Journal
ENERGY POLICY
Volume 45, Issue -, Pages 576-582Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.enpol.2012.03.008
Keywords
EROI; Photovoltaics; Electricity
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A high energy return on energy investment (EROI) of an energy production process is crucial to its long-term viability. The EROI of conventional thermal electricity from fossil fuels has been viewed as being much higher than those of renewable energy life-cycles, and specifically of photovoltaics (PVs). We show that this is largely a misconception fostered by the use of outdated data and, often, a lack of consistency among calculation methods. We hereby present a thorough review of the methodology, discuss methodological variations and present updated EROI values for a range of modern PV systems, in comparison to conventional fossil-fuel based electricity life-cycles. (C) 2012 Elsevier Ltd. All rights reserved.
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