Energy intensities, EROIs (energy returned on invested), and energy payback times of electricity generating power plants

D. Weißbach, G. Ruprecht, A. Huke, K. Czerski, S. Gottlieb and A. Hussein

Energy, 2013, vol. 52, issue C, 210-221

Abstract: The energy returned on invested, EROI, has been evaluated for typical power plants representing wind energy, photovoltaics, solar thermal, hydro, natural gas, biogas, coal and nuclear power. The strict exergy concept with no “primary energy weighting”, updated material databases, and updated technical procedures make it possible to directly compare the overall efficiency of those power plants on a uniform mathematical and physical basis. Pump storage systems, needed for solar and wind energy, have been included in the EROI so that the efficiency can be compared with an “unbuffered” scenario. The results show that nuclear, hydro, coal, and natural gas power systems (in this order) are one order of magnitude more effective than photovoltaics and wind power.

Keywords: ERoEI; EROI; Energy return on invested; Energy intensity; Energy payback time; Life cycle assessment (search for similar items in EconPapers)
Date: 2013
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (59)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:52:y:2013:i:c:p:210-221

DOI: 10.1016/j.energy.2013.01.029

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