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  • 1
    Publication Date: 2021-04-20
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
    Type: report , doc-type:report
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  • 2
    Publication Date: 2022-02-18
    Description: The present brief analysis provides an overview about costs and benefits of the promotion of renewable energies in the framework of the EEG. We describe the development of the EEG apportionment in recent years, and its possible development in coming years. Furthermore, the analysis examines the merits of some of the most commonly expressed points of criticism against the EEG. Finally, we examine the extent to which the calculations regarding the costs of the expansion of photovoltaics, which are often raised in the media, are correct, and how they are to be interpreted.
    Keywords: ddc:330
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: report , doc-type:report
    Format: application/pdf
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  • 3
    Publication Date: 2022-02-18
    Description: Following the decisions of the Paris climate conference at the end of 2015 as well as similar announcements e.g. from the G7 in Elmau (Germany) in the summer of 2015, long-term strategies aiming at (almost) full decarbonisation of the energy systems increasingly move into the focus of climate and energy policy. Deep decarbonisation obviously requires a complete switch of energy supply towards zero GHG emission sources, such as renewable energy. A large number of both global as well as national climate change mitigation scenarios emphasize that energy efficiency will likewise play a key role in achieving deep decarbonization. However, the interdependencies between a transformation of energy supply on the one hand and the role of and prospects for energy efficiency on the other hand are rarely explored in detail. This article explores these interdependencies based on a scenario for Germany that describes a future energy system relying entirely on renewable energy sources. Our analysis emphasizes that generally, considerable energy efficiency improvements on the demand side are required in order to have a realistic chance of transforming the German energy system towards 100 % renewables. Efficiency improvements are especially important if energy demand sectors will continue to require large amounts of liquid and gaseous fuels, as the production of these fuels are associated with considerable energy losses in a 100 % renewables future. Energy efficiency on the supply side will therefore differ considerably depending on how strongly the use of liquid and gaseous fuels in the various demand sectors can be substituted through the direct use of electricity. Apart from a general discussion of the role of energy efficiency in a 100 % renewable future, we also look at the role of and prospects for energy efficiency in each individual demand sector.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: conferenceobject , doc-type:conferenceObject
    Format: application/pdf
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  • 4
    Publication Date: 2022-02-18
    Description: Several low-carbon energy roadmaps and scenarios have recently been published by the European Commission and the International Energy Agency (IEA) as well as by various stakeholders such as Eurelectric, ECF and Greenpeace. Discussions of these studies mainly focus on technology options available on the electricity supply side and mostly omit the significant challenges that all of the scenarios impose on the energy demand side. A comparison of 5 decarbonisation scenarios from 4 of the most relevant recent scenario studies for the EU shows that all of them imply significant efficiency improvements in traditional appliances, usually well above levels historically observed over longer periods of time. At the same time they assume substantial electrification of transportation and heating. The scenarios suggest that both of these challenges need to be tackled successfully for decarbonising the energy system. With shares of renewable electricity reaching at least 60 % of supply in 2050 in almost all of the decarbonisation scenarios, the adaptation of demand to variable supply becomes increasingly important. This aspect of demand side management should therefore be part of any policy mix aiming for a low-carbon power system. Based on a quantitative analysis of 5 decarbonisation scenarios and a comparison with historical evidence we derive the (implicit) new challenges posed by the current low-carbon roadmaps and develop recommendations for energy policy on the electricity demand side.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: conferenceobject , doc-type:conferenceObject
    Format: application/pdf
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  • 5
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    Stockholm : Europ. Council for an Energy Efficient Economy | Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Publication Date: 2022-02-18
    Description: International consensus is growing that a transition towards a low carbon society (LCS) is needed over the next 40 years. The G8, the Major Economies Forum on Energy and Climate, as well as the Ad Hoc Working Group on Long-term Cooperative Action under the United Nations Framework Convention on Climate Change, have concluded that states should prepare their own Low-emission Plans or Low-emission Development Plans and such plans are in development in an increasing number of countries. An analysis of recent long-term low emission scenarios for Germany shows that all scenarios rely heavily on a massive scale up of energy efficiency improvements based on past trends. However, in spite of the high potential that scenario developers assign to this strategy, huge uncertainty still exists in respect of where the efficiency potentials really lie, how and if they can be achieved and how much their successful implementation depends on more fundamental changes towards a more sustainable society (e.g. behavioural changes). In order to come to a better understanding of this issue we specifically examine the potential for energy efficiency in relation to particular demand sectors. Our comparative analysis shows that despite general agreement about the high importance of energy efficiency (EE), the perception on where and how to achieve it differ between the analysed scenarios. It also shows that the close nexus between energy efficiency and non-technical behavioural aspects is still little understood. This leads us to the conclusion that in order to support energy policy decisions more research should be done on energy efficiency potential. A better understanding of its potential would help energy efficiency to fulfil its role in the transition towards a LCS.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: conferenceobject , doc-type:conferenceObject
    Format: application/pdf
    Location Call Number Limitation Availability
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  • 6
    Publication Date: 2022-02-18
    Description: The EU has set itself ambitious targets with regards to a significant reduction of its greenhouse gas emissions and has presented roadmaps depicting an overall decarbonisation of its economy by the middle of the century. In this context European policymakers and stakeholders are currently discussing the targets and the level of ambition of the 2030 climate and energy policy framework. The Commission is expected to present its own vision for the further development of the energy and climate policy framework in its White Paper "For a 2030 climate and energy policy framework". At this decisive point in the political debate the Wuppertal Institute presents a brief working paper that analyses some of the analytical work - particularly the underlying energy and GHG emission scenarios - behind the Commission's proposals to be presented in the forthcoming White Paper.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: workingpaper , doc-type:workingPaper
    Format: application/pdf
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  • 7
    Publication Date: 2022-02-18
    Description: On behalf of the Port of Rotterdam Authority, the Wuppertal Institute developed three possible pathways for a decarbonised port of Rotterdam until 2050. The port area is home to about 80 per cent of the Netherlands' petrochemical industry and significant power plant capacities. Consequently, the port of Rotterdam has the potential of being an international leader for the global energy transition, playing an important role when it comes to reducing CO2 emissions in order to deliver on the EU's long-term climate goals. The three decarbonisation scenarios all built on the increasing use of renewables (wind and solar power) and the adoption of the best available technologies (efficiency). The analysis focuses on power plants, refineries and the chemical industry, which together are responsible for more than 90 per cent of the port area's current CO2 emissions. The decarbonisation scenarios describe how CO2 emissions could be reduced by 75 to 98 per cent in 2050 (compared to 2015). Depending on the scenario, different mitigation strategies are relied upon, including electrification, closure of carbon cycles or carbon capture and storage (CCS). The study includes recommendations for local companies, the Port Authority as well as policy makers. In addition, the study includes a reference scenario, which makes it clear that a "business as usual" mentality will fall well short of contributing adequately to the EU's long-term climate goals.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: report , doc-type:report
    Format: application/pdf
    Location Call Number Limitation Availability
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  • 8
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    Stockholm : Europ. Council for an Energy Efficient Economy
    Publication Date: 2022-02-18
    Description: The Port of Rotterdam is an important industrial cluster mainly comprising of oil refining, chemical manufacturing and power and steam generation. In 2015, the area accounted for 18 % of the Netherlands' total CO2 emissions. The Port of Rotterdam Authority is aware that the port's economy is heavily exposed to future global and EU decarbonization policies, as the bulk of its activities focuses on trading, handling, converting and using fossil fuels. Based on a study for the Port Authority, our paper explores possible pathways of how the industrial cluster can keep its strong market position in Europe and still reduce its CO2 emissions by 98 % by 2050. The "Biomass and CCS" scenario assumes that large amounts of biomass can be supplied sustainably and will be used in the port for power generation as well as for feedstock for refineries and the chemical industry. Fischer-Tropsch fuel generation plays an important role in this scenario, allowing the port to become a key cluster for the production of synthetic fuels and feedstocks in Western Europe. The "Closed Carbon Cycle" scenario assumes that renewables-based electricity will be used at the port to supply heat and hydrogen for the synthetic generation of feedstock for the chemical industry. The carbon required for the chemicals will stem from recycled waste. Technologies particularly needed in this scenario are water electrolysis and gasification or pyrolysis to capture carbon from waste, as well as technologies for the production of base chemicals from syngas. The paper compares both scenarios with regard to their respective technological choices and infrastructural changes. The scenarios’ particular opportunities and challenges are also discussed. Using possible future pathways of a major European petrochemical cluster as an example, the paper illustrates options for deep decarbonisation of energy intensive industries in the EU and beyond.
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: conferenceobject , doc-type:conferenceObject
    Format: application/pdf
    Location Call Number Limitation Availability
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