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Data centers in Milam County, Texas: 3 projects mapped
Milam County, between Austin and Waco, has become a place where bitcoin mines are turning into AI data centers. Most of that is happening on the land of Alcoa's old aluminum works at Rockdale, a site of some 33,000 acres where smelting ended in 2008 and the plant closed completely in 2017; buyers point to the large power connections and substations already serving the site. Separately, OpenAI's Stargate campus, built by SoftBank's SB Energy, is going up near Burlington.
Riot Platforms is the biggest operator in Rockdale. It built a seven-building bitcoin mine there between 2020 and 2023, described as the largest crypto mining facility in North America, and in January 2026 bought the 200 acres it occupies for $96 million, paid for by selling about 1,080 bitcoin. It signed a ten-year lease with chip designer AMD for 25 megawatts of computing capacity, delivered in phases from January to May 2026, with room to grow to 200 megawatts, and says it intends to convert the site's full 700 megawatts to data center tenants.
Bitdeer, a bitcoin miner that also sells AI computing, already runs a data center at Rockdale and in September 2026 paid $100 million for 200 more acres of the former Alcoa land next to it. Bitdeer says it has access to 563 megawatts of interconnected grid capacity across the two sites, with potential to expand to 742 megawatts. A state filing registered April 15, 2026 for the Stargate campus's first phase, on County Road 133 in Burlington, describes a 548,950-square-foot data center; construction began in October 2025 and is due to finish in October 2026. Both companies' plans depend on the grid granting more power in the coming years; Data Center Dynamics reported that Texas is under a pause on new data center connection approvals while Governor Greg Abbott orders an audit of the queue.
Data center projects on record in Milam County
Grouped by the town each site sits in. The report above may name projects that have no record here yet.
Rockdale2
| Project | Company | Status | Power | |
|---|---|---|---|---|
| Riot Platforms Rockdale Data Center CampusRockdale | Riot Platforms | 700 MW | ||
| Bitdeer AIRockdale | Bitdeer | 563 MW |
Milam County1
| Project | Company | Status | Power | |
|---|---|---|---|---|
| OpenAI Stargate MilamMilam County | SB Energy | Under construction | 1,200 MW |
Where this comes from
The reporting above was written from these. Open one and check it yourself.
Every project above is drawn from public records, filings and local reporting. Each row links to what it is based on. Statuses change, so check the source date before you rely on one. Found something wrong? Write to [email protected] and it gets fixed.