{ "schema_version": 1, "source_compilation_context": { "ne": { "attribution": { "inventory": { "name": "Compute Atlas", "creator": "Edward Kubiak", "url": "https://www.compute-atlas.com/api", "license": "CC BY 4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "snapshot_url": "https://www.compute-atlas.com/api/facilities", "retrieved": "2026-10-14", "sha256": "79ad432dab7c128e428234c9d0dd40933114b415a4a5d697db00095637d50f37", "changes": "Added provenance, publication-date distinctions, display-safe wording, quarantine flags and state partitioning. Original source records retained locally." }, "counties": "U.S. Census Bureau county boundaries (public domain)", "research": "Field-specific source context. See the linked source and limits on each record." }, "source_data_url": "https://datacentersatlas.com/data/ne.json", "updated": "2026-10-24" }, "oh": { "attribution": { "inventory": { "name": "Compute Atlas", "creator": "Edward Kubiak", "url": "https://www.compute-atlas.com/api", "license": "CC BY 4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "snapshot_url": "https://www.compute-atlas.com/api/facilities", "retrieved": "2026-10-14", "sha256": "79ad432dab7c128e428234c9d0dd40933114b415a4a5d697db00095637d50f37", "changes": "Added provenance, publication-date distinctions, display-safe wording, quarantine flags and state partitioning. Original source records retained locally." }, "counties": "U.S. Census Bureau county boundaries (public domain)", "research": "Field-specific source context. See the linked source and limits on each record." }, "source_data_url": "https://datacentersatlas.com/data/oh.json", "updated": "2026-10-24" }, "tx": { "attribution": { "inventory": { "name": "Compute Atlas", "creator": "Edward Kubiak", "url": "https://www.compute-atlas.com/api", "license": "CC BY 4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "snapshot_url": "https://www.compute-atlas.com/api/facilities", "retrieved": "2026-10-14", "sha256": "79ad432dab7c128e428234c9d0dd40933114b415a4a5d697db00095637d50f37", "changes": "Added provenance, publication-date distinctions, display-safe wording, quarantine flags and state partitioning. Original source records retained locally." }, "counties": "U.S. Census Bureau county boundaries (public domain)", "research": "Field-specific source context. See the linked source and limits on each record." }, "source_data_url": "https://datacentersatlas.com/data/tx.json", "updated": "2026-10-24" } }, "scope": "Linked company names and sourced roles retain their separate meaning in each record. Research records retain their sources, dates and location limits. Counts are not a census of operating buildings. Company name links alone do not establish ownership or operation.", "collection": { "kind": "companies", "key": "mara", "label": "MARA" }, "records": [ { "id": "mara-findlay-oh", "state": "oh", "kind": "facility", "name": "MARA Findlay Data Center", "group": "unknown", "status": "Status unclear", "raw_status": "", "status_field": "", "crypto": true, "type": "Crypto/HPC (inventory classification)", "counties": [ "Hancock" ], "city": "Findlay", "address": "", "who": "", "end_user": "", "mw": null, "power": "", "power_note": "", "investment": "", "jobs": "", "acres": null, "utility": "", "water": "", "incentives": "", "note": "Manual source context is available for this inherited inventory record. The inventory label and approximate geography are retained for discovery. This is not certification of current operation, ownership, a separate physical building, technical capacity or a precise parcel. Missing fields remain unknown. MARA historical Findlay versus Ohio portfolio power. 372MWwholeOhioportfolioincludes150Findlayand222otheracquiredsites,notFindlayalone.152operationalincludes30Findlayand122others;historical2024notcurrent2026.222includes100expansionnotalloperating.270USD/kWacquisitionmultiplebasisnotconstructioncapexorcustomelectricrate. No observed2025targetfulfillmentorcriticalITlabel. Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building.", "date": "", "events": [ [ "2024-11-11", "MARA published its Findlay development and capacity account November 11, 2024. This records the dated company publication, not an exact physical opening or verification that its year end 2025 expansion forecast was accomplished." ] ], "timeline": [], "opened": "", "tier": "", "sources": [ { "url": "https://ir.mara.com/news-events/press-releases/detail/1375/mara-adds-372-megawatts-of-capacity-in-ohio-with-152-megawatts-operational-and-220-megawatts-in-development", "host": "ir.mara.com", "date": "2024-11-11", "published": "2024-11-11", "checked": "2026-10-14", "date_kind": "publication", "label": "Reviewed source" }, { "url": "https://ir.mara.com/sec-filings/all-sec-filings/content/0001507605-26-000022/0001507605-26-000022.pdf", "host": "ir.mara.com", "published": "2026-08-06", "date": "2026-08-06", "checked": "2026-10-23", "label": "Reviewed government record" } ], "loc": { "lat": 41.00192, "lng": -83.66649, "precision": "county", "basis": "Shown at county level only. The dot is placed inside the county for the map and is not the site, its address or a parcel." }, "reviewed_evidence": [ { "overlay": "operator-primary-review-round10-2026-10-14.json", "scope": "MARA historical Findlay versus Ohio portfolio power", "fields": { "issuer": "MARA", "announcement_date": "2024-11-11", "findlay_planned_capacity_mw": 150, "findlay_reported_existing_capacity_mw_at_announcement": 30, "historical_full_energization_target": "end2025", "three_ohio_sites_total_interconnect_approved_capacity_mw": 372, "three_sites_operational_at_announcement_mw": 152, "three_sites_in_development_at_announcement_mw": 220, "other_acquired_sites": [ "Hannibal", "Hopedale" ], "other_two_sites_combined_interconnect_approved_mw": 222, "other_sites_acquisition_date": "2024-11-05" }, "notes": [ "372MWwholeOhioportfolioincludes150Findlayand222otheracquiredsites,notFindlayalone.152operationalincludes30Findlayand122others;historical2024notcurrent2026.222includes100expansionnotalloperating.270USD/kWacquisitionmultiplebasisnotconstructioncapexorcustomelectricrate. No observed2025targetfulfillmentorcriticalITlabel.", "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building." ], "sources": [ { "url": "https://ir.mara.com/news-events/press-releases/detail/1375/mara-adds-372-megawatts-of-capacity-in-ohio-with-152-megawatts-operational-and-220-megawatts-in-development", "host": "ir.mara.com", "date": "2024-11-11", "published": "2024-11-11", "checked": "2026-10-14", "date_kind": "publication", "label": "Reviewed source" } ], "whole_record_certified": false }, { "overlay": "Codex 3 research cohort 33", "scope": "The November 11, 2024 release describes Findlay development and some existing capacity while forecasting later energization. The captured 2026 quarterly filing has no accepted named current Findlay service or physical completion section. An old capacity statement and passed 2025 target are not full campus operation. Historic activity is retained while present exact component phase, commissioning and delivered quantities remain unclear.", "fields": { "current_stage_evidence": { "outcome": "historic_findlay_capacity_and_elapsed_forecast_not_current_completion", "scope": "The November 11, 2024 release describes Findlay development and some existing capacity while forecasting later energization. The captured 2026 quarterly filing has no accepted named current Findlay service or physical completion section. An old capacity statement and passed 2025 target are not full campus operation. Historic activity is retained while present exact component phase, commissioning and delivered quantities remain unclear." } }, "notes": [ "The November 11, 2024 release describes Findlay development and some existing capacity while forecasting later energization. The captured 2026 quarterly filing has no accepted named current Findlay service or physical completion section. An old capacity statement and passed 2025 target are not full campus operation. Historic activity is retained while present exact component phase, commissioning and delivered quantities remain unclear.", "The review preserves existing identity, roles, locations, jurisdictions, quantities and physical opening fields. Source publication, checked dates and physical milestones remain distinct." ], "sources": [ { "url": "https://ir.mara.com/news-events/press-releases/detail/1375/mara-adds-372-megawatts-of-capacity-in-ohio-with-152-megawatts-operational-and-220-megawatts-in-development", "host": "ir.mara.com", "published": "2024-11-11", "date": "2024-11-11", "checked": "2026-10-23", "label": "Reviewed operator source" }, { "url": "https://ir.mara.com/sec-filings/all-sec-filings/content/0001507605-26-000022/0001507605-26-000022.pdf", "host": "ir.mara.com", "published": "2026-08-06", "date": "2026-08-06", "checked": "2026-10-23", "label": "Reviewed government record" } ], "checked": "2026-10-23", "whole_record_certified": false } ], "manual_source_reviewed": true, "whole_record_certified": false, "field_evidence_present": true, "inventory_label_retained": true, "precision_label": "Exact site not published; shown at county level", "summary": "Findlay · Hancock · Source context reviewed", "event_evidence": [ { "date": "2024-11-11", "text": "MARA published its Findlay development and capacity account November 11, 2024. This records the dated company publication, not an exact physical opening or verification that its year end 2025 expansion forecast was accomplished.", "kind": "announced", "sources": [ { "url": "https://ir.mara.com/news-events/press-releases/detail/1375/mara-adds-372-megawatts-of-capacity-in-ohio-with-152-megawatts-operational-and-220-megawatts-in-development", "host": "ir.mara.com", "published": "2024-11-11", "date": "2024-11-11", "checked": "2026-10-23", "label": "Reviewed operator source" } ] } ], "location_display": { "policy": "reviewed-map-references-2026-10-23", "decision": "withheld_unreviewed_point", "scope": "The available point evidence does not establish a supported site location. No site pin, nearby distance or aerial destination is published. The original coordinate and its provenance remain in research history.", "county_display": "39063" } }, { "id": "mara-flared-gas-fleet-tx-nd", "state": "tx", "kind": "facility", "name": "MARA Flared/Stranded-Gas Mining Fleet (TX + ND)", "group": "unknown", "status": "Status unclear", "raw_status": "", "status_field": "", "crypto": true, "type": "Crypto/HPC (inventory classification)", "counties": [], "city": "Midland/Odessa area (representative)", "address": "", "who": "", "end_user": "", "mw": null, "power": "", "power_note": "", "investment": "", "jobs": "", "acres": null, "utility": "", "water": "", "incentives": "", "note": "Manual source context is available for this inherited inventory record. The inventory label and approximate geography are retained for discovery. This is not certification of current operation, ownership, a separate physical building, technical capacity or a precise parcel. Missing fields remain unknown. Originaloperator/issuer/government namedidentity,historicaltransaction orproposal/policycontext;notwhole-recordcurrentoperationcertification.. MARAissuerMay5,2025 reports25MWgas-to-poweraggregateacrosswellheadsitesinNorthDakotaandTexas,fullyenergizedasreportedthen. Not25MWperstate,oneparcel/physicalDCorallAIIT. CheapestBTC/methanemitigationclaimsnotindependentlymeasured;hashrateEH/snotMW. SeparateunnamedOhioexpansion50MWincrementto100,200designmaximumnotgasfleet. NoexactTXNDlocationsconfirmed. Sharedaggregatepower/generation,unknownITbasisanddate-rolelimitationscontrol.", "date": "", "events": [ [ "2025-05-05", "MARA published its April mining update on May 5, 2025 and reported energized gas to power operations across Texas and North Dakota wellheads. This dates a company fleet report, not an exact commissioning day or current operation at one inherited map point." ] ], "timeline": [], "opened": "", "tier": "", "sources": [ { "url": "https://ir.mara.com/news-events/press-releases/detail/1394/mara-announces-bitcoin-production-and-mining-operation-updates-for-april-2025", "host": "ir.mara.com", "date": "", "published": "", "checked": "2026-10-14", "date_kind": "publication date not established", "label": "Reviewed source" } ], "loc": { "lat": 31.88383, "lng": -102.55903, "precision": "county", "basis": "Shown at county level only. The dot is placed inside the county for the map and is not the site, its address or a parcel." }, "reviewed_evidence": [ { "overlay": "operator-and-government-review-round46-2026-10-14.json", "scope": "Originaloperator/issuer/government namedidentity,historicaltransaction orproposal/policycontext;notwhole-recordcurrentoperationcertification.", "fields": { "named_original_context": "MARAissuerMay5,2025 reports25MWgas-to-poweraggregateacrosswellheadsitesinNorthDakotaandTexas,fullyenergizedasreportedthen. Not25MWperstate,oneparcel/physicalDCorallAIIT. CheapestBTC/methanemitigationclaimsnotindependentlymeasured;hashrateEH/snotMW. SeparateunnamedOhioexpansion50MWincrementto100,200designmaximumnotgasfleet. NoexactTXNDlocationsconfirmed." }, "notes": [ "MARAissuerMay5,2025 reports25MWgas-to-poweraggregateacrosswellheadsitesinNorthDakotaandTexas,fullyenergizedasreportedthen. Not25MWperstate,oneparcel/physicalDCorallAIIT. CheapestBTC/methanemitigationclaimsnotindependentlymeasured;hashrateEH/snotMW. SeparateunnamedOhioexpansion50MWincrementto100,200designmaximumnotgasfleet. NoexactTXNDlocationsconfirmed.", "Sharedaggregatepower/generation,unknownITbasisanddate-rolelimitationscontrol." ], "sources": [ { "url": "https://ir.mara.com/news-events/press-releases/detail/1394/mara-announces-bitcoin-production-and-mining-operation-updates-for-april-2025", "host": "ir.mara.com", "date": "", "published": "", "checked": "2026-10-14", "date_kind": "publication date not established", "label": "Reviewed source" } ], "whole_record_certified": false }, { "overlay": "Codex 3 research cohort 53", "scope": "MARA May 5, 2025 original April mining update reports fully energized gas to power operations across wellheads in North Dakota and Texas and describes production benefits at those sites. This is an aggregate historical fleet account, not independent exact current certification of a single Texas computing facility or its inherited point. The relative last month wording is not converted to an exact energization day.", "fields": { "current_stage_evidence": { "outcome": "historical_multi_state_fleet_not_current_exact_site", "scope": "MARA May 5, 2025 original April mining update reports fully energized gas to power operations across wellheads in North Dakota and Texas and describes production benefits at those sites. This is an aggregate historical fleet account, not independent exact current certification of a single Texas computing facility or its inherited point. The relative last month wording is not converted to an exact energization day." }, "source_read_scope": { "selected_section": "Management Commentary gas to power operations", "aggregate_fleet_not_single_building": true, "no_exact_energization_day_inferred": true } }, "notes": [ "MARA May 5, 2025 original April mining update reports fully energized gas to power operations across wellheads in North Dakota and Texas and describes production benefits at those sites. This is an aggregate historical fleet account, not independent exact current certification of a single Texas computing facility or its inherited point. The relative last month wording is not converted to an exact energization day.", "Existing location, jurisdiction, provider roles, identities, quantities and physical opening dates remain unchanged. Proposal and administrative evidence do not certify computing operation." ], "sources": [ { "url": "https://ir.mara.com/news-events/press-releases/detail/1394/mara-announces-bitcoin-production-and-mining-operation-updates-for-april-2025", "host": "ir.mara.com", "published": "2025-05-05", "date": "2025-05-05", "checked": "2026-10-23", "label": "Reviewed government record" } ], "checked": "2026-10-23", "whole_record_certified": false } ], "manual_source_reviewed": true, "whole_record_certified": false, "field_evidence_present": true, "inventory_label_retained": true, "precision_label": "Exact site not published; shown at county level", "summary": "Midland/Odessa area (representative) · Source context reviewed", "event_evidence": [ { "date": "2025-05-05", "text": "MARA published its April mining update on May 5, 2025 and reported energized gas to power operations across Texas and North Dakota wellheads. This dates a company fleet report, not an exact commissioning day or current operation at one inherited map point.", "kind": "announced", "sources": [ { "url": "https://ir.mara.com/news-events/press-releases/detail/1394/mara-announces-bitcoin-production-and-mining-operation-updates-for-april-2025", "host": "ir.mara.com", "published": "2025-05-05", "date": "2025-05-05", "checked": "2026-10-23", "label": "Reviewed government record" } ] } ], "location_display": { "policy": "reviewed-map-references-2026-10-23", "decision": "withheld_unreviewed_point", "scope": "The available point evidence does not establish a supported site location. No site pin, nearby distance or aerial destination is published. The original coordinate and its provenance remain in research history.", "county_display": "48135" } }, { "id": "mara-granbury-hood-tx", "state": "tx", "kind": "facility", "name": "MARA Granbury Facility", "group": "operating", "status": "Filing reported operations", "raw_status": "operating", "status_field": "current_status", "crypto": true, "type": "Crypto/HPC (inventory classification)", "counties": [ "Hood" ], "city": "Granbury", "address": "", "who": "", "end_user": "", "mw": null, "power": "", "power_note": "", "investment": "", "jobs": "", "acres": null, "utility": "", "water": "", "incentives": "", "note": "Manual source context is available for this inherited inventory record. The inventory label and approximate geography are retained for discovery. This is not certification of current operation, ownership, a separate physical building, technical capacity or a precise parcel. Missing fields remain unknown. Named project context: original issuer statement, local reporting or advocacy concerns, with source role and historical/proposed scope explicit.. Colleen DeGuzman, TexasTribune October9,2025, clarification14:50Central, original onsite/company/county reporting: Granbury-area MARA noise dispute and then-future MitchellBend incorporation vote. No2025 election result/current2026 ordinance inferred.67% immersion conversion is company claim; resident readings and county-funded October2024 study use different protocols/locations. Report quotes study caveat that typical mine operation during monitoring could not be confirmed. No measured universal85dB breach or medical causation adopted.1.2B investment is company TEXAS-SITES total, not this mine alone. Statewide counts, legal/tax shortcuts and household equivalences not current census/legal advice. Republish copies are duplicate text, not extra sources. Not all fields, current operation, permits, exact parcel or critical IT independently verified. Original historical acoustic-study method, metric and operational/source-attribution limits.. Not current noise, causal health evidence or an applicable-law compliance judgment.", "date": "", "events": [], "timeline": [], "opened": "", "tier": "", "sources": [ { "url": "https://www.texastribune.org/2025/10/09/texas-hood-county-crypto-noise-incorporate-city/", "host": "texastribune.org", "date": "", "published": "", "checked": "2026-10-15", "date_kind": "publication date not established", "label": "Reviewed source" }, { "url": "https://hoodcountytx.documents-on-demand.com/document/446290f6-6aa7-ef11-a428-000c29a59557/2024.11.01%20Cryptocurrency%20Mine%20Sound%20Level%20Investigation", "host": "hoodcountytx.documents-on-demand.com", "date": "", "published": "", "checked": "2026-10-15", "date_kind": "publication date not established", "label": "Reviewed source" }, { "url": "https://www.sec.gov/Archives/edgar/data/1507605/000150760526000007/mara-20251231.htm", "host": "www.sec.gov", "published": "", "date": "", "checked": "2026-10-17", "label": "MARA Holdings reviewed source" }, { "url": "https://ir.mara.com/sec-filings/all-sec-filings/content/0001507605-26-000007/0001507605-26-000007.pdf", "host": "ir.mara.com", "published": "", "date": "", "checked": "2026-10-23", "label": "Reviewed government record" }, { "url": "https://ir.mara.com/sec-filings/all-sec-filings/content/0001507605-26-000022/mara-20260630.htm", "host": "ir.mara.com", "published": "2026-08-06", "date": "2026-08-06", "checked": "2026-10-23", "label": "Reviewed government record" } ], "loc": { "lat": 32.40711, "lng": -97.83008, "precision": "county", "basis": "Shown at county level only. The dot is placed inside the county for the map and is not the site, its address or a parcel." }, "reviewed_evidence": [ { "overlay": "national-issuer-filings-local-plans-and-circular-source-holds-round85-2026-10-15.json", "scope": "Named project context: original issuer statement, local reporting or advocacy concerns, with source role and historical/proposed scope explicit.", "fields": {}, "notes": [ "Colleen DeGuzman, TexasTribune October9,2025, clarification14:50Central, original onsite/company/county reporting: Granbury-area MARA noise dispute and then-future MitchellBend incorporation vote. No2025 election result/current2026 ordinance inferred.67% immersion conversion is company claim; resident readings and county-funded October2024 study use different protocols/locations. Report quotes study caveat that typical mine operation during monitoring could not be confirmed. No measured universal85dB breach or medical causation adopted.1.2B investment is company TEXAS-SITES total, not this mine alone. Statewide counts, legal/tax shortcuts and household equivalences not current census/legal advice. Republish copies are duplicate text, not extra sources.", "Not all fields, current operation, permits, exact parcel or critical IT independently verified." ], "sources": [ { "url": "https://www.texastribune.org/2025/10/09/texas-hood-county-crypto-noise-incorporate-city/", "host": "texastribune.org", "date": "", "published": "", "checked": "2026-10-15", "date_kind": "publication date not established", "label": "Reviewed source" } ], "whole_record_certified": false }, { "overlay": "national-original-noise-and-water-reporting-review-round86-2026-10-15.json", "scope": "Original historical acoustic-study method, metric and operational/source-attribution limits.", "fields": {}, "notes": [ "Not current noise, causal health evidence or an applicable-law compliance judgment." ], "sources": [ { "url": "https://hoodcountytx.documents-on-demand.com/document/446290f6-6aa7-ef11-a428-000c29a59557/2024.11.01%20Cryptocurrency%20Mine%20Sound%20Level%20Investigation", "host": "hoodcountytx.documents-on-demand.com", "date": "", "published": "", "checked": "2026-10-15", "date_kind": "publication date not established", "label": "Reviewed source" } ], "whole_record_certified": false }, { "overlay": "overnight-discovery-2026-10-17", "scope": "Source-scoped official discovery and annual-filing comparison; research-context associations do not certify distinct physical sites or current whole-campus activity.", "fields": { "issuer_annual_property_context": { "issuer": "MARA Holdings", "reporting_period": "2025-12-31", "source_name": "Granbury, Texas", "scope": "Named owned-site example within a regional portfolio. No separate operating-versus-total MW adoption, opening date or current whole-site certification." } }, "notes": [ "No status, address, map point, jurisdiction, operating date or technical quantity is promoted in this review. Annual filings retain their reporting periods; a fresh retrieval is not a fresh physical-site certification." ], "sources": [ { "url": "https://www.sec.gov/Archives/edgar/data/1507605/000150760526000007/mara-20251231.htm", "host": "www.sec.gov", "published": "", "date": "", "checked": "2026-10-17", "label": "MARA Holdings reviewed source" } ], "checked": "2026-10-17", "whole_record_certified": false }, { "overlay": "Codex 3 research cohort 21", "scope": "MARA annual filing describes Granbury as an owned operating site and explicitly reports energized mining hashrate as of December 31, 2025. Filing reported operations describes that named facility and reporting period. The later second quarter 2026 filing gives portfolio results without naming Granbury and does not independently update its individual physical phase. Aggregate inference strategy does not certify a completed campus AI conversion. No exact opening day, actual quantity, current nuisance merits outcome or provider role is adopted.", "fields": { "current_stage_evidence": { "outcome": "named_granbury_operations_at_reported_period_not_aggregate_ai_conversion", "scope": "MARA annual filing describes Granbury as an owned operating site and explicitly reports energized mining hashrate as of December 31, 2025. Filing reported operations describes that named facility and reporting period. The later second quarter 2026 filing gives portfolio results without naming Granbury and does not independently update its individual physical phase. Aggregate inference strategy does not certify a completed campus AI conversion. No exact opening day, actual quantity, current nuisance merits outcome or provider role is adopted." }, "source_scope": { "explicit_operations_as_of": "2025-12-31", "annual_filing_operations_pdf_page_visually_read": 11, "page_printed_number": 12, "later_q2_filing_does_not_name_granbury": true, "existing_noise_concerns_not_duplicated_or_resolved": true } }, "notes": [ "MARA annual filing describes Granbury as an owned operating site and explicitly reports energized mining hashrate as of December 31, 2025. Filing reported operations describes that named facility and reporting period. The later second quarter 2026 filing gives portfolio results without naming Granbury and does not independently update its individual physical phase. Aggregate inference strategy does not certify a completed campus AI conversion. No exact opening day, actual quantity, current nuisance merits outcome or provider role is adopted.", "The review preserves existing physical identity, locations, roles, quantities and opening fields. Source issue dates, review checks and physical milestones remain distinct." ], "sources": [ { "url": "https://ir.mara.com/sec-filings/all-sec-filings/content/0001507605-26-000007/0001507605-26-000007.pdf", "host": "ir.mara.com", "published": "", "date": "", "checked": "2026-10-23", "label": "Reviewed government record" }, { "url": "https://ir.mara.com/sec-filings/all-sec-filings/content/0001507605-26-000022/mara-20260630.htm", "host": "ir.mara.com", "published": "2026-08-06", "date": "2026-08-06", "checked": "2026-10-23", "label": "Reviewed government record" } ], "checked": "2026-10-23", "whole_record_certified": false } ], "manual_source_reviewed": true, "whole_record_certified": false, "field_evidence_present": false, "inventory_label_retained": true, "precision_label": "Exact site not published; shown at county level", "summary": "Granbury · Hood · Source context reviewed", "status_scope": "MARA annual filing describes Granbury as an owned operating site and explicitly reports energized mining hashrate as of December 31, 2025. Filing reported operations describes that named facility and reporting period. The later second quarter 2026 filing gives portfolio results without naming Granbury and does not independently update its individual physical phase. Aggregate inference strategy does not certify a completed campus AI conversion. No exact opening day, actual quantity, current nuisance merits outcome or provider role is adopted.", "location_display": { "policy": "reviewed-map-references-2026-10-23", "decision": "withheld_unreviewed_point", "scope": "The available point evidence does not establish a supported site location. No site pin, nearby distance or aerial destination is published. The original coordinate and its provenance remain in research history.", "county_display": "48221" } }, { "id": "mara-hannibal-monroe-oh", "state": "oh", "kind": "facility", "name": "MARA Hannibal Data Center", "group": "operating", "status": "Operating phase", "raw_status": "partly operating", "status_field": "current_status", "crypto": true, "type": "Crypto/HPC (inventory classification)", "counties": [ "Monroe" ], "city": "Hannibal", "address": "", "who": "", "end_user": "", "mw": null, "power": "", "power_note": "", "investment": "", "jobs": "", "acres": null, "utility": "", "water": "", "incentives": "", "note": "Manual source context is available for this inherited inventory record. The inventory label and approximate geography are retained for discovery. This is not certification of current operation, ownership, a separate physical building, technical capacity or a precise parcel. Missing fields remain unknown. 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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.", "fields": { "current_stage_evidence": { "outcome": "quarterly_filing_named_existing_hannibal_operations_not_future_long_ridge_hpc", "scope": "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. 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Originaloperator/issuer/government namedidentity,historicaltransaction orproposal/policycontext;notwhole-recordcurrentoperationcertification.. MARANov11,2024issuerreportsNov5closingHannibal/Hopedaletwosites.222MWINTERCONNECTAPPROVEDcombined,122MWthenoperatingcombined,100MWremainingexpansion;noindividualsplit. SeparateFindlay150MWplan,30MWthenoperatingcreates372approved/152operating/220developmentAGGREGATE. Not372MWineachsite,notallAIIT. End2025targetnotobserved2026energization.270USD/kWacquisitionmultiple=270000USD/MW,not270Mcapex. Hopedalepreviouslyhostednowacquired;potential50%costsavingnotactualmeteredresult. Sharedaggregatepower/generation,unknownITbasisanddate-rolelimitationscontrol.", "date": "", "events": [ [ "2024-11-11", "MARA published its Ohio acquisition and operating capacity account November 11, 2024, explicitly naming Hopedale. The publication and historical operating account do not certify an exact opening day, current all phase operation or achievement of its later expansion target." ] ], "timeline": [], "opened": "", "tier": "", "sources": [ { "url": "https://ir.mara.com/news-events/press-releases/detail/1375/mara-adds-372-megawatts-of-capacity-in-ohio-with-152-megawatts-operational-and-220-megawatts-in-development", "host": "ir.mara.com", "date": "", "published": "", "checked": "2026-10-14", "date_kind": "publication date not established", "label": "Reviewed source" }, { "url": "https://ir.mara.com/sec-filings/all-sec-filings/content/0001507605-26-000007/0001507605-26-000007.pdf", "host": "ir.mara.com", "published": "", "date": "", "checked": "2026-10-23", "label": "Reviewed government record" }, { "url": "https://ir.mara.com/sec-filings/all-sec-filings/content/0001507605-26-000022/0001507605-26-000022.pdf", "host": "ir.mara.com", "published": "2026-08-06", "date": "2026-08-06", "checked": "2026-10-23", "label": "Reviewed government record" } ], "loc": { "lat": 40.29366, "lng": -81.09138, "precision": "county", "basis": "Shown at county level only. 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Hopedalepreviouslyhostednowacquired;potential50%costsavingnotactualmeteredresult.", "Sharedaggregatepower/generation,unknownITbasisanddate-rolelimitationscontrol." ], "sources": [ { "url": "https://ir.mara.com/news-events/press-releases/detail/1375/mara-adds-372-megawatts-of-capacity-in-ohio-with-152-megawatts-operational-and-220-megawatts-in-development", "host": "ir.mara.com", "date": "", "published": "", "checked": "2026-10-14", "date_kind": "publication date not established", "label": "Reviewed source" } ], "whole_record_certified": false }, { "overlay": "Codex 3 research cohort 33", "scope": "The November 11, 2024 company release and annual filing describe acquisition of an operational Hopedale site. That is an explicit historic operating account, but the captured later quarterly filing does not provide a named current Hopedale service section. Historic operation and an old expansion forecast do not independently establish exact present component phase. Absence from that filing is not closure, and current Hannibal operation is not transferred to Hopedale.", "fields": { "current_stage_evidence": { "outcome": "historic_named_hopedale_operation_without_current_exact_component_account", "scope": "The November 11, 2024 company release and annual filing describe acquisition of an operational Hopedale site. That is an explicit historic operating account, but the captured later quarterly filing does not provide a named current Hopedale service section. Historic operation and an old expansion forecast do not independently establish exact present component phase. Absence from that filing is not closure, and current Hannibal operation is not transferred to Hopedale." } }, "notes": [ "The November 11, 2024 company release and annual filing describe acquisition of an operational Hopedale site. That is an explicit historic operating account, but the captured later quarterly filing does not provide a named current Hopedale service section. Historic operation and an old expansion forecast do not independently establish exact present component phase. Absence from that filing is not closure, and current Hannibal operation is not transferred to Hopedale.", "The review preserves existing identity, roles, locations, jurisdictions, quantities and physical opening fields. Source publication, checked dates and physical milestones remain distinct." ], "sources": [ { "url": "https://ir.mara.com/news-events/press-releases/detail/1375/mara-adds-372-megawatts-of-capacity-in-ohio-with-152-megawatts-operational-and-220-megawatts-in-development", "host": "ir.mara.com", "published": "2024-11-11", "date": "2024-11-11", "checked": "2026-10-23", "label": "Reviewed operator source" }, { "url": "https://ir.mara.com/sec-filings/all-sec-filings/content/0001507605-26-000007/0001507605-26-000007.pdf", "host": "ir.mara.com", "published": "", "date": "", "checked": "2026-10-23", "label": "Reviewed government record" }, { "url": "https://ir.mara.com/sec-filings/all-sec-filings/content/0001507605-26-000022/0001507605-26-000022.pdf", "host": "ir.mara.com", "published": "2026-08-06", "date": "2026-08-06", "checked": "2026-10-23", "label": "Reviewed government record" } ], "checked": "2026-10-23", "whole_record_certified": false } ], "manual_source_reviewed": true, "whole_record_certified": false, "field_evidence_present": true, "inventory_label_retained": true, "precision_label": "Exact site not published; shown at county level", "summary": "Hopedale · Harrison · Source context reviewed", "event_evidence": [ { "date": "2024-11-11", "text": "MARA published its Ohio acquisition and operating capacity account November 11, 2024, explicitly naming Hopedale. 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The original coordinate and its provenance remain in research history.", "county_display": "39067" } }, { "id": "mara-kearney-buffalo-ne", "state": "ne", "kind": "facility", "name": "MARA Kearney Facility", "group": "unknown", "status": "Status unclear", "raw_status": "", "status_field": "", "crypto": true, "type": "Crypto/HPC (inventory classification)", "counties": [ "Buffalo" ], "city": "Kearney", "address": "", "who": "", "end_user": "", "mw": null, "power": "", "power_note": "", "investment": "", "jobs": "", "acres": null, "utility": "", "water": "", "incentives": "", "note": "Manual source context is available for this inherited inventory record. The inventory label and approximate geography are retained for discovery. This is not certification of current operation, ownership, a separate physical building, technical capacity or a precise parcel. Missing fields remain unknown. Original annual report visibly read; self-reported period, redactions and number definitions control.. Peak electrical demand is not IT load, nominal site capacity or delivered energy. Annual electricity MWh is separate. January 2025 water includes an estimate of 3 HCF. Report states domestic water only and no water used for cooling; neither claim establishes zero total water or zero indirect water footprint. Report states no participation in the listed sales/use exemptions and N/A for the two incentive-payment fields; do not expand this to all taxes or subsidies. Report describes NPPD curtailment participation, not a quantified delivered response or independently verified rate agreement. The annual MWh is numerically close to one anonymous NPPD row after conversion/rounding, but NPPD names no operator. Do not assert a proven row-to-facility identity or add the two as independent consumption. Not all-field or current operating-building certification.", "date": "", "events": [ [ "2024-02-01", "The original MARA February 1, 2024 release publishes its intended operating transition at the acquired Kearney and Granbury mining sites. Its reported January 16 acquisition date differs from January 12 in the later original annual note. Neither date is silently corrected, and the forecast April transition is not certified as accomplished." ] ], "timeline": [], "opened": "", "tier": "", "sources": [ { "url": "https://ecmp.nebraska.gov/PublicAccess/api/Document/AbobcZrAZNpJb7gsgke%C3%89aW5fNZniWK2c1ZflxM9O3rmi8KZ%C3%8171InSLiWRdK2%C3%892SnP%C3%89YoFaZyS%C3%89YR%C3%89hqHqSKSxRU%3D/", "host": "ecmp.nebraska.gov", "date": "", "published": "", "checked": "2026-10-15", "date_kind": "publication date not established", "label": "Reviewed source" }, { "url": "https://ir.mara.com/news-events/press-releases/detail/1340/marathon-digital-holdings-to-assume-full-operational-control-of-its-recently-acquired-bitcoin-mining-sites", "host": "ir.mara.com", "published": "2024-02-01", "date": "2024-02-01", "checked": "2026-10-24", "label": "Reviewed operator source" }, { "url": "https://ir.mara.com/sec-filings/all-sec-filings/content/0001507605-26-000007/mara-20251231.htm", "host": "ir.mara.com", "published": "", "date": "", "checked": "2026-10-24", "label": "Reviewed government record" } ], "loc": { "lat": 40.855, "lng": -99.07513, "precision": "county", "basis": "Shown at county level only. The dot is placed inside the county for the map and is not the site, its address or a parcel." }, "reviewed_evidence": [ { "overlay": "nebraska-annual-reports-visible-review-round51-2026-10-15.json", "scope": "Original annual report visibly read; self-reported period, redactions and number definitions control.", "fields": {}, "notes": [ "Peak electrical demand is not IT load, nominal site capacity or delivered energy. Annual electricity MWh is separate.", "January 2025 water includes an estimate of 3 HCF. Report states domestic water only and no water used for cooling; neither claim establishes zero total water or zero indirect water footprint.", "Report states no participation in the listed sales/use exemptions and N/A for the two incentive-payment fields; do not expand this to all taxes or subsidies.", "Report describes NPPD curtailment participation, not a quantified delivered response or independently verified rate agreement.", "The annual MWh is numerically close to one anonymous NPPD row after conversion/rounding, but NPPD names no operator. Do not assert a proven row-to-facility identity or add the two as independent consumption.", "Not all-field or current operating-building certification." ], "sources": [ { "url": "https://ecmp.nebraska.gov/PublicAccess/api/Document/AbobcZrAZNpJb7gsgke%C3%89aW5fNZniWK2c1ZflxM9O3rmi8KZ%C3%8171InSLiWRdK2%C3%892SnP%C3%89YoFaZyS%C3%89YR%C3%89hqHqSKSxRU%3D/", "host": "ecmp.nebraska.gov", "date": "", "published": "", "checked": "2026-10-15", "date_kind": "publication date not established", "label": "Reviewed source" } ], "whole_record_certified": false }, { "overlay": "Codex 3 research cohort 73", "scope": "The complete original February 1, 2024 issuer release reports acquisition of historical operating mining sites and forecasts an operator transition. The selected original fiscal 2025 acquisition note separately dates the acquisition January 12, whereas the release says January 16. Those exact source dates remain distinct and no single corrected acquisition day is adopted. The selected annual note is a historical business combination account rather than independently verified present Kearney computing service. Future Horizon development and adjacent power reuse do not establish conversion or closure of this exact mine. Roles and current stage remain held.", "fields": { "current_stage_evidence": { "outcome": "historical_mining_acquisition_and_transition_current_stage_held", "scope": "The complete original February 1, 2024 issuer release reports acquisition of historical operating mining sites and forecasts an operator transition. The selected original fiscal 2025 acquisition note separately dates the acquisition January 12, whereas the release says January 16. Those exact source dates remain distinct and no single corrected acquisition day is adopted. The selected annual note is a historical business combination account rather than independently verified present Kearney computing service. Future Horizon development and adjacent power reuse do not establish conversion or closure of this exact mine. Roles and current stage remain held." }, "source_read_scope": { "complete_original_february2024_release_body_read": true, "original_annual_selected_gc_acquisition_note_and_adjacent_table_read": true, "complete_annual_filing_not_claimed": true, "jan12_annual_and_jan16_release_conflict_not_harmonized": true, "forecast_operator_transition_not_accomplished": true, "no_current_role_conversion_or_closure_adopted": true } }, "notes": [ "The complete original February 1, 2024 issuer release reports acquisition of historical operating mining sites and forecasts an operator transition. The selected original fiscal 2025 acquisition note separately dates the acquisition January 12, whereas the release says January 16. Those exact source dates remain distinct and no single corrected acquisition day is adopted. The selected annual note is a historical business combination account rather than independently verified present Kearney computing service. Future Horizon development and adjacent power reuse do not establish conversion or closure of this exact mine. Roles and current stage remain held.", "Existing roles, identities, physical placement, jurisdiction assignments, technical quantities and exact first opening days remain unchanged. A document date does not date physical commissioning." ], "sources": [ { "url": "https://ir.mara.com/news-events/press-releases/detail/1340/marathon-digital-holdings-to-assume-full-operational-control-of-its-recently-acquired-bitcoin-mining-sites", "host": "ir.mara.com", "published": "2024-02-01", "date": "2024-02-01", "checked": "2026-10-24", "label": "Reviewed operator source" }, { "url": "https://ir.mara.com/sec-filings/all-sec-filings/content/0001507605-26-000007/mara-20251231.htm", "host": "ir.mara.com", "published": "", "date": "", "checked": "2026-10-24", "label": "Reviewed government record" } ], "checked": "2026-10-24", "whole_record_certified": false } ], "manual_source_reviewed": true, "whole_record_certified": false, "field_evidence_present": false, "inventory_label_retained": true, "precision_label": "Exact site not published; shown at county level", "summary": "Kearney · Buffalo · Source context reviewed", "event_evidence": [ { "date": "2024-02-01", "text": "The original MARA February 1, 2024 release publishes its intended operating transition at the acquired Kearney and Granbury mining sites. 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