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Data center · Facility

Announced

Jefferson Proving Ground Data Center data center in Madison, Indiana

Updated Nov 3, 2026Sources: Compute Atlas; Kapwork Grow tracker

Announced 2026, in Jefferson County. No permit on record yet.

No permit on record yet. First seen Sep 23, 2026.

Where

Madison, Jefferson County, Indiana.

Exact site not public. Shown at township level.

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MadisonJefferson County
Work it brings
Electrical, mechanical, low-voltage, site, fiber
The trades a data center build hires, from the site work to the last mile of fiber.

  • Nearest other build

    Carrollton Industrial Campus

    15.9 miles away

  • Builds in Jefferson County

    2

    Published builds in the Kapwork Grow tracker, this one included. Published Nov 3, 2026.

  • Builds in Indiana

    36

    Proposed, approved, under construction or expanding, this one included. Kapwork Grow tracker, published Nov 3, 2026.

  • U.S. data center construction

    $84.95B a year

    August 2026, seasonally adjusted annual rate, preliminary. Up 73.2% from $49.05B in August 2025; 63.3% of private office construction. U.S. Census Bureau, C30, released Oct 1, 2026.

What this means for you

Same customers, bigger invoices.

The electrical, mechanical and fiber work on this campus bills the operator, its GC and the carriers you already know. Certify the invoices behind it, and funders compete to fund them.

An announced or permitted build is not a contract, an open bid or a purchase order.

Who your invoice goes to

  • OperatorNot named yet
  • General contractorNot named yet
  • CarriersNot named yet
  • UtilityNot named yet

Key facts

Stage
ApprovedCompute Atlas · Aug 5, 2026
Site area
549 acresKapwork Grow tracker · Nov 2, 2026
Announced
2026Compute Atlas · Aug 5, 2026
Location
Madison, Jefferson County, IndianaCompute Atlas · Aug 5, 2026
Location precision
Street address reportedKapwork Grow tracker · Nov 2, 2026
Community response
Local opposition reportedKapwork Grow tracker · Nov 2, 2026
AI workload
Likely AI or machine-learning workloadCompute Atlas · Aug 5, 2026
Facility type
AI data centerKapwork Grow tracker · Nov 2, 2026

What the public record lacks: the megawatts, the building area, the investment, the jobs, the general contractor's name, the completion date and the utility.

Who's involved

Operator
Not named in a source yet
General contractor
Not named in a public record yet
Carriers
Appear here as the records name them

How far along it is

  1. · Compute Atlas

    Announced

  2. · Kapwork's date

    First seen in the Kapwork Grow tracker

  3. Date not reported · Compute Atlas

    Reported as announced

Dates as reported. Not a bid calendar. A planned date is not evidence that work occurred. Dates marked Kapwork's date come from the tracker's own snapshots, not from the sources.

More builds

Same operator

In Indiana

All Indiana data center builds

The Kapwork Grow tracker lists 36 published builds in Indiana, as published Nov 3, 2026; these are the ones linked to this record.

Questions this page answers

Is Jefferson Proving Ground Data Center under construction?
No permit record shows it yet, so this page prints it as announced. Compute Atlas (Aug 5, 2026) reports it as approved.
Who is building Jefferson Proving Ground Data Center?
No source names the operator yet. No public record names the general contractor yet. It shows here the day one does.
Which carriers serve Jefferson Proving Ground Data Center?
No public record names them yet. They show here when a filing does.
How do contractors on Jefferson Proving Ground Data Center get paid sooner?
The owner pays the general contractor, and the general contractor pays its subcontractors. Once your customer approves your invoice, certify it with Kapwork. Funders compete to fund it, so you don't wait for the payment date. Free for businesses. Kapwork doesn't lend and doesn't contact your customer.

Have an invoice your customer approved?

Crews on a campus like this invoice the GC and the carriers in their own portals. Certify the unpaid invoices. Kapwork proves they're real so funders fund them sooner while the GC takes its time. Free for businesses.

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Sources, updates and data

Compute Atlas · Kapwork Grow tracker · U.S. Census C30

Where this comes from

What each source reports

  • Compute Atlas: Approved

Updates

  • Date not reported: Reported as announced. Compute Atlas
  • Between Aug 15, 2026 and Sep 23, 2026: First seen in the Kapwork Grow tracker. Kapwork's date
  • 2026: Announced. Compute Atlas

Limitations and interpretation

  • This record is the Kapwork Grow tracker's merged view of a facility, from the tracker snapshot built 2026-11-02. Facts tagged KW are the tracker's resolved values; the per-source rows it was merged from are listed under Sources and on the tracker record.
  • Sources on this record: Compute Atlas: Kubiak, E. (2026). Compute Atlas [Data set]. https://doi.org/10.5281/zenodo.22284476 (CC BY 4.0). Every source is licensed for commercial use with attribution.
  • An announced or permitted build is not a contract, an open bid or a purchase order.
  • Capacity figures are as reported by the cited sources and may describe planned rather than energised capacity.

“Not reported” means missing information, not zero. Completed and withdrawn records can remain available as historical records.

Nearest build: Haversine great-circle distance on the tracker latitude and longitude, in statute miles, rounded to 0.1. First-seen dates: first_seen: the earliest committed snapshot of data/dcfo.sqlite holding any of the facility's source keys (source:source_id), narrowed to the nightly run day by the alert sender's facility_new events when they are available. status_first_seen: the start of the unbroken run of snapshots, ending at this one, in which a facility sharing a source key had the current status, narrowed by the latest status_changed event to that status. Dates are Kapwork's, not the sources'.

What we don't know yet

  • The megawatts, the building area, the investment, the jobs, the general contractor's name, the completion date and the utility.
  • The carriers that serve the campus.
  • How the operator and its GC pay their contractors: portal, terms, days to pay.

Spot an error? Tell us

Cite: Kapwork Grow, “Jefferson Proving Ground Data Center”, https://kapwork.com/grow/directory/datacenters/jefferson-proving-ground-data-center-in-dc_7923b4303a5d, materially updated Nov 3, 2026.

Report an error on this page.

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