Foto: Frontansicht des Biohofs Achleitner

IEA Tasks & Annexe

There are 31 results.

IEA EBC Annex 60: New generation computational tools for building and community energy systems based on the Modelica and Functional Mockup Interface standards

The objective was to develop and demonstrate next-generation computational tools that allow building and community energy grids to be designed and operated as integrated systems. The work conducted in Annex 60 has helped to share, further develop and deploy free open-source contributions of previously uncoordinated activities in modeling and simulation, based on the Modelica and Functional Mockup Interface standards.

ISGAN Annex 7: Smart Grid Transitions – on Institutional Change

The International Smart Grid Action Network (ISGAN) aims at fostering the global implementation of Smart Grids. Annex 7 – Smart Grid Transitions deals with the related challenges regarding institutional change and socio-technical transition of the electricity systems.

IEA HPT Task 41: Cold Climate Heat Pumps

The aim was to increase the efficiency of outdoor air heat pumps in cold climates in locations with low outside temperatures of up to -25°C. Newly developed heat exchanger concepts were tested and optimized regarding their icing behaviour. Different circuit modifications were modelled and simulation studies for low ambient temperatures were carried out.

Mapping of IEA TCPs

The intention of this project was to visualize the current activities of the IEA Energy Technology Network and to identify possible gaps and overlaps. The mapping includes 185 ongoing tasks and annexes (Status September 2017).

IEA TCP Fluidized Bed Conversion (FBC). Working period 2013-2016

The Technology Collaboration Programme includes the collaboration, the exchange of relevant information and networking in the area of fluidized bed conversion of fuels applied for clean energy production.

IEA HPT Annex 43: Fuel Driven Sorption Heat Pumps

The project aimed at investigating the performance and market potential of gas-fired absorption heat pumps (AHPs) in domestic and small commercial or industrial buildings or applications. Selected processes were simulated for various types of buildings in order to calculate the energetic, ecological and economical potential of this technology. The results were compared with monitoring data of a gas-fired AHP system. In addition, a market survey including market barriers for gas-fired AHPs in Austria was conducted and a list of market supporting measures was compiled.

IEA SHC Task 48: Quality Assurance and Support Measures for Solar Cooling

The completed IEA SHC Task 48 focused on an enhanced quality improvement and market-support measures for the technology option ‘solar thermal cooling or air-conditioning'. In cooperation with a total of 22 organizations (12 research institutes, 5 universities and 5 companies) from eight countries numerous useful reports and tools have been created to improve the quality of solar cooling systems with significant contribution of the Austrian partners.

IEA EBC Annex 62: Ventilative Cooling

The main goal of the Annex 62 is to make ventilative cooling an attractive and energy efficient cooling solution to avoid overheating in buildings. Ventilation is already present in buildings through mechanical and/or natural systems and it can remove excess heat gains as well as increase air velocities to widen the thermal comfort range. The results from the Annex facilitate better possibilities for both design purposes and for energy performance calculation.

IEA AFC Annex 31: Polymer Electrolyte Fuel Cells

Task 31 was a research and development oriented Task with the objective to contribute to the identification and development of techniques and materials to reduce the cost and improve the durability of polymer electrolyte fuel cells (PEFCs).

IEA AFC Annex 35: Fuel cells für portable applications (Working period 2014 - 2017)

The aim of Annex 35 of Technology Collaboration Programm on Advanced Fuel Cells of the International Energy Agency (IEA) included information exchange on the status and new developments of portable fuel cell systems such as the direct ethanol fuel cell (DEFC) and the direct borohydride fuel cell (DBFC) and comprised the development and manufacture of membrane electrode assemblies (MEAs) all the way through to system components such as electronic converters or gas supply units.

IEA PVPS Task 14: High Penetration of PV Systems in Electricity Grids (working period 2010 - 2014)

The main goal of Task 14 is to promote the use of grid-connected PV as an important source in electric power systems at the higher penetration levels that may require additional efforts to integrate dispersed generators. The aim of these efforts is to reduce the technical barriers to achieving high penetration levels of distributed renewable systems.

IEA-PVPS Task 13: Performance and Reliability of Photovoltaic Systems

The Task 13 objective is to improve operation, reliability and, consequently, the electrical and economic output of photovoltaic power systems and subsystems through providing a common platform whereby quality aspects are elaborated and exchanged amongst the stakeholders, and to disseminate this knowledge to the market actors. Given the international nature of the project consortium, the cooperation includes important markets such as Europe, Japan and the USA.

IEA Bioenergy Task 39: Commercializing conventional and advanced liquid biofuels from biomass. (Working period 2013 - 2016)

The aim of Task 39 „Liquid Biofuels“ is to provide information and analyses on technology development as well as on policy issues and markets to provide scientific background for political and economical decisions. Task 39 initiated mutual R&D projects, to improve the economics of advanced technologies, to exploit new feedstocks and to gain knowledge for the developments after 2020.

IEA International Smart Grid Action Network (ISGAN) Annex 6 on Power T&D Systems. Working period 2015 - 2016.

The International Smart Grid Action Network (ISGAN) aims in enhancing the knowledge about Smart Grid Technologies and accelerating the development and the international deployment. The main objective of the Austrian contribution in IEA ISGAN Annex 6 is to build up knowledge and long term concepts for the development of an intelligent and integrated electricity system, with the focus on the interaction of distribution and transmission networks, including the lead of the related subtask within the Annex.

IEA DSM Task 17 - Extension: Integration of Demand Side Management, Distributed Generation, Renewable Energy Sources and Energy Storages (working period 2013 - 2016)

The aim was to exchange experiences and developments in the field of integrating renewables with the help of DSM in residential and commercial buildings. Technologies like PV systems, electric vehicles, electric storages, heat pumps, micro-CHP in combination with energy management systems (via gateways), and implementing dynamic tariffs using smart meters offer huge potential to increase energy efficiency. Phase 3 of this Task addressed the current role and potential of flexible buildings and their related implied changes and impacts on the grid and markets. The scalability and applicability of successful projects with respect to specific regional differences and requirements was also explored.

IEA Wind Task 19: Wind Energy in Cold Climates (working period 2013 - 2015)

The international experts elaborated two guidelines on the current state of wind energy utilization under icing conditions: the "State of the Art Report" and the "Recommended Practices Report". On a national level, Energiewerkstatt compiled a comparative report on international approval procedures with the assessment of icefall risk, a report regarding operational experience with a stand-alone power supply unit as well as a report on the evaluation of different ice detection systems.

IEA Bioenergy Task 37: Energy from Biogas and Landfill Gas (working period 2013 - 2015)

The Austrian representatives participated in the expert group „IEA Bioenergy Task 37 – Energy from Biogas“ for the period 2013-2015. Their main tasks was the work on the technical brochures on biogas plant monitoring, digestate processing and the evaluation of pretreatment technologies. In addition, they participated in the knowledge exchange of the participating countries.

IEA EBC Annex 57: Evaluation of the design-specific CO2 emissions and the gray energy

The IEA-EBC Annex 57 evaluated methods of construction-related embodied environmental impacts and embodied energy and related international best practice projects and their approaches. Based on these findings, methodological guidelines as well as measures for their application at the international level and for the planning of buildings - with lower embodied energy and embodied greenhouse gas emissions - were derived.

IEA SHC Task 42/ECES Annex 29: Compact Thermal Energy Storage - Material Development for System Integration

The key accomplishments of the task are summarized in the following points: New material characterizing methods were investigated, a new standard for an improved DSC measurement method has been developed, a data base for PCM, TCM and sorption materials was developed and established, advances in the numerical modelling of materials, compact thermal storage systems were developed for different material applications, a tool for the economic evaluation of thermal energy storages has been developed. Also numerous joint R&D Projects and more than twenty publications arose from the IEA-SHC Task 42 networking activity.

IEA ECBCS Annex 50: Prefab Systems for Low Energy/High Comfort Building Renewal

Development of integrated concepts for multi-storey buildings, which enable renovations of buildings with high energy efficiency at good user acceptance during the realisation phase as well as afterwards (comfort, affordability). Relevant components: integrated solutions of roof and façade with high rate of pre-fabrication, the possibility of integrating the energy façade/roofs and energy distribution and supply.

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