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An important instrument to enhance the market uptake of energy-efficient new buildings and the energy-efficient renovation of existing buildings in the European Union (EU) are the Energy Performance Certificates (EPC). However, their implementation and use has varied between EU Member States. The European Commission has therefore provided funding to a number of Horizon2020 projects to develop next-generation EPC schemes.
One of these is the QualDeEPC project, aiming to both improve quality and cross-EU convergence of EPC schemes, and particularly the link between EPCs and deep renovation. The objective of the project is to improve the practical implementation of the assessment, issuance, design, and use of EPCs as well as their renovation recommendations, in the participating countries and beyond.
This paper presents the policy proposals and concepts for tools that the QualDeEPC project has developed as priorities for enhanced EPC schemes:
- Improving the recommendations for renovation, which are provided on the EPCs, towards deep energy renovation
- An online tool for comparing EPC recommendations to deep energy renovation recommendations
- Creating Deep Renovation Network Platforms (One-stop Shops plus networking and joint communication of supply-side actors)
- Regular mandatory EPC assessor training (on assessment and renovation recommendations) required for certification/accreditation and registry
- Achieving a high user-friendliness of the EPC
- Voluntary/mandatory advertising guidelines for EPCs
- Improving compliance with the mandatory use of EPCs in real estate advertisements
The paper will focus on the aspects related to improving the impact of EPCs for stimulating deep renovation. It will also present lessons learnt from the discussion with stakeholders at national and European workshops and from the testing of the proposals and tools in around 100 buildings, as well as from the first steps of their country-specific adaptation.
Urban development faces numerous challenges in the 21st century and a central task is the sustainable and liveable design of the city. Can the concept of a Smart City be a tool to making cities more liveable and sustainable? To find out, we chose a biographical method to analyse the steps towards a successful Smart City and to better understand the structures behind it. We combine the innovation biography method with a process model from sustainability governance research, namely Steurer's sustainability governance model and apply them to Vienna's Smart City, especially the preparation of the Vienna Smart City framework strategy (Steurer & Trattnigg, 2010). On the one hand, this article shows that a transfer of the innovation biography method to urban research can generate deeper insights on urban development processes in general. On the other hand, the approach chosen can show that Vienna integrates the sustainable urban design into the process of Smart City design. So the smart and sustainable city design, often called for in theoretical contributions, is practised in Vienna. Due to its reconstructive character, the biographical method has revealed that it is possible to govern sustainability by using Smart City as an umbrella strategy, as long as one manages it in an integrated and holistic way, recognises trends and is able to acquire and use research funds effectively and efficiently.
The knowledge gained from the new method for urban and Smart City research is twofold. Firstly, the transfer of the method previously developed in the human sciences and subsequently for organisations, institutions and products and services also works in urban research. Second, the innovation biography provides in-depth insights into the process towards the Smart City and the stakeholders involved. The use of the biographical method highlights the relevance of good governance in terms of interdisciplinary cooperation on the one hand and high political commitment on the other through the micro-level perspective and is also sensitive enough to highlight the importance of an appropriate narrative in and for the process towards the Smart City.
The unprecedented challenge of reaching carbon neutrality before mid-century and a large share of it within 2030 in order to keep under the 1.5 or 2 °C carbon budgets, requires broad and deep changes in production and consumption patterns which, together with a shift to renewables and reinforced efficiency, need to be addressed through energy sufficiency. However, inadequate representations and obstacles to characterising and identifying sufficiency potentials often lead to an underrepresentation of sufficiency in models, scenarios and policies.
One way to tackle this issue is to work on the development of sufficiency assumptions at a concrete level where various implications such as social consequences, environmental co-benefits, conditions for implementation can be discussed. This approach has been developed as the backbone of a collaborative project, gathering partners in 20 European countries at present, aiming for the integration of harmonised national scenarios into an ambitious net-zero European vision.
The approach combines a qualitative discussion on the role of energy sufficiency in a "systemic" merit order for global sustainability, and a quantitative discussion of the level of sufficiency to be set to contribute to meeting 100 % renewables supply and net-zero emissions goals by 2050 at the latest. The latter is based on the use of a dashboard, which serves as a common descriptive framework for all national scenario trajectories and their comparison, with a view to harmonising and strengthening them through an iterative process.
A set of key sufficiency-related indicators have been selected to be included in the dashboard, while various interrelated infrastructural, economic, environmental, social or legal factors or drivers have been identified and mapped. This paves the way for strengthening assumptions through the elaboration of "sufficiency corridors" defining a convergent, acceptable and sustainable level of energy services in Europe. The process will eventually inform the potential for sufficiency policies through a better identification of leverages, impacts and co-benefits.
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 interrater 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.
Consumption by private households in various areas of demand - housing, mobility, nutrition, services and products - contributes to around 10 % of total emissions in Germany. Of this, higher-income households are responsible for a disproportionate share. At the same time, many households often lack the knowledge, time, or motivation to deal with their own energy-relevant and climate-impacting behaviours. In this context, energy advice services play an important role for raising awareness, activating consumers and imparting knowledge about available options for action. However, conventional energy advice services are mostly limited to the topics of building and appliance energy efficiency - especially for middle- and high-income households - without considering private consumption behaviour and the related social practices as a whole. In practice, there has been little differentiation to date in addressing target groups in a way that takes into account different lifestyles and realities and the underlying values and motivations in a pluralistic society. The present paper presents a methodological approach to develop targeted energy advice approaches in urban environments that are oriented towards the motivations of different types of households with medium and high incomes. It proposes a three-step approach consisting of 1) a microdata-based population analysis to identify and categorize target subgroups, 2) an inventory of existing advice offers with regard to their coverage and approach and 3) a gap analysis based on the results of the preceding steps. Applied to a large city in Germany, the analysis finds that gaps are rarely found with regard to communicated facts but rather the way in which information is conveyed. Accordingly, recommendations relate to more effectively use windows of opportunity and framing of measures to match target group motivations.