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CyrusOne:65 data center sites in United States.

As of 20 October 2026, Real Assets tracks 65 data center sites listed under CyrusOne in the United States: 49 operating and 16 planned or under construction. Reported power capacity: 555 MW operating, 2.8 GW planned or under construction. It ranks number 3 by sites among 152 named operators, with 8% of the 864 sites tracked. Largest states: Texas (23), Virginia (10), Illinois (7).

Unlock all 65 CyrusOne sites
65sites tracked
49operating
16planned or under construction
#3by sites, of 152 named operators

Where CyrusOne is

Largest operators in United States

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Unlock all 65 CyrusOne data center sites in the United States

This page previews CyrusOne's top footprint. Sign in or start a trial to inspect all 65 individual CyrusOne facilities, site-by-site capacity, status, and source filings.

  • Every individual site on the interactive map with coordinates
  • Operating vs. pipeline capacity, operator and owner records
  • Sourced M&A, lease and financing transactions
  • Direct link to the filing, report or news page behind every figure
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How this data is built

Real Assets reads company pages, filings, news and listings, and records figures with a link to the page that published them.

Counts are sites Real Assets has recorded, not a full census, and grow as coverage grows. Sites are listed with the operator as published (the owner for industrial parks). Data updated 20 October 2026.

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Questions

How many data center sites does CyrusOne have in the United States?

65 tracked as of 20 October 2026: 49 operating and 16 planned or under construction. This is what we have recorded, not a full census.

Where are CyrusOne's data center sites?

Largest states by sites: Texas (23), Virginia (10), Illinois (7), Ohio (6), Arizona (4).

How much power capacity does CyrusOne have?

Reported power capacity: 555 MW operating, 2.8 GW planned or under construction.

How does CyrusOne compare with other data center operators?

It ranks number 3 of the 20 largest named operators by sites tracked. The largest is Digital Realty with 83.

Where does the data come from?

Figures link to the page that published them. Publishers behind this market's data include Epoch AI, Data Center Dynamics, Baxtel, SemiAnalysis, CyrusOne.

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This page is the summary. The workspace has the full list, the map, the deals and the sources behind each figure.

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