Abstract
Electricity theft is the main form of Non-Technical Loss (NTL) fraud in the traditional power grid. In Smart Grid, NTL frauds co-occur with various attacks and have more variants. Time-based Pricing (TBP) is an attracting feature of Smart Grid, which supports real-time pricing and billing. However, adversaries could utilize TBP to commit NTL frauds, and we name them as TNTL frauds. Different from NTL frauds which “steal” electricity, TNTL frauds “steal” time. Thus, existing schemes cannot detect them. In this paper, we summarize four attack models of TNTL frauds and analyze various attacks in Smart Grid. We eliminate attacks that do not relate to TNTL frauds and propose countermeasures for those related attacks to prevent TNTL frauds.
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