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50 Ergebnisse, ab 21
  • Externe Monographien

    Increased Integration of the Nordic and German Electricity Systems: Modelling and Assessment of Economic and Climate Effects of Enhanced Electrical Interconnection and the Additional Deployment of renewable Energies (Full Version)

    Increased integration of power systems is one of the prerequisites for the completion of the EU internal energy market – and with it the achievement of higher cross-border transmission capacities between European countries. The Nordic countries have vast potentials in renewable energy, such as wind energy, together with already existing hydropower reservoirs. As part of the Energiewende, the German ...

    Berlin: Agora Energiewende, 2015, 166 S. | János Hethey, Anders Kofoed-Wiuff, Lars Pauli Bornak, Hans Henrik Lindboe, Simon Sawatzki, Marievi Vestarchi, Klaus Skytte, Jonas Katz, Jonas Egerer, Alexander Zerrahn, Christian von Hirschhausen
  • Referierte Aufsätze Web of Science

    Substituting Clean for Dirty Energy: A Bottom-Up Analysis

    We fit CES and VES production functions to data from a numerical bottom-up optimization model of electricity supply with clean and dirty inputs. This approach allows for studying high shares of clean energy not observable today and for isolating mechanisms that impact the elasticity of substitution between clean and dirty energy. Central results show that (i) dirty inputs are not essential for production. ...

    In: Journal of the Association of Environmental and Resource Economists 10 (2023), 3, S. 819-863 | Fabian Stöckl, Alexander Zerrahn
  • Referierte Aufsätze Web of Science

    Modeling Flexibility in Energy Systems — Comparison of Power Sector Models Based on Simplified Test Cases

    Model-based scenario analyses of future energy systems often come to deviating results and conclusions when different models are used. This may be caused by heterogeneous input data and by inherent differences in model formulations. The representation of technologies for the conversion, storage, use, and transport of energy is usually stylized in comprehensive system models in order to limit the size ...

    In: Renewable and Sustainable Energy Reviews 158 (2022), 111995, 15 S. | Hans Christian Gils, Hedda Gardian, Martin Kittel, Wolf-Peter Schill, Alexander Zerrahn, Alexander Murmann, Jann Launer, Alexander Fehler, Felix Gaumnitz, Jonas van Ouwerkerk, Christian Bußar, Jennifer Mikurda, Laura Torralba-Díaz, Tomke Janßen, Christine Krüger
  • Referierte Aufsätze Web of Science

    Impacts of Power Sector Model Features on Optimal Capacity Expansion: A Comparative Study

    The transition towards decarbonized energy systems requires the expansion of renewable and flexibility technologies in power sectors. Many powerful tools exist to find optimal capacity expansion. In a stylized comparison of six models, we evaluate the capacity expansion results of basic power sector technologies. The technologies under investigation include base- and peak load power plants, electricity ...

    In: Renewable and Sustainable Energy Reviews 157 (2022), 112004, 12 S. | Jonas van Ouwerkerk, Hans Christian Gils, Hedda Gardian, Martin Kittel, Wolf-Peter Schill, Alexander Zerrahn, Alexander Murmann, Jann Launer, Laura Torralba-Díaz, Christian Bußar
  • Referierte Aufsätze Web of Science

    Optimal Supply Chains and Power Sector Benefits of Green Hydrogen

    Green hydrogen can help to decarbonize parts of the transportation sector, but its power sectorinteractions are not well understood so far. It may contribute to integrating variable renewable energysources if production is sufficiently flexible in time. Using an open-source co-optimization model of thepower sector and four options for supplying hydrogen at German filling stations, we find a trade-offbetween ...

    In: Scientific Reports 11 (2021), 14191, 14 S. | Fabian Stöckl, Wolf‑Peter Schill, Alexander Zerrahn
  • Referierte Aufsätze Web of Science

    An Open Tool for Creating Battery-Electric Vehicle Time Series from Empirical Data, emobpy

    There is substantial research interest in how future fleets of battery-electric vehicles will interact with the power sector. Various types of energy models are used for respective analyses. They depend on meaningful input parameters, in particular time series of vehicle mobility, driving electricity consumption, grid availability, or grid electricity demand. As the availability of such data is highly ...

    In: Scientific Data 8 (2021), 152, 18 S. | Carlos Gaete-Morales, Hendrik Kramer, Wolf-Peter Schill, Alexander Zerrahn
  • Referierte Aufsätze Web of Science

    Prosumage of Solar Electricity: Tariff Design, Capacity Investments, and Power Sector Effects

    We analyze how tariff design incentivizes households to invest in residential photovoltaic and battery storage systems, and explore selected electricity sector effects. To this end, we develop an open-source electricity sector model that explicitly features prosumage agents and apply it to German 2030 scenarios. Results show that lower feed-in tariffs substantially reduce investments in residential ...

    In: Energy Policy 152 (2021), 112168, 17 S. | Claudia Günther, Wolf-Peter Schill, Alexander Zerrahn
  • Referierte Aufsätze Web of Science

    Flexible Electricity Use for Heating in Markets with Renewable Energy

    Using electricity for heating can contribute to decarbonization and provide flexibility to integrate variable re-newable energy. We analyze the case of electric storage heaters in German 2030 scenarios with an open-sourceelectricity sector model. We find that flexible electric heaters generally increase the use of generation tech-nologies with low variable costs, which are not necessarily renewables. ...

    In: Applied Energy 266 (2020), 114571, 18 S. | Wolf-PeterSchill, AlexanderZerrahn
  • Referierte Aufsätze Web of Science

    On the Economics of Electrical Storage for Variable Renewable Energy Sources

    The use of renewable energy sources is a major strategy to mitigate climate change. Yet Sinn (2017) argues that excessive electrical storage requirements limit the further expansion of variable wind and solar energy. We question, and alter, strong implicit assumptions of Sinn’s approach and find that storage needs are considerably lower, up to two orders of magnitude. First, we move away from corner ...

    In: European Economic Review 108 (2018), S. 259-279 | Alexander Zerrahn, Wolf-Peter Schill, Claudia Kemfert
  • Referierte Aufsätze Web of Science

    Long-Run Power Storage Requirements for High Shares of Renewables: Results and Sensitivities

    We use the model DIETER, introduced in a companion paper, to analyze the role of power storage in systems with high shares of variable renewable energy sources. The model captures multiple system values of power storage related to arbitrage, capacity, and reserve provision. We apply the model to a greenfield setting that is loosely calibrated to the German power system, but may be considered as a more ...

    In: Renewable and Sustainable Energy Reviews 83 (2018), S. 156-171 | Wolf-Peter Schill, Alexander Zerrahn
50 Ergebnisse, ab 21
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