web Services/Amazon Data Services single-tenant, privately funded computer data-center building (Bitter Blue — Building B) at 12807 Donop Road. The official permit identifies the owner as Amazon Data Services Inc.; the tenant is not assigned.
Environmental impacts: A community-maintained exact-site tracker reports approximately 1 million gallons per day lost through evaporative cooling, with no recoverable return flow reported.
Project cost (USD): 65,000,000
Permits and dockets: Texas Department of Licensing and Regulation TABS project TABS2026014987, BITTER BLUE — Building B, 12807 Donop Road, San Antonio, TX 78223; review complete.
Transactions: Amazon acquired the property from Bitter Blue in October 2020 under the name Rockfish; the acquisition consideration was not reported.

Identity and campus: Amazon AWS Bitter Blue Campus
Also reported as BITTER BLUE, Amazon AWS SAT - 12807 Donop B, Building B.
Regulatory record: Bitter Blue — Building B is a privately funded, privately owned new-construction project at 12807 Donop Road, San Antonio, Texas. TDLR project TABS2026014987 describes a two-story, 119,407-square-foot single-tenant computer data center, with construction scheduled to start December 3, 2026 and completion scheduled for February 9, 2029. TDLR lists the review as complete; Amazon Data Services Inc. is the owner and Gensler is the design firm.

Bitter Blue — Building B

Bitter Blue — Building B

Overview

Bitter Blue — Building B

Power and grid

Facility and development

Timeline

Organizations

Sources

Explore related directories

Explore related directories