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CyrusOne Bosque County campus (DFW10, DFW11, DFW17, DFW17B, DFW17C) at Thad Hill Energy Center

CyrusOne; Calpine (power, grid connection and land)

Status
Under construction; registered (TDLR)
Developer / parties
CyrusOne; Calpine (power, grid connection and land)
Location
Near Whitney, Bosque County
Size
400 MW power supply agreement: 190 MW (Jul 2025) + 210 MW (Nov 2025) (Calpine). CyrusOne: two construction phases, two buildings then three. TDLR (FM 56 and CR 3610A): DFW11 and DFW17 ~88,874 sq ft each, DFW17B 249,090 sq ft, DFW17C 93,319 sq ft
Investment
TDLR est. costs as filed: DFW11 $400M, DFW17 $375M, DFW17B $500M, DFW17C $430M, DFW17C tenant fit-out $160M
Last verified
2026-10-18

Milestones

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

  1. Nov 3 2025 Calpine announced Phase 2 of the agreement
  2. facility under construction and expected operational by Q4 2026 (Calpine)
  3. DCD names the facility DFW10, adjacent to the 250 MW Thad Hill gas plant (DCD)
  4. TDLR registrations by CyrusOne at FM56 and CR3610A: May 21 2025 DFW11 shell and upfit (completion Jan 1 2027)
  5. Jul 22 2025 DFW17 shell and core (completion Dec 31 2026)
  6. Nov 6 2025 DFW17B (completion Apr 28 2027)
  7. Dec 5 2025 DFW17C (completion Apr 30 2027)
  8. Dec 9 2025 DFW17C tenant fit-out (May–Jul 2027)
  9. all Project Registered (TDLR, found Oct 18 2026). CyrusOne says phase 1 (two buildings) completes by Q3 2027 and all phases are operational by Q4 2027, with power through its Calpine partnership at Thad Hill (CyrusOne)

Linked power & water

Power

  • Company claim Calpine Thad Hill Energy Center (400 MW agreement): 400 MW power supply agreement for the data center adjacent to the Thad Hill Energy Center (Calpine); Thad Hill is a 250 MW gas plant (DCD). calpine.com ↗

Water

  • Company claim On-site well (Middle Trinity GCD permit); closed-loop cooling: Operational water will come from an on-site well permitted through the Middle Trinity Groundwater Conservation District; closed-loop cooling; ~250,000 gal/yr per building; temporary Brazos River water for construction only (CyrusOne). cyrusone.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

2025-12-05
Building registration (TDLR) Official record Bosque County · CyrusOne Bosque County campus (DFW10, DFW11, DFW17, DFW17B, DFW17C) at Thad Hill Energy Center

TDLR TABS: 'CyrusOne DFW17C', 93,319 sq ft data center, est. $430M; Dec 9 tenant fit-out filed at est. $160M.

Source: tdlr.texas.gov ↗
2025-11-06
Building registration (TDLR) Official record Bosque County · CyrusOne Bosque County campus (DFW10, DFW11, DFW17, DFW17B, DFW17C) at Thad Hill Energy Center

TDLR TABS: 'CyrusOne DFW17B', single-story data center, 249,090 sq ft, est. $500M, FM56 and CR3610A, Whitney.

Source: tdlr.texas.gov ↗
2025-07-22
Building registration (TDLR) Official record Bosque County · CyrusOne Bosque County campus (DFW10, DFW11, DFW17, DFW17B, DFW17C) at Thad Hill Energy Center

TDLR TABS: 'CyrusOne DFW17' shell and core, ~88,874 sq ft, est. $375M, FM56 and CR3610A.

Source: tdlr.texas.gov ↗
2025-05-21
Building registration (TDLR) Official record Bosque County · CyrusOne Bosque County campus (DFW10, DFW11, DFW17, DFW17B, DFW17C) at Thad Hill Energy Center

TDLR TABS: 'CyrusOne DFW11', single-story data center, ~88,874 sq ft, est. $400M, FM56 and CR3610A, Whitney.

Source: tdlr.texas.gov ↗

Sources

Found an error? Email [email protected] with a source link.

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