Vehicle-focussed analyses on the integration of electric vehicles into the electric grid in the context of the utilisation of renewable energy sources
Overview
Background & policy context:
A rapid market development of electric mobility is in view of the turnover of the German automotive industry in the amount of 315 billion € and the generated trade surplus of about 90 billion € an important objective. In addition, the electric mobility offers a variety of environmental potentials. In addition to the zero local emissions (noise, pollutants) , it opens the opportunity for climate policy to reduce greenhouse gas emissions from the transport sector dramatically. The realization of the potential depends on the use of renewable energy. The policy objectives of the Federal Government in Germany for the uptake of electric vehicles and the planned increase in the share of renewable energies in electricity supply may suggest that the transformation of electricity supply must be before the transformation of the transportation sector. However, both developments are not independent. Wanted are factors that enable linkage and mutual reinforcement of both development processes.
Objectives:
The project "Vehicle-focussed analyses on the integration of electric vehicles into the electric grid in the context of the utilisation of renewable energy sources" is engaged in the identification, analysis, evaluation and development of business models for smart grid integration of electric vehicles. The grid integration of electric vehicles is regarded mainly in terms of intelligent combination of renewable energy and electric vehicles.
Methodology:
Thanks to research projects, scientific research and practical activities of market players, five business models were identified and considered relevant for the project:
- Optimization of private power consumption from Photovoltaic and CHP (Combined heat and power plants) with electric vehicles.
- Participation in the Energy Trading market (V2G: Vehicle to Grid).
- Participation in the balancing power market
- controlled charging as part of a “green power product”
- spot market oriented charging with variable tariffs.
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