Abstract
Demand response (DR) in the smart grid will promote the stable operation of the power system and reduce economic costs effectively. However, uncertainty of users' behavior becomes a barrier of DR, in which the credibility between the DR users and aggregators will have a crucial impact on the DR. Blockchain is a new technology to solve the trust problem without third‐party endorsement, which has the advantages of decentralization and irreversibility. Considering the difference of computing capability between users and aggregators, this article proposes a blockchain‐based strategy to support the bidirectional selection between DR users and aggregators based on reputation values, which improves the success rate of the DR and mitigates the impact of user behavior on the DR. At the same time, this strategy can also increase the enthusiasm of users with a high reputation value to participate in DR. Using the network topology and DR incentive rules of Suzhou, Jiangsu Province, the rationality of blockchain‐based reliable interoperation for DR entities proposed in this paper is verified. © 2019 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.
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