{"data":[{"facilityId":"epoch-anthropic-lake-mariner","slug":"anthropic-lake-mariner-barker-ny","name":"Anthropic Lake Mariner","state":"NY","county":"Niagara County","orgIds":["ai-xpv","anthropic","google","blackstone","niagara-mohawk-power-corp"],"iso":"NYISO","utilities":["niagara-mohawk-power-corp"],"id":"epoch-anthropic-lake-mariner:power.it_mw:epoch-ai-data-centers:2026-10-31","date":"2026-10-31","kind":"value","field":"power.it_mw","before":42,"after":210,"sourceId":"epoch-ai-data-centers","evidenceLevel":"estimated","text":"Current IT capacity: 42 MW → 210 MW","url":"https://datacenters.prithvidixit.com/facilities/anthropic-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":"2026-11-02"}},{"facilityId":"epoch-anthropic-lake-mariner","slug":"anthropic-lake-mariner-barker-ny","name":"Anthropic Lake Mariner","state":"NY","county":"Niagara County","orgIds":["ai-xpv","anthropic","google","blackstone","niagara-mohawk-power-corp"],"iso":"NYISO","utilities":["niagara-mohawk-power-corp"],"id":"epoch-anthropic-lake-mariner:power.facility_mw:epoch-ai-data-centers:2026-10-31","date":"2026-10-31","kind":"value","field":"power.facility_mw","before":49,"after":245,"sourceId":"epoch-ai-data-centers","evidenceLevel":"estimated","text":"Current facility power: 49 MW → 245 MW","url":"https://datacenters.prithvidixit.com/facilities/anthropic-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":"2026-11-02"}},{"facilityId":"epoch-anthropic-lake-mariner","slug":"anthropic-lake-mariner-barker-ny","name":"Anthropic Lake Mariner","state":"NY","county":"Niagara County","orgIds":["ai-xpv","anthropic","google","blackstone","niagara-mohawk-power-corp"],"iso":"NYISO","utilities":["niagara-mohawk-power-corp"],"id":"epoch-anthropic-lake-mariner:compute.h100e:epoch-ai-data-centers:2026-10-31","date":"2026-10-31","kind":"value","field":"compute.h100e","before":58600,"after":292800,"sourceId":"epoch-ai-data-centers","evidenceLevel":"estimated","text":"Compute (H100-equivalents): 58,600 → 292,800","url":"https://datacenters.prithvidixit.com/facilities/anthropic-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":"2026-11-02"}},{"facilityId":"epoch-anthropic-lake-mariner","slug":"anthropic-lake-mariner-barker-ny","name":"Anthropic Lake Mariner","state":"NY","county":"Niagara County","orgIds":["ai-xpv","anthropic","google","blackstone","niagara-mohawk-power-corp"],"iso":"NYISO","utilities":["niagara-mohawk-power-corp"],"id":"epoch-anthropic-lake-mariner:re.capex_usd_b:epoch-ai-data-centers:2026-10-31","date":"2026-10-31","kind":"value","field":"re.capex_usd_b","before":1.6,"after":8,"sourceId":"epoch-ai-data-centers","evidenceLevel":"estimated","text":"Capital cost / investment: $1.6B → $8B","url":"https://datacenters.prithvidixit.com/facilities/anthropic-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":"2026-11-02"}},{"facilityId":"epoch-anthropic-lake-mariner","slug":"anthropic-lake-mariner-barker-ny","name":"Anthropic Lake Mariner","state":"NY","county":"Niagara County","orgIds":["ai-xpv","anthropic","google","blackstone","niagara-mohawk-power-corp"],"iso":"NYISO","utilities":["niagara-mohawk-power-corp"],"id":"epoch-anthropic-lake-mariner:size.buildings_operational:epoch-ai-data-centers:2026-10-31","date":"2026-10-31","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/anthropic-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":"2026-11-02"}},{"facilityId":"epoch-anthropic-lake-mariner","slug":"anthropic-lake-mariner-barker-ny","name":"Anthropic Lake Mariner","state":"NY","county":"Niagara County","orgIds":["ai-xpv","anthropic","google","blackstone","niagara-mohawk-power-corp"],"iso":"NYISO","utilities":["niagara-mohawk-power-corp"],"id":"epoch-anthropic-lake-mariner:phase_operational:2026-10-31:epoch-ai-data-centers","date":"2026-10-31","kind":"milestone","milestone":"phase_operational","description":"Building 2 (AKA CB4) 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 CB4 was expected to be energized by Q3 2026.","sourceId":"epoch-ai-data-centers","evidenceLevel":"estimated","text":"New capacity online: Building 2 (AKA CB4) is operational. On February 26, Terawulf stated that CB4 was expected to be energized by Q3 2026.","url":"https://datacenters.prithvidixit.com/facilities/anthropic-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":"2026-11-02"}}],"meta":{"total":6,"limit":100,"offset":0,"dataAsOf":"2026-11-09"},"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."}}