Analysis of photovoltaic self-consumption systems
Resumen: Components and installation prices could make the self-consumption of solar photovoltaic (PV) systems competitive. In this paper, we explore different self-consumption options, off-grid PV systems (with back-up generator and/or batteries), and grid-connected PV systems under net-metering policies. The calculation of the net present cost (NPC) reveals that the grid-connected PV-only case (for the net-metering scheme) is the most attractive from the technical and financial points of view, with a levelised cost of energy less than 0.1 €/kWh. Off-grid PV + Diesel + Batteries has a higher cost, around two or three times the grid-connected PV-only under net metering. Additionally, the off-grid PV + Diesel is less attractive from a financial point of view, which has a cost of around 10 times the PV-only under net metering. In addition, the values of life cycle CO2 emissions in each of the cases studied have been compared, and we have concluded that although the off-grid PV + Diesel + Batteries system presents lower CO2 emissions than the PV-only system, the existence of batteries does not allow one to affirm that the PV + Diesel + Batteries system is the best from an environmental point of view.
Idioma: Inglés
DOI: 10.3390/en9090681
Año: 2016
Publicado en: Energies 9, 9 (2016), 681[18 pp]
ISSN: 1996-1073

Factor impacto JCR: 2.262 (2016)
Categ. JCR: ENERGY & FUELS rank: 45 / 92 = 0.489 (2016) - Q2 - T2
Factor impacto SCIMAGO: 0.662 - Electrical and Electronic Engineering (Q1) - Renewable Energy, Sustainability and the Environment (Q2) - Energy Engineering and Power Technology (Q2) - Control and Optimization (Q2) - Energy (miscellaneous) (Q2)

Financiación: info:eu-repo/grantAgreement/ES/MINECO/ENE2013-48517-C2-1-R
Tipo y forma: Article (Published version)
Área (Departamento): Área Ingeniería Eléctrica (Dpto. Ingeniería Eléctrica)

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