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Ohio · Data center record

MARA Hannibal Data Center

Status
Operating phase
Place
Hannibal, Ohio
County
Monroe
Company
MARA
Type
Crypto/HPC (inventory classification)

Status context. MARA quarterly filing signed August 6, 2026 expressly identifies existing Hannibal data center operations as adjacent to the planned Long Ridge acquisition. Operating phase applies to that named existing component as reported for the filing period. The proposed power plant acquisition, prospective HPC buildout, future energization and companywide revenue are separate. The filing says the acquisition had not closed at June 30; it is not used to determine any later closing. No capacity, current role or all future campus operation is promoted.

Exact site not published; shown at county level. The dot is placed inside the county for the map and is not the site, its address or a parcel.

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Dated record.

  1. announced
  2. MARA signed its quarterly filing August 6, 2026, identifying existing Hannibal data center operations beside the contemplated Long Ridge assets. This is the dated company filing, not an exact existing facility opening or commissioning of future HPC capacity.

Sources.

  1. Reviewed sourceir.mara.com · checked October 14, 2026
  2. Reviewed government recordir.mara.com · published August 6, 2026 · checked October 23, 2026

Nearby records.

Data file updated October 24, 2026. Fields keep their own sources and dates; unknown details stay unknown. Method · Report a correction

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Last checked October 23, 2026, 2 linked sources. Review dates do not certify current operation or every field. Corrections and record history

Updated . What changed: Source review for MARA Hannibal Data Center. This is not a project milestone.

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Questions about this record

What stage does this record report?

Operating phase. This is the sourced Atlas label; it does not independently certify current operation. Compilation dated October 26, 2026. Record data and source links.

How precise is the mapped location?

Exact site not published; shown at county level. A map reference does not independently certify a parcel, roof or facility boundary. Compilation dated October 26, 2026. Record data and source links.

Where can I review the evidence?

2 distinct public source links are retained for this record. Source 1 Source 2 Compilation dated October 26, 2026. Record data and source links.