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).

Overview IETS Task 21 Phase 3

The IETS Task 21 at a glance: A clear presentation of its development from its initiation in 2020 to Phase 3, including the activities of Subtasks 1 to 5.

New CCU/CCS value chains

Project-based analysis of new CCU and CCS value chains using a canvas.

Who does it themselves? Household and energy-related tasks by gender

The chart shows the proportion of women and men who stated that they carry out the following tasks themselves: Traditional household chores such as doing the laundry, cooking, shopping for food, cleaning, washing up and tidying up are predominantly carried out by women. Technical and administrative tasks such as liaising with the energy supplier, technical tasks, managing finances and carrying out repairs are predominantly carried out by men.

Cluster analysis of types of households

The cluster analysis identified four descriptive household types based on patterns of energy use, environmental attitudes, financial concerns and household characteristics. Typ A – „Engagiert & befähigt“ (34%) and Typ B – „Distanziert & abgesichert“ (35%) represent relatively less vulnerable households, while Typ C – „Besorgt & belastet“ (25%) captures households facing intersecting financial, housing and care-related pressures, and Typ D – „Energiearm & depriviert“ (7%) represents the most severely affected group. Given the moderate distinction between clusters, these types should be understood as indicative patterns rather than fixed or sharply defined categories.

Simultaneity of PV electricity generation and heat pump electricity demand for different control strategies in the PEB use case EXCESS

Comparison of the electricity demand of heat pumps under different control strategies, simulated for the Austrian EXCESS demonstration building, in relation to the available PV generation on the façade for an average winter week in February. The building under investigation represents a use case in the IEA EBC Annex 83 project.

Duration curves of heating power for the coldest week of the year – comparison of standard control vs. MPC

One use case considered in the IEA EBC Annex 83 is a thermally activated building that was designed within the national research project HybridLSC. The thermally activated building mass allows for temporal load shifting by means of model predictive control (MPC) of the building. A comparison of the duration curves of heating power for the coldest week of the year between a standard control strategy and an MPC-based control strategy shows a significant reduction in peak loads, which is achieved without any loss of comfort for the occupants. This is essential for the optimal sizing of heat sources and forms the basis for reducing peak loads in energy networks.

Innsbruck Campagne

PV Potential of the Facade - Project Innsbruck Campagne

LCA comparison of renewable hydrogen, e-fuel systems and conventional fuels (Comment: distribution and ICE vehicle can be used for fossil fuel and e-fuel)

LCA comparison of renewable hydrogen, e-fuel systems and conventional fuels (Comment: distribution and ICE vehicle can be used for fossil fuel and e-fuel)

Circularity and Climate Neutrality for transportation services

A product or service is “climate neutral“ and “circular“, if its whole life cycle - production, operation and end-of-life - uses only • reused components (reuse index), • secondary/recycled material (recycled content), • renewable energy, and makes • zero waste and • zero GHG emissions. In Figure 2, this definition is shown for supplying a 100% circular transportation service with its closed material cycle, which is driven by renewable energy. A mobility demand is satisfied by transportation services that are provided by a closed material cycle using renewable energy.

System boundaries for the eight analysed cases and the petrol ICE as reference

In Figure 3 the system boundaries for the V2X use cases are shown. For the cases without smart or bidirectional charging an additional electricity storage in the grid is considered.

GHG emissions of MHT per hour of missions in total life cycle

ICE: Internal Combustion Engine, HYB: Hybrid Combustion Engine, MHT: Mining Haul Truck, BEV: Battery Electric Vehicle, FC: Fuel Cell, LH2: Liquid Hydrogen

Group photo from the Roma 2025 meeting

Task 13 meeting at Sapienza Roma, February 2025

PV Backsheet Repair

Application of repair coating for backsheets with cracks

Cross-section repair coating

Cross-section repair coating

Mindmap of stressors

Mindmap of stressors and adverse effects of PV power plants in cold and snowy climates

Structure and projects in Task 39

IEA Bioenergy Task 39 is structured into three subprograms: Technology and Deployment, System Analysis and Sustainability, and Outreach and Dissemination. During this triennium, six thematic projects are being implemented, as shown in the graphic. The projects and subprograms led by Austria are indicated with the Austrian flag.

FAME samples in laboratory

FAME samples in laboratory

Database on facilities for the production of advanced liquid and gaseous biofuels for transport

Database on facilities for the production of advanced liquid and gaseous biofuels for transport

Membrane distillation test module for flat membranes

Membrane distillation test module for flat membranes in the water and process engineering laboratory at AEE INTEC, Gleisdorf, Austria

Vacuum Membrane Distillation Test Module for Flat Membranes

Vacuum Membrane distillation test module for flat membranes in the water and process engineering laboratory at AEE INTEC, Gleisdorf, Austria