Berliner Verkehrsbetriebe AöR (BVG)

Berliner Verkehrsbetriebe (BVG) is the motor that keeps Berlin running. With its dense network, modern vehicles and competent service, Berlin’s local public transport contributes to the quality of life in the city and its surroundings. With its range of services, BVG stands for equal mobility opportunities for all layers of the population and for traffic safety. The company also considers itself responsible for clean air, less noise and fewer exhaust gases.

Short description of the project contribution

Second life applications for used vehicle batteries in the operation of the BVG’s electrical fleet

BVG develops and practically tests different charging management methods for electric vehicle fleets for the grid-compatible and system-conducive provision of flexibility. To this end, the scenario of fully electrified public transport vehicles (100-200 e-buses per depot) is studied and prepared as a flexibility option within a smart energy system.

As part of this project, BVG will operate a charging management system for passenger car fleets that is already in operation. This concerns the eMobility-Scout research project, the main objective of which is to network the charging infrastructure, the e-vehicles and the electronically adaptable disposition system for economical fleet deployment. This system should be expanded with a second life storage system to enable grid-compatible charging. Together with the WindNODE partners and other associated partners, BVG has dedicated itself to four tasks:

  1. Practicability test of the controlled charging of electrically powered road vehicles in real public transport operations to support grids and systems.
  2. Business model analysis of second life applications and the use of the flexibility provided by these as operating reserve or other market products.
  3. Contributions to standardisation issues regarding second life applications.
  4. Proposals for the further development of the energy industry’s and regulatory framework.


6: New flexibility options

  • 6.1b: Second life applications for used vehicle batteries in the operation of an electrical fleet

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