Abstract
Local, decentralized, and highly volatile electricity generation of renewable energy sources (RES) calls for new market approaches. Local energy markets (LEMs) match electricity production and consumption in a decentralized approach which reflects the distribution of the growing amount of RES. The blockchain technology, a distributed information and communication technology, supports the decentralized structure of LEMs and enables its users to directly interact with each other. In this context, we investigate blockchain-based LEMs on which prosumers (consumers that also produce) and consumers of a community are able to trade electricity without the need for intermediaries. A smart contract serves as a market place that accepts orders of all participants of a blockchain and performs a merit-order mechanism for efficient allocation. We verify the reliability of a private Ethereum blockchain and the smart contract through multiple simulations using real-life data. Furthermore, we compare two consensus mechanisms (Proof-of-Work and Proof-of-Authority) of the blockchain regarding computational performance and assess whether a blockchain-based LEM can be run on small single-board computers, i.e. Raspberry Pis.
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Heck, K., Mengelkamp, E. & Weinhardt, C. Blockchain-based local energy markets: Decentralized trading on single-board computers. Energy Syst 12, 603–618 (2021). https://doi.org/10.1007/s12667-020-00399-4
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DOI: https://doi.org/10.1007/s12667-020-00399-4