{
  "reviewedAt": "2026-10-04",
  "heating": {
    "meters": 62,
    "hours": 4392,
    "energy_kwh": 615306.566,
    "mean_kw": 140.09712340619308,
    "peak_kw": 308.219,
    "quarter_peak_kw": 342.85199999999986,
    "building_types": {
      "Apartment building": 40,
      "Single-family house": 20,
      "Underground garage": 2
    },
    "reference_cold_hours": 6,
    "national_buildings": 1808852.0,
    "recorded_area_buildings": 244447.0,
    "area_recorded_percent": 13.513930382364062
  },
  "waste": {
    "baseline_m3": 1550,
    "longer_operation_m3": 550,
    "lower_burnup_m3": 100,
    "proposed_maximum_m3": 2500,
    "baseline_years": 60,
    "longer_years": 80,
    "reference_emplacement_start": 2060,
    "reference_emplacement_end": 2074,
    "illustrative_start": 2050,
    "illustrative_life": 60,
    "illustrative_last_fuel": 2110
  },
  "sources": [
    {
      "id": "october-heating-data",
      "title": "Swiss residential load profiles 2023–2024, dataset.zip",
      "publisher": "Kaiser et al. / Zenodo",
      "kind": "primary",
      "url": "https://zenodo.org/api/records/21398769/files/dataset.zip/content",
      "publicationDate": "2026-07-21",
      "retrievedAt": "2026-09-09T12:03:51.316810+00:00",
      "reviewedAt": "2026-10-04",
      "edition": "2026-07-21",
      "locator": "metadata.csv and the 62 complete heat-pump meter series selected in kaiser-heating-review.json",
      "note": "Installation meters in Zurich canton, not household counts. Pilot tariffs and controls are excluded; ordinary utility control remains. CC BY 4.0; only aggregate results are republished.",
      "artifacts": [
        {
          "path": "backups/followup-2026-09-09/sources/residential-load-data-2026.zip",
          "bytes": 904206916,
          "sha256": "002a063dcea0f6225498816308e458b3bb93f9eaefbdc79f3cfdc605a330fb6a"
        }
      ]
    },
    {
      "id": "october-heating-study",
      "title": "Dataset on residential electricity load profiles in Switzerland, v1 21 July 2026",
      "publisher": "Kaiser et al. / ETH Zürich",
      "kind": "primary",
      "url": "https://arxiv.org/pdf/2607.19294v1",
      "publicationDate": "2026-07-21",
      "retrievedAt": "2026-09-09T12:01:27.889506+00:00",
      "reviewedAt": "2026-10-04",
      "edition": "2026-07-21",
      "locator": "Version 1, Table 1 and section 2.1: interval starts, metering and normal utility blocking",
      "note": "The measured winter is a load-shape example. Mixed building sizes, one regional weather series and limited severe cold prevent direct national extrapolation.",
      "artifacts": [
        {
          "path": "backups/followup-2026-09-09/sources/residential-load-paper-2026.pdf",
          "bytes": 614174,
          "sha256": "070f57ada073b9b8b0ca442651e94761b9fdcc580e80e52f369728830bddbd7a"
        },
        {
          "path": "backups/followup-2026-09-09/sources/residential-load-paper-2026.txt",
          "bytes": 42842,
          "sha256": "49c13b1ffa1f798df202664c201ee94e321ed78aa0507902263d2f2396cbd0dc"
        }
      ]
    },
    {
      "id": "october-building-register",
      "title": "National public GWR building extract, selected complete ZIP members",
      "publisher": "Federal Statistical Office / GWR",
      "kind": "primary",
      "url": "https://public.madd.bfs.admin.ch/ch.zip",
      "publicationDate": "2026-10-04",
      "retrievedAt": "2026-10-04T09:46:49.687513+00:00",
      "reviewedAt": "2026-10-04",
      "edition": "2026-10-04",
      "locator": "4 October 2026 building export; GSTAT 1004 and GKAT 1020/1030/1040; positive GEBF energy-reference area",
      "note": "Existing buildings with residential use, including unknown or absent heating. Administrative counts differ from corrected statistics. Energy-reference area is distinct from footprint area. Only aggregate results are published.",
      "artifacts": [
        {
          "path": "backups/research-2026-10-04/gwr-national/gebaeude_batiment_edificio.csv",
          "bytes": 658078542,
          "sha256": "0dbf2e75a493c295fdaf95adfbc0bb6a9408dd69d6f995adbca1642f3108fecd"
        },
        {
          "path": "backups/research-2026-10-04/gwr-national/kodes_codes_codici.csv",
          "bytes": 59030,
          "sha256": "0ea0027e399b1e06228769016444d06e5591ea5e12d74663b4c2045f7cd27589"
        },
        {
          "path": "backups/research-2026-10-04/gwr-national/gebaeude-batiment-edificio_specifications.pdf",
          "bytes": 272038,
          "sha256": "dc14d7c0ce480bfa9344559a02470f1136e87ce611d00bd791fe246e025f00e2"
        },
        {
          "path": "backups/research-2026-10-04/gwr-national/license.pdf",
          "bytes": 119619,
          "sha256": "f2ab9273d325a0ec3d6c94398a61cc17cf3f119ef44265543f856027b0334bc8"
        },
        {
          "path": "backups/research-2026-10-04/gwr-national/readme.pdf",
          "bytes": 117202,
          "sha256": "e1c3b210d6081fa0cc2bece5cd2d13ce19bbac8036a8577a7f42912d48b479e9"
        }
      ]
    },
    {
      "id": "october-repository-application",
      "title": "NTB24-01: General licence application safety report",
      "publisher": "Nagra / SFOE archive",
      "kind": "primary",
      "url": "https://pubdb.bfe.admin.ch/de/publication/download/12175",
      "publicationDate": "2025-05",
      "retrievedAt": "2026-10-04T08:30:38.831066+00:00",
      "reviewedAt": "2026-10-04",
      "edition": "2025-05",
      "locator": "Appendix A, pages A-2, A-5 and A-6, Table A-1; PDF pages 114, 117 and 118",
      "note": "Proposed maximum unpackaged high-level-waste volume, including reserves for longer existing-reactor operation and lower burnup. An application quantity, not approved capacity or new-reactor headroom.",
      "artifacts": [
        {
          "path": "backups/research-2026-10-04/sources/nagra-repository-safety-2025.pdf",
          "bytes": 5454872,
          "sha256": "c1ae64851e8e13a5cc64c7db2debe885ab5b4aa4f939a86f77bcd503ff01194d"
        },
        {
          "path": "backups/research-2026-10-04/sources/nagra-repository-safety-2025.txt",
          "bytes": 302888,
          "sha256": "d87bc88ac069bf84a579630eeb37a1dcd0c82e24995ef79e144fcba3182903ba"
        }
      ]
    },
    {
      "id": "october-repository-scope",
      "title": "Sind neue Kernkraftwerke im Tiefenlager eingerechnet?",
      "publisher": "Nagra",
      "kind": "primary",
      "url": "https://www.nagra.ch/news/sind-neue-kernkraftwerke-im-tiefenlager-eingerechnet-lagerkapazitaet",
      "publicationDate": "2024-09-04",
      "retrievedAt": "2026-10-04T08:41:13.259681+00:00",
      "reviewedAt": "2026-10-04",
      "edition": "2024-09-04",
      "locator": "Section: Keine Reserven für neue Kernkraftwerke eingerechnet",
      "note": "Nagra explicitly excludes new reactors from the existing application reserves. This dated statement defines the application scope; it is not used for current nuclear-law status.",
      "artifacts": [
        {
          "path": "backups/research-2026-10-04/sources/nagra-new-reactors-excluded-2024.html",
          "bytes": 54034,
          "sha256": "8d007c73f177a739ad2e170a143f3b4b8abf300af73b1223ce10e25bc749dbbd"
        },
        {
          "path": "backups/research-2026-10-04/sources/nagra-new-reactors-excluded-2024.txt",
          "bytes": 4654,
          "sha256": "0b4efb5edb52eea8e752808c37a9a230e0ff227dc6823e7aace327cfd19b2c6e"
        }
      ]
    },
    {
      "id": "october-waste-schedule",
      "title": "NTB22-05 Model radioactive-waste inventory for repository application",
      "publisher": "Nagra",
      "kind": "primary",
      "url": "https://media.nagra.ch/uploads/2023/03/NTB-22-05.pdf",
      "publicationDate": "2023-04",
      "retrievedAt": "2026-10-04T08:43:30.001707+00:00",
      "reviewedAt": "2026-10-04",
      "edition": "2023-04",
      "locator": "Section 2.5, printed pages 11–12; April 2023 on the document cover",
      "note": "Reference emplacement schedule for the existing waste programme. The cover date is April 2023, despite the March directory in the source URL. A later reactor requires its own storage, packaging and disposal schedule.",
      "artifacts": [
        {
          "path": "backups/research-2026-10-04/sources/nagra-miram-2023.pdf",
          "bytes": 65039583,
          "sha256": "3a2ec385bbeb628cb18617560543d43d7c3f45f0a2e344d5a8dfccb299b2f570"
        },
        {
          "path": "backups/research-2026-10-04/sources/nagra-miram-2023.txt",
          "bytes": 318368,
          "sha256": "9dacdf98ca9a58bfcdf6b67d81434f7f26ff373ed95c3a7fdad11c29a9bd368d"
        }
      ]
    },
    {
      "id": "october-heating-waste-checks",
      "title": "Measured heating demand and repository planning boundaries",
      "publisher": "WattInfo",
      "kind": "project-calculation",
      "url": "/downloads/heating-waste/evidence.json",
      "publicationDate": "2026-10-04",
      "retrievedAt": "2026-10-04",
      "reviewedAt": "2026-10-04",
      "edition": "2026-10-04",
      "locator": "Complete 62-meter winter, register-area completeness, application inventory and an illustrative reactor lifetime",
      "note": "Aggregates from catalogued evidence. The heating sample does not set national demand. The 2050 plus 60-year disposal example is an assumption, not a promised service date. Earlier supply scenarios are unchanged.",
      "artifacts": [
        {
          "path": "scripts/build_heating_waste_website.py",
          "bytes": 17183,
          "sha256": "0c1396976d28d8820e7d5b4cdc019044e0c5607c765d441879eda89d3b7bebd2"
        },
        {
          "path": "scripts/analyse_kaiser_heating_october.py",
          "bytes": 8261,
          "sha256": "e134e939e17dfa9442e1fa8062095d19adc9d50b84463adc7f8ca01c6b7160e1"
        },
        {
          "path": "scripts/analyse_gwr_buildings_october.py",
          "bytes": 5501,
          "sha256": "583c51112fbf9232b1366ca7585300860dcf84c29c81ec966e55fa21423aacd0"
        },
        {
          "path": "data/research-2026-10-04/source-catalog.json",
          "bytes": 160987,
          "sha256": "5da7ee8087732a3426dd4690b541212a59659da9db34d937755e5e20eceea72f"
        },
        {
          "path": "data/research-2026-10-04/kaiser-heating-review.json",
          "bytes": 19603,
          "sha256": "787fac84b096300faf61716cba609745b65b2e90be42cd02bcf240f95418bdb2"
        },
        {
          "path": "data/research-2026-10-04/kaiser-fixed-cohort-hourly-2023-24.csv.gz",
          "bytes": 129981,
          "sha256": "5cf9dc6d8e25200597625c67527bebe1504ab98b7583fdd1d64b9b1c945b1b25"
        },
        {
          "path": "data/research-2026-10-04/gwr-national-building-review.json",
          "bytes": 2369,
          "sha256": "1c6ea7dae0a6b5d6ef008a89af550756f32bc90fa3168c4d8fe5bc64bddf713f"
        },
        {
          "path": "data/research-2026-10-04/gwr-existing-residential-joint-stock.csv",
          "bytes": 1465178,
          "sha256": "a2b6a42706d5fe918a136beadaa68aa15f404c71895a0d6a071f832c0704f2f2"
        },
        {
          "path": "data/followup/kloten-hourly-weather-2023-2024.json",
          "bytes": 3327386,
          "sha256": "1e664c9935453491e001d4ed32f0e54176476827879d93e3f44f7b19b0a9b11b"
        }
      ]
    }
  ],
  "claims": [
    {
      "id": "october-heating-meters",
      "value": 62,
      "unit": "meters",
      "status": "calculated",
      "reviewedAt": "2026-10-04",
      "sources": [
        "october-heating-data",
        "october-heating-study",
        "october-heating-waste-checks"
      ],
      "label": "Complete heat-pump installation meters",
      "definition": "Fixed set of installation meters with complete quarter-hour readings throughout the winter.",
      "limitation": "Selected installation meters with ordinary utility control, not a national or household-weighted sample. No causal control-saving or future-peak claim.",
      "period": "Winter 2023/24, October–March",
      "formula": "Count selected meters with 100% valid winter intervals."
    },
    {
      "id": "october-heating-mean",
      "value": 140.09712340619308,
      "unit": "kW",
      "status": "calculated",
      "reviewedAt": "2026-10-04",
      "sources": [
        "october-heating-data",
        "october-heating-study",
        "october-heating-waste-checks"
      ],
      "label": "Average winter electrical load of the sample",
      "definition": "Recorded aggregate winter electricity divided by all 4,392 winter hours.",
      "limitation": "Selected installation meters with ordinary utility control, not a national or household-weighted sample. No causal control-saving or future-peak claim.",
      "period": "Winter 2023/24, October–March",
      "formula": "615306.566 kWh / 4392 h"
    },
    {
      "id": "october-heating-peak",
      "value": 308.219,
      "unit": "kW",
      "status": "calculated",
      "reviewedAt": "2026-10-04",
      "sources": [
        "october-heating-data",
        "october-heating-study",
        "october-heating-waste-checks"
      ],
      "label": "Highest recorded hourly electrical load of the sample",
      "definition": "Maximum aggregate hourly mean; each hour sums four interval-start quarter-hour electricity readings.",
      "limitation": "Selected installation meters with ordinary utility control, not a national or household-weighted sample. No causal control-saving or future-peak claim.",
      "period": "Winter 2023/24, October–March",
      "formula": "max(hourly aggregate kWh / 1 h)"
    },
    {
      "id": "october-building-area-coverage",
      "value": 13.513930382364062,
      "unit": "%",
      "status": "calculated",
      "reviewedAt": "2026-10-04",
      "sources": [
        "october-building-register",
        "october-heating-waste-checks"
      ],
      "label": "Residential buildings with recorded energy-reference area",
      "definition": "Share of selected existing residential-use buildings with positive recorded GEBF.",
      "limitation": "Administrative coverage, not the proportion of heated floor area or energy use. Counts include unknown or absent heating systems.",
      "period": "National GWR building export, 4 October 2026",
      "formula": "244447 / 1808852 * 100"
    },
    {
      "id": "october-waste-baseline",
      "value": 1550,
      "unit": "m³",
      "status": "estimate",
      "reviewedAt": "2026-10-04",
      "sources": [
        "october-repository-application",
        "october-repository-scope"
      ],
      "label": "Rounded existing-fleet baseline inventory",
      "definition": "Application quantity in NTB 24-01, Appendix A.",
      "limitation": "Proposed unpackaged high-level-waste inventory for the existing fleet. New reactors, packaging volume and heat-driven repository area are separate.",
      "period": "Repository application safety report, May 2025",
      "formula": null
    },
    {
      "id": "october-waste-extension",
      "value": 550,
      "unit": "m³",
      "status": "estimate",
      "reviewedAt": "2026-10-04",
      "sources": [
        "october-repository-application",
        "october-repository-scope"
      ],
      "label": "Reserve for longer operation of existing reactors",
      "definition": "Application quantity in NTB 24-01, Appendix A.",
      "limitation": "Proposed unpackaged high-level-waste inventory for the existing fleet. New reactors, packaging volume and heat-driven repository area are separate.",
      "period": "Repository application safety report, May 2025",
      "formula": null
    },
    {
      "id": "october-waste-maximum",
      "value": 2500,
      "unit": "m³",
      "status": "estimate",
      "reviewedAt": "2026-10-04",
      "sources": [
        "october-repository-application",
        "october-repository-scope"
      ],
      "label": "Proposed maximum high-level-waste inventory",
      "definition": "Application quantity in NTB 24-01, Appendix A.",
      "limitation": "Proposed unpackaged high-level-waste inventory for the existing fleet. New reactors, packaging volume and heat-driven repository area are separate.",
      "period": "Repository application safety report, May 2025",
      "formula": null
    },
    {
      "id": "october-last-fuel-example",
      "value": 2110,
      "unit": "year",
      "status": "scenario",
      "reviewedAt": "2026-10-04",
      "sources": [
        "october-heating-waste-checks",
        "october-waste-schedule"
      ],
      "label": "Illustrative final fuel discharge year",
      "definition": "A reactor starting in 2050 and operating for an assumed 60 years reaches the end of operation around 2110.",
      "limitation": "Calendar illustration before fuel cooling, packaging and disposal. It is neither a licence nor a guaranteed lifetime or disposal date.",
      "period": "Illustrative new-reactor service schedule",
      "formula": "2050 + 60 = 2110"
    }
  ]
}