Cartis diligence evidence schedule
MARA Long Ridge AI Data Center Campus
PRJ-0744 · Site · Hannibal, Ohio, United States
Captured 2026-09-06T04:13:38.114Z · Record last updated 2026-08-27
SHA-256: b7d0867a58ec5997e0fa4582dd8aa05009b9dc75b84ddd0ddc5810b53b38b039
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Scope and capacity
MARA plans to develop an AI and critical-IT campus around the Long Ridge energy complex in Hannibal. The source identifies 200 MW of existing MARA capacity and a path toward 600 gross MW over time. MARA Holdings is publicly identified in the project record for Hannibal, Monroe County, OH, US. The disclosed development record includes 200 MW of current site capacity identified for accelerated AI development; 505 MW onsite generation; up to 600 gross MW expansion path. Power and infrastructure include integrated power, land, water and fiber campus anchored by an onsite combined-cycle generation facility. MARA identifies 200 MW of current capacity that could accelerate the initial AI and critical-IT buildout. MARA agreed to an approximately $1.5 billion acquisition and disclosed a $785 million bridge commitment; the transaction remained subject to approvals at June 30, 2026.
Headline: 200 MW Utility capacity
Numbers refer to their stated physical boundaries and are not added together. Source dates, claim dates and record updates have different meanings. Missing dates and locators are not inferred.
Claims and exhibit sources
Location Context · Long Ridge Energy campus | Hannibal | Monroe County | Ohio
actual · MARA Long Ridge AI Data Center Campus (project)
Claim 59498 · Review: Approved · Claim date: Not published
- MARA Long Ridge acquisition announcement
MARA Holdings · Document date: 2026-04-30 · Primary
https://www.sec.gov/Archives/edgar/data/1507605/000119312526193982/d54802dex991.htm
Lifecycle Status · Preconstruction
actual · MARA Long Ridge AI Data Center Campus (project)
Claim 59499 · Review: Approved · Claim date: Not published
- MARA Long Ridge acquisition announcement
MARA Holdings · Document date: 2026-04-30 · Primary
https://www.sec.gov/Archives/edgar/data/1507605/000119312526193982/d54802dex991.htm
Reported Capacity · 200 MW
design · MARA Long Ridge AI Data Center Campus (project)
Claim 59500 · Review: Approved · Claim date: Not published
Headline treatment: Selected headline
- MARA Long Ridge acquisition announcement
MARA Holdings · Document date: 2026-04-30 · Primary
https://www.sec.gov/Archives/edgar/data/1507605/000119312526193982/d54802dex991.htm
Capacity Basis · MARA identifies 200 MW of current capacity that could accelerate the initial AI and critical-IT buildout.
actual · MARA Long Ridge AI Data Center Campus (project)
Claim 59501 · Review: Approved · Claim date: Not published
- MARA Long Ridge acquisition announcement
MARA Holdings · Document date: 2026-04-30 · Primary
https://www.sec.gov/Archives/edgar/data/1507605/000119312526193982/d54802dex991.htm
Development Scale · 200 MW of current site capacity identified for accelerated AI development
actual · MARA Long Ridge AI Data Center Campus (project)
Claim 107716 · Review: Approved · Claim date: Not published
- MARA quarter ended June 2026 Form 10-Q
MARA Holdings · Document date: 2026-08-06 · Corroborating
https://www.sec.gov/Archives/edgar/data/1507605/000150760526000022/mara-20260630.htm - MARA Long Ridge acquisition announcement
MARA Holdings · Document date: 2026-04-30 · Primary
https://www.sec.gov/Archives/edgar/data/1507605/000119312526193982/d54802dex991.htm
Development Milestone · 505 MW onsite generation
actual · MARA Long Ridge AI Data Center Campus (project)
Claim 107717 · Review: Approved · Claim date: Not published
- MARA quarter ended June 2026 Form 10-Q
MARA Holdings · Document date: 2026-08-06 · Corroborating
https://www.sec.gov/Archives/edgar/data/1507605/000150760526000022/mara-20260630.htm - MARA Long Ridge acquisition announcement
MARA Holdings · Document date: 2026-04-30 · Primary
https://www.sec.gov/Archives/edgar/data/1507605/000119312526193982/d54802dex991.htm
Power Arrangement · Up to 600 gross MW expansion path.
actual · MARA Long Ridge AI Data Center Campus (project)
Claim 107718 · Review: Approved · Claim date: Not published
- MARA quarter ended June 2026 Form 10-Q
MARA Holdings · Document date: 2026-08-06 · Corroborating
https://www.sec.gov/Archives/edgar/data/1507605/000150760526000022/mara-20260630.htm - MARA Long Ridge acquisition announcement
MARA Holdings · Document date: 2026-04-30 · Primary
https://www.sec.gov/Archives/edgar/data/1507605/000119312526193982/d54802dex991.htm
Boundary Context · Long Ridge Energy campus | Hannibal | Monroe County | Ohio
actual · MARA Long Ridge AI Data Center Campus (project)
Claim 107719 · Review: Approved · Claim date: Not published
- MARA quarter ended June 2026 Form 10-Q
MARA Holdings · Document date: 2026-08-06 · Corroborating
https://www.sec.gov/Archives/edgar/data/1507605/000150760526000022/mara-20260630.htm - MARA Long Ridge acquisition announcement
MARA Holdings · Document date: 2026-04-30 · Primary
https://www.sec.gov/Archives/edgar/data/1507605/000119312526193982/d54802dex991.htm
Counterparties and capital
MARA Holdings · Developer · CMP-1481
$785,000,000 · 2026-04-29
Bridge commitment supporting the proposed Long Ridge acquisition.
MARA Holdings (Sponsor)
Financing record 210; claim-specific source links appear in the exhibit sources where published.
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