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It plays a key role in achieving carbon neutrality. Nonetheless, smart grid requires the collection of real-time power data, and personal privacy may be leaked through the frequent electricity measurement reports. With the requirements of data analysis and prediction while preserving users\u2019 personal privacy, data aggregation schemes have emerged. However, existing schemes cannot resolve all the troubles well. Some schemes do not consider the failures for smart meters, and most of the schemes have expensive computation cost. In view of this, an efficient privacy-preserving data aggregation scheme with fault tolerance in smart grid is put forward in this paper. To be specific, the proposed scheme is lightweight due to the application of the symmetric homomorphic encryption technology and the elliptic curve cryptography. Even if some smart meters are destroyed, the proposed scheme can still successfully obtain aggregated data. Moreover, the proposed data aggregation scheme is proved to be secure, and all security requirements can be satisfied. Performance evaluation illustrates the relatively low computation cost and communication overhead of the proposed scheme compared to other related schemes.<\/jats:p>","DOI":"10.1155\/2022\/5895176","type":"journal-article","created":{"date-parts":[[2022,1,25]],"date-time":"2022-01-25T22:35:05Z","timestamp":1643150105000},"page":"1-18","source":"Crossref","is-referenced-by-count":9,"title":["Efficient Privacy-Preserving Data Aggregation Scheme with Fault Tolerance in Smart Grid"],"prefix":"10.1155","volume":"2022","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1734-8866","authenticated-orcid":true,"given":"Yang","family":"Ming","sequence":"first","affiliation":[{"name":"School of Information Engineering, Chang\u2019an University, Xi\u2019an 710064, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yabin","family":"Li","sequence":"additional","affiliation":[{"name":"School of Information Engineering, Chang\u2019an University, Xi\u2019an 710064, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yi","family":"Zhao","sequence":"additional","affiliation":[{"name":"School of Information Engineering, Chang\u2019an University, Xi\u2019an 710064, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pengfei","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Information Engineering, Chang\u2019an University, Xi\u2019an 710064, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1007\/978-981-16-2621-0_12"},{"key":"2","doi-asserted-by":"publisher","DOI":"10.1109\/tsg.2010.2045906"},{"key":"3","doi-asserted-by":"publisher","DOI":"10.1109\/mcom.2011.5741147"},{"key":"4","doi-asserted-by":"publisher","DOI":"10.1109\/infcom.2012.6195538"},{"key":"5","doi-asserted-by":"publisher","DOI":"10.1109\/tii.2015.2414719"},{"key":"6","doi-asserted-by":"publisher","DOI":"10.1109\/tii.2015.2408455"},{"key":"7","doi-asserted-by":"publisher","DOI":"10.1109\/tsg.2010.2046346"},{"issue":"2","key":"8","doi-asserted-by":"crossref","first-page":"168","DOI":"10.1109\/TSG.2010.2053726","article-title":"Smart transmission grid: vision and framework","volume":"1","author":"F. 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