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Open AccessArticle

A New Method for Peer-to-Peer Energy Exchange in Distribution Grids

1
Department of Computer and Electrical Engineering and Computer Science, California State University Bakersfield, 9001 Stockdale Hwy, Bakersfield, CA 93311, USA
2
Department of Management & Innovation Systems, University of Salerno Via Giovanni Paolo II, 132, 84084 Fisciano (SA), Italy
*
Author to whom correspondence should be addressed.
Energies 2020, 13(4), 799; https://doi.org/10.3390/en13040799
Received: 20 January 2020 / Revised: 5 February 2020 / Accepted: 9 February 2020 / Published: 12 February 2020
(This article belongs to the Special Issue Smart Photovoltaic Energy Systems for a Sustainable Future)
In this paper, distribution-level peer-to-peer energy exchange is proposed that allows increased matching between load and generation nodes. Contributions of the proposed improved matching system between the local load and generation nodes aim at making efficient use of unused power generation, reducing the cost of electrical energy for consumers, and assisting utility companies by reducing transmission line congestion. The proposed system for matching the load and generation nodes consists of a financial layer and technical layer. In the financial layer, nodes with an excess of energy provide a price to sell energy, while the nodes needing energy bid on a price to purchase energy. A market-clearing mechanism using pool clearing is applied to determine a final price for peer-to-peer exchange. The technical layer determines the connection of energy transfer between the generation and load nodes while considering the distance, power flow constraints, and specified time windows. The proposed approach is verified in a five-node system and the results are discussed. View Full-Text
Keywords: peer-to-peer energy exchange; power optimization; Nash equilibrium; distribution system; microgrids peer-to-peer energy exchange; power optimization; Nash equilibrium; distribution system; microgrids
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Reihani, E.; Siano, P.; Genova, M. A New Method for Peer-to-Peer Energy Exchange in Distribution Grids. Energies 2020, 13, 799.

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