Deals Counterparts

CyrusOne tops out first building at new Bosque County, Texas data center campus

Development Data Center announced Whitney, United States Mar 9, 2026
400 MW
Capacity
construction
Stage
Bosque County campus
Project

CyrusOne announced in July 2025 plans for a new data center campus in Bosque County, Texas, adjacent to Calpine Corporation's Thad Hill Energy Center. The campus is expected to total more than 400MW at full build-out, with the first building, DFW10, costing $750 million and a second, DFW11, costing $400 million. This development represents a significant expansion of CyrusOne's data center footprint in Texas, leveraging a partnership with Calpine for power supply.

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Deal Analysis

CyrusOne has already topped out the first $750 million building, DFW10, at its new Bosque County data center campus, moving quickly on a major Texas expansion. This campus, set to exceed 400MW at full build-out, strategically co-locates with Calpine's Thad Hill Energy Center for power supply. For a developer known for delivering unmatched reliability to global enterprises, this project deepens their footprint in a critical market. A second $400 million building, DFW11, is already in the pipeline.
  • DFW10, the first building, carries a $750 million price tag.
  • The Bosque County campus aims for over 400MW at full capacity.
  • A second building, DFW11, is planned for $400 million.
  • Power supply partnership with Calpine, adjacent to their Thad Hill Energy Center.

Source Intelligence

KEY DETAILS

The first building, DFW10, cost $750 million. A second building, DFW11, cost $400 million. DFW10 is 250,000 sq ft (23,225 sqm). DFW11 is 88,875 sq ft (8,255 sqm). Construction involved 650 people and 450,000 man-hours to date. Initial fit-out of DFW10 is expected by October 2026, and DFW11 by August 2027. CyrusOne first filed to develop DFW10 in 2024. Calpine's Thad Hill Energy Center is a natural gas power plant with 250MW capacity, commissioned in 2010, serving the ERCOT grid. Quotes: "The $750 million DFW10 is set to be a 250,000 sq ft (23,225 sqm), single-story data center." "A second building, the $400m DFW11, is set to be a single-story facility totaling 88,875 sq ft (8,255 sqm)." "CyrusOne said the construction had seen 650 people involved, taking 450,000 man-hours to date – all without incident." "Initial fit-out of the first two buildings is expected to be completed in October 2026 and August 2027, respectively, according to TDLR filings." "The company first filed to develop a building – known as DFW10 – at the site in 2024." "Thad Hill is a natural gas power plant with a capacity of 250MW. It was commissioned in 2010 and serves the Electricity Reliability Council of Texas (ERCOT) grid."

Capacity
CyrusOne has said the campus, being developed in partnership with Calpine, could total more than 400MW at full build-out.
Location
CyrusOne has topped out its latest data center in Texas. The company this week announced that it had topped out the first building at its new campus in Bosque County, Texas. ... The site is located in Whitney, between the Dallas-Fort Worth area and Waco.
Announcement
CyrusOne officially announced plans for the campus, adjacent to Calpine Corporation’s Thad Hill Energy Center, in July 2025.
COD
Initial fit-out of the first two buildings is expected to be completed in October 2026 and August 2027, respectively, according to TDLR filings.
PARTIES MENTIONED IN SOURCE
C
CyrusOne developer

"CyrusOne has topped out its latest data center in Texas."

C
Calpine Corporation partner

"CyrusOne officially announced plans for the campus, adjacent to Calpine Corporation’s Thad Hill Energy Center, in July 2025."

K
KKR investor

"KKR-owned CyrusOne has more than 50 data centers across the US and European markets."

C
Constellation investor

"Calpine is owned by Constellation."

high quality Enriched Mar 9, 2026

Timeline

Announced
Mar 9, 2026
Signed
Closed

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