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What are regulatory experiments and how can they contribute to sustainability transformations? We seek to answer these questions by considering regulatory experiments in the energy sector and exploring their potential impact pathways. Different kinds of regulatory experiments can be combined with real-world labs to expand their scope and their impacts to the regulatory realm. Regulatory experiments (RegExs) can be considered an element of mission-oriented innovation policies. As such, we discuss how they relate to real-world labs (RwLs) and how they can contribute to sustainability transformations. We distinguish between two types of experiments: 1. regulatory sandboxes that help innovators to bring new products, services, and other innovations to market, and 2. regulatory-innovation experiments that are specifically designed to explore new solutions for evolving regulatory frameworks. The two types can be linked to RwLs such that an RwL can be embedded in a regulatory sandbox, enabling the RwL to try out so
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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

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

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

Die Diskussion um die Nutzung von Wäldern im Spannungsfeld von Holzproduktion, ihrem Beitrag zum Klimaschutz und der Verpflichtung zum Schutz der Biodiversität von Waldökosystemen wird mit Schärfe geführt. Es werden dabei auch Klimaschutzargumente bemüht, um Anliegen des Biodiversitätsschutzes zu diskreditieren. Manche der angeführten Argumente basieren auf einer fragwürdigen Datenbasis und -interpretation. In der Gemengelage geht es nicht nur um den Umgang mit Forderungen zu mehr Flächenstilllegungen von Wirtschaftswäldern und den Schutz von Naturwäldern in Deutschland, es droht auch der Verlust der letzten großflächigen europäischen temperaten Urwälder, die alle im Karpatenbogen liegen. Ursächliche Faktoren sind die intensive und zunehmende Holznutzung, ein unzureichender politischer Wille und ein zu geringes nationales und europäisches Engagement für den Schutz dieses Weltnaturerbes. Urwälder und Naturwälder sind in den EU-Mitgliedsstaaten auf weniger als 3 % der Gesamtwaldfläche erhalten geblieben; hunderttausende Hektar europäischer Urwälder gingen allein in den vergangenen zehn Jahren verloren. In diesem zweiteiligen Aufsatz diskutieren wir Argumente zu den Themenkomplexen (1) Biodiversität und Forstwirtschaft, (2) CO2-Speicher- und -Senkenleistung genutzter und ungenutzter Wälder und (3) Klimaschutzwirkung der energetischen Holznutzung vor dem Hintergrund aktueller klimapolitischer Entscheidungen der EU und der Bundesregierung. Der vorliegende erste Teil befasst sich mit dem Vorkommen von Ur- und Naturwäldern in Europa und widerlegt die These, diese könnten keinen wichtigen Beitrag zum Biodiversitätsschutz leisten. Außerdem wird der Beitrag von Urwäldern, Naturwäldern und Wirtschaftswäldern mit dem Klimaschutz vergleichend bewertet. Teil 2: Das Narrativ von der Klimaneutralität der Ressource Holz finden Sie hier >> Click here for the English version >>
Klimaschutz – Teil 1: 31.12.2021 Publikationen Energie & Klimaschutz Bücher

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

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

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

The ongoing needs to develop power systems towards more environmentally friendly technologies with respect to climate change in conjunction with the continuous evolution of the respective market conditions is leading to a transition away from the traditional system operation. The upcoming challenges have motivated the development of an increasing number of models for transmission grids. Nevertheless, the high complexity of such models renders it exceedingly difficult to compare their results as well as any corresponding conclusions. In this paper, we develop an open framework to compare a variety of pan-European transmission grid models with a strong focus on the German power system. The comparison is performed in both a qualitative and quantitative manner, depending on the investigated modeling aspect including input data, methods, system boundaries and results. The quantitative model comparison is done by performing harmonized model experiments, one for 2016 as back testing and one for 2030 for analyzing the future system. Core elements of our comparison framework are: We proved that our comparison framework is suitable to make similarities and differences between the different model results visible, e.g. using quadratic heat maps. To ensure transparency and to support the open modeling community, the fact sheets with the model specifications and the database with selected model results are uploaded on the open energy platform.
Publikationen Energiewende und Klimapolitik Energie & Klimaschutz Bücher

In view of the current geopolitical situation, the EU and its Member States are accelerating efforts to reduce their dependency on fossil fuel imports, while simultaneously tackling the climate crisis. With heating in buildings accounting for a large share of the energy consumption in the EU, policies to phase-out fossil fuels for heating and to switch to renewables are key elements. In the context of the proposed actions to phase-out fossil fuels at EU level, this article provides a systematic analysis of current and planned phase-out regulations for fossil fuel boilers in the EU Member States. The paper quantifies the share of energy consumption for heating that is addressed by such regulations and finds that the current regulations only address about 10% of the total fossil energy consumption for heating in the EU. The share increases to almost 30% when considering the planned regulations, reflecting the fact that large energy consumers such as Germany and the Netherlands have announced such regulations. The analysis shows that several Member States with high energy consumption for heating have neither implemented nor announced plans to introduce phase-out regulations for fossil fuel heating. The study concludes that immediate policy action is needed both at EU and at Member State levels. At EU level, the proposed introduction of an end-date for stand-alone fossil fuel boilers needs to be substantiated and implemented into the legislative framework. At the national level, phase-out regulations for fossil fuel boilers need to be expanded both in quantity and scope.
heating in the EU 04.09.2023 Publikationen Energie & Klimaschutz Bücher