{ "schema_version": 1, "source_compilation_context": { "ct": { "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/ct.json", "updated": "2026-10-26" } }, "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": "09180", "label": "Southeastern Connecticut Planning Region, Connecticut" }, "records": [ { "id": "ct-das-groton-data-center-ct", "state": "ct", "kind": "facility", "name": "State of Connecticut Groton Data Center (Pfizer campus Building 230)", "group": "operating", "status": "Reported service", "raw_status": "operating", "status_field": "current_status", "crypto": false, "type": "Data center (inventory classification)", "counties": [ "New London" ], "city": "Groton", "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. state government hosting service with two locations. Connecticut service uses one named facility outside Connecticut. Hartford office footer not hosting facility street. Tier description not independently reviewed certification, no site MW/area. Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building.", "date": "", "events": [ [ "2025-05-22", "The May 22, 2025 State Properties Review Board minutes record a DAS BITS project update for the Groton data center at Building 230. The update discusses continued use and a future timeline, not a new physical opening or a completed relocation." ] ], "timeline": [], "opened": "", "tier": "", "sources": [ { "url": "https://portal.ct.gov/das/best/platform-services/statewide-data-center-facilities", "host": "portal.ct.gov", "date": "", "published": "", "checked": "2026-10-14", "date_kind": "publication date not established", "label": "Reviewed source" }, { "url": "https://portal.ct.gov/das/-/media/das/state-properties-review-board/agendas-and-meetings/2025/2025-05-22mapp.pdf?rev=1c884d1c4b974a93ba45d0eefa1a0e43", "host": "portal.ct.gov", "published": "", "date": "", "checked": "2026-10-23", "label": "Reviewed government record" } ], "loc": { "lat": 41.50315, "lng": -72.10041, "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": "state government hosting service with two locations", "fields": { "state_hosting_locations": [ { "name": "GDC", "city": "Groton", "state": "Connecticut" }, { "name": "SDC", "city": "Springfield", "state": "Massachusetts" } ], "operator_described_resiliency": "TierII redundant data centers" }, "notes": [ "Connecticut service uses one named facility outside Connecticut. Hartford office footer not hosting facility street. Tier description not independently reviewed certification, no site MW/area.", "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building." ], "sources": [ { "url": "https://portal.ct.gov/das/best/platform-services/statewide-data-center-facilities", "host": "portal.ct.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 47", "scope": "The current DAS service page explicitly provides customer data center hosting in Groton. The May 22, 2025 Board minutes identify the DAS BITS data center at 445 Eastern Point Road Building 230 and describe continued use while a permanent solution is sought. Reported service uses the named current service and exact prior building crosswalk together. A lease extension and future timeline alone would not establish current operation.", "fields": { "current_stage_evidence": { "outcome": "current_government_service_with_exact_building_crosswalk", "scope": "The current DAS service page explicitly provides customer data center hosting in Groton. The May 22, 2025 Board minutes identify the DAS BITS data center at 445 Eastern Point Road Building 230 and describe continued use while a permanent solution is sought. Reported service uses the named current service and exact prior building crosswalk together. A lease extension and future timeline alone would not establish current operation." }, "source_read_scope": { "board_minutes_text_pages": [ 14 ], "unrelated_property_and_private_transaction_pages_not_adopted": true } }, "notes": [ "The current DAS service page explicitly provides customer data center hosting in Groton. The May 22, 2025 Board minutes identify the DAS BITS data center at 445 Eastern Point Road Building 230 and describe continued use while a permanent solution is sought. Reported service uses the named current service and exact prior building crosswalk together. A lease extension and future timeline alone would not establish current operation.", "Existing identities, provider roles, locations, jurisdiction, quantities and physical opening fields remain unchanged. Publication, administrative filing and withdrawal dates are not physical opening dates." ], "sources": [ { "url": "https://portal.ct.gov/das/best/platform-services/statewide-data-center-facilities", "host": "portal.ct.gov", "published": "", "date": "", "checked": "2026-10-23", "label": "Reviewed government record" }, { "url": "https://portal.ct.gov/das/-/media/das/state-properties-review-board/agendas-and-meetings/2025/2025-05-22mapp.pdf?rev=1c884d1c4b974a93ba45d0eefa1a0e43", "host": "portal.ct.gov", "published": "", "date": "", "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": "Groton · New London · Source context reviewed", "status_scope": "The current DAS service page explicitly provides customer data center hosting in Groton. The May 22, 2025 Board minutes identify the DAS BITS data center at 445 Eastern Point Road Building 230 and describe continued use while a permanent solution is sought. Reported service uses the named current service and exact prior building crosswalk together. A lease extension and future timeline alone would not establish current operation.", "event_evidence": [ { "date": "2025-05-22", "text": "The May 22, 2025 State Properties Review Board minutes record a DAS BITS project update for the Groton data center at Building 230. The update discusses continued use and a future timeline, not a new physical opening or a completed relocation.", "kind": "announced", "sources": [ { "url": "https://portal.ct.gov/das/-/media/das/state-properties-review-board/agendas-and-meetings/2025/2025-05-22mapp.pdf?rev=1c884d1c4b974a93ba45d0eefa1a0e43", "host": "portal.ct.gov", "published": "", "date": "", "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": "09180" } }, { "id": "ne-edge-millstone-ct", "state": "ct", "kind": "facility", "name": "NE Edge Millstone Nuclear Data Center", "group": "proposed", "status": "Announced proposal", "raw_status": "proposed", "status_field": "current_status", "crypto": false, "type": "Data center (inventory classification)", "counties": [ "New London" ], "city": "Waterford", "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.. This is a participant opinion, not a reviewed municipal termination instrument or final judgment. End of one host agreement is not a permanent statewide ban or proof no later proposal can occur. Reactor outage, grid and developer-claim criticisms remain attributed; no independent power or emissions finding is adopted. 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": [], "timeline": [], "opened": "", "tier": "", "sources": [ { "url": "https://ctmirror.org/2026/04/15/tale-of-a-defeated-ct-data-center/", "host": "ctmirror.org", "date": "2026-04-15", "published": "2026-04-15", "checked": "2026-10-14", "date_kind": "publication", "label": "Reviewed source" }, { "url": "https://www.mclaughlinpropertiesinc.com/ne-edge", "host": "www.mclaughlinpropertiesinc.com", "published": "", "date": "", "checked": "2026-10-23", "label": "Reviewed operator source" } ], "loc": { "lat": 41.51882, "lng": -72.11751, "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": "A CT Mirror opinion by the local opposition group's founder says NE Edge-Waterford's host-fee agreement ended by default/expiration and describes the group's campaign.", "independently_verified_current_operating_status": null }, "notes": [ "This is a participant opinion, not a reviewed municipal termination instrument or final judgment. End of one host agreement is not a permanent statewide ban or proof no later proposal can occur. Reactor outage, grid and developer-claim criticisms remain attributed; no independent power or emissions finding is adopted.", "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://ctmirror.org/2026/04/15/tale-of-a-defeated-ct-data-center/", "host": "ctmirror.org", "date": "2026-04-15", "published": "2026-04-15", "checked": "2026-10-14", "date_kind": "publication", "label": "Reviewed source" } ], "whole_record_certified": false }, { "overlay": "Codex 3 research cohort 47", "scope": "The developer current project page names NE Edge at the Millstone Nuclear Power Plant in Waterford and describes a partnership formed to acquire and develop the project. Issuer listed proposal is limited to this existing named development concept. It does not establish a completed acquisition, current construction, nuclear power supply agreement, regulatory approval or computing operation.", "fields": { "current_stage_evidence": { "outcome": "current_named_developer_project", "scope": "The developer current project page names NE Edge at the Millstone Nuclear Power Plant in Waterford and describes a partnership formed to acquire and develop the project. Issuer listed proposal is limited to this existing named development concept. It does not establish a completed acquisition, current construction, nuclear power supply agreement, regulatory approval or computing operation." } }, "notes": [ "The developer current project page names NE Edge at the Millstone Nuclear Power Plant in Waterford and describes a partnership formed to acquire and develop the project. Issuer listed proposal is limited to this existing named development concept. It does not establish a completed acquisition, current construction, nuclear power supply agreement, regulatory approval or computing operation.", "Existing identities, provider roles, locations, jurisdiction, quantities and physical opening fields remain unchanged. Publication, administrative filing and withdrawal dates are not physical opening dates." ], "sources": [ { "url": "https://www.mclaughlinpropertiesinc.com/ne-edge", "host": "www.mclaughlinpropertiesinc.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": "Waterford · New London · Source context reviewed", "status_scope": "The developer current project page names NE Edge at the Millstone Nuclear Power Plant in Waterford and describes a partnership formed to acquire and develop the project. Issuer listed proposal is limited to this existing named development concept. It does not establish a completed acquisition, current construction, nuclear power supply agreement, regulatory approval or computing operation.", "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": "09180" } } ], "compilation_license": "withheld_pending_owner_decision" }