{"data":[{"facilityId":"epoch-core42-lake-mariner","slug":"core42-lake-mariner-barker-ny","name":"Core42 Lake Mariner","state":"NY","county":"Niagara County","orgIds":["core42","g42","google","niagara-mohawk-power-corp"],"iso":"NYISO","utilities":["niagara-mohawk-power-corp"],"id":"epoch-core42-lake-mariner:size.buildings_operational:epoch-ai-data-centers:2025-10-01","date":"2025-10-01","kind":"value","field":"size.buildings_operational","before":0,"after":1,"sourceId":"epoch-ai-data-centers","evidenceLevel":"estimated","text":"Buildings operational: 0 → 1","url":"https://datacenters.prithvidixit.com/facilities/core42-lake-mariner-barker-ny","source":{"id":"epoch-ai-data-centers","title":"AI data centers (Frontier Data Centers Hub)","publisher":"Epoch AI","url":"https://epoch.ai/data/ai-data-centers","license":"CC BY 4.0","retrievedAt":"2026-10-12"}},{"facilityId":"epoch-core42-lake-mariner","slug":"core42-lake-mariner-barker-ny","name":"Core42 Lake Mariner","state":"NY","county":"Niagara County","orgIds":["core42","g42","google","niagara-mohawk-power-corp"],"iso":"NYISO","utilities":["niagara-mohawk-power-corp"],"id":"epoch-core42-lake-mariner:status:epoch-ai-data-centers:2025-10-01","date":"2025-10-01","kind":"value","field":"status","before":"under_construction","after":"expanding","sourceId":"epoch-ai-data-centers","evidenceLevel":"estimated","text":"Status: Under construction → Operating + expanding","url":"https://datacenters.prithvidixit.com/facilities/core42-lake-mariner-barker-ny","source":{"id":"epoch-ai-data-centers","title":"AI data centers (Frontier Data Centers Hub)","publisher":"Epoch AI","url":"https://epoch.ai/data/ai-data-centers","license":"CC BY 4.0","retrievedAt":"2026-10-12"}},{"facilityId":"epoch-core42-lake-mariner","slug":"core42-lake-mariner-barker-ny","name":"Core42 Lake Mariner","state":"NY","county":"Niagara County","orgIds":["core42","g42","google","niagara-mohawk-power-corp"],"iso":"NYISO","utilities":["niagara-mohawk-power-corp"],"id":"epoch-core42-lake-mariner:phase_operational:2025-10-01:epoch-ai-data-centers","date":"2025-10-01","kind":"milestone","milestone":"phase_operational","description":"Building 1 is operational. Based on Terawulf [saying](https://investors.terawulf.com/news-events/press-releases/detail/126/terawulf-reports-third-quarter-2025-results) \"As of September 30, 2025, the site has energized 245 MW of Bitcoin-mining capacity and 22.5 MW of HPC capacity.\" The small \"Wulf Den\" building was [said](https://investors.terawulf.com/news-events/press-releases/detail/99/terawulf-to-deliver-over-70-mw-of-data-center) to be 2 MW of IT power while CB-1 would be 16 MW. This is roughly consistent with 22.5 MW of total facility power. This building is [leased](https://investors.terawulf.com/news-events/press-releases/detail/99/terawulf-to-deliver-over-70-mw-of-data-center) to Core42, a subsidiary of UAE-based G42. It likely uses NVIDIA DGX B200 servers.","sourceId":"epoch-ai-data-centers","evidenceLevel":"estimated","text":"New capacity online: Building 1 is operational. Based on Terawulf saying \"As of September 30, 2025, the site has energized 245 MW of Bitcoin-mining capacity and 22.5 MW of HPC capacity.\" The small \"Wulf Den\" building was said to be 2 MW o…","url":"https://datacenters.prithvidixit.com/facilities/core42-lake-mariner-barker-ny","source":{"id":"epoch-ai-data-centers","title":"AI data centers (Frontier Data Centers Hub)","publisher":"Epoch AI","url":"https://epoch.ai/data/ai-data-centers","license":"CC BY 4.0","retrievedAt":"2026-10-12"}}],"meta":{"total":3,"limit":100,"offset":0,"dataAsOf":"2026-10-12"},"attribution":{"license":"Open Database License (ODbL) 1.0 for the compiled database; individual sources keep their own terms (see sources[].license).","credit":["© OpenStreetMap contributors (ODbL 1.0) — https://www.openstreetmap.org/copyright","Epoch AI, 'AI data centers'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/data/ai-data-centers' (CC BY 4.0)","Datacenter Source — https://datacenters.prithvidixit.com"],"terms":"/api#license","note":"Every figure links to its source. MW totals are floors (most facilities don't disclose power). Evidence levels: confirmed / announced / estimated — see /sources#evidence-levels."}}