Stargate Milam County (Freebird Phase 1 / DC01)

SB Energy; OpenAI (tenant per TDLR filing)

Status: Under construction
Developer / parties: SB Energy; OpenAI (tenant per TDLR filing)
Location: Burlington, Milam County
Size: 1.2 GW planned; Phase 1 = 548,950 sq ft, 4 data halls
Investment: Phase 1 est. cost $470M (TDLR TABS)
Last verified: 2026-10-03

Milestones

Figures are attributed in parentheses to the outlet or company that reported them. Where sources disagree, we show both.

Oct 20 2025 Phase 1 start
Apr 15 2026 TDLR registration
Oct 15 2026 Phase 1 scheduled completion

Related records

2026-04-15

Building registration (TDLR) Official record Milam County · Stargate Milam County (Freebird Phase 1 / DC01)

TDLR TABS: 'Freebird Data Center Phase 1' (DC01), 548,950 sq ft, $470M; tenant listed as OpenAI.

Source: tdlr.texas.gov ↗

Sources

Official record tdlr.texas.gov
Company claim sbenergy.com
Company claim openai.com

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