This record consolidates 15 research observations while retaining source distinctions, location precision and unresolved fields.
| Operator / developer | SB Energy (SoftBank Group subsidiary) |
|---|---|
| Jurisdiction | Near Burlington, TX |
| Address | NOT_FOUND |
| Location precision | locality centroid |
| Coordinates | Not published; no coordinate inferred |
| Capacity | 1200 MW |
| Aliases | Stargate Milam County Data Center (Freebird) · Freebird campus near Burlington · Freebird Data Center Phase 1 / DC01 · Milam County Data Center · Stargate Milam |
| Project profile | 0 rows |
|---|---|
| Intent / permits | 0 rows |
| Civic / infrastructure | 0 rows |
Rural gap find in Milam County. Phase 1 single-story 548,950 sq ft with four data halls; facility overall described as 1.2 GW with OpenAI as tenant and SB Energy as operator.
Key data: NOT_FOUND | ERCOT | NOT_FOUND | NOT_FOUND
Claim classification: Not yet assigned
Status date: 2026-09-05
Developer: SB Energy | Owner: Comptroller registrations list MDC Building 1, LLC; Orion DC I, LLC; Milam County DC, LLC; and MDC Building 2, LLC | Property entity: MDC Building 1, LLC / MDC Building 2, LLC | Permit applicant: SB Energy (TDLR filing) | County: Milam | Research region: East Texas / South Texas-RGV / Statewide Rural Gap Pass | Tenants/customers: OpenAI (1.2 GW data center lease for the initial buildout)
Claim classification: Not yet assigned
Status date: 2026-09-05
Key data: Grid area: ERCOT | Gross MW: 1200 | Requested load MW: 1200
Claim classification: Not yet assigned
Status date: 2026-09-05
Claim classification: Not yet assigned
Status date: 2026-09-05
Key data: Jurisdictions: Milam County | Texas Department of Licensing and Regulation | Texas Comptroller | ERCOT | Tax incentives: [object Object],[object Object] | {"agreement_name":"Texas Comptroller qualifying large data center registration - Milam County Data Center","agreement_number":"NOT_FOUND","approval_date":"2025-12-09 (effective date)","estimated_value":"NOT_FOUND","government_entity":"Texas Comptroller of Public Accounts","investment_commitment":"NOT_FOUND","jobs_commitment":"NOT_FOUND","source_url":"https://comptroller.texas.gov/taxes/data-centers/data-center-lists.php","term":"NOT_FOUND"} | {"agreement_name":"Texas Comptroller qualifying large data center registration - Milam County Data Center Phase 2 (MDC Building 2, LLC)","agreement_number":"NOT_FOUND","approval_date":"2026-06-10 (effective date)","estimated_value":"NOT_FOUND","government_entity":"Texas Comptroller of Public Accounts","investment_commitment":"NOT_FOUND","jobs_commitment":"NOT_FOUND","source_url":"https://comptroller.texas.gov/taxes/data-centers/data-center-lists.php","term":"NOT_FOUND"}
Claim classification: Not yet assigned
Status date: 2026-09-05
Key data: Surrounding infrastructure: Design firm Corgan Architects
Claim classification: Not yet assigned
Status date: 2026-09-05
Key data: Surrounding infrastructure: OpenAI and SoftBank each investing $500 million in SB Energy
Claim classification: Not yet assigned
Status date: 2026-09-05
Comptroller data center exemption effective for Milam County Data Center (MDC Building 1, LLC / Orion DC I, LLC / Milam County DC, LLC)
Claim classification: Not yet assigned
Status date: 2025-12-09
Phase one of Freebird officially topped out
Claim classification: Not yet assigned
Status date: 2026-03
Comptroller data center exemption effective for Phase 2 (MDC Building 2, LLC)
Claim classification: Not yet assigned
Status date: 2026-06-10
TDLR filing detail reported: 548,950 sq ft single-story building with four data halls, ~$470M, completion 15 October
Claim classification: Not yet assigned
Status date: 2026-07-14
A TDLR filing shows the first phase as a single-story 548,950 sq ft building with four data halls, estimated at $470 million, designed by Corgan Architects.
Key data: 548,950 sq ft; four data halls; $470M
Claim classification: reported_fact · Verification: single_source · Retrieved: 2026-09-05
Status date: 2026-07-14
Limitation: TDLR project number not stated in the article.
OpenAI is identified as the tenant and SB Energy, a SoftBank subsidiary, as the developer and operator of the 1.2 GW facility.
Key data: Tenant OpenAI; developer/operator SB Energy
Claim classification: reported_fact · Verification: single_source · Retrieved: 2026-09-05
Status date: 2026-07-14
Limitation: Lease terms not disclosed.
Phase one topped out in March 2026 and a completion date of 15 October is listed in the filing.
Key data: Topped out March 2026; completion 15 October
Claim classification: reported_fact · Verification: single_source · Retrieved: 2026-09-05
Status date: 2026-03
Limitation: The completion year is not stated in the source.
The Texas Comptroller's qualifying large data center list registers 'Milam County Data Center' effective December 9, 2025 with MDC Building 1, LLC, Orion DC I, LLC and Milam County DC, LLC, and a Phase 2 registration effective June 10, 2026 under MDC Building 2, LLC.
Key data: Comptroller registrations eff. 2025-12-09 and 2026-06-10
Claim classification: official_record · Verification: primary_source · Retrieved: 2026-09-05
Status date: 2026-06-10
Limitation: The state list does not link these entities to SB Energy or OpenAI.