An exergy-based approach to the joint economic and environmental impact assessment of possible photovoltaic scenarios: A case study at a regional level in Italy

Emanuela Colombo, Matteo V. Rocco, Claudia Toro and Enrico Sciubba

Ecological Modelling, 2015, vol. 318, issue C, 64-74

Abstract: Most energy conversion systems, and especially electricity generation plants, do not operate at nominal conditions throughout their useful life: periodic, semi-periodic and stochastic changes in the availability of the resource affect solar (thermal and PV), wind, hydraulic, and geothermal plants, which in reality operate at off-design conditions for most of their life. To a smaller extent, fossil-fuelled plants may also be plagued by fuel availability problems and no longer easily predictable demand oscillation. In spite of the ever growing net connectivity, since the demand curve in even larger geographic regions displays a typical quasi-sinusoidal shape, fleet load modulation is unavoidable. Naturally, off-design operation and load cycling affect the cost of the generated kWh.

Keywords: Exergy; Thermoeconomics; Extended exergy accounting; Thermo-Ecological Cost; Off-design; Photovoltaic (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecomod:v:318:y:2015:i:c:p:64-74

DOI: 10.1016/j.ecolmodel.2014.11.006

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