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Referierte Aufsätze Web of Science
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
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Referierte Aufsätze Web of Science
We examine the role of prosumage of solar electricity, i.e. PV self-generation combined with distributed storage, in the context of the low-carbon energy transformation. First, we devise a qualitative account of arguments in favor of and against prosumage. Second, we give an overview of prosumage in Germany. Prosumage will likely gain momentum as support payments expire for an increasing share of PV ...
In:
Economics of Energy and Environmental Policy
6 (2017), 1, S. 7-31
| Wolf-Peter Schill, Alexander Zerrahn, Friedrich Kunz
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Referierte Aufsätze Web of Science
The purpose of this article is twofold. First, we review model-based analyses that explore the role of power storage in energy systems with high shares of variable renewables. Second, we introduce a new model that is specifically designed for exploring long-term storage requirements. The literature survey focuses on recent contributions in the peer-reviewed energy economics and engineering literature. ...
In:
Renewable and Sustainable Energy Reviews
79 (2017),S. 1518-1534
| Alexander Zerrahn, Wolf-Peter Schill
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Referierte Aufsätze Web of Science
The emerging literature on power markets with high shares of variable renewable energy sources suggests that the costs of more frequent start-ups of thermal power plants may become an increasing concern. Here we investigate how this develops in Germany, where the share of variable renewables is expected to grow from 14% in 2013 to 34% in 2030. We show that the overall number of start-ups grows by 81%, ...
In:
Nature Energy
2 (2017), 17050, 6 S.
| Wolf-Peter Schill, Michael Pahle, Christian Gambardella
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Referierte Aufsätze Web of Science
We analyze the welfare effects of two different renewable support schemes designed to achieve a given target for the share of fluctuating renewable electricity generation: a feed-in premium (FiP), which can induce negative wholesale prices, and a capacity premium (CP), which does not. For doing so we use a stylized economic model that differentiates between real-time and flat-rate pricing and is loosely ...
In:
The Energy Journal
37 (2016), SI3, S. 147-169
| Michael Pahle, Wolf-Peter Schill, Christian Gambardella, Oliver Tietjen
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Referierte Aufsätze Web of Science
In Germany and beyond, various capacity mechanisms are currently being discussed with a view to improving the security of electricity supply. One of these mechanisms is a strategic reserve that retains generation capacity for use in times of critical supply shortage. We argue that strategic reserves have specific advantages compared to other capacity mechanisms in the context of the European energy ...
In:
Utilities Policy
41 (2016), S. 252-263
| Karsten Neuhoff, Jochen Diekmann, Friedrich Kunz, Sophia Rüster, Wolf-Peter Schill, Sebastian Schwenen
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Referierte Aufsätze Web of Science
We analyze various regulatory regimes for electricity transmission investment in the context of a power system transformation toward renewable energy. Distinctive developments of the generation mix are studied, assuming that a shift toward renewables may have temporary or permanent impacts on network congestion. We specifically analyze the relative performance of a combined merchant-regulatory price-cap ...
In:
The Energy Journal
36 (2015), 4, S. 105-128
| Jonas Egerer, Juan Rosellón, Wolf-Peter Schill
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Referierte Aufsätze Web of Science
We analyze the impacts of future scenarios of electric vehicles (EVs) on the German power system, drawing on different assumptions on the charging mode. We find that the impact on the load duration curve strongly differs between charging modes. In a fully user-driven mode, charging largely occurs during daytime and in the evening, when power demand is already high. User-driven charging may thus have ...
In:
Applied Energy
156 (2015), S. 185-196
| Wolf-Peter Schill, Clemens Gerbaulet
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Referierte Aufsätze Web of Science
Adequate extension of electricity transmission networks is required for integrating fluctuating renewable energy sources, such as wind power, into electricity systems. We study the performance of different regulatory approaches for network expansion in the context of realistic demand patterns and fluctuating wind power. In particular, we are interested in the relative performance of a combined merchant-regulatory ...
In:
Journal of Regulatory Economics
47 (2015) 1, S. 1-28
| Wolf-Peter Schill, Jonas Egerer, Juan Rosellón
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Referierte Aufsätze Web of Science
DSM (demand-side management) merits increased attention by power system modelers. Numerical models should incorporate DSM constraints in a complete and consistent way. Otherwise, flawed DSM patterns and distorted conclusions on the system benefits of demand-side management are inevitable. Building on a model formulation put forward by Göransson et al. (2014), it is first suggested to include an additional ...
In:
Energy
84 (2015), S. 840-845
| Alexander Zerrahn, Wolf-Peter Schill