Data Center Registry
CyrusOne DFW3-DFW5 (Allen)
Allen, Collin County, Texas · All 24 CyrusOne sites · Every CyrusOne case on our tracker
CyrusOne DFW3-DFW5 (Allen) is an operating data center in Allen, Texas (Collin County), operated by CyrusOne. The public record puts it at 50 MW planned, 90 acres.
Every line on this page traces to a public source listed at the bottom. Where a figure was looked for and not found, the row says so. A blank is never a zero.
Facility record
Operating
- Operator
- CyrusOne
- Facility type
- Data center, AI use likely
- Location
- Allen, Collin County, TX
- Coordinates
- 33.1385, -96.6600
- Power capacity
- 50 MW planned
- Land
- 90 acres
- Investment
- Not established from a public source
- Announced
- Not established from a public source
- Utility
- Oncor
- Power source
- Mixed
- Cooling
- Not established from a public source
- Water use
- Not established from a public source
- Jobs
- Not established from a public source
- Public subsidy
- Not established from a public source
- Community reception
- No reception on record
- Source confidence
- Reported by at least one credible outlet or filing
Opposition and litigation at this site
Nothing on record as of July 26, 2026. No lawsuit, organized opposition, or contested hearing over CyrusOne DFW3-DFW5 (Allen) in Allen, Collin County, Texas appears in the sources this registry tracks. That is an absence in our sources rather than a finding that none exists, and local opposition often predates any coverage a national dataset would pick up.
If you live near this site and something is happening that this page does not show, that is worth telling us. Send us the document and it goes in the record with the source attached. For sites where opposition is already established, see every contested site we track.
Power and water
CyrusOne signed a 40MW wind+solar PPA with Gexa Energy (announced April 2022) explicitly covering its North Texas data centers, naming Allen, Carrollton, and Lewisville as the sites the purchase powers.
Notes on the record
Confirmed 90-acre, 3-building, 50MW campus at Allen, TX (largest DC development in the state per operator page). AI/HPC (likely): Allen campus marketed for AI training, HPC, multi-cloud.
What the record does not establish, and the document that would
In every fight on our tracker the decisive fact came out of a public records request. These are the requests for this site.
- Cooling method and water use
- Tax abatements or other public subsidy
- Permanent jobs promised
- How the community has received it
Which document closes each gap
- Cooling method and water use
- The water service agreement, any groundwater appropriation permit, and the mechanical narrative in the site plan.
- Tax abatements or other public subsidy
- The abatement, PILOT, or development agreement approved by the county, city, or development authority, and the state's data center sales tax exemption certificate if one was issued.
- Permanent jobs promised
- The economic development application or incentive agreement, which usually states a job commitment and a clawback.
- How the community has received it
- Planning commission and governing body minutes, public comment records, and any petition or lawsuit filed in the county.
Have one of these documents? Send it to us and we will add it to the record with attribution.
Our reporting on this site
Other sites within 30 miles
Distances are between recorded coordinates, many of which are a city or county centroid, so treat them as approximate. Cumulative load on one utility and one aquifer is the question a planning commission rarely asks.
- TierPoint Dallas-Allen · Allen · TierPointunder 1 mile · Operating
- BlockchAIn Collin County AI GPU Hosting Site · BlockchAIn Digital Infrastructure, Inc.4 mi · Under construction
- Lambda Plano AI Data Center (Aligned DFW-04) · Plano · Lambda9 mi · Under construction · 100 MW
- Aligned DFW-01 · Plano · Aligned Data Centers9 mi · Operating · 60 MW
- Flexential Dallas - Plano · Plano · Flexential9 mi · Operating · 13 MW
- Stream Data Centers DFWA (DFW VII) · Garland · Stream Data Centers11 mi · Operating · 43 MW
- NTT Global Data Centers Dallas TX1 · Garland · NTT Global Data Centers11 mi · Operating
- Flexential Dallas - Richardson · Richardson · Flexential11 mi · Operating
Questions people ask about this site
Is there opposition to the CyrusOne DFW3-DFW5 (Allen) data center in Allen?
Nothing on record as of July 26, 2026. No lawsuit, organized opposition, or contested hearing over CyrusOne DFW3-DFW5 (Allen) in Allen, Collin County, Texas appears in the sources this registry tracks. That is an absence in our sources rather than a finding that none exists, and local opposition often predates any coverage a national dataset would pick up.
Has anyone filed a lawsuit over the CyrusOne DFW3-DFW5 (Allen) data center?
No lawsuit over CyrusOne DFW3-DFW5 (Allen) appears in the record we track as of July 26, 2026. Residents most often reach a lawyer over water supply, well drawdown, noise from cooling plant, property value, or a rezoning approved without the notice the ordinance required. If any of that is happening near this site, it is worth a review whether or not a case has been filed yet.
How much water does CyrusOne DFW3-DFW5 (Allen) use?
No water withdrawal figure for CyrusOne DFW3-DFW5 (Allen) is on record here. Water use is rarely published voluntarily; it usually surfaces through a utility service agreement or a state withdrawal permit, both of which are public records. We leave the number blank rather than estimate one.
Who operates CyrusOne DFW3-DFW5 (Allen), and how big is it?
CyrusOne is the operator on record. We hold 24 sites for that company across the registry. Capacity on record is 50 MW. The site is recorded at 90 acres.
How to cite this page
SueDataCenters.org Data Center Registry, "CyrusOne DFW3-DFW5 (Allen)," updated July 26, 2026, https://suedatacenters.org/data-centers/cyrusone-dfw3-dfw5-allen-tx.
Facility data from Compute Atlas (E. Kubiak), version 1.32.0 (September 7, 2026), licensed CC BY 4.0, record https://www.compute-atlas.com/facilities/cyrusone-dfw3-dfw5-allen-tx, retrieved September 14, 2026.
Corrections with a public source are welcome at the Compute Atlas record or through our contact page. The whole registry is available as CSV and JSON under CC BY 4.0.
Sources for this record
As compiled and cited by Compute Atlas, with our own reporting appended. Archived links are used where the original has moved.
- 1.CyrusOne facility directory · CyrusOne · retrieved July 22, 2026
- 2.OpenStreetMap way/590213771 · OpenStreetMap · retrieved July 22, 2026
- 3.CyrusOne AI/HPC, Allen campus marketed for AI training, HPC, multi-cloud · datacenterknowledge.com · retrieved July 23, 2026
- 4.Business Wire: CyrusOne Purchases Solar and Wind Energy in North Texas from Gexa Energy (Apr 2022), names Allen, Carrollton, Lewisville · retrieved July 24, 2026
- 5.DataCenterDynamics: CyrusOne signs 40MW wind and solar PPA with Gexa Energy in Texas · retrieved July 24, 2026
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