{"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:status:epoch-ai-data-centers:2026-07-23","date":"2026-07-23","kind":"value","field":"status","before":"expanding","after":"operating","sourceId":"epoch-ai-data-centers","evidenceLevel":"estimated","text":"Status: Operating + expanding → Operating","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:power.it_mw:epoch-ai-data-centers:2026-03-31","date":"2026-03-31","kind":"value","field":"power.it_mw","before":16,"after":58,"sourceId":"epoch-ai-data-centers","evidenceLevel":"estimated","text":"Current IT capacity: 16 MW → 58 MW","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:power.facility_mw:epoch-ai-data-centers:2026-03-31","date":"2026-03-31","kind":"value","field":"power.facility_mw","before":19,"after":58,"sourceId":"epoch-ai-data-centers","evidenceLevel":"estimated","text":"Current facility power: 19 MW → 58 MW","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:size.buildings_operational:epoch-ai-data-centers:2026-03-31","date":"2026-03-31","kind":"value","field":"size.buildings_operational","before":1,"after":2,"sourceId":"epoch-ai-data-centers","evidenceLevel":"estimated","text":"Buildings operational: 1 → 2","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:2026-03-31:epoch-ai-data-centers","date":"2026-03-31","kind":"milestone","milestone":"phase_operational","description":"Building 2 is operational. On February 26, Terawulf [stated](https://investors.terawulf.com/news-events/press-releases/detail/132/terawulf-reports-fourth-quarter-and-full-year-2025-results) that CB2A is operational, presumably making up half the final capacity. CB2B was expected in March 2026. However, it's notable that a drone video commissioned from [RAAD](https://raad.com/) showed no cooling fan movement on May 8th, suggesting it was not in use. 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 2 is operational. On February 26, Terawulf stated that CB2A is operational, presumably making up half the final capacity. CB2B was expected in March 2026. However, it's notable that a drone video commissioned…","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: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"}},{"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:construction_start:2024-10-01:epoch-ai-data-centers","date":"2024-10-01","kind":"milestone","milestone":"construction_start","description":"Land clearing begins for Building 1, also known as CB-1, the first large AI/HPC building on the site.","sourceId":"epoch-ai-data-centers","evidenceLevel":"estimated","text":"Construction started: Land clearing begins for Building 1, also known as CB-1, the first large AI/HPC building on the site.","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":9,"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."}}