DEPLOY

Data center campus

Stargate Milam County (Texas)

Stargate Milam County is an AI data center campus developed by Stargate Infrastructure in Texas, Rockdale. 1.20 GW of capacity has been announced; none is energized yet. The gap is what this page tracks: what is claimed versus what is actually built, each figure dated and sourced.

Under construction · Stargate Infrastructure · Private land · ERCOT · Rockdale, Texas, United States

Track Stargate Milam County (Texas)

Capacity: announced vs energized

Contracted
not recorded
Under construction
not recorded

Announced-to-energized gap: 1.20 GW. Every figure below is a single dated, sourced claim. Current best per series resolves by evidence tier, then date. See the methodology.

29th-largest announced of 97 tracked campuses42nd by energized capacity73th percentile announced-to-energized gap≈ 972,000 homes of power at full announced capacity (basis)
Stargate Milam County (Texas) capacity claims
Source
Announced1.20 GW2026-04-17claimedjournalist report
Announced1.50 GW2025-09-24claimedpress release
Energized0 GW2026-07-01reportedjournalist report

Key facts

under construction

Lifecycle

1.20 GW

Announced

0 GW

Energized

Stargate Infrastructure

Developer

United States

Location

ERCOT

Grid

private land

Land

1.20 GW

Announced-to-energized gap

Reported facts

Structured facts sourced from citations already on this record. Each fact traces to a source in the References section below.

Location
~70 miles NE of Austin, near Rockdale (Milam County, TX)
Developer
SB Energy (SoftBank subsidiary)
Design
"Fast-build" campus, water-minimizing
Planned capacity
1.2 GW (Epoch AI planned-capacity estimate)
Lifecycle
Under construction; March 2026 satellite showed steel framing on first building. TDLR filings target Oct 15 2026 structural completion
Announced investment
$3B campus + $1B OpenAI/SoftBank into SB Energy
On-site power
New solar generation + battery storage announced
Grid operator
ERCOT
Note on the 1.5 GW figure
OpenAI's 1.5 GW is the COMBINED SoftBank sites (Milam + Lordstown), not Milam alone

On the data center map

Every tracked data center is on this map, centered on Stargate Milam County. Pan or zoom out to see how close rivals are building.

Approximate pin. We hold a city-level coordinate for this campus, not a verified site coordinate, so the marker shows the city rather than the parcel. The satellite strip and building outlines stay off until the site coordinate is sourced.

Free to use on your site, with a link back to DEPLOY.
The story of Stargate Milam County (Texas)
Announced capex
$1B
Grid
ERCOT · Inside ERCOT, structure not disclosed: the campus sits in the ERCOT footprint, and the coverage states plainly that the exact power mix is not public and that developers there may use grid supply, private wire gas, renewables with storage, or a combination. Recorded as unresolved rather than guessed.
Tenant
OpenAI
Derived
Cost per MW
$833K/MW

Every figure is one row in the ledger below with its source. Derived rows are pure arithmetic on the rows above (not new claims). Absent lines mean the fact isn't on record yet.

In clusterTexas(607)

The deal

developer
SB Energy · SoftBank power subsidiary building and operating the fast-build campus.
grid operator
ERCOT · Texas grid; site relies partly on on-site generation.
tenant
OpenAI · Anchor tenant / Stargate program lead.
financier
SoftBank Group · Parent of SB Energy; SoftBank/OpenAI-led portion of Stargate.
chip supplier
NVIDIA · GPU supplier across the Stargate program.
developer
Stargate Infrastructure

Power

Power source
solar storage
Grid operator
ERCOT
Interconnection
Inside ERCOT, structure not disclosed: the campus sits in the ERCOT footprint, and the coverage states plainly that the exact power mix is not public and that developers there may use grid supply, private wire gas, renewables with storage, or a combination. Recorded as unresolved rather than guessed.
Water
Designed as a water-minimizing 'fast-build' campus.

New solar generation + battery storage, solar, Announced. SB Energy to build new solar generation and battery storage to power the site.

The Texas (ERCOT) grid demand right now: 66.9 GW (EIA-930, 2026-09-27 17:00). Stargate Milam County's announced 1.20 GW would be 1.8% of the grid's current load.

County water status: Severe drought (D2) in Milam County, week of 2026-09-22 (US Drought Monitor). Data centers are large water users for cooling; this is the neutral local water picture.

Why here

Stargate Milam County sits on private land in Texas, Rockdale. It connects to the ERCOT grid, draws on solar storage power, interconnection is Inside ERCOT, structure not disclosed: the campus sits in the ERCOT footprint, and the coverage states plainly that the exact power mix is not public and that developers there may use grid supply, private wire gas, renewables with storage, or a combination. Recorded as unresolved rather than guessed.. This siting summary is composed from the record's held fields, not speculation; see methodology.

Financial structure

OpenAI + SoftBank investment into SB Energy
$1B. $500 million each from OpenAI and SoftBank Group invested into SB Energy to support Stargate buildout. company filing
Planned campus investment
$3B. SB Energy previously planned the Milam County site as a ~$3 billion campus spanning 595 acres. journalist report

Regulatory paper trail

The filings and rules on record for this site and its jurisdiction, most recent first. Each is a sourced, dated artifact you can follow to the primary document.

NHTSA Recall: Zoox Robotaxi Software Update for Heavy Smoke Visibility (26E044)operational restriction · 2026-07-15 · United States

Investment, workforce and specs

Construction jobs
Thousands of construction jobs source

Timeline

  2. Aug 2026
    financial recorded
    capex: OpenAI + SoftBank investment into SB Energy
  3. Sep 2026
    Current: Under construction

Sources

ee721b56-04e9-45a0-a9e7-d35b1371566d · Tracked with DEPLOY's verified-vs-claimed methodology. Every term is defined in the glossary. Announced numbers are claims, not built capacity.

Head-to-head

Stargate Milam County vs Vantage Data Centers — Frontier →Stargate Milam County vs Stargate Abilene →Stargate Milam County vs Stargate Norway →Stargate Milam County vs Stargate UAE →Stargate Milam County vs Stargate Doña Ana County / Project Jupiter →

Common questions

What is Stargate Milam County (Texas)?
Stargate Milam County (Texas) is an AI data center campus tracked on the DEPLOY registry, located in Rockdale. DEPLOY records its capacity as a dated, sourced ledger: announced gigawatts versus actually energized gigawatts, never a press-release total.
How much power will Stargate Milam County (Texas) use?
Stargate Milam County (Texas) has 1.20 GW of announced capacity on the DEPLOY registry, of which 0 GW is recorded as energized, an announced-to-energized gap of 1.20 GW. Each figure is individually dated and sourced.
Who is building Stargate Milam County (Texas)?
Stargate Infrastructure is recorded as a party to Stargate Milam County (Texas) on the DEPLOY registry. The full party list, with each role, is on the record.
Is Stargate Milam County (Texas) operating yet?
As of the most recent verification on the DEPLOY registry, Stargate Milam County (Texas) is under construction. DEPLOY tracks the lifecycle from announced through energized, so the current state reflects sourced evidence, not the original announcement.
How verified is the data on Stargate Milam County (Texas)?
A human editor has reviewed this record for the indexed registry. Every capacity figure is an append-only, dated claim resolved to the highest-evidence tier; superseded claims are kept but excluded from the current view.

Deploy Watch

Track Stargate Milam County (Texas) on Deploy.

We notify you when energized capacity, lifecycle state, or a new dated capacity claim changes against primary-source evidence, not when the developer issues a press release.

Cite this page

DEPLOY. (2026). Stargate Milam County (Texas): AI data center campus record. Retrieved September 27, 2026, from https://registry.deploy.report/datacenters/stargate-milam-county-texas

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The verified data on this page is available under a Creative Commons Attribution 4.0 license: reuse the facts freely, with attribution to DEPLOY (deploy.report). The prose, design, and any imagery are not included and keep their own rights.

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