{ "schema_version": 1, "source_compilation_context": { "sd": { "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/sd.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": "46089", "label": "McPherson County, South Dakota" }, "records": [ { "id": "leola-data-center-mcpherson-county-sd", "state": "sd", "kind": "facility", "name": "Leola Data Center", "group": "unknown", "status": "Status unclear", "raw_status": "", "status_field": "", "crypto": false, "type": "Data center (inventory classification)", "counties": [ "McPherson" ], "city": "Leola", "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. Leola proposed project and unsigned county action form. Application and preliminary design do not prove a granted CUP, operation, AI conversion or a completion date. Four building areas are each 4080 square feet, not the entire 20-acre site. One-year expiry clause depends on an actual approval date, which is absent here. Transformer kVA and individual server wattage are separate equipment ratings. Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building.", "date": "", "events": [ [ "2024-08-05", "The original South Dakota PUC Leola service agreement index identifies August 5, 2024 as its filing day. This is a regulatory filing date without independently verified final service approval, delivered energy or computing operation." ] ], "timeline": [], "opened": "", "tier": "", "sources": [ { "url": "https://puc.sd.gov/commission/dockets/electric/2024/EL24-027/CondUsePermit.pdf", "host": "puc.sd.gov", "date": "2024-11-07", "published": "2024-11-07", "checked": "2026-10-14", "date_kind": "publication", "label": "Reviewed source" }, { "url": "https://puc.sd.gov/Dockets/Electric/2024/EL24-028.aspx", "host": "puc.sd.gov", "published": "", "date": "", "checked": "2026-10-24", "label": "Reviewed government record" } ], "loc": { "lat": 45.76634, "lng": -99.22124, "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": "Leola proposed project and unsigned county action form", "fields": { "applicant": "Leola Data Center LLC", "published_site_address": "11641 358th Avenue, Leola, South Dakota 57456", "county": "McPherson, South Dakota", "supplement_date": "2024-11-07", "proposed_capacity_mw": 50, "power_basis": "data-center project capacity; not explicitly critical IT", "site_acres": 20, "proposed_developed_acres_approx": 2, "proposed_server_buildings": 4, "proposed_area_per_server_building_sqft": 4080, "approval_status_in_document": "approval and denial fields blank" }, "notes": [ "Application and preliminary design do not prove a granted CUP, operation, AI conversion or a completion date. Four building areas are each 4080 square feet, not the entire 20-acre site. One-year expiry clause depends on an actual approval date, which is absent here. Transformer kVA and individual server wattage are separate equipment ratings.", "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building." ], "sources": [ { "url": "https://puc.sd.gov/commission/dockets/electric/2024/EL24-027/CondUsePermit.pdf", "host": "puc.sd.gov", "date": "2024-11-07", "published": "2024-11-07", "checked": "2026-10-14", "date_kind": "publication", "label": "Reviewed source" } ], "whole_record_certified": false }, { "overlay": "Codex 3 research cohort 72", "scope": "Selected original application pages describe a preliminary Leola computing proposal and a November 7, 2024 supplement. The application form and its title do not independently establish final Board action, actual construction or computing operation. The current original utility docket still displays Pending and lists later September and October 2026 filings without an independently read final service approval. Intervenor decisions are not computing commissioning. No confidential material, exact current physical stage, approved capacity or calculated permit expiration is inferred.", "fields": { "current_stage_evidence": { "outcome": "public_application_and_pending_service_case_current_physical_stage_held", "scope": "Selected original application pages describe a preliminary Leola computing proposal and a November 7, 2024 supplement. The application form and its title do not independently establish final Board action, actual construction or computing operation. The current original utility docket still displays Pending and lists later September and October 2026 filings without an independently read final service approval. Intervenor decisions are not computing commissioning. No confidential material, exact current physical stage, approved capacity or calculated permit expiration is inferred." }, "source_read_scope": { "original_ten_page_application_selected_physical_pages1_2_3_read": true, "complete_original_current_utility_docket_body_read": true, "application_title_not_final_permit": true, "late_2026_filings_not_final_service_order": true, "no_confidential_material_or_calculated_expiry": true } }, "notes": [ "Selected original application pages describe a preliminary Leola computing proposal and a November 7, 2024 supplement. The application form and its title do not independently establish final Board action, actual construction or computing operation. The current original utility docket still displays Pending and lists later September and October 2026 filings without an independently read final service approval. Intervenor decisions are not computing commissioning. No confidential material, exact current physical stage, approved capacity or calculated permit expiration is inferred.", "Existing roles, identities, physical placement, jurisdiction assignments, technical quantities and exact first opening days remain unchanged. A document date does not date physical commissioning." ], "sources": [ { "url": "https://puc.sd.gov/commission/dockets/electric/2024/EL24-027/CondUsePermit.pdf", "host": "puc.sd.gov", "published": "", "date": "", "checked": "2026-10-24", "label": "Reviewed government record" }, { "url": "https://puc.sd.gov/Dockets/Electric/2024/EL24-028.aspx", "host": "puc.sd.gov", "published": "", "date": "", "checked": "2026-10-24", "label": "Reviewed government record" } ], "checked": "2026-10-24", "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": "Leola · McPherson · Source context reviewed", "event_evidence": [ { "date": "2024-08-05", "text": "The original South Dakota PUC Leola service agreement index identifies August 5, 2024 as its filing day. This is a regulatory filing date without independently verified final service approval, delivered energy or computing operation.", "kind": "announced", "sources": [ { "url": "https://puc.sd.gov/Dockets/Electric/2024/EL24-028.aspx", "host": "puc.sd.gov", "published": "", "date": "", "checked": "2026-10-24", "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": "46089" } } ], "compilation_license": "withheld_pending_owner_decision" }