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Open AccessArticle

Photovoltaic Self-Consumption in Industrial Cooling and Refrigeration

1
Department of Electronic and Automatic Engineering, University of Jaén, Campus Lagunillas, 23071 Jaén, Spain
2
Department of Electrical Engineering, University of Jaen, Campus Lagunillas, 23071 Jaén, Spain
3
Center for Advanced Studies in Earth Sciences, Energy and Environment, University of Jaén, 23071 Jaén, Spain
*
Author to whom correspondence should be addressed.
Electronics 2020, 9(12), 2204; https://doi.org/10.3390/electronics9122204
Received: 11 November 2020 / Revised: 11 December 2020 / Accepted: 18 December 2020 / Published: 21 December 2020
The industrial sector has a great opportunity to reduce its energy costs through distributed generation. In this sense, the potential of photovoltaic self-consumption systems in the industrial cooling and refrigeration sector is shown. Two industries with photovoltaic self-consumption installations are shown and the electricity consumption profile of this type of industry which has a remarkable basal electricity consumption during daytime is analyzed. The matching between consumption and photovoltaic generation profiles is provided through the self-consumption and self-sufficiency curves considering different reporting periods (monthly and annual). Moreover, a new index is presented: self-sufficiency index for sunshine hours, φSS,SH. This index evaluates the performance of the photovoltaic self-consumption system when facing the consumption only during sunshine hours. This index may complement the self-sufficiency index and may improve the analysis of this type of systems in the industrial sector. Self-consumption indices of 90% may be provided. Moreover, self-sufficiency indices for total (24 h) and for sunshine hours of 25% and 50%, respectively, for industry A, and 26% and 45% for industry B have been obtained. During daytime, half the load consumption in this type of industry may be covered by photovoltaics while achieving high levels of use of the photovoltaic energy generated. View Full-Text
Keywords: photovoltaic self-consumption; distributed generation; industrial cold; energy efficiency; energy relocation photovoltaic self-consumption; distributed generation; industrial cold; energy efficiency; energy relocation
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MDPI and ACS Style

Martínez-Calahorro, A.J.; Jiménez-Castillo, G.; Rus-Casas, C.; Gómez-Vidal, P.; Muñoz-Rodríguez, F.J. Photovoltaic Self-Consumption in Industrial Cooling and Refrigeration. Electronics 2020, 9, 2204. https://doi.org/10.3390/electronics9122204

AMA Style

Martínez-Calahorro AJ, Jiménez-Castillo G, Rus-Casas C, Gómez-Vidal P, Muñoz-Rodríguez FJ. Photovoltaic Self-Consumption in Industrial Cooling and Refrigeration. Electronics. 2020; 9(12):2204. https://doi.org/10.3390/electronics9122204

Chicago/Turabian Style

Martínez-Calahorro, Antonio J.; Jiménez-Castillo, Gabino; Rus-Casas, Catalina; Gómez-Vidal, Pedro; Muñoz-Rodríguez, Francisco J. 2020. "Photovoltaic Self-Consumption in Industrial Cooling and Refrigeration" Electronics 9, no. 12: 2204. https://doi.org/10.3390/electronics9122204

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