{ "schema_version": 1, "source_compilation_context": { "pa": { "attribution": { "inventory": { "name": "Compute Atlas", "creator": "Edward Kubiak", "url": "https://www.compute-atlas.com/api", "license": "CC BY 4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "snapshot_url": "https://www.compute-atlas.com/api/facilities", "retrieved": "2026-10-14", "sha256": "79ad432dab7c128e428234c9d0dd40933114b415a4a5d697db00095637d50f37", "changes": "Added provenance, publication-date distinctions, display-safe wording, quarantine flags and state partitioning. Original source records retained locally." }, "counties": "U.S. Census Bureau county boundaries (public domain)", "research": "Field-specific source context. See the linked source and limits on each record." }, "source_data_url": "https://datacentersatlas.com/data/pa.json", "updated": "2026-10-24" } }, "scope": "Retained county context, which can be broad or unresolved. No parcel or municipal jurisdiction is inferred. Research records retain their sources, dates and location limits. Counts are not a census of operating buildings. Company name links alone do not establish ownership or operation.", "collection": { "kind": "counties", "key": "42063", "label": "Indiana County, Pennsylvania" }, "records": [ { "id": "homer-city-energy-campus-pa", "state": "pa", "kind": "facility", "name": "Homer City Energy Campus", "group": "unknown", "status": "Status unclear", "raw_status": "", "status_field": "", "crypto": false, "type": "Data center (inventory classification)", "counties": [ "Indiana" ], "city": "Homer City", "address": "", "who": "", "end_user": "", "mw": null, "power": "", "power_note": "", "investment": "", "jobs": "", "acres": null, "utility": "", "water": "", "incentives": "", "note": "Manual source context is available for this inherited inventory record. The inventory label and approximate geography are retained for discovery. This is not certification of current operation, ownership, a separate physical building, technical capacity or a precise parcel. Missing fields remain unknown. Homer City redevelopment site and agency permit index. 2GW is decommissioned coal generation, not proposed IT capacity. Air-permit and demolition indexes do not establish completed new natural-gas plant or operational data-center buildings. No blanket environmental clearance from one listed permit. Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building.", "date": "", "events": [ [ "2025-11-18", "Pennsylvania DEP issued its Homer City plan approval comment response document dated November 18, 2025. It expressly distinguishes the generating station authorization from any data center authorization. This records the dated agency document, not a data center approval or opening." ] ], "timeline": [], "opened": "", "tier": "", "sources": [ { "url": "https://www.pa.gov/agencies/dep/dep-regions/northwest-regional-office/homer-city-generation-redevelopment", "host": "pa.gov", "date": "", "published": "", "checked": "2026-10-14", "date_kind": "publication date not established", "label": "Reviewed source" }, { "url": "https://files.dep.state.pa.us/RegionalResources/NWRO/NWROPortalFiles/Homer-City/Air/Final-AQ-Plan-Approval/Final%20Comment%20Response%20Document%2020251118.pdf", "host": "files.dep.state.pa.us", "published": "2025-11-18", "date": "2025-11-18", "checked": "2026-10-23", "label": "Reviewed government record" }, { "url": "https://files.dep.state.pa.us/RegionalResources/NWRO/NWROPortalFiles/Homer-City/Air/Final-AQ-Title-V/Final%20Comment%20Response%20Document%20-%20Homer%20City%20TVOP%20Renewal%2032-00055%20260226.pdf", "host": "files.dep.state.pa.us", "published": "2026-02-26", "date": "2026-02-26", "checked": "2026-10-23", "label": "Reviewed government record" } ], "loc": { "lat": 40.65183, "lng": -79.08768, "precision": "county", "basis": "Shown at county level only. The dot is placed inside the county for the map and is not the site, its address or a parcel." }, "reviewed_evidence": [ { "overlay": "government-primary-review-round7-2026-10-14.json", "scope": "Homer City redevelopment site and agency permit index", "fields": { "agency_page_updated": "2026-10-05", "published_site_address": "1750 Powerplant Road,HomerCity,PA15748", "published_municipality_county": "Center Township,IndianaCounty,Pennsylvania", "redevelopment_site_acres_min_exclusive": 3200, "former_coal_generation_gw": 2, "former_coal_plant_ceased_operations_year": 2023, "listed_air_plan_approval_date": "2025-11-18", "listed_titlev_renewal_date": "2026-02-26" }, "notes": [ "2GW is decommissioned coal generation, not proposed IT capacity. Air-permit and demolition indexes do not establish completed new natural-gas plant or operational data-center buildings. No blanket environmental clearance from one listed permit.", "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building." ], "sources": [ { "url": "https://www.pa.gov/agencies/dep/dep-regions/northwest-regional-office/homer-city-generation-redevelopment", "host": "pa.gov", "date": "", "published": "", "checked": "2026-10-14", "date_kind": "publication date not established", "label": "Reviewed source" } ], "whole_record_certified": false }, { "overlay": "Codex 3 research cohort 27", "scope": "Pennsylvania DEP November 18, 2025 comment response explicitly states that air plan approval 32 00457A authorizes a natural gas electrical generating station and does not authorize data center construction or operation. The agency described possible adjacent data center use without a confirmed specific use in that reviewed record. The separate February 26, 2026 Title V renewal response concerns legacy coal cessation, removal of unused sources and remaining source conditions, not a finding that a new data center is operating. Demolition, blasting and power plant permits on the current agency index do not establish a data center physical phase. Current exact data center stage remains unclear.", "fields": { "current_stage_evidence": { "outcome": "power_generation_approval_and_legacy_permit_not_data_center_authorization", "scope": "Pennsylvania DEP November 18, 2025 comment response explicitly states that air plan approval 32 00457A authorizes a natural gas electrical generating station and does not authorize data center construction or operation. The agency described possible adjacent data center use without a confirmed specific use in that reviewed record. The separate February 26, 2026 Title V renewal response concerns legacy coal cessation, removal of unused sources and remaining source conditions, not a finding that a new data center is operating. Demolition, blasting and power plant permits on the current agency index do not establish a data center physical phase. Current exact data center stage remains unclear." }, "source_read_scope": { "november_document_pdf_cover_and_pages_visually_read": [ 1, 14, 49 ], "november_document_sections_are_bounded_not_complete_63_page_audit": true, "february_document_project_description_page_read": 2, "power_generation_not_data_center_permit": true, "coal_cessation_not_new_hpc_commissioning": true } }, "notes": [ "Pennsylvania DEP November 18, 2025 comment response explicitly states that air plan approval 32 00457A authorizes a natural gas electrical generating station and does not authorize data center construction or operation. The agency described possible adjacent data center use without a confirmed specific use in that reviewed record. The separate February 26, 2026 Title V renewal response concerns legacy coal cessation, removal of unused sources and remaining source conditions, not a finding that a new data center is operating. Demolition, blasting and power plant permits on the current agency index do not establish a data center physical phase. Current exact data center stage remains unclear.", "The review preserves existing identity, roles, locations, jurisdictions, quantities and physical opening fields. Source publication, checked dates and physical milestones remain distinct." ], "sources": [ { "url": "https://www.pa.gov/agencies/dep/dep-regions/northwest-regional-office/homer-city-generation-redevelopment", "host": "www.pa.gov", "published": "", "date": "", "checked": "2026-10-23", "label": "Reviewed government record" }, { "url": "https://files.dep.state.pa.us/RegionalResources/NWRO/NWROPortalFiles/Homer-City/Air/Final-AQ-Plan-Approval/Final%20Comment%20Response%20Document%2020251118.pdf", "host": "files.dep.state.pa.us", "published": "2025-11-18", "date": "2025-11-18", "checked": "2026-10-23", "label": "Reviewed government record" }, { "url": "https://files.dep.state.pa.us/RegionalResources/NWRO/NWROPortalFiles/Homer-City/Air/Final-AQ-Title-V/Final%20Comment%20Response%20Document%20-%20Homer%20City%20TVOP%20Renewal%2032-00055%20260226.pdf", "host": "files.dep.state.pa.us", "published": "2026-02-26", "date": "2026-02-26", "checked": "2026-10-23", "label": "Reviewed government record" } ], "checked": "2026-10-23", "whole_record_certified": false } ], "manual_source_reviewed": true, "whole_record_certified": false, "field_evidence_present": true, "inventory_label_retained": true, "precision_label": "Exact site not published; shown at county level", "summary": "Homer City · Indiana · Source context reviewed", "event_evidence": [ { "date": "2025-11-18", "text": "Pennsylvania DEP issued its Homer City plan approval comment response document dated November 18, 2025. It expressly distinguishes the generating station authorization from any data center authorization. This records the dated agency document, not a data center approval or opening.", "kind": "announced", "sources": [ { "url": "https://files.dep.state.pa.us/RegionalResources/NWRO/NWROPortalFiles/Homer-City/Air/Final-AQ-Plan-Approval/Final%20Comment%20Response%20Document%2020251118.pdf", "host": "files.dep.state.pa.us", "published": "2025-11-18", "date": "2025-11-18", "checked": "2026-10-23", "label": "Reviewed government record" } ] } ], "location_display": { "policy": "reviewed-map-references-2026-10-23", "decision": "withheld_unreviewed_point", "scope": "The available point evidence does not establish a supported site location. No site pin, nearby distance or aerial destination is published. The original coordinate and its provenance remain in research history.", "county_display": "42063" } } ], "compilation_license": "withheld_pending_owner_decision" }