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Grid integration of mobile energy storage: test based evaluation, technical potential and willingness to pay of car owners (NET-INES)

Project aim

The aim of the project is to work out the integrated technical, economic and motivational conditions for the grid integration of mobile electrical energy storage - consisting of traction batteries of electric vehicles (EV) - and their use for network services (vehicle-to-grid (V2G)). The conditions of battery, grid and the expectations of potential electric vehicles owners are particularly considered. Thus, the analysis of the project NET ELAN ( is focused and deepened.

Central questions

The analysis is guided by three central questions:

  1. What additional aging of the traction batteries can be expected if storage capacity of electric vehicles is used for network services?
  2. Which conditions should be met for car owners to agree to a parallel use of the car battery?
  3. How much can bundled storages of electric vehicles contribute to the stability of the grid and the integration of fluctuating renewable energy sources?

By answering these questions, the understanding of technical, economic and motivational conditions of the network integration is extended. This is a prerequisite for the development of applications for the grid integration of mobile energy storage.


To answer these central questions:

  1. tests for the evaluation of the battery aging,
  2. tests for the analysis of network applications,
  3. polls for the identification of motivational conditions of car owners for the network integration of their mobile storages will be carried out and
  4. economic conditions and incentive systems for car owners will be analyzed..

Project data


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Federal Ministry of Economics and Technology, FKZ 03ET4005 (A-C)
Duration of the projectJuly 2012 to June 2015

Project partners

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Forschungszentrum Jülich GmbH (Koordination)

Institut für Energie- und Klimaforschung Systemforschung und Technologische Entwicklung (IEK-STE)

D-52425 Jülich


Technische Universität Berlin

Institut für Energie- und Automatisierungstechnik, Fachgebiet Energieversorgungsnetze und Integration erneuerbarer Energien (SENSE)

Einsteinufer 11 (EMH-1)

D-10587 Berlin

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Zentrum für Sonnenenergie- und Wasserstoff-Forschung Baden-Württemberg (ZSW)

Fachgebiet Elektrochemische Akkumulatoren (ECA)

Lise-Meitner-Str. 24

89081 Ulm

Gruppenfoto NET INESDipl.-Ing Clemens Günther (ZSW), Dipl.-Ing. Stefan Mischinger (SENSE), Dipl.-Soz.-Wiss. Dr. Diana Schumann (FZJ), Prof. Dr.-Ing. Kai Strunz (SENSE), Dr.-Ing. Michael Danzer (ZSW), Dipl.-Volksw. Dr. Joachim Geske (FZJ)