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Improvement of Self-Consumption Rates by Cogeneration and PV Production for Renewable Energy Communities

Autori

Samuele Branchetti, Carlo Petrovich, Nicola Gessa, Gianluca D’Agosta Anno 2025

Tipologia

Articolo Rivista internazionale con referaggio

Abstract

The goal of decarbonization has driven the adoption of several intervention strategies across Europe, including the promotion of Renewable Energy Communities (RECs). This study analyses an electric REC in Italy to explore the performance of different potential energy mixes combining a biogas-based cogeneration (CHP) system and photovoltaic (PV) plants. The analysis is based on a real REC composed of 53 members (mainly companies) with a Self-Sufficiency Rate (SSR) of 92% and a Self-Consumption Rate (SCR) of 60%. Adding 550 residential consumers (apartments) to the REC, the total production matches total consumption, and both SSR and SCR converge to 84%. Compared to RECs that rely solely on PV systems, this case study shows that biogas integration leads to an increase of around 40 percentage points in both SSR and SCR—equivalent to an average gain of 0.4 to 0.6 percentage points for each percentage point increase in the CHP share of the CHP-PV production mix. The analysis quantifies how SSR and SCR vary not only with different biogas/PV production ratios but, more importantly, with variations in the total annual production-to-consumption ratio of the RECs. These results can guide the design of RECs tailored to the specific characteristics of local contexts.

Referenza_Bibliografica

Branchetti, S.; Petrovich, C.; Gessa, N.; D’Agosta, G. Improvement of Self-Consumption Rates by Cogeneration and PV Production for Renewable Energy Communities. Electronics 2025, 14, 1755. https://doi.org/10.3390/electronics14091755

Riferimento WEB

https://doi.org/10.3390/electronics14091755

Riferimento WEB 2

https://www.mdpi.com/2079-9292/14/9/1755

Unita di Ricerca

X-LAB

Keywords

comunità energetica; CER; energia rinnovabile; cogenerazione; fotovoltaico; biogas

LastUpdate

29/04/2025

Topic di ricerca collegati

Codice	Topic di ricerca	Descrizione
1.1	Fonti energetiche rinnovabili	Fonti energetiche rinnovabili
3.4.6	Comunita' energetiche	Le Comunita' energetiche sono uno strumento con il quale il cittadino e le imprese di un territorio possono collaborare assieme per investire sulle rinnovabili, ridurre i costi dell'energia e promuovere i comportamenti virtuosi nell'uso dell'energia che a

impact factor

Vero

ReferenzaUnivoca

https://doi.org/10.3390/electronics14091755

Il Laboratorio ha realizzato progetti finanziati dai Fondi europei della Regione Emilia-Romagna e dal Fondo per lo sviluppo e la coesione

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