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Systemic challenges of Germany’s heat transition – a measure and policy roadmap for a climate neutral building stock | oeko.de

https://www.oeko.de/publikation/systemic-challenges-of-germanys-heat-transition-a-measure-and-policy-roadmap-for-a-climate-neutral-building-stock/

To reduce Germany’s total GHG emissions by 95 % by 2050, the building sector must be completely decarbonised. Due to the inertia of the sector, it is necessary to significantly accelerate the renovation of buildings and the transformation towards climate-neutral heat supply technologies. Our analysis identifies which measures need to be implemented by which date at the latest, to achieve the long-term target of full decarbonisation. Based on this we develop a consistent set of policy instruments that would enable the building stock becoming climate neutral in 2050. For both, measures and policies, a roadmap for the heat transition in Germany is developed with short- (2020-2025), medium- (2025-2035) and long-term (2035-2050) guidelines and recommendations. The roadmap of measures is based on an analysis of potential risks and how they could be compensated. Potential risks include for example failing to achieve the refurbishment rates and renovation standards required to realize climate neutrality; or failing to get renewable heat quickly enough into the heating market. Options to offset resulting gaps include an additional use of domestic renewable energy, increased efficiency efforts or the import of renewable energy. The roadmap is divided into four blocks addressing the overall regulatory framework, demand reduction in buildings, heat supply technologies and district heating. The roadmap of measures is “translated” into a roadmap of policy instruments. The policy roadmap includes regulatory approaches, support programs as well as informative instruments. The policy roadmap is designed to provide sufficient incentives for target achievement while avoiding lock-in effects that would undermine meeting the long-term goal.
neutral building stock 11.10.2021 Publikationen Energie & Klimaschutz Bücher

The macroeconomic effects of ambitious energy efficiency policy in Germany – Combining bottom-up energy modelling with a non-equilibrium macroeconomic model | oeko.de

https://www.oeko.de/publikation/the-macroeconomic-effects-of-ambitious-energy-efficiency-policy-in-germany-combining-bottom-up-energy-modelling-with-a-non-equilibrium-macroeconomic-model/

Energy efficiency is one of the fastest and most cost-effective contributions to a sustainable, secure and affordable energy system. Furthermore, the so-called “non-energy benefits”, “co-benefits” or “multiple benefits” of energy efficiency are receiving increased interest from policy makers and the scientific community. Among the various non-energy benefits of energy efficiency initiatives, the macroeconomic benefits play an important role. Our study presents a detailed analysis of the long-term macroeconomic effects of German energy efficiency policy including the industry and service sectors as well as residential energy demand. We quantify the macroeconomic effects of an ambitious energy efficiency scenario by combining bottom-up models with an extended dynamic input-output model. We study sectoral shifts within the economy regarding value added and employment compared to the baseline scenario. We provide an in-depth analysis of the effects of energy efficiency policy on consumers, individual industry sectors, and the economy as a whole. We find significant positive macroeconomic effects resulting from energy efficiency initiatives, with growth effects for both GDP and employment ranging between 0.88% and 3.38%. Differences in sectoral gains lead to a shift in the economy. Our methodological approach provides a comprehensive framework for analyzing the macroeconomic benefits of energy efficiency.
non-equilibrium macroeconomic model 01.04.2017 Energie & Klimaschutz Bücher

Introducing the Open Energy Ontology: Enhancing Data Interpretation and Interfacing in Energy Systems Analysis | oeko.de

https://www.oeko.de/publikation/introducing-the-open-energy-ontology-enhancing-data-interpretation-and-interfacing-in-energy-systems-analysis/

Heterogeneous data, different definitions and incompatible models are a huge problem in many domains, with no exception for the field of energy systems analysis. Hence, it is hard to re-use results, compare model results or couple models at all. Ontologies provide a precisely defined vocabulary to build a common and shared conceptualisation of the energy domain. Here, we present the Open Energy Ontology (OEO) developed for the domain of energy systems analysis. Using the OEO provides several benefits for the community. First, it enables consistent annotation of large amounts of data from various research projects. One example is the Open Energy Platform (OEP). Adding such annotations makes data semantically searchable, exchangeable, re-usable and interoperable. Second, computational model coupling becomes much easier. The advantages of using an ontology such as the OEO are demonstrated with three use cases: data representation, data annotation and interface homogenisation. We also describe how the ontology can be used for linked open data (LOD). Published in: Energy and AI, 2021, 100074, ISSN 2666-5468
Systems Analysis 27.04.2021 Publikationen Energie & Klimaschutz Bücher

Germany’s Agricultural Land Footprint and the Impact of Import Pattern Allocation | oeko.de

https://www.oeko.de/publikation/germanys-agricultural-land-footprint-and-the-impact-of-import-pattern-allocation/

Footprints are powerful indicators for evaluating the impacts of a country’s bioeconomy on environmental goods, both domestic and abroad. We apply a hybrid approach combining a multi-regional input-output model and land use modelling to compute the agricultural land footprint (aLF). Furthermore, we added information on land-use change to the analysis and allocated land conversion to specific commodities. Using Germany as a case study, we show that the aLF abroad is 2.5 to 3 times larger compared to impacts within the country. When allocating land conversion of natural and semi-natural land-cover types in 2005 and 2010 to import increases by Germany, conversion rates were found to be 2.5 times higher than for the global average. Import increases to Germany slowed down in 2015 and 2020, reducing land conversion attributed to the German bioeconomy as well. Our results indicate that looking at a static import pattern is not sufficient to draw a realistic picture of the land footprint of a country. For a more detailed assessment that also considers temporal dynamics and impacts of biomass use and trade, our newly developed set of indicators also captures changes of import patterns over time. The case study shows that our enhanced land footprint provides clear and meaningful information for policymakers and other stakeholders.
Pattern Allocation 23.12.2021 Publikationen Energie & Klimaschutz Bücher

Deutschland sucht den Endlagerstandort – Konzepte und Stand der Entsorgung von Atommüll | oeko.de

https://www.oeko.de/publikation/deutschland-sucht-den-endlagerstandort-konzepte-und-stand-der-entsorgung-von-atommuell/

Fachartikel erschienen in vier Teilen in „sicher ist sicher – Arbeitsschutz aktuell“, Ausgaben September bis Dezember 2014. 1957 wird erstmals ein Reaktor in Deutschland kritisch, seit 1961 wird Strom aus Kernenergie erzeugt. Seitdem ist auf die Frage der Entsorgung der radioaktiven Abfälle eine Antwort zu suchen. Mehrere Anläufe ein Endlager insbesondere für die hochradioaktiven Abfälle zu finden, blieben erfolglos. Die Gründe sind vielschichtig, einer ist sicherlich die fehlende Akzeptanz in der Bevölkerung wie das Beispiel Gorleben zeigt. Mit dem 2013 verabschiedeten Standortauswahlgesetz wurde ein neuer Versuch gestartet. Erstmals wurde im breiten parteipolitischen Konsens ein Verfahren in einem Gesetz verankert, das ausgehend von einer „weißen Landkarte“ stufenweise zu einem Endlagerstandort führen soll. Der Artikel, der in vier Teilen erschienen ist, soll in das Thema einführen. Aufgrund der komplexen Thematik können viele Themen allerdings nur angerissen werden. Eine Auseinandersetzung damit ist aber wichtig, da die Endlagerung eine breite Öffentlichkeit über lange Zeit betreffen wird. Die einzelnen Teile des Fachartikels können unter www.sisdigital.de kostenpflichtig heruntergeladen werden: Ausgabe 09/2014: Teil 1 – Radioaktive Abfälle – Entstehung, Arten und Mengen und Diskutierte Alternativen zur Endlagerung. Ausgabe 10/2014: Teil 2 – Endlagerung – Konzept, Risiken und Langzeitsicherheit. Ausgabe 11/2014: Teil 3 – Die Suche nach einem Endlagerstandort, Historie. Ausgabe 12/2014: Teil 4 – Das Standortauswahlgesetz 2013 und Ausblick.
Entsorgung von Atommüll 01.09.2014 Nukleartechnik & Anlagensicherheit Bücher

Outside in? Using international carbon markets for mitigation not covered by nationally determined contributions (NDCs) under the Paris Agreement | oeko.de

https://www.oeko.de/publikation/outside-in-using-international-carbon-markets-for-mitigation-not-covered-by-nationally-determined-contributions-ndcs-under-the-paris-agreement/

The Paris Agreement establishes provisions for using international carbon market mechanisms to achieve nationally determined contribution (NDCs). In international negotiations on the rules governing the Agreement, an important question is whether and under which conditions mitigation outcomes that are not covered by the scope of NDCs should be eligible for international transfer and use by another country to achieve its NDC. Allowing the transfer and use of outside-scope mitigation could facilitate the identification of mitigation potential and reduce the costs of achieving NDCs. It could, however, also provide disincentives for countries to enhance the scope of their NDCs, be perceived as unfair towards countries with similar circumstances and economy-wide targets, reduce countries’ incentives to ensure the quality of carbon market units generated, and lead to double counting. To address these concerns, international rules could: require transferring countries to account for such transfers by applying ‘corresponding adjustments’ even though the emission reductions occur outside the scope of NDCs, or to bring relevant sectors and greenhouse gases into the scope of their next NDCs; adopt safeguards for unit quality, e.g. through international oversight or strict additionality tests; impose other restrictions; and/or require countries to quantify and specify the scope of their NDC in terms of sectors and greenhouses gases covered. To cite this article: Lambert Schneider, Stephanie La Hoz Theuer, Andrew Howard, Kelley Kizzier & Martin Cames (2019) Outside in? Using international carbon markets for mitigation not covered by nationally determined contributions (NDCs) under the Paris Agreement, Climate Policy, DOI: 10.1080/14693062.2019.1674628
contributions (NDCs) under the Paris Agreement 11.10.2019 Energie & Klimaschutz Bücher

Sufficiency in transport policy – an analysis of EU countries’ national energy and climate plans and long-term strategies | oeko.de

https://www.oeko.de/publikation/sufficiency-in-transport-policy-an-analysis-of-eu-countries-national-energy-and-climate-plans-and-long-term-strategies/

On the pathway to climate neutrality, EU member states are obliged to submit national energy and climate plans (NECPs) with planned policies and measures for decarbonization until 2030 and long-term strategies (LTSs) for further decarbonization until 2050. We analysed the 27 NECPs and 15 LTSs submitted by October 2020 using an inter-rater method. This paper focuses on energy sufficiency policies and measures in the transport sector. We found a total of 236 sufficiency policy measures with more than half of them (53 %) in the transport / mobility sector. Additionally, we found 41 measures that address two or more sectors (cross-sectoral measures). From the explicit sufficiency measures within the transport sector, 82 % aim at modal shift. A reduction of transport volumes is much less addressed. Countries plan to use mainly fiscal and economic instruments. Those are in many cases investments in infrastructure of low-carbon transport modes and taxation instruments. Plans on decarbonisation measures are also frequently mentioned. The majority of cross-sectoral measures are carbon taxes or tax reforms, also economic instruments. On the one hand it is encouraging that Member States strongly emphasize the transport sector in their NECPs and LTSs – at least quantitatively and concerning sufficiency measures – because this sector has been the worst-performing in climate mitigation so far. On the other hand, the measures described seem not sufficient to reach ambitious climate targets, and we doubt that the presented set of policy instruments will get the transport sector on track to mitigate greenhouse gas emissions in the necessary extent.
long-term strategies 11.10.2021 Publikationen Energie & Klimaschutz Bücher

What is nuclear cultural heritage? Developing an analytical framework | oeko.de

https://www.oeko.de/publikation/what-is-nuclear-cultural-heritage-developing-an-analytical-framework/

Nuclear cultural heritage (NCH) is a relatively new approach. It was introduced by Rindzevičiūtė (2019) and is being discussed internationally with reference to its contribution to knowledge preservation of nuclear objects and practices as well as safety aspects, especially in the context of nuclear waste governance. The latter includes knowledge transfer to future generations in the sense that knowledge of nuclear objects and practices might be further developed and could be applied as well in future. This is particularly relevant as nuclear technology is hazardous to the living environment and endures for very long periods of time. The great impacts on landscapes and the living environment are demonstrated by experiences with nuclear accidents, nuclear weapon tests, the storage and disposal of nuclear wastes, and uranium mining. One reason for the upcoming interest in NCH is the decommissioning of nuclear power plants and siting and construction of nuclear waste repositories. With this article, we aim to pr
Publikationen Energie & Klimaschutz Nukleartechnik & Anlagensicherheit Bücher

Why electricity market models yield different results: Carbon pricing in a model-comparison experiment | oeko.de

https://www.oeko.de/publikation/why-electricity-market-models-yield-different-results-carbon-pricing-in-a-model-comparison-experiment/

The European electricity industry, the dominant sector of the world’s largest cap-and-trade scheme, is one of the most-studied examples of carbon pricing. In particular, numerical models are often used to study the uncertain future development of carbon prices and emissions. While parameter uncertainty is often addressed through sensitivity analyses, the potential uncertainty of the models themselves remains unclear from existing single-model studies. This study investigates such model-related uncertainty by running a structured model comparison experiment, which exposes five numerical power sector models to aligned input parameters—finding stark model differences. At a carbon price of 27 EUR/t in 2030, the models estimate that European power sector emissions will decrease by 36–57% when compared to 2016. Most of this variation can be explained by the extent to which models consider the market-driven decommissioning of coal- and lignite-fired power plants. Higher carbon prices of 57 and 87 EUR/t yield a stronger decrease in carbon emissions, by 45–75% and 52–80%, respectively. The lower end of these ranges can be attributed to the short-term fuel switch captured by dispatch-only models. The higher reductions correspond to models that additionally consider market-based investment in renewables. By further studying cross-model variation in the remaining emissions at high carbon prices, the representation of combined heat and power is identified as another crucial driver of differences across model results.
model-comparison experiment 13.10.2021 Publikationen Energie & Klimaschutz Bücher

Governing Nuclear Waste in the Long Term: On the Role of Place. | oeko.de

https://www.oeko.de/publikation/governing-nuclear-waste-in-the-long-term-on-the-role-of-place-1/

Published in: Historical Social Research 49 (2024)1 A major challenge in building and securing a repository for high-level waste is the long-time spans needed for site selection, construction, storage, and closure. Depending on the type of site selection procedure and the chosen repository concept, this can take decades or even more than a century. Even today, this applies to many places in all countries that have or are oper-ating nuclear power plants. These include the sites for interim or final storage or reprocessing. Over time, other places will also be affected during the site selection procedure and afterwards during construction and disposal. The processes will cause landscape transformations to a greater or lesser extent, to allow for activities including transportation and excavation. Nuclear waste governance is an extremely challenging and contested issue, starting with site selection, because nobody wants nuclear waste close by. Technologies and societies can change considerably over time.
LinkedIn Publikationen Nukleartechnik & Anlagensicherheit Bücher