{"data":[{"facilityId":"epoch-microsoft-sat40","slug":"microsoft-sat40-san-antonio-tx","name":"Microsoft SAT40","state":"TX","county":"Bexar County","orgIds":["microsoft","medina-electric-coop-inc"],"iso":"ERCOT","utilities":["medina-electric-coop-inc"],"id":"epoch-microsoft-sat40:status:epoch-ai-data-centers:2026-02-04","date":"2026-02-04","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/microsoft-sat40-san-antonio-tx","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-microsoft-sat40","slug":"microsoft-sat40-san-antonio-tx","name":"Microsoft SAT40","state":"TX","county":"Bexar County","orgIds":["microsoft","medina-electric-coop-inc"],"iso":"ERCOT","utilities":["medina-electric-coop-inc"],"id":"epoch-microsoft-sat40:power.it_mw:epoch-ai-data-centers:2025-12-01","date":"2025-12-01","kind":"value","field":"power.it_mw","before":47,"after":75,"sourceId":"epoch-ai-data-centers","evidenceLevel":"estimated","text":"Current IT capacity: 47 MW → 75 MW","url":"https://datacenters.prithvidixit.com/facilities/microsoft-sat40-san-antonio-tx","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-microsoft-sat40","slug":"microsoft-sat40-san-antonio-tx","name":"Microsoft SAT40","state":"TX","county":"Bexar County","orgIds":["microsoft","medina-electric-coop-inc"],"iso":"ERCOT","utilities":["medina-electric-coop-inc"],"id":"epoch-microsoft-sat40:power.facility_mw:epoch-ai-data-centers:2025-12-01","date":"2025-12-01","kind":"value","field":"power.facility_mw","before":66,"after":106,"sourceId":"epoch-ai-data-centers","evidenceLevel":"estimated","text":"Current facility power: 66 MW → 106 MW","url":"https://datacenters.prithvidixit.com/facilities/microsoft-sat40-san-antonio-tx","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-microsoft-sat40","slug":"microsoft-sat40-san-antonio-tx","name":"Microsoft SAT40","state":"TX","county":"Bexar County","orgIds":["microsoft","medina-electric-coop-inc"],"iso":"ERCOT","utilities":["medina-electric-coop-inc"],"id":"epoch-microsoft-sat40:size.buildings_operational:epoch-ai-data-centers:2025-12-01","date":"2025-12-01","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/microsoft-sat40-san-antonio-tx","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-microsoft-sat40","slug":"microsoft-sat40-san-antonio-tx","name":"Microsoft SAT40","state":"TX","county":"Bexar County","orgIds":["microsoft","medina-electric-coop-inc"],"iso":"ERCOT","utilities":["medina-electric-coop-inc"],"id":"epoch-microsoft-sat40:phase_operational:2025-12-01:epoch-ai-data-centers","date":"2025-12-01","kind":"milestone","milestone":"phase_operational","description":"Building 2 operational. No more construction on building, and surrounding roads are also complete.","sourceId":"epoch-ai-data-centers","evidenceLevel":"estimated","text":"New capacity online: Building 2 operational. No more construction on building, and surrounding roads are also complete.","url":"https://datacenters.prithvidixit.com/facilities/microsoft-sat40-san-antonio-tx","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-microsoft-sat40","slug":"microsoft-sat40-san-antonio-tx","name":"Microsoft SAT40","state":"TX","county":"Bexar County","orgIds":["microsoft","medina-electric-coop-inc"],"iso":"ERCOT","utilities":["medina-electric-coop-inc"],"id":"epoch-microsoft-sat40:size.buildings_operational:epoch-ai-data-centers:2024-05-24","date":"2024-05-24","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/microsoft-sat40-san-antonio-tx","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-microsoft-sat40","slug":"microsoft-sat40-san-antonio-tx","name":"Microsoft SAT40","state":"TX","county":"Bexar County","orgIds":["microsoft","medina-electric-coop-inc"],"iso":"ERCOT","utilities":["medina-electric-coop-inc"],"id":"epoch-microsoft-sat40:status:epoch-ai-data-centers:2024-05-24","date":"2024-05-24","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/microsoft-sat40-san-antonio-tx","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-microsoft-sat40","slug":"microsoft-sat40-san-antonio-tx","name":"Microsoft SAT40","state":"TX","county":"Bexar County","orgIds":["microsoft","medina-electric-coop-inc"],"iso":"ERCOT","utilities":["medina-electric-coop-inc"],"id":"epoch-microsoft-sat40:phase_operational:2024-05-24:epoch-ai-data-centers","date":"2024-05-24","kind":"milestone","milestone":"phase_operational","description":"Building 1 operational. Estimated 3 months out from February, when there was still construction equipment.","sourceId":"epoch-ai-data-centers","evidenceLevel":"estimated","text":"New capacity online: Building 1 operational. Estimated 3 months out from February, when there was still construction equipment.","url":"https://datacenters.prithvidixit.com/facilities/microsoft-sat40-san-antonio-tx","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":8,"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."}}