IEA HPT Annex 54: Heat pump systems with low GWP refrigerants

The aim of the project was to investigate the current situation in the area of refrigerants with a low global warming potential ("low-GWP"). The focus of the national project lies on the current refrigerant application situation and on an outlook until 2030 on the availability of components and systems.

IEA AFC Annex 34: Fuel Cells for Transportation (Working period 2019 - 2022)

The overall objective of the project is the advancement of fuel cells in transportation applications. To ensure a comprehensive penetration of the automotive market, the focus will be laid on the cost-reduction potential of fuel cell components and systems including hydrogen storage, the hydrogen infrastructure and fuel cell vehicles in public transportation as well as fuel cell powered utility vehicles.

IEA HPT Annex 57: Showing flexibility benefits through heat pump implementation in multi-vector energy systems and thermal networks

This project analyzes the future implementation of heat pumps in multi-vector energy systems and thermal networks. This is intended to increase flexibility and to use it for various applications, e.g. for system services or to participate in different electricity markets. Using international case studies, influencing factors and potentials for flexibility options will be evaluated and suitable business models will be derived.

IEA EBC Annex 79: Occupant-Centric Building Design and Operation

The IEA EBC Annex 79 aims to provide new insights into comfort-related occupant behaviour in buildings and its impact on building energy performance as well as occupant-centric building design and operation.

IEA HPT Annex 55: Comfort and Climate Box – Speeding up market development for integrating heat pumps and storage packages

In the IEA HPT Annex 55, heat pumps with integrated thermal/electrical storage systems for existing buildings that are as close to the market as possible were developed. Furthermore, measures to accelerate market development have been worked out.

IEA EBC Annex 84: Demand Management of Buildings in Thermal Networks

The concept of demand-side management (DSM) in buildings to reduce peak loads in the grid is well established in the power sector. The same concept can be applied to shift thermal loads in buildings connected to thermal networks. This project addresses the topic of demand response in buildings, focusing on the collection of case studies, technologies and collaboration models.

IEA EBC Annex 83 - Positive Energy Districts

A positive energy district (PED) is an urban area/neighbourhood that is able to generate more energy than it consumes and is agile/flexible enough to respond to energy market fluctuations. This is where the IEA-Annex 83 and commissioned leading Austrian research institutions come in to collect, systematise, synthesise and process the knowledge and experience of the international scientific community on PEDs in a form that is understandable for practitioners.

IEA HPT Annex 61: Heat Pumps in Positive Energy Districts

IEA HPT Annex 61 evaluates the role of heat pumps (HP) in positive energy districts (PED). Efficiency potentials of the electric and thermal energy of districts that can be unlocked with the use of HPs are evaluated in order to reach a positive energy balance. This refers to both, upgrade of waste heat and simultaneous generation of different energy use in buildings (space heating, DHW, space cooling/dehumidification) and includes self-consumption of on-site renewable electricity generation.

IEA HPT Annex 60: Retrofitting Heat Pump Systems in Large Non-domestic Buildings

Lack of knowledge about retrofit options with heat pumps currently hinders the widespread use of the technology in non-residential buildings. In this project, easy-to-use, accessible recommendations for techno-economically optimised planning / design of heat pump applications in hospitals, shopping centres, industrial buildings, educational institutions, and museums will be developed and communicated to relevant target groups in the form of guidelines and training courses.

IEA EBC Annex 63: Implementation of Energy Strategies in Communities

As part of the "Annex 63" project, Austria has worked with 10 other countries to develop guidelines for the successful implementation of energy strategies at local level. The results include support for nine strategic measures, descriptions of case studies, support materials and recommendations for different target groups.

IEA AMT Task 12: Novel 2D materials and laser-based surface processes to increase resource efficiency in mobility applications

Friction and wear cause enormous global costs and CO2 emissions. At the same time, machines should become more and more reliable. Within Task 12, new concepts in material development and surface processes are being examined and advanced in order to reduce friction and wear.

IEA HPT Annex 50: Heat Pumps in Multi-Family Buildings for Space Heating and DHW

The project aims at demonstrating the potentials of heat pump technology for the energy supply of multi-family houses (MFH) and to contribute to the elimination of existing market barriers. Concepts and innovative technology options for heat pumps in MFH will be investigated in detail by means of simulations and experiments. The findings and results will be presented in international expert meetings and disseminated among national heat pump manufacturers, installers and planners.

IEA EBC Annex 55: Reliability of Energy Efficient Building Retrofitting - Probability Assessment of Performance & Cost (RAP-RETRO)

The scope of the project is to develop and provide decision support data and tools for energy retrofitting measures. The tools will be based on probabilistic methodologies for prediction of energy use, life cycle cost and functional performance. The impact of uncertainty on the performance and costs will be considered. Methods based on probability give powerful tools that can provide us with reliable ranges for the outcome.

IEA-DHC Annex TS2: Implementation of Low Temperature District Heating Systems

The potential of alternative heat sources is highest at low system temperatures, but current district heating networks are usually high-temperature systems. The aim of the IEA DHC Annex TS2 is to support the transformation of district heating networks towards lower temperatures (the so-called 4th generation). For this purpose, Annex TS2 forms an international platform that enables an exchange on the topics of technology, system, demonstration and competitiveness.

IEA ISGAN Annex 7 - Webinar: A Nordic carbon-neutral energy system enabled by flexibility and storage

30. June 2020
Online

This webinar discusses the flexibility measures enabled by smart grids and sector coupling that can help countries and regions make the deep decarbonisation of their energy systems a reality. It will discuss some of the opportunities and challenges of balancing energy and power in a larger perspective and in some local perspectives in the Nordic countries.

IEA DHC Annex TS7: Industry-DHC Symbiosis - A systemic approach for highly integrated industrial and thermal energy systems

Renewable and excess heat sources are currently representing nearly a third of the energy supply used in the DHC sector. Excess heat has the potential to further grow to become an important part of the energy puzzle. Up to 25% of district heating could be covered by industrial excess heat and more than 10 % of the EU's total energy demand for heating and hot water could be covered by heat from data centres, metro stations, service sector buildings, and waste-water treatment plants.

IEA DHC Annex TS4: Digitalisation of District Heating and Cooling

The aim of the IEA DHC Annex TS4 is to identify the possibilities of digitalization and the integration of digital process for district heating and cooling. To this end, the Annex TS4 establishes a platform for industrial and scientific experts to strengthen international cooperation and networking and the exchange of experience of national research and development activities.

IEA DHC TS5 - Integration of Renewable Energy Sources into existing District Heating and Cooling Systems (RES DHC)

The expansion of sustainable district heating/cooling is an essential part of the Austrian heat transition. The transformation of these supply systems to fully renewable systems requires the combination of a multitude of aspects. The aim of the project is to compile a data and knowledge base from international projects in this context. Expertise and process know-how for the process of implementing the transformation of district heating and cooling systems will be collected and processed.

IEA DHC Annex TS3: Hybrid Energy Networks, District Heating and Cooling Networks in an Integrated Energy System Context Guidebook

Hybrid energy networks, i.e. the integration of electricity, heat and gas networks, can make a decisive contribution to optimizing the energy system. The IEA DHC Annex TS3 analyses the potentials and challenges of hybrid energy networks from the perspective of the district heating / cooling system. This is including the analyses of relevant technologies and synergies, an assessment of the different methodological approaches and tools, the analyses of case studies as well as the development of suitable business models and regulations.

IEA DHC Annex TS8: Experimental investigations of DHC systems

The project aims at promoting and improving the use of experimental studies for the transformation, decarbonization and flexibilization of new and existing district heating and cooling (DHC) systems. A strong focus will be on the integration of digital technologies, both in terms of application (e.g., IoT and cloud solutions, digital twins, machine learning) and experimental implementation (e.g., hardware-in-the-loop, data spaces).