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Project Longhorn – Building One

Owner Roger Donald Wallace (TDLR; tenant field 'Not Assigned'); BlackChamber developing the data center portion, Pacifico Energy the power facility (Community Impact, news); design firm Gensler (Dallas)

Status
Registered (TDLR)
Developer / parties
Owner Roger Donald Wallace (TDLR; tenant field 'Not Assigned'); BlackChamber developing the data center portion, Pacifico Energy the power facility (Community Impact, news); design firm Gensler (Dallas)
Location
Cedar Creek (Earl Callahan Rd near Walter Hoffman Road), Bastrop County
Size
498,165 sq ft (TDLR)
Investment
Est. $366M (TDLR)
Last verified
2026-10-13

Milestones

Figures are attributed in parentheses to the outlet or company that reported them. Where sources disagree, we show both.

  1. Oct 7 2026 TDLR registration TABS2027002962 for Project Longhorn – Building One (Project Registered; New Construction; Type II-B Construction Data Center (S-1) PEMB with Business accessory use; start Nov 30 2026, completion Jan 31 2028; address Earl Callahan Rd near Walter Hoffman Road, Cedar Creek 78612, Bastrop County; owner Roger Donald Wallace, 9505 Johnny Morris Road, Austin; design Gensler Dallas) (TDLR). Oct 8 2026 Community Impact identifies the filing as the first of two data center buildings planned by Pacifico Energy and BlackChamber on the 2,842-acre Cedar Creek property
  2. the TDLR record itself names neither company (news; TDLR). Separate EdgeConneX Cedar Creek campuses (edgeconnex-cedarcreek)
  3. related to Pacifico Cedar Creek (bastrop-cedarcreek) per Community Impact

Linked power & water

Power

  • News report Pacifico Energy natural gas power facility on the same 2,842-acre property: Pacifico Energy and BlackChamber plan a two-building data center campus and a natural gas-fired power facility on the 2,842-acre Cedar Creek property; Pacifico is developing the power-generation facility (Community Impact). communityimpact.com ↗
  • News report 710 MW simple-cycle gas turbines (full buildout): At full buildout, 710 MW of site-rated redundant power from simple-cycle gas turbines would support 490 MW of IT load, on the 2,842-acre site (DCD). datacenterdynamics.com ↗

Power and water projects tied to this data center: on-site or dedicated generation, utility and grid capacity deals, substations, water supply, reclaimed water and wastewater permits. Each item is labeled by source type.

Related records

2026-10-09
News News report Bastrop County · Project Longhorn – Building One

DCD: Project Longhorn targets Nov 30 2026 construction start; full build 710 MW gas-turbine power for 490 MW IT; Anthropic reportedly in lease talks.

Source: datacenterdynamics.com ↗
2026-10-08
News News report Bastrop County · Project Longhorn – Building One

Community Impact: Project Longhorn filing is first of two Pacifico–BlackChamber data center buildings; BlackChamber develops the data center, Pacifico the power plant.

Source: communityimpact.com ↗
2026-10-07
Building registration (TDLR) Official record Bastrop County · Project Longhorn – Building One

TDLR TABS: Project Longhorn Building One, 498,165 sq ft, est. $366M, Earl Callahan Rd, Cedar Creek; owner Roger Donald Wallace.

Source: tdlr.texas.gov ↗

Sources

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