{
 "schemaVersion": "1.0.0",
 "constitutionVersion": "1.0.0",
 "createdAt": "2026-08-12T00:00:00Z",
 "description": "Append-only Evidence Passport records. Old revisions are immutable; corrections create a new revision and preserve the previous permalink.",
 "entity": {
  "type": "project",
  "id": "vienna-smart-meter-rollout",
  "title": "Wiener Netze Smart Meter Rollout",
  "canonicalUrl": "https://1001smartcities.org/projects/vienna-smart-meter-rollout/"
 },
 "currentRevisionId": "2026-08-21-evidence-baseline",
 "revisions": [
  {
   "id": "2026-08-21-evidence-baseline",
   "createdAt": "2026-08-22T09:12:00Z",
   "effectiveAt": "2026-07-22",
   "changeType": "baseline",
   "summary": "Created the first structured Evidence Passport with 11 claims and 6 source dossiers.",
   "preparedBy": {
    "type": "automation",
    "label": "AI-assisted evidence preparation",
    "humanApproved": false
   },
   "review": {
    "status": "unreviewed",
    "by": null,
    "date": null,
    "note": "Awaiting operator and domain-expert review; publication of this revision implies neither."
   },
   "changes": [
    {
     "operation": "add",
     "path": "/evidencePassport",
     "summary": "Added claim-level evidence mapping and source dossiers."
    },
    {
     "operation": "add",
     "path": "/revisionHistory",
     "summary": "Established a permanent, hash-addressed baseline revision."
    }
   ],
   "snapshotHash": "sha256:41069917736d706a62adc7645221e986ed4cf2544e409bd138771ce0940e0557",
   "snapshot": {
    "asOf": "2026-07-22",
    "projectFingerprint": "sha256:6f33dd8770070eaa5798ace0244e1db55ffe64df1eced9941faec92bb95fa90b",
    "assurance": {
     "status": "unreviewed",
     "scope": "evidence-passport-revision",
     "statement": "AI-assisted structural preparation. This revision has not been reviewed by a human or subject-matter expert.",
     "machineChecks": [
      "schema",
      "publication-diff-contract",
      "material-project-fingerprint",
      "claim-text-drift",
      "source-reference-resolution",
      "complete-source-dossier",
      "snapshot-hash"
     ]
    },
    "projectState": {
     "status": "live",
     "outcome": "succeeded",
     "evidenceGrade": "official",
     "timeline": {
      "started": 2018,
      "ended": null
     }
    },
    "governance": {
     "operator": "Wiener Netze",
     "actorTypes": [
      "utility"
     ],
     "fundingModel": "utility",
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-0b0916d3a0d917e6",
      "field": "snippet",
      "text": "Siemens led a consortium with Landis+Gyr and Iskraemeco (selected 2017)",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-00a83da0d5fa3f8b",
       "src-e82b2d9e946e8211"
      ],
      "supportNote": "Iskraemeco's project page dates the award and names the same three companies: \"In August 2017, Wiener Netze announced that it had selected a consortium comprising Siemens, Landis+Gyr and Iskraemeco for the mass-deployment phase of the rollout.\" Siemens' own magazine names the same three: \"Siemens ist gemeinsam mit Landis+Gyr und Iskraemeco Lead- und Technologiepartner der Wiener Netze bei der Umstellung auf die neuen elektronischen Stromzähler\" (Siemens is, together with Landis+Gyr and Iskraemeco, lead and technology partner of Wiener Netze).",
      "caveat": "Neither source puts Siemens above the other two. Iskraemeco describes a consortium of three without a lead, and the Siemens magazine calls all three jointly lead and technology partners, so \"Siemens led\" is a stronger reading than the sources give. Both are suppliers writing about their own contract.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-0df4d1a7864ca62a",
      "field": "snippet",
      "text": "to swap Vienna-area electricity meters for smart meters from November 2018",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-00a83da0d5fa3f8b",
       "src-e82b2d9e946e8211"
      ],
      "supportNote": "Iskraemeco gives the month: \"Installations began at a smaller scale in November 2018.\" The Siemens magazine gives the year and the scope: \"Im Jahr 2018 starteten die Wiener Netze mit dem Tausch bei rund 1,6 Millionen Haushalten und Unternehmen\" (in 2018 Wiener Netze began the swap across some 1.6 million households and businesses).",
      "caveat": "November 2018 was a deliberately small start. The same source says the large-scale phase only began in 2021, with 436,000 meters deployed by the end of that year. The service area is also wider than the city: Wiener Netze supplies Vienna plus parts of Lower Austria and Burgenland.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-26a02673e3a44f91",
      "field": "snippet",
      "text": "Wiener Netze hit Austria's 95% legal target in December 2024",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-e82b2d9e946e8211"
      ],
      "supportNote": "Siemens' magazine ties the milestone to a dated, symbolic meter swap: \"Mit dem symbolträchtigen Tausch der Zähler im Wiener Stephansdom im Dezember 2024 haben die Wiener Netze 95 Prozent aller Stromzähler auf neue elektronische Stromzähler umgestellt\" (with the symbolic meter swap in St Stephen's Cathedral in December 2024, Wiener Netze converted 95 percent of all electricity meters). Wiener Netze's own legal page dates the same achievement a month earlier, to November 2024: \"Dieses Ziel haben die Wiener Netze im November 2024 erfüllt.\" The operator and its supplier therefore give different months for the same milestone.",
      "caveat": "The month is disputed by the operator itself. Wiener Netze's legal page says the target was met in November 2024; the December date comes from its supplier and is tied to a symbolic ceremony rather than to the moment the threshold was crossed.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-6c9acccf8ea63d4e",
      "field": "snippet",
      "text": "cut remaining legacy meters to about 46,000",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-28c9c4c28d5f5604",
       "src-2f24a33bdde3a1e6"
      ],
      "supportNote": "Both the operator's press page and the identical wire release state the figure: \"Bereits rund 1,6 Millionen Smart Meter sind installiert. Aber rund 46.000 Altzähler sind noch im Einsatz\" (some 1.6 million smart meters are installed, but around 46,000 old meters are still in service). The release adds why they must go: the calibration period of those meters is expiring, and under the Austrian weights and measures act they may then no longer be operated.",
      "caveat": "This is the operator's own count and is not broken down or independently audited. The release is also an enforcement notice, which gives Wiener Netze a reason to state the remaining number plainly.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-6aff12715b58be2c",
      "field": "snippet",
      "text": "of ~1.6 million",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-2f24a33bdde3a1e6",
       "src-e82b2d9e946e8211"
      ],
      "supportNote": "The press release counts the meters already exchanged: \"Mehr als 1,6 Millionen Zähler wurden bereits erfolgreich getauscht\" (more than 1.6 million meters have already been successfully exchanged). Siemens' magazine uses the same order of magnitude for the whole task: \"Im Jahr 2018 starteten die Wiener Netze mit dem Tausch bei rund 1,6 Millionen Haushalten und Unternehmen.\"",
      "caveat": "The two sources count slightly different things. The press release puts about 1.6 million meters already swapped and roughly 46,000 still outstanding on top of that, so the total stock is a little above 1.6 million rather than 46,000 being part of it.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-572e802c946f400f",
      "field": "snippet",
      "text": "by March 2026",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-28c9c4c28d5f5604",
       "src-2f24a33bdde3a1e6"
      ],
      "supportNote": "Both carry the same date line for the statement of remaining meters: the operator's press page is marked \"Publiziert am: 30.03.2026\" and the wire release is stamped \"30.03.2026, 10:00:50\". The figures are given as the position on that day.",
      "caveat": null,
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-bd752a29a051ec60",
      "field": "impact",
      "text": "~1.6 million electricity meters in Wiener Netze's service area",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-2f24a33bdde3a1e6",
       "src-e82b2d9e946e8211"
      ],
      "supportNote": "The press release states the installed base and the service area in the same document: \"Bereits rund 1,6 Millionen Smart Meter sind installiert\", and separately that \"Mehr als 2 Millionen KundInnen in Wien, Teilen Niederösterreichs und des Burgenlands\" are supplied (more than 2 million customers in Vienna, parts of Lower Austria and Burgenland). Siemens' magazine gives the same 1.6 million figure for the households and businesses covered by the swap.",
      "caveat": "The figure counts electricity meters, not customers: the same release puts the customer base above two million. It is an operator figure and carries no independent count.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-36154b0f178a12e6",
      "field": "impact",
      "text": "Austria's 95% legal smart-meter target",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-78d25006d3b2edad"
      ],
      "supportNote": "The operator's legal page describes the quota as a national one, set out in a regulation under the Austrian electricity act: \"Der nationale Plan für die Einführung sieht zu den Zielen auf EU-Ebene bis Ende 2024 eine Abdeckung von mindestens 95 Prozent der österreichischen Haushalte und Unternehmen mit Smart Metern vor\" (the national rollout plan provides for coverage of at least 95 percent of Austrian households and businesses by the end of 2024). The page names the instrument as the Intelligente Messgeräte-Einführungsverordnung (IME-VO 2022) under ElWOG 2010, and traces the requirement back to the EU's third internal energy market package.",
      "caveat": "The 95 percent is a country-wide quota, not a target written for Vienna. Wiener Netze reports meeting it within its own service area; the page does not say what share of the national total that represents.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-3e247e029960cc65",
      "field": "impact",
      "text": "reached in December 2024",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-e82b2d9e946e8211"
      ],
      "supportNote": "Siemens' magazine, published on 19 December 2024, reports the threshold as crossed that month: \"Mit dem symbolträchtigen Tausch der Zähler im Wiener Stephansdom im Dezember 2024 haben die Wiener Netze 95 Prozent aller Stromzähler auf neue elektronische Stromzähler umgestellt.\" Wiener Netze's own legal page instead says the target was met in November 2024: \"Dieses Ziel haben die Wiener Netze im November 2024 erfüllt.\"",
      "caveat": "The operator dates the same milestone to November 2024, a month earlier than this entry states. The December date rests on a supplier publication and on a ceremonial meter swap.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-bae20532638b2d21",
      "field": "impact",
      "text": "about 46,000 legacy meters still outstanding by March 2026",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-28c9c4c28d5f5604",
       "src-2f24a33bdde3a1e6"
      ],
      "supportNote": "The operator's press page of 30 March 2026 states the outstanding stock and the reason it must go: \"Bei rund 46.000 – noch nicht getauschten – Zählern läuft die Eichfrist ab\" (the calibration period is expiring on around 46,000 meters not yet exchanged), and meters that fall outside calibration rules may no longer be operated under the Austrian weights and measures act.",
      "caveat": "An operator figure with no independent verification, published as part of an enforcement notice warning the last holdouts of disconnection or legal action.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-60081551eed2d41a",
      "field": "impact",
      "text": "Austria's national rate stood at about 97% at the end of 2025 per regulator E-Control",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-3c6290d0524b498f"
      ],
      "supportNote": "The trade report is titled \"Österreich erreicht nahezu Voll-Rollout bei Smart Metern\" (Austria reaches near-complete smart meter rollout) and attributes the share to the regulator E-Control, which counts metering points rather than customers. The article itself could not be opened: every edition of the publisher's site answers automated requests with a block page, so the wording was confirmed through search results rather than read on the page, and no locator string could be taken from it.",
      "caveat": "The national figure counts metering points across Austria and is published by the regulator, not by Wiener Netze. The Vienna share it is compared against is not published by the operator at all, so the two numbers are alike in size but are not measured the same way. The reference year could not be confirmed on the page itself.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     }
    ],
    "sources": [
     {
      "id": "src-28c9c4c28d5f5604",
      "title": "Wiener Netze — Letzte Chance für Umstellung auf Smart Meter (2026)",
      "url": "https://www.wienernetze.at/letzte-chance-f%C3%BCr-umstellung-auf-smart-meter",
      "publisher": {
       "name": null,
       "domain": "wienernetze.at",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
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       "clm-572e802c946f400f",
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      ],
      "temporal": {
       "publishedAt": "2026-03-30",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-22",
       "dossierCreatedAt": "2026-08-22",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Current 2026 status: remaining legacy meters, enforcement phase.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-2f24a33bdde3a1e6",
      "title": "Wiener Netze / OTS press release, 2026-03-30",
      "url": "https://www.ots.at/presseaussendung/OTS_20260330_OTS0035/letzte-chance-fuer-umstellung-auf-smart-meter",
      "publisher": {
       "name": null,
       "domain": "ots.at",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
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       "clm-572e802c946f400f",
       "clm-bd752a29a051ec60",
       "clm-bae20532638b2d21"
      ],
      "temporal": {
       "publishedAt": "2026-03-30",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-22",
       "dossierCreatedAt": "2026-08-22",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Official press release corroborating the 2026 rollout status.",
       "exact": false
      },
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     },
     {
      "id": "src-e82b2d9e946e8211",
      "title": "hi!tech.at — 95 Prozent aller Stromzähler von Wiener Netze sind Smart Meter, 2024-12-19",
      "url": "https://hitech.at/95-prozent-aller-stromzaehler-von-wiener-netze-sind-smart-meter/",
      "publisher": {
       "name": null,
       "domain": "hitech.at",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
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       "clm-6aff12715b58be2c",
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      ],
      "temporal": {
       "publishedAt": "2024-12-19",
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       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-22",
       "dossierCreatedAt": "2026-08-22",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Independent press confirming the 95% legal target was reached December 2024.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
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       "contentHash": null,
       "status": "not-captured"
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     },
     {
      "id": "src-00a83da0d5fa3f8b",
      "title": "Iskraemeco — Digitalization of the power grid and smart metering in Wiener Netze",
      "url": "https://iskraemeco.com/project/digitalization-of-the-power-grid-and-smart-metering-in-wiener-netze/",
      "publisher": {
       "name": null,
       "domain": "iskraemeco.com",
       "classification": "not-classified"
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      "sourceType": "web-page",
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      "claimRefs": [
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       "recordLastVerifiedAt": "2026-07-22",
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       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Vendor project page: consortium partners, rollout start.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
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       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-78d25006d3b2edad",
      "title": "Wiener Netze — Rechtliches zum Smart Meter",
      "url": "https://www.wienernetze.at/rechtliches-zum-smart-meter",
      "publisher": {
       "name": null,
       "domain": "wienernetze.at",
       "classification": "not-classified"
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      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
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      "temporal": {
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       "recordLastVerifiedAt": "2026-07-22",
       "dossierCreatedAt": "2026-08-22",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Legal basis: ElWOG 2010 / IME-VO 2022.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-3c6290d0524b498f",
      "title": "energate messenger — Österreich erreicht nahezu Voll-Rollout bei Smart Metern",
      "url": "https://www.energate-messenger.ch/news/259083/oesterreich-erreicht-nahezu-voll-rollout-bei-smart-metern",
      "publisher": {
       "name": null,
       "domain": "energate-messenger.ch",
       "classification": "not-classified"
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      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
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      "temporal": {
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       "recordLastVerifiedAt": "2026-07-22",
       "dossierCreatedAt": "2026-08-22",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "National context via regulator E-Control: ~97% of Austrian metering points digital by end of 2025.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 11,
     "claimsMapped": 11,
     "sourcesTotal": 6,
     "sourcesUsedByClaims": 6,
     "sourcesWithPublicationDate": 3,
     "sourcesWithArchive": 0,
     "sourcesWithExactLocator": 0,
     "sourcesWithContentHash": 0
    },
    "limits": [
     "Publisher names and source languages have not yet been classified; domains are recorded without guessing.",
     "Existing source notes are descriptive locators, not page- or paragraph-exact citations.",
     "A missing archive, publication date or content hash is shown as null rather than inferred.",
     "The project-level evidence grade ranks the strongest source in the entry; it is not a truth score for every claim."
    ]
   }
  }
 ]
}