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DIW Weekly Report 22/23 / 2022

Expanding Solar Energy Capacity to Power the Transition to Heat Pumps

Increasing the use of heat pumps is an important measure for reducing carbon emissions in the heating sector as well as natural gas imports. This report uses an electricity sector model to investigate the effects of an accelerated expansion of the heat pump stock on the German electricity sector in 2030. Adding around six million heat pumps would increase electricity demand by nine percent in 2030; ...

2022| Alexander Roth, Carlos David Gaete Morales, Adeline Guéret, Dana Kirchem, Martin Kittel, Wolf-Peter Schill
DIW Weekly Report 14/15/16 / 2022

ECB Can Lower Fuel and Heating Costs by Increasing Interest Rates but Would Risk Economic Recovery

Inflation has been growing considerably since the middle of 2021, with rising energy prices driving the increase in particular. Since the end of February 2022, the trend has also been exacerbated by the ongoing Russian invasion of Ukraine. To keep prices stable, the European Central Bank must rein in its accommodative monetary policy. However, would doing so—by enacting an interest rate increase, for ...

2022| Gökhan Ider, Alexander Kriwoluzky, Frederik Kurcz
DIW focus 7 / 2022

Energy Supply Security in Germany Can Be Guaranteed even without Natural Gas from Russia

The Russian war on Ukraine and Germany’s dependence on Russian gas require a rethink of German energy supplies. While there is a heated debate about an immediate energy embargo, Russia could also stop its supplies at any time. To date, Germany has purchased around 55 percent of its natural gas from Russia. DIW Berlin has developed scenarios for how the German energy system could become independent ...

2022| Franziska Holz, Robin Sogalla, Christian von Hirschhausen, Claudia Kemfert
Externe referierte Aufsätze

Decentral Electrification, Network Interconnection, and Local Power Markets: An Introduction

In: Economics of Energy and Environmental Policy 11 (2022), 1, S. 1-4 | Sebastian Groh, Valerie J. Karplus, Christian von Hirschhausen
Externe referierte Aufsätze

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
Externe referierte Aufsätze

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
Externe referierte Aufsätze

On the Economics of Storage for Electricity: Current State and Future Market Design Prospects

Since the early beginnings of the electricity system, storage has been of high relevance for balancing supply and demand. Through expanded electricity production by variable renewable technologies such as wind and photovoltaics, the discussion about new options for storage technologies is emerging. In addition, the electricity markets were subject to remarkable alterations. Some developments which ...

In: Wiley Interdisciplinary Reviews: Energy and Environment (2022), im Ersch. [online first: 2022-01-17] | Reinhard Haas, Claudia Kemfert, Hans Auer, Amela Ajanovic, Marlene Sayer, Albert Hiesl
Externe referierte Aufsätze

The EU Sustainable Finance Taxonomy and Its Contribution to Climate Neutrality

The EU Taxonomy is the first standardised and comprehensive classification system for sustainable economic activities. It covers activities responsible for up to 80% of EU greenhouse gas emissions and may play an important role in channelling investments into low-carbon technologies by helping investors to make informed decisions. However, especially in transition sectors much depends on the stringency ...

In: Journal of Sustainable Finance & Investment (2021), im Ersch. [online first: 2021-12-08] | Franziska Schütze, Jan Stede
Externe referierte Aufsätze

Chances and Barriers for Germany’s Low Carbon Transition: Quantifying Uncertainties in Key Influential Factors

With the energy sector being one of the largest sources of global greenhouse-gas emissions, a swift change in the ways of energy generation and consumption is needed for a fulfilment of climate goals. But while the existence of global warming and the resulting need for action are widely agreed upon, there is a lot of discussion around the concrete measures and their timeline. A major cause of this ...

In: Energy 239 (2022), Part A, 121901, 19 S. | Konstantin Löffler, Thorsten Burandt, Karlo Hainsch, Pao-Yu Oei, Frederik Seehaus, Felix Wejda
Externe referierte Aufsätze

Centralized and Decentral Approaches to Succeed the 100% Energiewende in Germany in the European Context – A Model-based Analysis of Generation, Network, and Storage Investments

In this paper, we explore centralized and more decentral approaches to succeed the energiewende in Germany, in the European context. We use the AnyMOD framework to model a future renewable-based European energy system, based on a techno-economic optimization, i.e. cost minimization with given demand, including both investment and the subsequent dispatch of capacity. The model includes 29 regions for ...

In: Energy Policy 167 (2021), 113039, 9 S. | Mario Kendziorski, Leonard Göke, Christian von Hirschhausen, Claudia Kemfert, Elmar Zozmann
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