Simulation and Evaluation of the Economic Merit of Cloud Energy Storage for Prosumers: The Case of Germany

This paper investigates the merits of a virtual aggregation of spare capacities from decentralized batteries installed in private households. To this end, we develop a simulation model that enables to take into account the prevailing grid- use tariffs, feed-in tariffs, and other parameters for an ec...

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Bibliographic Details
Published in:Energy procedia 2017-01, Vol.105, p.3507-3514
Main Authors: Broering, Hendrik, Madlener, Reinhard
Format: Article
Language:English
Subjects:
Battery storage
Distributed generation
Photovoltaics
Prosumer household
Storage cloud
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Summary:This paper investigates the merits of a virtual aggregation of spare capacities from decentralized batteries installed in private households. To this end, we develop a simulation model that enables to take into account the prevailing grid- use tariffs, feed-in tariffs, and other parameters for an economic assessment of the viability of such an “energy storage cloud”. In the illustrative model application, we study the merits for four households in Germany over the period of one month by analyzing three distinct scenarios (one with no grid-use tariffs, one with unidirectional grid-use tariffs, and one with bidirectional grid-use tariffs). Three households are assumed to have hybrid PV-battery systems, whereas the fourth household aims at using the energy storage cloud for increasing its self-supply. We find that below a feed-in tariff of 10 €-ct/kWh, profits can indeed be made. The maximum net profit results in Scenario 1, where feed-in tariffs and grid-use costs are zero, and amounts to around €36 per month.
ISSN:1876-6102
1876-6102
DOI:10.1016/j.egypro.2017.03.804