{"id":"04fa129b-6e90-47ed-93dc-4613029ffec0","slug":"bitdeer-massillon-fire-2025-11","kind":"property_damage","headline":"Fire damages two buildings at Bitdeer Massillon, Ohio data center construction site","summary":"On November 11, 2025, a fire broke out at Bitdeer's under-construction data center in Massillon, Ohio, damaging two of the 26 buildings in the complex. No personal injuries were reported. The Massillon Fire Department found no signs of arson. Bitdeer reported that reconstruction of the two fire-damaged buildings (26MW) was underway and expected to be completed by Q3 2026, with a significant portion of reconstruction costs recovered through the supplier's insurance coverage.","occurredAt":"2025-11-11T19:00:00.000Z","reviewStatus":"reviewed","modelId":"7da4e98b-0994-45f3-b32e-28aaf03b11a2","deploymentId":"d85e8bf9-de13-4c04-91d0-0ca0b4976e7d","companyId":"3fd17461-d5be-49a7-88dd-0a88b278eda2","dataCenterId":null,"aliases":[],"collisionRisk":"none","reviewNote":null,"severity":"moderate","rootCauseCategory":null,"rootCauseDetail":null,"affectedUnitsCount":null,"affectedUnitsBasis":null,"remediationStatus":"in_progress","regulatoryAction":"none","regulatoryBody":null,"propertyDamageEstimateUsd":null,"damageEstimateBasis":null,"bodilyInjurySeverity":null,"fatalityCount":null,"lossCostClass":null,"sourceQualityTier":null,"oshaRecordable":null,"oshaCaseNumber":null,"rootCauseDisclosed":null,"publicDisclosureDate":null,"insuranceClaimPublic":null,"formFactor":null,"latitude":null,"longitude":null,"autonomyClass":null,"legalOutcomeClass":"unknown","createdAt":"2026-08-18T11:03:52.429Z","updatedAt":"2026-08-23T15:14:15.796Z","model":{"id":"7da4e98b-0994-45f3-b32e-28aaf03b11a2","companyId":"3fd17461-d5be-49a7-88dd-0a88b278eda2","modelName":"SEALMINER A4","slug":"sealminer-a4","description":"The SEALMINER A4 is Bitdeer's fourth-generation bitcoin mining rig powered by proprietary SEAL04 ASIC chips, achieving approximately 9.45 J/TH power efficiency. Mass production commenced in Q1 2026. The SEAL04 chip has demonstrated 6-7 J/TH at the chip level under low-voltage, ultra-power-saving mode. The rigs are deployed across Bitdeer's global data center network for self-mining operations.","formFactor":"other","industryVertical":null,"environment":null,"maturityStage":"production","lifecycleState":"active","supersededByModelId":null,"specs":{},"manufacturerSerial":null,"reviewStatus":"reviewed","sources":[{"url":"https://ir.bitdeer.com/news-releases/news-release-details/bitdeer-launches-sealminer-a4-series-bitcoin-mining-rigs/","label":"Bitdeer Launches SEALMINER A4 Series Bitcoin Mining Rigs","title":"Bitdeer Launches SEALMINER A4 Series Bitcoin Mining Rigs","mediaType":"article","sourceName":"Bitdeer IR"},{"url":"https://www.globenewswire.com/news-release/2026/04/07/3269133/0/en/Bitdeer-Launches-SEALMINER-A4-Series-Bitcoin-Mining-Rigs-Achieves-a-Power-Efficiency-of-9-45-J-TH.html","date":"2026-04-07","title":"Bitdeer Launches SEALMINER A4 Series Bitcoin Mining Rigs","sourceName":"Bitdeer / GlobeNewswire"}],"aliases":[],"collisionRisk":"low","reviewNote":null,"manufacturerTermForTeleop":null,"keyFacts":[{"label":"Form Factor","value":"other"},{"label":"Maturity","value":"production"},{"label":"A4 models and SEAL04 chips","value":"Bitdeer's 7 April 2026 release says the SEALMINER A4 series uses proprietary SEAL04 chips and includes the air-cooled A4 Pro Air plus hydro-cooled A4 Pro Hydro and A4 Ultra Hydro ([Bitdeer](https://www.globenewswire.com/news-release/2026/04/07/3269133/0/en/Bitdeer-Launches-SEALMINER-A4-Series-Bitcoin-Mining-Rigs-Achieves-a-Power-Efficiency-of-9-45-J-TH.html))."},{"label":"Ultra Hydro rating","value":"The same release lists A4 Ultra Hydro at 9.45 J/TH, 886 TH/s, and 8372.7 W, and says power efficiency may vary by about 5 percent and hashrate and power by about 10 percent ([Bitdeer](https://www.globenewswire.com/news-release/2026/04/07/3269133/0/en/Bitdeer-Launches-SEALMINER-A4-Series-Bitcoin-Mining-Rigs-Achieves-a-Power-Efficiency-of-9-45-J-TH.html))."}],"createdAt":"2026-08-18T09:04:14.384Z","updatedAt":"2026-10-03T17:49:53.393Z","unitsInFieldClaimed":null,"unitsInFieldVerified":null,"unitsManufacturedClaimed":null,"unitsManufacturedVerified":null,"unitsAsOf":null,"unitsSource":null,"salesModel":null,"priceUndisclosedSince":null,"autonomyClass":null,"autonomyStatement":null,"autonomyStatementSource":null,"demoForensics":null,"exportControlClass":null,"minCommitment":null,"warrantyTerms":null,"serviceModel":null,"productionRateClaimed":null,"productionRateEvidenced":null,"teleopRatioDisclosed":null,"interventionRateDisclosed":null},"deployment":{"id":"d85e8bf9-de13-4c04-91d0-0ca0b4976e7d","modelId":"7da4e98b-0994-45f3-b32e-28aaf03b11a2","versionId":null,"locationId":"f83b1bb2-639e-480d-908e-7d9e1cb1412f","operatorId":"3fd17461-d5be-49a7-88dd-0a88b278eda2","ownerId":null,"slug":"sealminer-a4-tydal-norway","status":"operational","firstSeen":"2025-10-01T00:00:00.000Z","statusChangeReason":null,"contractType":null,"pilotOutcome":null,"endedAt":null,"unitsOnSite":null,"tasksPerformed":["autonomous_operation"],"shiftStructure":null,"hoursPerDay":8,"siteType":"mine","operatorConfirmed":null,"humanSupervisionOnsite":null,"locationPrecisionTier":"verified_coordinates","deploymentScale":"medium_11_100","siteEnvironment":"outdoor","operatorType":null,"sourceQualityTier":2,"manufacturerSerial":null,"reviewStatus":"reviewed","sources":[{"url":"https://ir.bitdeer.com/news-releases/news-release-details/bitdeer-announces-october-2025-production-and-operations-update","label":"Bitdeer Announces October 2025 Production and Operations Update","title":"Bitdeer Announces October 2025 Production and Operations Update","mediaType":"article","sourceName":"Bitdeer Investor Relations","publishedAt":"2025-10-01"}],"notes":"225 MW hydro-cooling data center site completed and fully energized. SEALMINER A2/A3 rigs deployed for Bitcoin self-mining. Site is being converted to an AI data center with 121 critical IT MW leased to Volta Infra Holdings for NVIDIA GPU hosting under a 16-year agreement.","keyFacts":[{"label":"Power capacity","value":"225 MW"}],"reviewNote":"Bulk approved — pre-existing deployment record","exposureHours":null,"deploymentMilesEstimate":null,"exposureBasis":null,"customerSegment":"research","scaleTier":"commercial_10_99","contractValueUsd":null,"contractValueBasis":null,"customerCompanyId":null,"customerExternalName":null,"createdAt":"2026-08-18T13:07:53.107Z","updatedAt":"2026-08-21T14:23:43.839Z"},"company":{"id":"3fd17461-d5be-49a7-88dd-0a88b278eda2","name":"Bitdeer Technologies","slug":"bitdeer-technologies","description":"Bitdeer Technologies Group (NASDAQ: BTDR) is a Singapore-based cryptocurrency mining and AI cloud infrastructure company founded in January 2021 as a spin-off from Bitmain by Jihan Wu. The company operates Bitcoin mining data centers across the United States, Norway, Bhutan, Ethiopia, and Malaysia with 1.6 GW of energized electrical capacity, and is converting several sites into AI data centers stocked with NVIDIA GPUs. Its [SEALMINER A4](/models/sealminer-a4) bitcoin mining rig uses proprietary SEAL04 chips for energy-efficient hashing. In August 2026, Bitdeer announced a 16-year colocation lease with Volta Infra Holdings for its Tydal, Norway campus to host NVIDIA Vera Rubin GPUs for a leading AI lab.","status":"public","founded":2021,"hq":"Singapore","hqLat":1.357107,"hqLng":103.8194992,"hqGeocodedAt":"2026-08-23T21:14:11.796Z","hqAddress":null,"hqPrecision":null,"website":"https://bitdeer.com","fundingTotal":"100000000","type":"hardware","roles":["robot_maker","data_center_operator","robot_operator"],"reviewStatus":"reviewed","heatIndex":79,"lifecycleState":"active","supersededByCompanyId":null,"sources":[{"url":"https://www.globenewswire.com/news-release/2026/09/29/3371380/0/en/bitdeer-ai-further-expands-ai-cloud-services-with-off-take-commitments-of-more-than-70-of-its-21-7mw-a201-malaysia-data-center.html","title":"Bitdeer AI Further Expands AI Cloud Services with Off-take Commitments of more than 70% of Its 21.7MW A201 Malaysia Data Center","sourceName":"GlobeNewswire (Bitdeer AI / Bitdeer Technologies Group)","publishedAt":"2026-09-29"},{"url":"https://x.com/AIStockSavvy/status/2105040807019327538","title":"Secondary: Bitdeer AI A201 Malaysia offtake headline (links GlobeNewswire syndication)","sourceName":"X (@AIStockSavvy)","publishedAt":"2026-09-29"}],"keyFacts":[{"label":"CEO","value":"Jihan Wu"},{"label":"Ticker","value":"NASDAQ: BTDR"},{"label":"Revenue","value":"US$620.3M (FY2025)"},{"label":"Self-mining hashrate","value":"41.2 EH/s (Oct 2025)"},{"label":"Power capacity","value":"1,611 MW energized; 2,992 MW total global"},{"label":"AI cloud ARR","value":"US$8M (Oct 2025)"},{"label":"Bitcoin held","value":"2,233 BTC (Oct 2025)"},{"label":"Hero image candidate","value":"https://upload.wikimedia.org/wikipedia/en/thumb/e/eb/Bitdeer_logo.png/250px-Bitdeer_logo.png (source: Wikimedia Commons)"},{"label":"A201 Johor >70% offtake ahead of Q1 2027 (company-stated, Sep 2026)","value":"Company-stated ([company-stated](https://www.globenewswire.com/news-release/2026/09/29/3371380/0/en/bitdeer-ai-further-expands-ai-cloud-services-with-off-take-commitments-of-more-than-70-of-its-21-7mw-a201-malaysia-data-center.html)): Bitdeer AI (part of Bitdeer Technologies Group, Nasdaq: BTDR), framed as an AI neocloud service provider and preferred NVIDIA Cloud Partner, secured off-take commitments of more than 70% for approximately 21.7MW capacity at its A201 data center facility in Johor Bahru, Malaysia for AI Cloud business ahead of energization in Q1 2027"},{"label":"A201 expected site revenue + AI cloud backlog (company-stated, Sep 2026)","value":"Company-stated ([company-stated](https://www.globenewswire.com/news-release/2026/09/29/3371380/0/en/bitdeer-ai-further-expands-ai-cloud-services-with-off-take-commitments-of-more-than-70-of-its-21-7mw-a201-malaysia-data-center.html)): more than $1.7 billion in expected revenue at the A201 site spanning the next 5 years; total expected revenue backlog of approximately $2.9 billion. Cap: company-stated expected/contracted revenue; not recognized GAAP revenue"},{"label":"A201 liquid-cooled GB300 NVL72 + 100+ racks (company-stated, Sep 2026)","value":"Company-stated ([company-stated](https://www.globenewswire.com/news-release/2026/09/29/3371380/0/en/bitdeer-ai-further-expands-ai-cloud-services-with-off-take-commitments-of-more-than-70-of-its-21-7mw-a201-malaysia-data-center.html)): A201 is a liquid-cooled facility purpose-built for rack-scale NVIDIA GB300 NVL72 deployments, with a portion of rack space designed to support NVIDIA's next-generation Vera Rubin platform. Bitdeer AI procured more than 100 racks of NVIDIA GB300 NVL72 systems ahead of energization at market price from an unaffiliated third-party supplier (subject to customary reps, warranties, covenants, indemnities, and termination rights)"}],"aliases":[],"collisionRisk":"low","reviewNote":null,"atsProvider":null,"atsSlug":null,"factoryLocations":null,"manufacturingCapacity":null,"orgType":null,"burnSignal":null,"litigationEvents":null,"insurancePostureDisclosed":null,"unitEconomicsDisclosed":null,"tickerSymbol":"BTDR","stockExchange":"NASDAQ","secCik":null,"revenueUsd":null,"revenueBasis":null,"revenueAsOf":null,"employeeCount":471,"employeeCountBasis":null,"employeeCountAsOf":null,"marketCapUsd":null,"marketCapAsOf":null,"marketCapSource":null,"createdAt":"2026-08-18T04:03:16.324Z","updatedAt":"2026-09-30T01:59:56.885Z"},"derived":{"status":"active"},"sources":[{"id":"caaaafb1-e30f-4e1b-b9fc-c21edc438411","incidentId":"04fa129b-6e90-47ed-93dc-4613029ffec0","url":"https://ir.bitdeer.com/news-releases/news-release-details/bitdeer-reports-fire-incident-massillon-development-site","label":"Bitdeer IR","publishedAt":"2025-11-11T00:00:00.000Z","notes":null,"title":null,"sourceName":"Bitdeer IR","mediaType":"article","videoId":null,"channel":null,"durationSec":null,"timestampSec":null,"createdAt":"2026-08-18T11:03:52.429Z","updatedAt":"2026-08-18T11:03:52.429Z"},{"id":"96b4a9c2-a171-4783-962c-73dcdf1ae00f","incidentId":"04fa129b-6e90-47ed-93dc-4613029ffec0","url":"https://www.datacenterdynamics.com/en/news/fire-damages-two-building-at-bitdeers-ohio-bitcoin-mine-construction-site/","label":null,"publishedAt":null,"notes":null,"title":"Fire damages two buildings at Bitdeer Ohio Bitcoin mine construction site (Massillon)","sourceName":"Data Center Dynamics","mediaType":"article","videoId":null,"channel":null,"durationSec":null,"timestampSec":null,"createdAt":"2026-09-29T22:02:12.255Z","updatedAt":"2026-09-29T22:02:12.255Z"}],"responses":[],"statusEvents":[{"id":"49266a32-98d6-40e8-a68f-0947bbd9bc01","incidentId":"04fa129b-6e90-47ed-93dc-4613029ffec0","status":"active","reason":null,"source":"agent:recon","effectiveAt":"2026-08-18T11:03:53.605Z","createdAt":"2026-08-18T11:03:53.605Z"}],"jsonLd":{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://registry.deploy.report/incidents/bitdeer-massillon-fire-2025-11","url":"https://registry.deploy.report/incidents/bitdeer-massillon-fire-2025-11","headline":"Fire damages two buildings at Bitdeer Massillon, Ohio data center construction site","description":"On November 11, 2025, a fire broke out at Bitdeer's under-construction data center in Massillon, Ohio, damaging two of the 26 buildings in the complex. No personal injuries were reported. The Massillon Fire Department found no signs of arson. Bitdeer reported that reconstruction of the two fire-damaged buildings (26MW) was underway and expected to be completed by Q3 2026, with a significant portion of reconstruction costs recovered through the supplier's insurance coverage.","identifier":"04fa129b-6e90-47ed-93dc-4613029ffec0","datePublished":"2025-11-11T19:00:00.000Z","articleSection":"property damage","publisher":{"@id":"https://deploy.report/#organization"},"author":{"@id":"https://deploy.report/#organization"}},"framework_metadata":{"framework_schema_version":"0.1.0","verification_status":"verified","maturity_stage":null,"lifecycle_state":null,"architectural_position":{"cohort":null,"sub_cohorts":[]},"within_cohort_verified_vs_claimed_pair":null,"cap_flags":[],"verification_depth":{"sources_count":2,"primary_source_types":["primary-company-ir"]}}}