Project Image Pool

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Terms of use: The pictures on this site originate from the projects in the frame of the programmes City of Tomorrow, Building of Tomorrow and the IEA Research Cooperation. They may be used credited for non-commercial purposes under the Creative Commons License Attribution-NonCommercial (CC BY-NC).

Header image IEA TCP HEV Task 40

Header image IEA TCP HEV Task 40

Group picture IEA Task 40

Representatives of IEA Task 40 during the Task-Workshop in Shanghai, China

IEA SHC Task 66: Solar Energy Buildings – Presentation of final results

IEA SHC Task 66 “Solar Energy Buildings” presented the final results of their activities at the EuroSun Conference 2024 in Limassol, Cyprus, on Tuesday, 27 August, from 11:00 to 12:30 EEST. Over three years, an international team of scientists and industry representatives collaborated on the topic “Solar Energy Buildings.” The event featured presentations by the task manager, subtask leaders, and an industry representative. Dr. Harald Drück, Manager of Task 66 from the University of Stuttgart’s IGTE, provided an overview of the project and highlighted key achievements. Subtask leaders shared summaries of their findings: Prof. Frank Späte (OTH-AW, Germany) discussed key performance indicators for assessing solar energy buildings, while Elsabet Nielsen (Technical University of Denmark) showcased demonstration projects of completed solar energy buildings. Michael Gumhalter (AEE INTEC, Austria) explored current and future technologies in the field. Additionally, Zanil Narsing from Naked Energy Ltd. (UK) presented on "Solar Energy Buildings with Advanced Solar Thermal and Photovoltaic-Thermal (PVT) Collectors." More details on Task 66 are available on their website: https://task66.iea-shc.org/.

Fact sheets for Solar Energy Building technologies

Fact sheets for technologies in the field of solar energy buildings were developed as part of IEA SHC Task 66 Subtask D to provide concise, easily accessible summaries of key solar technologies, helping stakeholders make informed decisions. They include information on advancements, comparisons, and suitability for different climates, building types, and regional requirements. Categorized into areas such as generation, storage, buildings, and grids, the fact sheets highlight integration strategies for effective solar energy systems. By referencing scientific publications and showcasing practical examples, they demonstrate the functionality and characteristics of selected technologies.

Thermal Membran Technologies show Optimization Potential at membranes

Membranes are central components in thermal membrane technologies. IEA SHC Task 62 identified that further research and development is necessary to increase the membrane efficiecy for example by membrane modification, increase in selectivity.

Systemintegration concept - Membrane Distillation and Solarthermal

Within the framework of the IEA SHC Task 62, system integration concepts have been developed, which represent the combination with solar thermal and processing technologies

Combination of Methods used by TCP-Activities

A set of methods was developed to categorize the kind of project work that is done in the activities. The figure shows which methods are applied how often in total (node size), and which methods were frequently applied together (edge width) by activities. The color corresponds to the different method cate-gories described in chapter.

IEA-Topics, Related Activities and Working Parties

IEA-topics on level 1 (orange, node size corresponds to the official RD&D budget 2015) and TCP-activities (non-orange nodes) and related TCP-working parties (see color code in legend).

Participation of countries in IEA Technology Collaboration Programmes and Related Research Topics

Absolute (upper chart) and relative (lower chart) number of TCP-activities that countries are participating in. The color code shows how the assigned activities are related to the IEA-Topics and how the countries set their priorities with regard to the research topics (based on the IEA RD&D taxonomy).

International cooperations of Austria in context of TCP activities.

Worldmap of Austrias cooperations with other countries in context of the IEA Technology Collaboration Program reasearch activities. Line thickness indicates the number of cooperations.

Music School Velden

Street view of the former fire station in Velden am Wörthersee - after the refurbishment used as a music school.

Konvent Building Kaiserstrasse in Vienna

Street view of the convent building in Kaiserstrasse, Vienna after being refurbished with particular attention to monument preservation and to a new solution for renovating Viennese-type box windows.

Historic Building Energy Retrofit Atlas

Starting page of the database www.HiBERatlas.com with best practice examples that show how historic buildings can be renovated so that high energy efficiency is achieved while respecting historic preservation.

uncovered PVT collector

In Brazil, Sao Paulo, uncovered PVT collectors reduce gas consumption for hot water heating by 50 % in a hotel project

Evacuated tube PVT

The evacuated tube PVT array (Virtu PVT by Naked Energy) on the south facing façade of the Active Office building at the University of Swansea.

Overview Task 58 for Material and Component Development for Compact Thermal Storage Systems

The figur shows the overview and contents of the IEA SHC Task 58 for material and component development for compact heat storage. The task is divided into 4 subtasks dealing with the definition of boundary conditions, development of TCM and PCM materials, test methods and component design of compact heat storage systems.

life cycle cost

Lines showing the smallest difference in life-cycle costs per non-renewable primary energy unit and HVAC configuration at office buildings in Stockholm (Sto), Stuttgart (Stu) and Rome. LCC includes investment, maintenance and operation over a 20-year period. HP stands for heat pump and DE for direct electric.

Solar district heating system with power-to-heat

District heating system with heat supply from central solar collectors, industrial waste heat, heating centre, heat pump, and with short-term and seasonal thermal storage. Source of the heat pump is the saisonal storage. Excess power from PV and wind turbines is used to operate the heat pump.

Solar heat in smart cities

List of the main advantages of solar heat: it is emission-free and 100% renewable, it increases the energy security, the price is affordable and remains stable for at least 20 years, it replaces imported fueld and provide new jobs.

Attractiveness of SDH markets

Diagram with 4 areas according to DH technology readiness (low/high) and SDH market (small/large). Low readiness and small market is the case of Russia and Ukraine; low readiness and large market is the case of China; high readiness and small market is the case of France, Italy, Netherlands, Serbia, Slovenia, Spain, Canada, Latvia; high readiness and high market is the case of Germany, Austria, Denmark, Sweden, which are technology leaders and role models.