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  • ddc:600  (65)
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  • 1
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    Realising long-term transitions towards low carbon societies : impulses from the 8th annual meeting of the International Research Network for Low Carbon Societies (2017)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: In spite of current multiple political crises, global warming will remain a prime issue on the global agenda. The adoption of the Paris Agreement in 2015 and its quick ratification in 2016 have created a strong momentum for worldwide action against climate change. As global greenhouse gas emissions must decline towards levels close to zero by the middle of the century, the rapid decarbonisation of energy systems is high on the agenda of most countries around the globe. This publication delivers insights into cutting edge research on the necessary transitions towards low carbon societies and by this aims to contribute to international as well as national policymaking. The topics covered in more than 20 concise original articles are among the most important issues for progressing solutions for climate change and sustainable development. The papers discuss recent findings and case studies in the following subject areas: Governance of the necessary long-term transitions in the context of potential known and unknown adverse developments; Policy instruments and strategies that allow for financing the transition to low carbon economies and, at the same time, respond to today's economic and social challenges; Integrated strategies for three of the most important arenas of global decarbonisation: Cities, as much of the change and necessary investment for low carbon societies must take place, be planned, be financed and be built in cities; industry, particularly the energy-intensive processing industries, which are at the core of society's metabolism and are responsible for a large and growing share of global emissions and science as a whole, which must become more solutions-oriented because the transitions needed will rely heavily on research providing solutions for technological as well as societal problems. As a contribution to these great challenges and at the request of the G7 Environment Ministers, the Low Carbon Society Research Network (LCS-RNet) acts as a forum aimed at fostering research and policymaking to jointly achieve decarbonised energy systems in countries around the world. It convenes leading scientists, practitioners and policymakers and aims at supporting governments in proceeding jointly towards the design and implementation of climate-friendly low carbon societies.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: report , doc-type:report
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  • 2
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    Metallic raw materials, worldwide recovery of PGM and materials for infrastructure : executive summary of the results of the task 2 of the project "Material efficiency and resource conservation" (MaRess) (2010)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie | Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-02-18
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: workingpaper , doc-type:workingPaper
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  • 3
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    Sustainable transformation of Egypt's energy system : development of a phase model (2022)
    Cairo : Friedrich-Ebert-Siftung
    Details
    Publication Date: 2022-02-18
    Description: A clear understanding of socio-technical interdependencies and a structured vision are prerequisites for fostering and steering a transition to a fully renewables-based energy system. To facilitate such understanding, a phase model for the renewable energy transition in MENA countries has been developed and applied to the country case of Egypt. It is designed to support the strategy development and governance of the energy transition and to serve as a guide for decision makers. Egypt, with its abundant solar and wind energy potential, has excellent preconditions to embark on the pathway towards a 100% renewable energy system. The country has successfully taken its first steps in this direction by attracting international finance and implementing several large-scale solar and wind projects. Yet, while Egypt has made significant progress, increased efforts are still required if the country aims to proceed towards a fully renewables-based system. The stronger system integration of renewable energies requires, for example, an alignment of regulations for the electricity, mobility and heat sectors. In this context, Egypt would be well advised to develop and implement an overall strategy for the energy transition that includes not only electricity generation but all sectors. By placing a stronger focus on renewable energy, also to decarbonise the industrial sector, Egypt, as Africa's second most industrialised country, could seize the opportunity for economic development within a decarbonising global economy. The results of the analysis along the transition phase model towards 100% renewable energy are intended to stimulate and support the discussion on Egypt's future energy system by providing an overarching guiding vision for the energy transition and the development of appropriate policies.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
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  • 4
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    Sustainable transformation of Morocco's energy system : development of a phase model (2024)
    Agdal Rabat : Friedrich-Ebert-Stiftung
    Details
    Publication Date: 2024-01-18
    Description: A clear understanding of socio-technical interdependencies and a structured vision are prerequisites for fostering and steering a transition to a fully renewables-based energy system. To facilitate such understanding, a phase model for the renewable energy (RE) transition in MENA countries has been developed and applied to the country case of Morocco. It is designed to support the strategy development and governance of the energy transition and to serve as a guide for decision makers. Such a phase model could be shared widely as part of Morocco's engagement in international platforms of multilateral collaboration, such as the Energy Transition Council (chaired by the United Kingdom (UK) and managed by the British Embassy - Rabat). The analysis shows that Morocco has fully embarked on the energy transition. According to the MENA phase model, Morocco can be classified as being in the second phase "System Integration of Renewables". Nevertheless, Morocco plans to considerably increase the use of natural gas in order to back up intermittent solar and wind energy sources. The diversification of energy sources and a diverse portfolio of storage options, including solar thermal power and hydrogen, can foster flexibility options. To this end, a roadmap for power-to-X (PtX) should be considered for a smooth transition of the Moroccan energy supply and demand system. The expansion of local REs can significantly contribute to reducing Morocco's high fossil fuel imports that are causing a high fiscal burden. With this regard, energy security can be strengthened. Next to large-scale deployment, decentralisation of the energy system must be built to encourage an energy transition on all societal levels. The results of the analysis along the transition phase model towards 100% RE are intended to stimulate and support the discussion on Morocco's future energy system by providing an overarching guiding vision for energy transition and the development of appropriate policies.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
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  • 5
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    Assessment of CO2 storage capacity in geological formations of Germany and Northern Europe (2011)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-02-18
    Description: CCS is discussed in a broad sense throughout Europe. In this paper a cautious, conservative estimate of CO2 storage capacity for Germany and its neighbouring countries where CO2 emissions from Germany could possibly be stored (Netherlands, France, Denmark, Norway, UK and Poland) is presented. Such a lower limit calculation is necessary for orientation purposes for potential investors and political decision-makers. Conservative CO2 sequestration capacity in deep saline aquifers for Germany is derived by the volumetric approach where parameters such as efficiency factor, CO2 density, porosity of the geological formation are of interest. It is assumed that every geological system is closed and thus an efficiency factor of 0.1 per cent (based on maximum pressure increase and total compressibility) for saline aquifers is applied. The capacity of German depleted oil and gas fields is based on cumulative recovery data and a sweep efficiency of 75 per cent. The storage capacity in the other considered countries, adjacent to Germany, are based on a critical review and adjustment of the results of the European reports JOULE II, GESTCO and GeoCapacity. The conservative capacities for all countries together amount to 49 Gt CO2, from which Norway and the UK provide 36 Gt, all offshore in the North Sea. Compared to the emissions from large point sources in these countries during 40 years (47.6 Gt of CO2), a virtual balance is achieved. This can only be reached, if a large scale CO2 pipeline system is installed to connect these countries, especially Germany, to the large sinks in the North Sea. If additional restrictions like source-sink matching, acceptance issues and injection rates constraints are taken into account, the available storage space gets increasingly scarce.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: contributiontoperiodical , doc-type:contributionToPeriodical
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  • 6
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    Sustainable transformation of Yemen's energy system : development of a phase model (2022)
    Sana'a : Friedrich-Ebert-Stiftung
    Details
    Publication Date: 2022-08-17
    Description: A clear understanding of socio-technical interdependencies and a structured vision are prerequisites for fostering and steering a transition to a fully renewables-based energy system. To facilitate such understanding, a phase model for the renewable energy (RE) transition in MENA countries has been developed and applied to the country case of Yemen. It is designed to support the strategy development and governance of the energy transition and to serve as a guide for decision makers. The transition towards REs is still at a quite early stage in Yemen. The military conflict has prevented the implementation of most of the planned large-scale renewable projects. The political instability, the high dependence on fossil fuels, and poor administrative performance are the most pressing concerns for Yemen's electricity sector. At an operational level, Yemen requires a total retrofit of the electricity infrastructure and needs to expand its overall capacity while improving its efficiencies. Despite these challenges, rebuilding the energy system after the political turmoil and the subsequent violent conflicts could offer Yemen the capability to transition towards renewables. This will provide short-term and long-term opportunities and avoid stranded investments in fossil-fuel capacities. The priority is to improve the framework conditions for RE in Yemen, starting with the development of a long-term strategy up to 2030 and beyond. Also, an appropriate and transparent legislation must be created. Furthermore, based on the legislation, clear regulations for REs must be introduced, and a realistic timeframe for expansion must be established in order to promote acceptance and market development on a large scale. The results of the analysis along the transition phase model towards 100% RE are intended to stimulate and support the discussion on Yemen's future energy system by providing an over-arching guiding vision for the energy transition and the development of appropriate policies.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: report , doc-type:report
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  • 7
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    The potential role of direct air capture in the German energy research program : results of a multi-dimensional analysis (2019)
    Details
    Publication Date: 2021-05-06
    Description: A significant reduction in greenhouse gas emissions will be necessary in the coming decades to enable the global community to avoid the most dangerous consequences of man-made global warming. This fact is reflected in Germany's 7th Federal Energy Research Program (EFP), which was adopted in 2018. Direct Air Capture (DAC) technologies used to absorb carbon dioxide (CO2) from the atmosphere comprise one way to achieve these reductions in greenhouse gases. DAC has been identified as a technology (group) for which there are still major technology gaps. The intention of this article is to explore the potential role of DAC for the EFP by using a multi-dimensional analysis showing the technology's possible contributions to the German government's energy and climate policy goals and to German industry's global reputation in the field of modern energy technologies, as well as the possibilities of integrating DAC into the existing energy system. The results show that the future role of DAC is affected by a variety of uncertainty factors. The technology is still in an early stage of development and has yet to prove its large-scale technical feasibility, as well as its economic viability. The results of the multi-dimensional evaluation, as well as the need for further technological development, integrated assessment, and systems-level analyses, justify the inclusion of DAC technology in national energy research programs like the EFP.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
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  • 8
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    The state-of-the-art of organic waste to energy in Latin America and the Caribbean : challenges and opportunities (2020)
    Details
    Publication Date: 2022-02-18
    Description: Organic waste to energy (OWtE) technologies have been developed and implemented in Latin America and the Caribbean (LAC) countries. However, they are still far away to significantly contribute not only to treat the ever-increasing waste volumes in the region but also to supply the regional energy demand and meet national carbon emission goals. The technical complexity of these technologies aligned with lack of research, high investment costs and political deficiencies have not allowed for an appropriate implementation of OWtE in the region, where the applicability of large-scale plants remains to be demonstrated. This research presents the state-of-the art of OWtE technologies in the context of the LAC countries based on archival research method. In addition, it presents challenges and opportunities that the region is facing for an adequate implementation of these technologies. The main findings show that OWtE have the potential to improve waste and energy systems in the region by reducing environmental impacts along with a series of social and economic benefits, such as increasing access to a sustainable energy supply. Diverse researches indicate principally anaerobic digestion, fermentation (e.g. 2G bioethanol, etc.), microbial fuel cells, gasification and pyrolysis as efficient technologies to treat solid organic wastes and produce bioenergy.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
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  • 9
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    CCS global : prospects of carbon capture and storage technologies (CCS) in emerging economies ; final report. Part I: General status and prospects of CCS (2012)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie | Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-02-18
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: report , doc-type:report
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  • 10
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    Analysing direct air capture for enabling negative emissions in Germany : an assessment of the resource requirements and costs of a potential rollout in 2045 (2024)
    Details
    Publication Date: 2024-03-05
    Description: Direct air capture (DAC) combined with subsequent storage (DACCS) is discussed as one promising carbon dioxide removal option. The aim of this paper is to analyse and comparatively classify the resource consumption (land use, renewable energy and water) and costs of possible DAC implementation pathways for Germany. The paths are based on a selected, existing climate neutrality scenario that requires the removal of 20 Mt of carbon dioxide (CO2) per year by DACCS from 2045. The analysis focuses on the so-called "low-temperature" DAC process, which might be more advantageous for Germany than the "high-temperature" one. In four case studies, we examine potential sites in northern, central and southern Germany, thereby using the most suitable renewable energies for electricity and heat generation. We show that the deployment of DAC results in large-scale land use and high energy needs. The land use in the range of 167-353 km2 results mainly from the area required for renewable energy generation. The total electrical energy demand of 14.4 TWh per year, of which 46% is needed to operate heat pumps to supply the heat demand of the DAC process, corresponds to around 1.4% of Germany's envisaged electricity demand in 2045. 20 Mt of water are provided yearly, corresponding to 40% of the city of Cologne's water demand (1.1 million inhabitants). The capture of CO2 (DAC) incurs levelised costs of 125-138 EUR per tonne of CO2, whereby the provision of the required energy via photovoltaics in southern Germany represents the lowest value of the four case studies. This does not include the costs associated with balancing its volatility. Taking into account transporting the CO2 via pipeline to the port of Wilhelmshaven, followed by transporting and sequestering the CO2 in geological storage sites in the Norwegian North Sea (DACCS), the levelised costs increase to 161-176 EUR/tCO2. Due to the longer transport distances from southern and central Germany, a northern German site using wind turbines would be the most favourable.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: article , doc-type:article
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