SB Energy, a SoftBank Group company, is building the second of two data center buildings on its Milam County campus near Burlington, Texas. An OpenAI affiliate leases the building and will run its own computing equipment in it.
Site History
- January 2026: An OpenAI affiliate signs a 15-year lease for the building.
- April 2026: SB Energy issues notice to proceed, and vertical construction begins.
Project Profile
- Developer and owner: SB Energy, through Milam County DC, LLC
- Tenant: Orion DC I, LLC, an OpenAI affiliate, guaranteed by OpenAI Global, LLC
- Lease: 15-year triple-net term with two 10-year extensions
- Building: about 650,000 sq ft
- Builders: DPR Construction and Sundt Construction joint venture
- Cooling: primarily closed-loop, air-cooled
Utility
Oncor provides transmission and distribution in ERCOT. SB Energy's Orion I, II and III solar plants feed the campus behind the meter through a private use network, and Oncor provides auxiliary service.