{ "schema_version": 1, "source_compilation_context": { "wi": { "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/wi.json", "updated": "2026-10-25" } }, "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": "55101", "label": "Racine County, Wisconsin" }, "records": [ { "id": "microsoft-mount-pleasant-wi", "state": "wi", "kind": "facility", "name": "Microsoft Mount Pleasant Data Center Campus", "group": "operating", "status": "Operating phase", "raw_status": "partly operating", "status_field": "current_status", "crypto": false, "type": "Data center (inventory classification)", "counties": [ "Racine" ], "city": "Mount Pleasant", "address": "", "who": "Microsoft", "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. Field or source context only. Completionnotexactcommissioningdate. Final2027fundinguseawaitsbudgetapproval; redirectedpaymentnotnewautomaticannualsiteinvestment. Do not assign550+campusemployees to eachbuilding. VillageSeptember28reportestablishesfirstbuildingcompletedSummer2026;secondconstructionexpected2028;additionalcampusplanspreliminary. Only the listed fields were checked; imported geography, current operation, capacity and incentives require their own evidence. Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building.", "date": "", "events": [ [ "2026-06-23", "Microsoft published its first Mount Pleasant facility operating announcement on June 23, 2026. It separately reports equipment startup activities during April. June 23 is the release date, not a manufactured exact opening day or completion of every campus phase." ] ], "timeline": [], "opened": "", "tier": "", "sources": [ { "url": "https://www.mtpleasantwi.gov/m/newsflash/home/detail/639", "host": "mtpleasantwi.gov", "date": "2026-09-28", "published": "2026-09-28", "checked": "2026-10-14", "date_kind": "publication", "label": "Reviewed source" }, { "url": "https://news.microsoft.com/source/2026/06/23/microsoft-completes-construction-on-first-datacenter-facility-in-mount-pleasant-wisconsin/", "host": "news.microsoft.com", "published": "2026-06-23", "date": "2026-06-23", "checked": "2026-10-22", "label": "Reviewed operator source" } ], "loc": { "lat": 42.74745, "lng": -88.06152, "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": "field-verification-2026-10-14.json", "scope": "Field or source context only", "fields": { "city": "Mount Pleasant", "county": "Racine", "first_building_completed": "2026 summer", "second_building_status": "under construction", "second_building_completion_forecast": "2028", "campus_employees_min": 550, "annual_incentive_redirect_usd": 5000000, "village_share_usd": 4900000, "rcedc_share_usd": 100000 }, "notes": [ "Completionnotexactcommissioningdate.", "Final2027fundinguseawaitsbudgetapproval; redirectedpaymentnotnewautomaticannualsiteinvestment.", "Do not assign550+campusemployees to eachbuilding.", "VillageSeptember28reportestablishesfirstbuildingcompletedSummer2026;secondconstructionexpected2028;additionalcampusplanspreliminary.", "Only the listed fields were checked; imported geography, current operation, capacity and incentives require their own evidence.", "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building." ], "sources": [ { "url": "https://www.mtpleasantwi.gov/m/newsflash/home/detail/639", "host": "mtpleasantwi.gov", "date": "2026-09-28", "published": "2026-09-28", "checked": "2026-10-14", "date_kind": "publication", "label": "Reviewed source" } ], "whole_record_certified": false }, { "overlay": "Codex 3 research cohort 13", "scope": "Microsoft explicitly says its first Mount Pleasant Fairwater facility is fully operational in its June 23, 2026 release. Operating phase describes that first facility only. Equipment startup activities in April are separate from the June announcement and from future campus phases. No exact physical opening day, total campus completion or assignment of every regional investment to this first facility is adopted.", "fields": { "current_stage_evidence": { "outcome": "operator_reported_first_facility_operation", "scope": "Microsoft explicitly says its first Mount Pleasant Fairwater facility is fully operational in its June 23, 2026 release. Operating phase describes that first facility only. Equipment startup activities in April are separate from the June announcement and from future campus phases. No exact physical opening day, total campus completion or assignment of every regional investment to this first facility is adopted." }, "phase_and_date_scope": { "reported_operating_component": "first Mount Pleasant facility", "startup_period_reported": "April 2026", "release_date": "2026-06-23", "exact_opening_day_established": false, "all_campus_phases_complete": false } }, "notes": [ "Microsoft explicitly says its first Mount Pleasant Fairwater facility is fully operational in its June 23, 2026 release. Operating phase describes that first facility only. Equipment startup activities in April are separate from the June announcement and from future campus phases. No exact physical opening day, total campus completion or assignment of every regional investment to this first facility is adopted.", "The review preserves existing physical identity, locations, roles, quantities and opening fields. Document and source check dates remain separate from physical milestones." ], "sources": [ { "url": "https://news.microsoft.com/source/2026/06/23/microsoft-completes-construction-on-first-datacenter-facility-in-mount-pleasant-wisconsin/", "host": "news.microsoft.com", "published": "2026-06-23", "date": "2026-06-23", "checked": "2026-10-22", "label": "Reviewed operator source" } ], "checked": "2026-10-22", "whole_record_certified": false }, { "overlay": "Company role source check60, October24,2026", "scope": "Microsoft reports its first Mount Pleasant facility operational in the June23,2026 release, while identifying the adjacent second facility as still under construction. The operator role is bounded to the existing first facility; this does not make the whole campus complete or the2028 expansion forecast an outcome. Regional spending and employment totals are not adopted as facility figures. The previously empty company field is filled only from this explicit provider identity. Existing status, location, address, county, quantities, dates and component identity remain exact. A street in the account does not newly admit a location, parcel or roof. Publication and modification dates are not construction milestones. No personal contact or resident names are retained.", "fields": { "company_association": { "name": "Microsoft", "role": "operator", "identity_scope": "provider_brand_only", "scope": "Microsoft reports its first Mount Pleasant facility operational in the June23,2026 release, while identifying the adjacent second facility as still under construction. The operator role is bounded to the existing first facility; this does not make the whole campus complete or the2028 expansion forecast an outcome. Regional spending and employment totals are not adopted as facility figures. The previously empty company field is filled only from this explicit provider identity. Existing status, location, address, county, quantities, dates and component identity remain exact. A street in the account does not newly admit a location, parcel or roof. Publication and modification dates are not construction milestones. No personal contact or resident names are retained." }, "provider_role": "operator" }, "notes": [ "Microsoft reports its first Mount Pleasant facility operational in the June23,2026 release, while identifying the adjacent second facility as still under construction. The operator role is bounded to the existing first facility; this does not make the whole campus complete or the2028 expansion forecast an outcome. Regional spending and employment totals are not adopted as facility figures. The previously empty company field is filled only from this explicit provider identity. Existing status, location, address, county, quantities, dates and component identity remain exact. A street in the account does not newly admit a location, parcel or roof. Publication and modification dates are not construction milestones. No personal contact or resident names are retained." ], "sources": [ { "url": "https://news.microsoft.com/source/2026/06/23/microsoft-completes-construction-on-first-datacenter-facility-in-mount-pleasant-wisconsin/", "host": "news.microsoft.com", "published": "2026-06-23", "date": "2026-06-23", "checked": "2026-10-24", "label": "Reviewed operator source" } ], "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": "Mount Pleasant · Racine · Source context reviewed", "status_scope": "Microsoft explicitly says its first Mount Pleasant Fairwater facility is fully operational in its June 23, 2026 release. Operating phase describes that first facility only. Equipment startup activities in April are separate from the June announcement and from future campus phases. No exact physical opening day, total campus completion or assignment of every regional investment to this first facility is adopted.", "event_evidence": [ { "date": "2026-06-23", "text": "Microsoft published its first Mount Pleasant facility operating announcement on June 23, 2026. It separately reports equipment startup activities during April. June 23 is the release date, not a manufactured exact opening day or completion of every campus phase.", "kind": "announced", "sources": [ { "url": "https://news.microsoft.com/source/2026/06/23/microsoft-completes-construction-on-first-datacenter-facility-in-mount-pleasant-wisconsin/", "host": "news.microsoft.com", "published": "2026-06-23", "date": "2026-06-23", "checked": "2026-10-22", "label": "Reviewed operator source" } ] } ], "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": "55101" } }, { "id": "microsoft-project-nova-caledonia-wi", "state": "wi", "kind": "facility", "name": "Project Nova Data Center Campus (Caledonia)", "group": "stopped", "status": "Operator ended site proposal", "raw_status": "stopped", "status_field": "current_status", "crypto": false, "type": "Data center (inventory classification)", "counties": [ "Racine" ], "city": "Caledonia", "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. Personally read public named-source context only; no whole-record certification. See public-preview, identity and date limitations.. The expected 2025 board date is not a 2026 event and is not an observed final approval. Mount Pleasant's four-billion-USD project is separate. Caledonia employment and fiscal benefits are projections. Not being in a TIF district does not independently prove the absence of all state or other incentives. Original approvals and later observed outcomes take precedence; future dates have no assumed result. Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building.", "date": "", "events": [ [ "2025-10-10", "Microsoft dated its Caledonia site project update October 10, 2025, saying it would not proceed with that particular site while continuing regional site work. This is the dated company update, not an exact legal withdrawal day, a physical facility shutdown or the closure of other Racine projects." ] ], "timeline": [], "opened": "", "tier": "", "sources": [ { "url": "https://www.wpr.org/news/caledonia-rezoning-microsoft-data-center-wisconsin", "host": "wpr.org", "date": "2025-09-30", "published": "2025-09-30", "checked": "2026-10-14", "date_kind": "publication", "label": "Reviewed source" }, { "url": "https://local.microsoft.com/blog/understanding-microsoft-datacenters-in-racine-county/", "host": "local.microsoft.com", "published": "", "date": "", "checked": "2026-10-23", "label": "Reviewed operator source" }, { "url": "https://local.microsoft.com/wp-content/uploads/2025/09/202509_CaledoniaNeighborhoodMeeting_web.pdf", "host": "local.microsoft.com", "published": "", "date": "", "checked": "2026-10-23", "label": "Reviewed operator source" } ], "loc": { "lat": 42.75531, "lng": -88.0701, "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": "regional-development-review-round28-2026-10-14.json", "scope": "Personally read public named-source context only; no whole-record certification. See public-preview, identity and date limitations.", "fields": { "reported_context": "WPR reports a September 29 five-two Caledonia plan-commission recommendation on Microsoft's proposed 244-acre campus, with the village board expected to consider it October 14, 2025.", "independently_verified_current_operating_status": null }, "notes": [ "The expected 2025 board date is not a 2026 event and is not an observed final approval. Mount Pleasant's four-billion-USD project is separate. Caledonia employment and fiscal benefits are projections. Not being in a TIF district does not independently prove the absence of all state or other incentives.", "Original approvals and later observed outcomes take precedence; future dates have no assumed result.", "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building." ], "sources": [ { "url": "https://www.wpr.org/news/caledonia-rezoning-microsoft-data-center-wisconsin", "host": "wpr.org", "date": "2025-09-30", "published": "2025-09-30", "checked": "2026-10-14", "date_kind": "publication", "label": "Reviewed source" } ], "whole_record_certified": false }, { "overlay": "Codex 3 research cohort 20", "scope": "Microsoft October 10, 2025 Caledonia update says it decided not to proceed with that particular site and would seek another suitable site with local leaders. Operator ended site proposal describes that specific development decision, not an operating shutdown or withdrawal from every Racine County project. Linked original September 24, 2025 company meeting boards identify Project Nova as the Douglas Avenue Assemblage. The later decision supersedes the earlier planning description for that site. No exact decision day, replacement site, government permit outcome or physical closure is inferred.", "fields": { "current_stage_evidence": { "outcome": "operator_ended_named_site_proposal_not_regional_exit_or_operating_shutdown", "scope": "Microsoft October 10, 2025 Caledonia update says it decided not to proceed with that particular site and would seek another suitable site with local leaders. Operator ended site proposal describes that specific development decision, not an operating shutdown or withdrawal from every Racine County project. Linked original September 24, 2025 company meeting boards identify Project Nova as the Douglas Avenue Assemblage. The later decision supersedes the earlier planning description for that site. No exact decision day, replacement site, government permit outcome or physical closure is inferred." }, "identity_and_date_scope": { "company_update_on": "2025-10-10", "exact_decision_day_not_established": true, "company_meeting_boards_on": "2025-09-24", "meeting_boards_page_visually_read": 10, "board_label": "Project Nova Douglas Avenue Assemblage", "other_racine_campuses_separate": true, "no_location_or_provider_role_change": true } }, "notes": [ "Microsoft October 10, 2025 Caledonia update says it decided not to proceed with that particular site and would seek another suitable site with local leaders. Operator ended site proposal describes that specific development decision, not an operating shutdown or withdrawal from every Racine County project. Linked original September 24, 2025 company meeting boards identify Project Nova as the Douglas Avenue Assemblage. The later decision supersedes the earlier planning description for that site. No exact decision day, replacement site, government permit outcome or physical closure is inferred.", "The review preserves existing physical identity, locations, roles, quantities and opening fields. Source issue dates, review checks and physical milestones remain distinct." ], "sources": [ { "url": "https://local.microsoft.com/blog/understanding-microsoft-datacenters-in-racine-county/", "host": "local.microsoft.com", "published": "", "date": "", "checked": "2026-10-23", "label": "Reviewed operator source" }, { "url": "https://local.microsoft.com/wp-content/uploads/2025/09/202509_CaledoniaNeighborhoodMeeting_web.pdf", "host": "local.microsoft.com", "published": "", "date": "", "checked": "2026-10-23", "label": "Reviewed operator source" } ], "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": "Caledonia · Racine · Source context reviewed", "status_scope": "Microsoft October 10, 2025 Caledonia update says it decided not to proceed with that particular site and would seek another suitable site with local leaders. Operator ended site proposal describes that specific development decision, not an operating shutdown or withdrawal from every Racine County project. Linked original September 24, 2025 company meeting boards identify Project Nova as the Douglas Avenue Assemblage. The later decision supersedes the earlier planning description for that site. No exact decision day, replacement site, government permit outcome or physical closure is inferred.", "event_evidence": [ { "date": "2025-10-10", "text": "Microsoft dated its Caledonia site project update October 10, 2025, saying it would not proceed with that particular site while continuing regional site work. This is the dated company update, not an exact legal withdrawal day, a physical facility shutdown or the closure of other Racine projects.", "kind": "announced", "sources": [ { "url": "https://local.microsoft.com/blog/understanding-microsoft-datacenters-in-racine-county/", "host": "local.microsoft.com", "published": "", "date": "", "checked": "2026-10-23", "label": "Reviewed operator source" } ] } ], "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": "55101" } } ], "compilation_license": "withheld_pending_owner_decision" }