CyrusOne tops out first building at new Bosque County, Texas data center campus
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.
Counterparts (2)
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- 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
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."
"CyrusOne has topped out its latest data center in Texas."
"CyrusOne officially announced plans for the campus, adjacent to Calpine Corporation’s Thad Hill Energy Center, in July 2025."
"KKR-owned CyrusOne has more than 50 data centers across the US and European markets."
"Calpine is owned by Constellation."
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