A comparison of energy allocation rules for a collective self-consumption operation in an industrial multi-energy microgrid. (20th February 2023)

• Record Type: Journal Article
• Authors: Roy, Anthony; Olivier, Jean-Christophe; Auger, François; Auvity, Bruno; Bourguet, Salvy; Schaeffer, Emmanuel
• Is Part Of: Journal of cleaner production. Volume 389(2023)
• Publication Date: 2023-02-20
• Subjects: Microgrid -- Collective self-consumption -- Energy sharing -- Energy communities -- Governance; CSC Collective Self-Consumption -- DSO Distribution System Operator; Factory and trade waste -- Management -- Periodicals; Manufactures -- Environmental aspects -- Periodicals; Déchets industriels -- Gestion -- Périodiques; Usines -- Aspect de l'environnement -- Périodiques; 628.5
• DOI: 10.1016/j.jclepro.2023.136001
• Languages: English
• ISSNs: 0959-6526

Abstract

Abstract: With the widespread development of renewable energy sources, collective self-consumption (CSC) has been increasingly considered over recent years to sell the surplus of generated power to nearby consumers. However, appropriate energy allocation rules must be designed to efficiently share the energy among consumers. This paper aims to study two kinds of repartition keys for a CSC operation with multiple producers in the framework of an industrial multi-energy microgrid located in France. The default key considered in French regulations is compared to an optimized key based on the maximization of the income for the producers, in such a way as to maximize profitability by allocating the energy according to the consumers' electricity purchase price. The simulation results show that a CSC with an optimized key decreases the total electricity bill by 11.7%. For some producers, a reduction in the payback period between 6 months and 5 years is observed, compared to the case without CSC. A sensitivity analysis on economic assumptions is also proposed. The results show that the grid use tariff exemption is a key lever and makes it possible to find a more profitable selling price for producers and consumers, and to significantly reduce the payback period for investors. Highlights: A collective self-consumption (CSC) operation for an industrial microgrid is studied. Two kinds of energy allocation rules are proposed and compared. An optimization problem allocates the energy to increase the producers' income. The CSC allows electricity bill savings and improves the profitability. The results are sensitive to the CSC tariff and a grid use tariff exemption.