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Energies 2018, 11(9), 2365; https://doi.org/10.3390/en11092365

Economic Optimal Implementation of Virtual Power Plants in the German Power Market

1
Department of Waste & Resource Management, Faculty of Agricultural and Environmental Science, University of Rostock, 18059 Rostock, Germany
2
Department of Engineering Science, Faculty of Engineering, Aschaffenburg University of Applied Sciences, 63743 Aschaffenburg, Germany
3
Deutsches Biomasseforschunsgzentrum gGmbH (DBFZ), the Centre for Biomass Research in Germany, 04347 Leipzig, Germany
*
Authors to whom correspondence should be addressed.
Received: 9 August 2018 / Revised: 22 August 2018 / Accepted: 5 September 2018 / Published: 7 September 2018
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Abstract

The burden of excess energy from the high renewable energy sources (RES) share creates a significant reduction of residual load for the future, resulting in reduced market prices. The higher the share of stochastic RES, the more often the price will be 0 €/MWh. The power market needs new methods to solve these problems. The development of virtual power plants (VPPs) is aimed at solving techno-economic problems with an increasing share of RES in the power market. This study analyses a possible implementation of stochastic and deterministic RES in a VPP to generate secured power, which can be implemented in the European Power Exchange (EPEX)/European Energy Exchange (EEX) power market using existing market products. In this study, the optimal economic VPP configuration for an RES-based power plant is investigated and implemented into standard power market products. The results show that the optimal economic VPP configuration for different market products varies, depending on the energy availability and the marginal costs of the VPP components. The size of the VPP components is positively correlated to the components’ share of the energy generated. It was also found that projecting or implementing VPPs in Germany at current market prices (EPEX/EEX prices) is not yet economically feasible for a small share of market products. However, the secured power can be marketed on the SPOT and in the futures market with higher and more stable prices compared with the status quo. View Full-Text
Keywords: VPP; marketing; configuration; energy transition; power market; EPEX; EEX; power market products VPP; marketing; configuration; energy transition; power market; EPEX; EEX; power market products
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Candra, D.I.; Hartmann, K.; Nelles, M. Economic Optimal Implementation of Virtual Power Plants in the German Power Market. Energies 2018, 11, 2365.

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