{
  "case_id": "CML-PDRE-001",
  "title": "800V DC Data Center Power Architecture",
  "canonical_url": "https://structurevidence.org/cases/800vdc/",
  "question": "Has 800V DC power architecture moved from proposal to independently attributable field deployment?",
  "answer": "One attributable operator record supports one commercial SST-to-800VDC deployment; independent validation, replication, and industry adoption remain unresolved.",
  "current_state": "HUMAN-REVIEWED SINGLE-INSTANCE EVIDENCE",
  "as_of": "2026-09-20T10:46:47Z",
  "last_material_change": "2026-09-20",
  "evidence": [
    {
      "evidence_id": "L1-EV-CML-PDRE-001-FIELD-DEPLOYMENT-001",
      "title": "800V DC Data Center Power Architecture: Field Deployment Evidence",
      "source_url": "https://www.chindatagroup.com/media/news/533.html",
      "publisher": "Chindata",
      "source_date": "2026-07-02",
      "observed_date": "2026-09-20",
      "classification": "PRIMARY_OPERATOR_PUBLICATION",
      "supports": "One named operator reported commercial operation at one named campus for a materially relevant 10kV AC to SST to 800VDC architecture.",
      "does_not_establish": "Independent performance validation. Long operating history. Multi-entity replication. Application qualification. Repeat procurement. Industry adoption. Full PDRE validation."
    }
  ],
  "counter_evidence": [
    {
      "title": "Vertiv practical path to 800 VDC",
      "state": "PLANNED_DEPLOYMENT",
      "reason": "Future commercialization and pilots do not establish field operation."
    },
    {
      "title": "Siemens and Reinhausen DC power solutions",
      "state": "UNDER_DEVELOPMENT",
      "reason": "Development for future deployment does not establish field operation."
    }
  ],
  "unknowns": [
    "Operating history under attributable conditions.",
    "Independent third-party validation.",
    "Multi-entity replication.",
    "Repeat procurement.",
    "Industry-scale adoption."
  ],
  "search_provenance": [
    {
      "run_date": "2026-09-20T10:46:47Z",
      "query_count": 4,
      "source_count": 9,
      "deep_review_count": 1,
      "boundary": "One narrow L1 field-deployment verification; no general 800V research was authorized."
    }
  ],
  "history": [
    {
      "date": "2026-09-20",
      "previous_state": "R5_FIELD_DEPLOYED_NOT_ESTABLISHED",
      "new_state": "R5_ARCHITECTURE_FIELD_DEPLOYMENT_EVIDENCE_ACCEPTED_SINGLE_INSTANCE",
      "triggering_evidence": "L1-EV-CML-PDRE-001-FIELD-DEPLOYMENT-001",
      "why": "Human review accepted one attributable operator record for one named commercial deployment."
    }
  ],
  "events": [
    {
      "event_id": "SE-EVENT-CML-PDRE-001-20261013-SOLAREDGE-OCP",
      "classifications": [
        "NEW_EVENT",
        "NO_STATE_CHANGE"
      ],
      "published_at": "2026-10-13",
      "event_at": "2026-10-12/2026-10-15",
      "retrieved_at": "2026-10-15T15:28:53Z",
      "state_changed": false,
      "url": "https://structurevidence.org/cases/800vdc/events/solaredge-ocp-2026/",
      "record_path": "cases/800vdc/events/solaredge-ocp-2026/index.json"
    },
    {
      "event_id": "SE-EVENT-CML-PDRE-001-20261015-SUNGROW-CERTIFICATION",
      "classifications": [
        "NEWLY_DISCOVERED_OLD_EVIDENCE",
        "NO_STATE_CHANGE",
        "HUMAN_GATE_REQUIRED"
      ],
      "published_at": "2026-10-15",
      "event_at": "2026-10-15",
      "retrieved_at": "2026-10-17T14:04:05Z",
      "state_changed": false,
      "url": "https://structurevidence.org/cases/800vdc/events/sungrow-enerneo-certification-2026/",
      "record_path": "cases/800vdc/events/sungrow-enerneo-certification-2026/index.json"
    }
  ]
}