Economic and Environmental Study of Wineries Powered by Grid-Connected Photovoltaic Systems in Spain
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AutorGómez-Lorente, Daniel; Rabaza Castillo, Ovidio; Aznar Dols, Fernando; Mercado-Vargas, María José
WineriesSustainabilityNet meteringSolar energySelf-consumption
Gómez-Lorente, D.; et al. Economic and Environmental Study of Wineries Powered by Grid-Connected Photovoltaic Systems in Spain. Energies, 10(2): 222 (2017). [http://hdl.handle.net/10481/48289]
This research developed a system that can make factories more independent from the grid. The system enhances efficiency since factory operation is powered by the renewable energy generated during the production process. Winemaking is a key sector that can profit from such a system because wineries can recycle much of the waste from the raw materials employed in wine production. Moreover, the solar energy collected at winemaking facilities can also be used to reduce electricity consumption and thus increase energy efficiency. This study investigated the feasibility of using renewable energy sources, such as solar energy, in wineries in Spain, given the quantity of renewable energy produced in the country. For this purpose, cost-effectiveness, power generation, CO2 emissions and the renewable energy fraction were taken into account. The assumption was that the photovoltaic system was grid-connected. Research results showed a reduction in electrical power costs ranging from 4% to 36%. This reduction was accompanied by an increase in the use of renewable energy of up to 57%. The results obtained are based on self-consumption or net metering policy as well as the production capacity of the winery.