Optimal Battery Energy Storage System Scheduling within Renewable Energy Communities

Giacomo Talluri, Gabriele Maria Lozito, Francesco Grasso, Carlos Iturrino Garcia and Antonio Luchetta
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Giacomo Talluri: Department of Information Engineering, University of Florence, Via di S. Marta 3, 50139 Firenze, Italy
Gabriele Maria Lozito: Department of Information Engineering, University of Florence, Via di S. Marta 3, 50139 Firenze, Italy
Francesco Grasso: Department of Information Engineering, University of Florence, Via di S. Marta 3, 50139 Firenze, Italy
Carlos Iturrino Garcia: Department of Information Engineering, University of Florence, Via di S. Marta 3, 50139 Firenze, Italy
Antonio Luchetta: Department of Information Engineering, University of Florence, Via di S. Marta 3, 50139 Firenze, Italy

Energies, 2021, vol. 14, issue 24, 1-23

Abstract: In this work, a strategy for scheduling a battery energy storage system (BESS) in a renewable energy community (REC) is proposed. RECs have been defined at EU level by the 2018/2001 Directive; some Member States transposition into national legislation defined RECs as virtual microgrids since they still use the existing low voltage local feeder and share the same low-medium voltage transformer. This work analyzes a REC which assets include PV generators, BESS and non-controllable loads, operating under the Italian legislative framework. A methodology is defined to optimize REC economic revenues and minimize the operation costs during the year. The proposed BESS control strategy is composed by three different modules: (i) a machine learning-based forecast algorithm that provides a 1-day-ahead projection for microgrid loads and PV generation, using historical dataset and weather forecasts; (ii) a mixed integer linear programming (MILP) algorithm that optimizes the BESS scheduling for minimal REC operating costs, taking into account electricity price, variable feed-in tariffs for PV generators, BESS costs and maximization of the self-consumption; (iii) a decision tree algorithm that works at the intra-hour level, with 1 min timestep and with real load and PV generation measurements adjusting the BESS scheduling in real time. Validation of the proposed strategy is performed on data acquired from a real small-scale REC set up with an Italian energy provider. A 10% average revenue increase could be obtained for the prosumer alone when compared to the non-optimized BESS usage scenario; such revenue increase is obtained by reducing the BESS usage by around 30% when compared to the unmanaged baseline scenario.

Keywords: renewable energy community; mixed integer linear programming; BESS scheduling; machine learning; recurrent neural network; load forecast; experimental database; time series (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (8)

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