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Prior work has shown that 1 year\u2019s worth of this data is sufficient to extract sensitive information about households. In this short paper, we break down energy consumption data from a novel dataset into 1-week snippets. Using off-the-shelf algorithms, we assess whether it is possible to clearly identify (i.e., fingerprint) an individual household only by its energy consumption from a 1-week period. More generally, we ask whether an attacker can distinguish one household from a group of others by its energy consumption from only one week\u2019s worth of data. We find that a small number of households exist for which the weekly consumption is so unique that it can be distinguished almost always amidst weekly data from dozens of other households. Furthermore, a large number of households can be distinguished with surprisingly high accuracy and an order of magnitude better than guessing. We discuss the potential impact of these findings on the privacy of smart meter datasets with respect to de-anonymization and re-identifiability.<\/jats:p>","DOI":"10.1186\/s42162-022-00205-8","type":"journal-article","created":{"date-parts":[[2022,9,8]],"date-time":"2022-09-08T14:03:07Z","timestamp":1662645787000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["How unique is weekly smart meter data?"],"prefix":"10.1186","volume":"5","author":[{"given":"Dejan","family":"Radovanovic","sequence":"first","affiliation":[]},{"given":"Andreas","family":"Unterweger","sequence":"additional","affiliation":[]},{"given":"G\u00fcnther","family":"Eibl","sequence":"additional","affiliation":[]},{"given":"Dominik","family":"Engel","sequence":"additional","affiliation":[]},{"given":"Johannes","family":"Reichl","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2022,9,7]]},"reference":[{"key":"205_CR1","doi-asserted-by":"publisher","first-page":"829","DOI":"10.1038\/s41560-019-0479-y","volume":"4","author":"V Azarova","year":"2019","unstructured":"Azarova V, Engel D, Ferner C, Kollmann A, Reichl J (2019) Transition to peak-load-based tariffs can be disruptive for different groups of consumers. 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