CyrusOne data centers

21 tracked sites in 10 states, 1516 MW planned or under construction.

filed

approved

under construction

operating

Biggest CyrusOne sites

By the megawatts on the filing, any status.

CyrusOne Sangamon County Data Center CyrusOne, Sangamon County, IL

Approved Updated Aug 29, 2026

636MW

CyrusOne Yorkville Campus Phase 1 CyrusOne, Kendall County, IL

Filed Updated Aug 29, 2026

600MW

CyrusOne DFW10 Data Center CyrusOne, Bosque County, TX

Under construction Updated Aug 19, 2026

190MW

PointOne/CyrusOne Lee County Data Center CyrusOne, Lee County, NC

Approved Updated Oct 12, 2026

90MW

By state

Ohio (4)

CyrusOne Cincinnati-Hamilton CIN4 Butler County, OH

Operating

CyrusOne CIN2 Hamilton County, OH

Operating

CyrusOne New Albany Campus Licking County, OH

Under construction

CyrusOne Cincinnati-Mason CIN3 Warren County, OH

Operating

Texas (4)

CyrusOne San Antonio I Bexar County, TX

Operating

CyrusOne SAT10 & SAT11 Bexar County, TX

Operating

CyrusOne DFW10 Data Center Bosque County, TX

Under construction 190 MW

CyrusOne Allen Collin County, TX

Operating

Illinois (3)

CyrusOne Chicago Aurora CME DuPage County, IL

Operating

CyrusOne Yorkville Campus Phase 1 Kendall County, IL

Filed 600 MW

CyrusOne Sangamon County Data Center Sangamon County, IL

Approved 636 MW

Virginia (3)

CyrusOne data center Loudoun County, VA

Operating

CyrusOne NVA1, NVA2 & NVA3 Loudoun County, VA

Operating

CyrusOne Sterling IX Loudoun County, VA

Operating

Arizona (2)

CyrusOne Mesa Campus (Elliot and Ellsworth) Maricopa County, AZ

Approved

CyrusOne PHX1 Maricopa County, AZ

Operating

Connecticut (1)

CyrusOne Norwalk Western Connecticut Planning Region County, CT

Operating

Iowa (1)

CyrusOne OCB1 Council Bluffs Pottawattamie County, IA

Operating

North Carolina (1)

PointOne/CyrusOne Lee County Data Center Lee County, NC

Approved 90 MW

New Jersey (1)

CyrusOne Somerset Somerset County, NJ

Operating

Washington (1)

CyrusOne Quincy Grant County, WA

Operating