Data Center Registry

Oak Ridge Leadership Computing Facility (Frontier supercomputer)

Oak Ridge, Roane County, Tennessee

OperatingNo reception on recordAI mixed useRecord updated September 21, 2026

Oak Ridge Leadership Computing Facility (Frontier supercomputer) is an operating data center in Oak Ridge, Tennessee (Roane County), operated by Oak Ridge National Laboratory (UT-Battelle for the U.S. Department of Energy).

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: Oak Ridge National Laboratory (UT-Battelle for the U.S. Department of Energy)
Facility type: Data center, AI use mixed
Location: Oak Ridge, Roane County, TN
Coordinates: 35.9295, -84.3106 (approximate)
Power capacity: Not established from a public source
Land: Not established from a public source
Investment: Not established from a public source
Announced: Not established from a public source
Utility: Not established from a public source
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: Confirmed by multiple independent sources or official documentation

Timeline from the record

Newest first. Record entries come from the filings and reports the registry cites. Coverage entries are headlines from publisher feeds we monitor daily, linked to the outlet; last checked September 14, 2026.

2022
Operating
Frontier, an HPE Cray EX exascale system with AMD EPYC CPUs and AMD Instinct MI250X GPUs (74 cabinets, 1.6 EF peak), was delivered in 2021 and opened for early operations in 2022; ranked No. 1 on the TOP500 in 2022 Source: Oak Ridge Leadership Computing Facility / ORNL

Opposition and litigation at this site

Nothing on record as of September 21, 2026. No lawsuit, organized opposition, or contested hearing over Oak Ridge Leadership Computing Facility (Frontier supercomputer) in Oak Ridge, Roane County, Tennessee 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.

Notes on the record

DOE Office of Science user facility housing Frontier (exascale HPC used for simulation and AI training/analysis) and, from 2028, the Discovery supercomputer for the DOE Genesis Mission. Facility power draw and floor area are not stated on the fetched pages, so no capacity is asserted. Distinct from the tracked DOE Oak Ridge Reservation AI data center lease sites.

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.

Power capacity in megawatts
Cooling method and water use
Tax abatements or other public subsidy
Permanent jobs promised
Land area
How the community has received it
Which utility serves it

Which document closes each gap

Power capacity in megawatts: The utility's large load service agreement, the interconnection request in the grid operator's queue, or the electrical site plan in the permit file.
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.
Land area: The rezoning application, the plat, or the deed recorded with the county.
How the community has received it: Planning commission and governing body minutes, public comment records, and any petition or lawsuit filed in the county.
Which utility serves it: The electric service agreement or the utility's filing with the state public utility commission.

Have one of these documents? Send it to us and we will add it to the record with attribution.

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.

Oak Ridge Reservation AI Data Center Sites (DOE land lease) · Oak Ridge · U.S. Department of Energy5 mi · Proposed
LCUB Data Center (Lenoir City Utilities Board) · Lenoir City · Lenoir City Utilities Board7 mi · Operating
CleanSpark Lenoir City Bitcoin Mining Facility · Lenoir City · CleanSpark, Inc.10 mi · Operating · 40 MW
DarkHorse Technologies (Cathedra Bitcoin) Rockwood Data Center · Rockwood · DarkHorse Technologies Inc. (formerly Sphere 3D Corp.; site from Cathedra Bitcoin)21 mi · Operating · 10 MW
The Fort (TenHats Knoxville Data Center) · Knoxville · TenHats (formerly SH Data Technologies)22 mi · Operating
Bitdeer Knoxville AI Datacenter (5101 S. National Drive) · Knoxville · Bitdeer27 mi · Under construction · 86 MW

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Questions people ask about this site

Is there opposition to the Oak Ridge Leadership Computing Facility (Frontier supercomputer) in Oak Ridge?

Has anyone filed a lawsuit over the Oak Ridge Leadership Computing Facility (Frontier supercomputer)?

No lawsuit over Oak Ridge Leadership Computing Facility (Frontier supercomputer) appears in the record we track as of September 21, 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 Oak Ridge Leadership Computing Facility (Frontier supercomputer) use?

No water withdrawal figure for Oak Ridge Leadership Computing Facility (Frontier supercomputer) 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 Oak Ridge Leadership Computing Facility (Frontier supercomputer), and how big is it?

Oak Ridge National Laboratory (UT-Battelle for the U.S. Department of Energy) is the operator on record. No capacity figure is on record for this site.

How to cite this page

SueDataCenters.org Data Center Registry, "Oak Ridge Leadership Computing Facility (Frontier supercomputer)," updated September 21, 2026, https://suedatacenters.org/data-centers/ornl-oak-ridge-leadership-computing-facility-tn.

Facility data from Compute Atlas (E. Kubiak), version 1.34.0 (September 21, 2026), licensed CC BY 4.0, record https://www.compute-atlas.com/facilities/ornl-oak-ridge-leadership-computing-facility-tn, retrieved October 1, 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.Frontier, Oak Ridge Leadership Computing Facility (delivered 2021, early operations 2022; HPE Cray EX, AMD EPYC/Instinct; 1.6 EF peak) · Oak Ridge Leadership Computing Facility / ORNL · retrieved September 21, 2026
2.OpenStreetMap node 10648552506: 'Frontier (supercomputer)', operator Oak Ridge National Laboratory, telecom=data_center · OpenStreetMap · retrieved September 21, 2026
3.Call for Proposals Open to Develop Discovery Supercomputer's First Science Applications (OLCF, Jan 12, 2026), Discovery arriving in 2028 at ORNL · Oak Ridge Leadership Computing Facility / ORNL · retrieved September 21, 2026

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