Abstract
All over the world power systems are faced with great challenges because of the rapidly increasing integration of renewable energy sources. Electrical energy storage systems (ESS) can help to stabilize the output from volatile and intermittent renewable energy sources such as wind and solar energy. Basically they can be installed close to large wind farms or photovoltaic parks and provide many advantages for future integrated power systems. In this paper we study the impact of ESS on electrical power systems on a larger scale. Therefore we describe the implementation of two different charging strategies for ESS for an already developed simulation model for the German electrical power system and investigate different scenarios with respect to the installed capacities of renewable energy sources and the aggregated capacity of ESS. As a result different output parameters such as the electricity generation mix and CO 2 emissions can be investigated. The simulation results show how ESS contribute to a) the integration of electrical power generated by renewable energy sources and b) the reduction of electricity imports and exports.
Published Version
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