Data Center Atlas
Stargate Milam County (SB Energy campus)
Under construction
United States · 1 project · Last reported
Summary
A fast-build Stargate AI campus in Milam County, Texas, about 70 miles northeast of Austin, developed by SoftBank in partnership with OpenAI, with SoftBank's SB Energy providing the powered infrastructure. It was announced in September 2025 as one of two SoftBank sites that together could scale to 1.5 GW within about 18 months, and SoftBank said then that it was breaking ground. Analyst Epoch AI projects about 1.2 GW for this site, saw steel framing and roofing on the first building in March 2026 imagery, and cites state filings pointing to delivery of that building by October 2026. SB Energy plans to fund and build new generation and storage for most of the campus power.
Source record as of 2026-04-17 · Details and sources
SB Energy's Milam Data Center site, in its Internet Archive copy of 1 October 2026, says the Milam Data Center is a 1 GW+ AI data center that SB Energy is developing and will own and operate, that 'Phase 1 of the project is in construction', that the project 'is currently employing over 1,000 craft workers' and that OpenAI is the customer. This refreshes the record's under-construction observation of 17 April 2026 with SB Energy's own statement as published on 1 October 2026 (the archive capture day). Only Phase 1 is stated to be in construction; first operations in 2027 are a forecast, and no completion, commissioning, capacity in service or building count is inferred. evidence
SB Energy (Energy Global, LP), Milam Data Center site (Internet Archive copy) · publication date not stated
Location
The interactive map needs JavaScript. Display anchor: 30.76270, -96.99820 (Point locator, WGS 84).
View location: OpenStreetMap · Google Maps · Bing aerial · Copernicus Browser
County or district reference only; the facility position is not established.
Projects (1)
Stargate Milam County (SB Energy campus)
Under construction last observed as of · Authoritative status update
This record reports under construction as of 2026-04-17. Data Center Knowledge (Bloomberg); Epoch AI
Location: Milam County, Texas, US. Milam County centroid from OpenStreetMap Nominatim. Sources name only the county, which Epoch AI places about 70 miles northeast of Austin; no site address was found. SoftBank Group Corp.; Epoch AI
Use: Ai unspecified
Capacity, investment and other figures
| Measure | Value | Scope | As of | Notes | Sources |
|---|---|---|---|---|---|
| Power capacity | about 1,200 MW | Planned · Campus · Facility | 2026-04-17 | Analyst estimate, not a company disclosure: Epoch AI's projection of total facility power. SoftBank only gave 1.5 GW as the combined scale for this site and Lordstown, Ohio. | Epoch AI |
Companies and organizations
| Name | Role | Notes | Sources |
|---|---|---|---|
| SoftBank Group | Developer | Develops the site in partnership with OpenAI. Analyst Epoch AI, not a company disclosure, lists SoftBank as owner of the AI hardware. | SoftBank Group Corp.; Data Center Knowledge (Bloomberg) |
| OpenAI | Developer | Named with SoftBank as partner for the two SoftBank Stargate sites. | SoftBank Group Corp. |
| SB Energy | Developer | Analyst Epoch AI, not a company disclosure, says the SoftBank subsidiary is building and operating the site. | Epoch AI |
| SB Energy | Power supplier | Provides the powered infrastructure; Epoch AI (analyst) reports it plans new generation and storage for most of the campus load. | SoftBank Group Corp.; Data Center Knowledge (Bloomberg); Epoch AI |
Timeline
| Date | Event | Actual or planned | Notes | Sources |
|---|---|---|---|---|
| 2025-09-23 | Announced | Actual | Announced with Lordstown, Ohio as the two SoftBank Stargate sites, together able to scale to 1.5 GW over about 18 months. | SoftBank Group Corp.; Data Center Knowledge (Bloomberg) |
| 2025-09 | Construction started | Actual | SoftBank said at the announcement that it was breaking ground; analyst Epoch AI separately dates the start to Q3 2025. | Data Center Knowledge (Bloomberg); Epoch AI |
| 2026-10 | Other | Planned | Analyst Epoch AI, not a company disclosure, cites regulatory filings indicating the first building would be delivered to the tenant by October 2026; delivery is not full operation. | Epoch AI |
| 2028-Q4 | Fully operational | Planned | Analyst estimate by Epoch AI, not a company date. | Epoch AI |
Power supply
| Type | Description | Sources |
|---|---|---|
| Other | SB Energy provides the powered infrastructure; analyst Epoch AI reports it plans to fund and build new generation and storage to supply most of the campus's power, with the generation type not disclosed. | SoftBank Group Corp.; Epoch AI |
No 2026 company or local news source on this site was opened in this review; the newest status evidence is analyst Epoch AI's April 2026 imagery review, which is an analyst assessment rather than a company disclosure.
Sources for these details
- OpenAI, Oracle, and SoftBank expand Stargate with five new AI data center sites — SoftBank Group Corp.; 2025-09-24
- OpenAI Expands Stargate With Five New Data Center Sites Across US — Data Center Knowledge (Bloomberg); 2025-09-24 · Archived source
- OpenAI Stargate: where the US sites stand — Epoch AI; 2026-04-17 · Archived source
- Companies
- Developer: SoftBank Group (unknown scope) evidence
- Developer: SoftBank Group (unknown scope) evidence
- Developer: OpenAI (unknown scope) evidence
- Developer: SB Energy (unknown scope) evidence
- Power Supplier: SB Energy (unknown scope) evidence
- Power Supplier: SB Energy (unknown scope) evidence
- Power Supplier: SB Energy (unknown scope) evidence
Source and location review
- Status source
- Internet Archive copy (1 October 2026) of Milam Data Center: Our Commitment evidence row
SB Energy (Energy Global, LP), Milam Data Center site (Internet Archive copy) · publication date not stated · Company disclosure - Locator
- County or district reference only · Compiled location reference · admin2 evidence
- Source checks
Not reviewed against imagery not_
reviewed
No imagery review is recorded for this project. Its status rests only on the dated authoritative source. · no independent imagery verificationStatus age at review: 26 days before the data update on 2026-10-27
Location details
- Coordinates
- 30.76270, -96.99820
- Geometry licence
- source-terms-not-recorded
- Use scope
- County or district reference only
- Scope class
- admin2
- Authority
- Compiled location reference
- Source entity
- Project
- Method
- imported_reference_point
- Derivation
- imported_reference_point
- Precision scope
- Milam County centroid from OpenStreetMap Nominatim. Sources name only the county, which Epoch AI places about 70 miles northeast of Austin; no site address was found.
- Horizontal uncertainty
Not reported
The source record provides no measured horizontal uncertainty; original coordinate precision and note are preserved.
- Geometry evidence
- 882a168d
A locator places the site on the map. It is not a building footprint, a construction extent or a surveyed boundary unless the use scope is an official boundary, and even then it is a parcel or permit boundary.
Evidence
Sources are linked, not redistributed; each keeps its own terms. An archived copy is a lookup for the Wayback Machine capture nearest the retrieval date and may be unavailable or differ from what was reviewed. Each hash states what it covers; imported factual records are not publisher-page captures.
| Title | Publisher | Roles | Published | Retrieved | Licence | Attribution | Content hash (SHA-256) |
|---|---|---|---|---|---|---|---|
| Internet Archive copy (1 October 2026) of Milam Data Center: Our Commitment Archived copy | SB Energy (Energy Global, LP), Milam Data Center site (Internet Archive copy) Company disclosure | Physical status | not stated | all-rights-reserved | SB Energy / Energy Global, LP, milamdc.com; copy held by the Internet Archive | 6a32aee8ab376c06efb25b9d5d5066b9bb6f355bf4e6295fc923c9cc013007b5Retained source material; see source provenance | |
| OpenAI Expands Stargate With Five New Data Center Sites Across US Archived copy | Data Center Knowledge (Bloomberg) Trade publication | Imported: Record, Imported: Status, Milestone: Announced, Milestone: Construction Started, Role: Developer, Role: Power Supplier | source-terms-not-recorded | Data Center Knowledge (Bloomberg) | ab2e530cb1a954b8a20b2611ad1ccc0e7fc1dd935098751bc2b7952e8fd9db00Factual source record; not the publisher page | ||
| OpenAI Stargate: where the US sites stand Archived copy | Epoch AI Analyst report | Imported: Geometry, Imported: Record, Imported: Status, Metric: Power Capacity, Milestone: Construction Started, Milestone: Fully Operational, Milestone: Other, Power Source: Other, Role: Developer, Role: Power Supplier | source-terms-not-recorded | Epoch AI | 01a95f1bf56aa1c6f8fff408ee272e071e1b97e82a588a0e6a704a068d6299efFactual source record; not the publisher page | ||
| OpenAI, Oracle, and SoftBank expand Stargate with five new AI data center sites Archived copy | SoftBank Group Corp. Company disclosure | Imported: Geometry, Imported: Record, Milestone: Announced, Power Source: Other, Role: Developer, Role: Power Supplier | source-terms-not-recorded | SoftBank Group Corp. | e89e41d51eecfd494c684f2de44dcdd2126139fbc9cf984dbd553a8850b43d2aFactual source record; not the publisher page |
Cite this site
Kyars, K. (2026). Stargate Milam County (SB Energy campus) [site vcc-site-00432e4e9c8e2d91ff76]. In Data Center Atlas (2026-10-27) [Data set]. https://kiankyars.github.io/datacenter-atlas/sites/vcc-site-00432e4e9c8e2d91ff76/
Show on the map explorer JSON for this site GeoJSON for this site Download dataset Report a correction