2025-voyez-smart-meter-reid
The privacy cost of fine-grained electrical consumption data
Voyez, Antonin; Allard, Tristan; Avoine, Gildas; Cauchois, Pierre; Fromont, Elisa; Simonin, Matthieu · · Scientific Reports (Nature Portfolio), Vol. 15
Bibliographische Details
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Notizen
AMBIGUOUS-FIXED 2026-05-15: original frontmatter title 'Profile-Based Re-Identification of Smart Meter Time Series' was a paraphrased framing of the underlying finding — Crossref-resolve of DOI 10.1038/s41598-024-78285-7 confirms the published title is 'The privacy cost of fine-grained electrical consumption data' (same authors, same DOI). Frontmatter volume 'Vol. 14' corrected to Vol. 15 (Crossref publishes 2025-05-19, Scientific Reports Vol. 15). 6-author list filled out (was 'Voyez, A., et al.'). F-121 audit Deep #22. Original DACH-relevant K3-Privacy-Caveat preserved (Smart-Meter-Rollout Wiener Netze). BODY-VERIFIED 2026-05-16 (Deep-27, Editor≠Verifier pass for WFK-1.2.1a #229): Quantitative claims re-checked verbatim against the published article body via PMC open-access full text (PMC12089263). Verbatim quotes from the article: "knowing 5 consecutive electric measures allows to re-identify on average more than 90% of households in our 2.5M half-hourly electric time series dataset"; "rounding to 2 orders of magnitude (i.e., to the closest 100 W) results in 40%+ uniqueness for k=7". Both figures cited in WFK-1.2.1a body ("90 % Re-Identifikationsrate aus 5 Messungen") are CORRECT as stated. Dataset note: 2.5 M households, half-hourly measurements, Enedis France nationwide deployment.
Voyez et al. 2025 — Smart-Meter Re-Identifikation
Key findings (relevant zu WFK-2.1.5)
- 90 % Re-Identifikationsrate von Haushalten aus nur 5 Smart-Meter-Messungen (Zeitreihen-Profil-Matching).
- Auch bei degradierten/vergröberten Daten noch 40 % Re-Identifikationsrate.
- Befund: Smart-Meter-Daten sind de-facto personenbezogene Daten im Sinne der DSGVO, auch ohne explizite Identifikatoren.
- Implikation für KI-HVAC: Alle ML-Modelle, die Smart-Meter-Zeitreihen nutzen (Demand-Response, HVAC-Optimierung), unterliegen strengen Datenschutzanforderungen — auch in Wien (Wiener Netze Rollout 1,5 Mio. Geräte).
Relevance
K3-Quelle (kritische Perspektive) zu WFK-2.1.5. Privacy-Caveat für Smart-Meter-basierte KI-HVAC-Anwendungen. EU-relevanter Befund (Scientific Reports, gold OA). Wien-Bezug: Wiener Netze Smart-Meter-Rollout abgeschlossen 2024 — Datenschutz-Implikationen direkt übertragbar. Konfidenz: high (peer-reviewed, Nature Portfolio, robuste Stichprobe).
Verified-Status
peer-reviewed. Lizenz: gold OA (Creative Commons, Scientific Reports). DOI: 10.1038/s41598-024-78285-7. Refresh-Frequenz: statisch.
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