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A holistic comparative analysis of different storage systems using levelized cost of storage and life cycle indicators

: Jülch, V.; Telsnig, T.; Schulz, M.; Hartmann, N.; Thomsen, J.; Eltrop, L.; Schlegl, T.

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Energy Procedia 73 (2015), pp.18-28
ISSN: 1876-6102
International Renewable Energy Storage Conference and Exhibition (IRES) <9, 2015, Düsseldorf>
Journal Article, Conference Paper, Electronic Publication
Fraunhofer ISE ()
Thermische Anlagen und Gebäudetechnik; Energiesystemanalyse; Techno-ökonomische Bewertung von Energietechnologien; batteries; cost; LCA; LCOS; storage

In this study, a detailed economic analysis is combined with an ecological analysis of electricity storage systems. On the economic side, a “Levelized Cost of Storage (LCOS)” analysis is conducted, which assesses the cost of stored electricity. The LCOS is determined for a specific case of a private household in combination with a PV system. On the ecological side a “Life Cycle Assessment” (LCA) is used to calculate the environmental impact of electricity storage as well as the CO2 abatement costs. In the parameterized LCA the energy generation process used to feed the storage system, the material and the energy demand during the life cycle of the storage options is considered. With the parameterized LCA approach, the ecologically most rational storage systems can be identified. Results show that PV storage systems at household level are an environmental friendly option to increase the self-consumption and will be economically attractive in about ten years.