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Data center buildApproved2 datasets report

Prologis Project Mila

PrologisTrenton, Butler County, OHUpdated

Prologis has approval for a 250 MW data center in Butler County, Ohio (approved). 2 sources report this facility in the Kapwork Grow tracker.

Capacity
250 MW
Investment
$233.2M
Building area
880,000 sq ft
Site
141 acres
Expected completion
2029
Cite

Who's on this build

Named in the cited sources. No source reports who builds it.

Schedule

Dates as reported. Not a bid calendar. A planned date is not evidence that work occurred.

  1. in 3 yr

    Expected completionPlanned

  2. Today

    Approved

    Last material change Sep 24, 2026.

  3. 6 mo ago

    Announced

  4. 6 mo ago

    Reported as announced

    Event date: · First observed: Not reported

Reported updates without an event date

Record quality

Datasets
2, figures differ
Location
Site footprint confirmed
Summary
From published records
Source as of
Last material change

Report an error in this record

Site and infrastructure

CA Compute AtlasSC Server CountryKW Kapwork Grow tracker record

Status

Operator
PrologisOperator · Compute AtlasCompute Atlas facility record (Kubiak, E., 2026, CC BY 4.0)As of Aug 16, 2026 · Record: prologis-mila-trenton-ohOperator · Server CountryServer Country project record (CC BY 4.0)As of Sep 24, 2026 · Record: 0784
Stage
ApprovedStage · Compute AtlasCompute Atlas facility record (Kubiak, E., 2026, CC BY 4.0)As of Aug 16, 2026 · Record: prologis-mila-trenton-oh
Facility type
AI data centerFacility type · Kapwork Grow tracker recordKapwork Grow tracker record, merged from the sources listed here (free account)As of Sep 23, 2026 · Record: 250123288412556

Scale

Reported capacity
250 MWReported capacity · Compute AtlasCompute Atlas facility record (Kubiak, E., 2026, CC BY 4.0)As of Aug 16, 2026 · Record: prologis-mila-trenton-ohReported capacity · Server CountryServer Country project record (CC BY 4.0)As of Sep 24, 2026 · Record: 0784
Reported investment
$233.2MReported investment · Kapwork Grow tracker recordKapwork Grow tracker record, merged from the sources listed here (free account)As of Sep 23, 2026 · Record: 250123288412556
Reported building area
880,000 sq ftReported building area · Kapwork Grow tracker recordKapwork Grow tracker record, merged from the sources listed here (free account)As of Sep 23, 2026 · Record: 250123288412556
Site area
141 acresSite area · Kapwork Grow tracker recordKapwork Grow tracker record, merged from the sources listed here (free account)As of Sep 23, 2026 · Record: 250123288412556
Reported jobs
120Reported jobs · Kapwork Grow tracker recordKapwork Grow tracker record, merged from the sources listed here (free account)As of Sep 23, 2026 · Record: 250123288412556

Reported dates

Announced
2026-03-30Announced · Server CountryServer Country project record (CC BY 4.0)As of Sep 24, 2026 · Record: 0784Reported date — see the source for the event evidenced.
Expected completion
2029Expected completion · Server CountryServer Country project record (CC BY 4.0)As of Sep 24, 2026 · Record: 0784

Site

City
TrentonCity · Compute AtlasCompute Atlas facility record (Kubiak, E., 2026, CC BY 4.0)As of Aug 16, 2026 · Record: prologis-mila-trenton-ohCity · Server CountryServer Country project record (CC BY 4.0)As of Sep 24, 2026 · Record: 0784
County
ButlerCounty · Compute AtlasCompute Atlas facility record (Kubiak, E., 2026, CC BY 4.0)As of Aug 16, 2026 · Record: prologis-mila-trenton-ohCounty · Server CountryServer Country project record (CC BY 4.0)As of Sep 24, 2026 · Record: 0784
State
OhioState · Compute AtlasCompute Atlas facility record (Kubiak, E., 2026, CC BY 4.0)As of Aug 16, 2026 · Record: prologis-mila-trenton-ohState · Server CountryServer Country project record (CC BY 4.0)As of Sep 24, 2026 · Record: 0784
Location precision
Site footprint confirmedLocation precision · Kapwork Grow tracker recordKapwork Grow tracker record, merged from the sources listed here (free account)As of Sep 23, 2026 · Record: 250123288412556
Community response
Local opposition reportedCommunity response · Kapwork Grow tracker recordKapwork Grow tracker record, merged from the sources listed here (free account)As of Sep 23, 2026 · Record: 250123288412556

Power and cooling

Utility
Duke Energy OhioUtility · Kapwork Grow tracker recordKapwork Grow tracker record, merged from the sources listed here (free account)As of Sep 23, 2026 · Record: 250123288412556
Power source
Grid powerPower source · Kapwork Grow tracker recordKapwork Grow tracker record, merged from the sources listed here (free account)As of Sep 23, 2026 · Record: 250123288412556
AI workload
Likely AI or machine-learning workloadAI workload · Compute AtlasCompute Atlas facility record (Kubiak, E., 2026, CC BY 4.0)As of Aug 16, 2026 · Record: prologis-mila-trenton-oh

Permits and public records

Incentives reported
Community Reinvestment Area (CRA) — 15-year, 75% property-tax abatement on data-center building value (Trenton, OH (Butler County))Incentives reported · Kapwork Grow tracker recordKapwork Grow tracker record, merged from the sources listed here (free account)As of Sep 23, 2026 · Record: 250123288412556

Sources, method and limits

Show 8 sourcesHide

What each source reports

What each source reports
DatasetReported nameReported statusReported MW
Compute AtlasPrologis Project MilaApproved250 MW
Server CountryPrologis Project Mila Trenton Data Center CampusUnder construction250 MW

Sources and evidence

  1. CA
    Compute Atlas facility record (Kubiak, E., 2026, CC BY 4.0)As of: Aug 16, 2026 · Record: prologis-mila-trenton-oh
  2. CA
  3. CA
  4. CA
  5. CA
  6. CA
  7. CA
  8. SC
    Server Country project record (CC BY 4.0)As of: Sep 24, 2026 · Record: 0784
  9. KW

Limitations and interpretation

  • This record is the Kapwork Grow tracker's merged view of a facility, from the tracker snapshot built 2026-09-23. 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) · Server Country, https://servercountry.org/data/ (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.

Cite or correct this record

Kapwork Grow, “Prologis Project Mila”, https://kapwork.com/grow/directory/datacenters/prologis-project-mila-oh-dc_e37c5dc1818c, materially updated Sep 24, 2026.

Report an error in this record and we will check it against the cited sources.

An announced or permitted build is not a contract, an open bid or a purchase order. Capacity and dates are as reported by the cited sources. “Not reported” means missing information, not zero. Completed and withdrawn records can remain available as historical records.

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