Current Working Groups
Development of photovoltaics and wind energy
Photovoltaics and wind energy have made enormous technological progress in recent years and decades: The generated electricity is becoming cheaper and cheaper. The growth potential is large. However, the development is faltering and falling short on meeting the targets of the Paris Agreement. If Germany wants to achieve its national and European climate targets, the growth rate needs to accelerate. The urgency increases in the light of the growing demand for electricity and the new EU climate targets. The working group “development of photovoltaics and wind energy“ identifies barriers for the expansion of these energy sources and develops options to overcome them. The legal and economic framework, the planning and approval processes as well as questions of social acceptance and feasibility are being considered.
Hydrogen Economy 2030
Hydrogen is considered a key element in the energy transition for sector coupling: it provides the opportunity of replacing fossil fuels in sectors where the direct use of renewable electricity is not viable. For instance in the chemical and steel industries as well as aviation, shipping and heavy duty transport. The necessary quantities will probably not be produced domestically. Hydrogen imports could help close this gap between demand and production. The ESYS working group „Hydrogen Economy 2030“ is developing options for action for the market ramp-up for 2030, identifying advantages and disadvantages of the various options as well as research needs. The work focuses on topics such as availability, transport vectors, infrastructures, applications and certification. Which import volumes are feasible by 2030? Can existing infrastructures be re-used or are new ones to be created? How can the regulatory framework be designed so that economic business models can develop? Among other things, the working group will explore these questions.
Completed Working Groups
Resilience of digitalized energy systems
Without information and communication technologies, energy supply has become inconceivable. They enable the flow of information between energy providers, consumers, transformer stations and other subsystems, monitor the grid and sound the alarm in the event of problems. At the same time, digitalization involves risks such as manipulation, cyber attacks and defective applications. Energy supply is a critical infrastructure (KRITIS). A blackout would therefore have far-reaching consequences for society. The claim is: Digital energy infrastructures must be both secure and safeguarding. This means that they must be able to defend themselves against attacks and failures and at the same time keep the entire system functional. What opportunities and what challenges however could arise? Who are the main players and what is their responsibility? What needs to be done at regulatory level and in practice? The ESYS working group "Resilience of Digitalized Energy Systems" develops scientific based policy options to deal with these questions.
Electricity market design
The regulatory issues in the electricity market today are different from the liberalisation at the turn of the millennium, when the course was set for the German energy market design. The market design must therefore be adapted. In view of the foreseeable challenges, the development of market design should be fundamentally reconsidered in the light of past experience. Optimized market design can achieve climate protection targets more efficiently and effectively, improve the integration of renewable energies and contribute to supply security. For the target year 2030, the working group is determining how the electricity market for the decarbonisation of the energy system should be structured and which options for action will arise. To this end, the European emissions trading scheme, the promotion of renewable energies and the interaction of the electricity sector with the transport and heating sectors will be examined.
- Prof. Dr. Felix Müsgens
- Brandenburg University of Technology (BTU) Cottbus – Senftenberg
- Faculity of Mechanical Engineering, Electrical and Energy Systems
- Chair of Energy Economics
- Prof. Dr. Hartmut Weyer
- Clausthal University of Technology (CUT)
- Institute of German and International Mining and Energy Law
Centralised vs. decentralised power supply
Due to the increasing use of renewable energies, electricity is no longer produced only in large power plants, but also in smaller generation units. More and more private individuals, companies or municipalities are feeding power from their own wind or photovoltaic plants into the grid. Many citizens regard this development as an opportunity to assume an active part in the energy transition. How the trend towards a decentralised energy supply will affect the overall system remains, however, unclear. It might result in a functioning new system architecture, but it is also possible that the ensuing fragmentation of the energy system may increasingly lead to problems.
The Working Group attempts to demonstrate how centralised and decentralised elements can be integrated into a stable supply system. For this purpose, it analyses technical possibilities, legal framework conditions as well as political, economic and social issues.
- Prof. Dr. Peter Dabrock
- Friedrich-Alexander-Universität Erlangen-Nürnberg
- Department of Theology
- Chair of Systematic Theology II (Ethics)
- Prof. Dr.-Ing. Jutta Hanson
- Technische Universität Darmstadt
- Institute for Electric Power Systems
- Department of Electrical Power Systems with Integration of Renewable Energies
- Prof. Dr. Christoph Weber
- University of Duisburg-Essen
- Faculty of Business Administration and Economics
- Chair for Managment Science and Energy Economics
Governance for a European Energy Union
The 2030 Agenda for Sustainable Development and the Paris Climate Agreement set forth the goals of limiting global warming to well below 2° C and to achieve a greenhouse gas-neutral world by the second half of the century. In order to meet this challenge, the energy supply in Europe must be reorganised in a common European system. The Working Group examines the legal, political and economic framework of European energy policy, particularly with regard to existing barriers to the establishment of a European energy union. On this basis, governance guidelines are developed for a sustainable, secure and affordable energy union aiming at achieving complete carbon neutrality. The WG attempts to show the best ways how the process could be managed, how a fair and efficient distribution of the various tasks could be organised within the EU, and how civil society and the private sector should be involved.
- Prof. Dr. Sabine Schlacke
- WWU University of Münster
- Faculty of Law
- Institute for Environmental and Planning Law
- Managing Director
- Prof. Dr. Michèle Knodt
- Technische Universität Darmstadt
- Department of History and Social Sciences
- Institute for Political Science
- Jean Monnet Professor
- Prof. Dr. Christoph Böhringer
- Carl von Ossietzky University of Oldenburg
- Department of Economics
- Chair of Economic Policy
Bioenergy has several advantages: Being easily storable, it can compensate for fluctuations in wind and solar energy or generate heat. Biomass can serve as a basis for fuels or can be used in combination with the CCS technology, thus removing greenhouse gases from the atmosphere. According to climate models, this will be necessary in a few decades. But there are also disadvantages to consider: Unless sustainability criteria are enforced, the cultivation of energy crops will not only produce greenhouse gases, but will have a negative impact both in terms of biodiversity and soil quality, while also causing water pollution. The Working Group attempts to identify the best options for a sustainable and thus climate-friendly use of bioenergy for the energy supply.
Path dependencies in the transport sector
New energy infrastructures, in particular, have to be planned well in advance and require high investments. A path once chosen is hence difficult to leave – in other words path dependencies arise. On the other hand, nobody can predict exactly which technologies will be available in 2050 and what they will cost. So how can we judiciously decide today what the energy system in 2050 may require? The Working Group approaches this challenge in the exemplary fields of “urban mobility” and “freight transport”.
Coupling different energy sectors
If the political goal of reducing carbon emissions by 80 to 95 percent is to be met, it will not suffice to merely switch power generation to renewable sources. The heat supply and transport sectors will likewise need to become more climate-friendly. To this end, the individual sectors are to be more closely interlinked. Electrification serves as a starting point: In future, electric vehicles and heat pumps can be operated exclusively with power from renewable sources. Power-to-X technologies can be used to produce synthetic gas and fuels. The Working Group analyses possible development paths for a closer coupling of the different sectors and describes the respective consequences for the future energy supply.
Risk and resilience
A collapse of the energy supply system would threaten both the economy and society. Therefore, the energy system should be as robust as possible – ideally even “learning” from accidents so as to be better prepared for future events. How then can a secure power supply be ensured even in the simultaneous occurrence and interaction of several unforeseen events? And how does the energy transition affect the robustness of the system? A Working Group has elaborated exemplary “threat scenarios” which are described in an analysis. The subsequent position paper contains measures for a resilient energy system of the future.
In order to reduce the overall energy consumption, private consumers will also have to economise on energy. However, a high electricity bill very rarely induces people to actively change their energy consumption patterns. On the basis of behavioural findings, a Working Group has analysed, among other things, what incentives would indeed motivate private households to save energy.
Energy consumption has an impact on the demand for raw materials: While the consumption of coal, oil and gas is to be reduced in the long term, bioenergy can help to offset the fluctuating supply of wind and solar energy. At the same time, we require more metals in order to expand renewable energy plants, storage systems and grids. The Working Group has identified ways for Germany to become more independent of raw material imports as well as measures that can help to ensure the supply in the long term.
Energy scenarios frequently serve as a basis for political decisions. It is therefore of major importance that the results are both comprehensible and verifiable. However, many implementing institutions do not disclose their calculation models. Also, it is not always clear whether the commissioning institutions have influenced the results by any provisions they may have made. The Working Group has set up guidelines for the development of energy scenarios in order to increase their transparency.
Due to the weather, the power generation from wind and photovoltaics is volatile. Flexibility technologies are necessary to balance the ensuing fluctuations – by means of flexibly dispatchable power plants, storage systems, or the balancing of power demand and power feed-in (demand-side management). The challenge is to identify the technologies that combine stability, sustainability, cost efficiency and social acceptability. A Working Group has developed a special calculation model enabling the comparison of around 130 different constellations.
- Prof. Dr.-Ing. Peter Elsner
- Fraunhofer Institute for Chemical Technology ICT
- Institute Director
- Prof. Dr. Dirk Uwe Sauer
- RWTH Aachen University
- Institute for Power Electronics and Electrical Drives (ISEA)
- Chair for Electrochemical Energy Conversion and Storage Systems
Incorporating the German Energiewende into a comprehensive European approach
In order to mitigate global warming, as many countries as possible must strive to make their energy supply systems more sustainable. A sensible approach would be to interlink the German energy transition efforts more closely with European energy and climate policy. A Working Group has elaborated the requirements for an internationally compatible European model, focusing in particular on the European emissions trading system, the promotion of renewable energies and the EU’s internal electricity market.