Data Center Registry

Mason County Data Center Campus

Maysville, Mason County, Kentucky

ProposedIn litigationRecord updated September 15, 2026

Mason County Data Center Campus is a proposed data center in Maysville, Kentucky (Mason County), operated by Undisclosed (Fortune 100 end user; rezoning sought through Mason County officials). The public record puts it at 1.2 GW planned, 2,000 acres, a reported $1 billion investment. It is or has been the subject of litigation over its siting, permitting, or operation.

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

Proposed

Operator: Undisclosed (Fortune 100 end user; rezoning sought through Mason County officials)
Facility type: Data center
Location: Maysville, Mason County, KY
Coordinates: 38.6856, -83.8517 (approximate)
Power capacity: 1.2 GW planned
Land: 2,000 acres
Investment: $1 billion
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: 400 permanent
Public subsidy: Not established from a public source
Community reception: In litigation
Source confidence: Reported by at least one credible outlet or filing

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.

May 22, 2026
Proposed
Mason County Fiscal Court gave final approval to rezone 28 properties outside Maysville from agricultural to rural industrial, clearing the way for a hyperscale data center campus. The undisclosed company retains final say on whether it develops the site. Source: WEKU

Opposition and litigation at this site

Yes. Mason County Data Center Campus in Maysville, Mason County, Kentucky is or has been the subject of litigation over its siting, permitting, or operation. The grassroots group 'We Are Mason County, KY' sued the county and its planning commission, arguing the approval process was rushed and that the county's comprehensive plan does not address where or how many data centers may be built.

How the community has taken it

Reception is a sourced signal, not an editorial judgment: in litigation means the facility is or has been the subject of a lawsuit related to its siting, permitting, or operation.

The grassroots group 'We Are Mason County, KY' sued the county and its planning commission, arguing the approval process was rushed and that the county's comprehensive plan does not address where or how many data centers may be built. Residents have raised concerns about diesel generator noise, water use, electricity rates, air quality and displacement from a mobile home park; a 'Save Mason County' petition gathered more than 500 confirmed resident signatures.

Source: WVXU

Notes on the record

Reported campus of six data center buildings plus three substations, office space and parking on land rezoned outside Maysville. The end user has not been publicly named; outlets describe it variously as a Fortune 100 and a Fortune 50 US technology company. Capacity figures conflict across sources: the Kentucky Lantern project tracker reports 1.2 GW (recorded here) while WVXU reports 2.2 GW, this is not settled. Construction-jobs figures also conflict (WCPO reports 1,000, LEX18 reports more than 1,500), so only the 400 permanent positions both report are recorded. LEX18 names Eastern Kentucky Power as the utility and WVXU references a Duke Energy Woodsdale substation expansion; because those two accounts are inconsistent, no energy record is asserted. Coordinates are a geocode of Big Pond Pike (reported as the site road, near KY-3056) and are approximate, the parcel boundaries are not published.

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
Which utility serves 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.
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.

AWS Sprigg Township Data Center Campus (Buck Canyon) · Manchester · Amazon Web Services (land held via Buck Canyon Properties)9 mi · Permitted · 1.3 GW · Contested
Mount Orab Mega-Site Data Center Campus · Mount Orab · DB Stu LLC24 mi · Proposed · Contested

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Questions people ask about this site

Is there opposition to the Mason County Data Center Campus in Maysville?

Has anyone filed a lawsuit over the Mason County Data Center Campus?

Yes. This site is recorded as being in litigation. The case, the court, and the filings we hold are listed on this page under the timeline and the sources.

How much water does Mason County Data Center Campus use?

No water withdrawal figure for Mason County Data Center Campus 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 Mason County Data Center Campus, and how big is it?

Undisclosed (Fortune 100 end user; rezoning sought through Mason County officials) is the operator on record. Capacity on record is 1.2 GW. The site is recorded at 2000 acres.

How to cite this page

SueDataCenters.org Data Center Registry, "Mason County Data Center Campus," updated September 15, 2026, https://suedatacenters.org/data-centers/mason-county-hyperscale-campus-maysville-ky.

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/mason-county-hyperscale-campus-maysville-ky, 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.Mason County gives final approval on rezoning properties for data center construction · WEKU · retrieved September 15, 2026
2.Data center near Maysville sparks debate about land use · WVXU · retrieved September 15, 2026
3.Mason County residents weigh billion-dollar data center proposal amid growing concerns · LEX18 · retrieved September 15, 2026
4.Potential for $1 billion data center sparks debate in rural Mason County · WCPO · retrieved September 15, 2026
5.Data centers are being proposed, and sometimes approved, all over state (Kentucky Lantern project tracker: Mason County, undisclosed Fortune 100 company, 1.2 GW, planned) · Kentucky New Era / Kentucky Lantern · retrieved September 15, 2026
6.EPIC Report No. 2026-001, Data Centers in Kentucky (§I.B lists Mason County among counties with projects under consideration) · Kentucky Energy Planning and Inventory Commission · retrieved September 15, 2026
7.OpenStreetMap/Nominatim geocode of Big Pond Pike, Mason County, KY · OpenStreetMap · retrieved September 15, 2026

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