Data Center Record.

Data centers in Jefferson County, Wisconsin

No data center in Jefferson County is on the record. The nearest one planned is Janesville AI Data Center, about 26 miles away, reported. The nearest running is Meta Beaver Dam Data Center, about 32 miles away.

Jefferson County has a scorecard row with no rating yet, and a pause on new data centers is on the record. The latest decision on the record: Jefferson County passed a data center moratorium this summer, applicable to towns subject to county zoning, reported September 3, 2026.

How to read this page. Every count comes from the records on this page and links to where it is counted. Nothing is published until a person reads its source, and a figure no source gives reads Not disclosed; nothing is estimated. A rating changes only when a person sets it.

The closest data centers to Jefferson County

The nearest data center planned, the nearest running, and any stalled or cancelled within 50 miles, in Wisconsin and the states that border it. Each distance is a straight line between the two points it names.

  1. Nearest one planned

    Reported

    Site not located

    Janesville AI Data Center

    Janesville, Rock County

    No dated entry on the record yet.

    About 26 miles from the center of Jefferson County to Janesville, the seat of Rock County.

  2. Nearest one running

    Running

    Site not located

    Meta Beaver Dam Data Center

    Beaver Dam, Dodge County · Meta

    Latest, reported September 17, 2026: Meta Beaver Dam data center is a $1 billion, 520 acre project expected to enter service in 2027

    About 32 miles from the center of Jefferson County to the center of Beaver Dam.

    journaltimes.com (opens in a new tab) news outlet

What Jefferson County has decided 1 body, 1 decision on the record

What the county and the cities in it have done about data centers: each body on its own row with its rating, open, case by case, restrictive or closed, never good or bad, and every vote, ordinance, moratorium or agreement one tap away, newest first, with its source.

BodyLevelRatingIn force untilLatest actActsVerified
Jefferson Countycountynot ratedJefferson County passed a data center moratorium this summer, applicable to towns subject to county zoning. hngnews.com (opens in a new tab) news outlet Reported Sep 31 act on this row
Every act on the Jefferson County row
  1. moratorium adopted

    Jefferson County passed a data center moratorium this summer, applicable to towns subject to county zoning

    hngnews.com (opens in a new tab) news outlet

Last verified September 3, 2026.

12026-09-03

Reported: the source's date; the item names no day of its own. A rating rests only on a binding act in force; "not rated" means no person has set one. A blank cell means the record holds nothing for it.

The rules across Wisconsin

Nearby places with records

26 miles away Janesville: 1 data center on the record. A pause is on the record.
28 miles away Rock County: 1 data center on the record. A pause is on the record.
29 miles away Dodge County: 1 data center on the record.
32 miles away Beaver Dam: 1 data center on the record.
41 miles away Milwaukee: 1 data center on the record.
47 miles away Milwaukee County: 1 data center on the record.

Distances run between the centers the Census Bureau gives each place. Every Wisconsin county.

Questions about Jefferson County

Is there a data center near Jefferson County?

No data center in Jefferson County is on the record. The nearest one planned is Janesville AI Data Center, about 26 miles from the center of Jefferson County to Janesville, the seat of Rock County, reported. The nearest running is Meta Beaver Dam Data Center, about 32 miles from the center of Jefferson County to the center of Beaver Dam.

answered from the rows above

Is Jefferson County allowing new data centers?

Jefferson County has a scorecard row with no rating yet, and a pause on new data centers is on the record. The pause on the record: Jefferson County passed a data center moratorium this summer, applicable to towns subject to county zoning, reported September 3, 2026.

answered from the rows above

About this data

Last verified
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Figures Only what a source states, with its basis. Nothing is estimated, and a figure no source gives reads not disclosed.
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Cite this page Data Center Record, "Data centers in Jefferson County, Wisconsin", https://datacenterrecord.org/states/wi/jefferson-county, updated September 3, 2026. CSV · JSON
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Data Center Record, "Data center records in Jefferson County, Wisconsin", https://datacenterrecord.org/states/wi/jefferson-county. Data: Data Center Record, datacenterrecord.org, CC BY-NC 4.0.

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For researchers
Level
county
Census GEOID
55055
Census geography
County, Jefferson County
Rating
Not rated

Researcher view · Jefferson County, Wisconsin · 0 records, 1 rule row · Census GEOID 55055 · basis and source tier on every row · verified September 3, 2026

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