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).

Modeled performance envelopes of rotor blade heating systems

Modeled performance envelopes as curves depending on wind speed and ambient temperature for different values of liquid water content (LWC) and surface temperature of the rotor blade. The curves were calculated with the “Task 54 Performance Envelope Model”.

Group picture of the Task meeting in Calgary

Group picture of the participants of the task meeting following the “Electricity Transformation Canada” conference in Calgary in October 2023.

Task presentations at stakeholder meeting of IG Windkraft

Ian Baring-Gould (NREL, Task 41) giving a presentation on distributed wind's role in supporting the clean energy transition. Further presenters in the panel from left to right: Franziska Gerber (Meteotest, Task 54), Charles Goudreau (Nergica, Task 54), Andreas Krenn (Energiewerkstatt), Claas Rittinghaus (Energiewerkstatt, Task 54).

Icing on structures on the nacelle of a wind turbine

Webcam image of superstructures on the nacelle of a wind turbine with recognizable icing, which corresponds to the structure and consistency of clear ice directly on the structures and changes to hard rime as it progresses. The turbine is located at a test site of the Nergica center of applied research in eastern Canada. The webcam image is part of a dataset in the “Task 54 Icing Event Database”.

Research project "N.ICE"

The erection of the experimental setup for the research project N.ICE could be completed just in time before the start of the winter season. For the next months, a number of different samples of nano-structured surfaces will be tested under the harsh icing conditions of the Styrian mountains. N.ICE is a cooperative research project between the Vienna University of Technology and the Energiewerkstatt Verein, which is funded by the Austrian Climate and Energy Fund.

Rotor blade icing

Scenic view of a rotor blade with light snow and ice accumulation in a winterly setting.

International workshop on ice fall risk assessment in Salzburg

On November 4th and 5th 2021, the Energiewerkstatt invited to a workshop on ice fall risk assessment in the framework of Task 19 of the IEA research cooperation. The aim was to revise the international recommendations on ice fall and ice throw risk assessment issued on behalf of the IEA. The expert group led by Energiewerkstatt published the new edition of the document in spring 2022.

Template of a universal ice fall warning sign

In course of revising the IEA Wind TCP Ice Fall Recommendations the template of a universal ice fall warning sign was designed.

Poject meeting Salzburg

Participants in the Task 19 Workshop on risk analysis and risk assessment which was held in January 2018 in Salzburg.

Iced-up measurement

Severe icing on a meteorological measurement site. The sole instrument free of ice is the heated anemometer in the upper center of the picture.

IEA-PVPS Task Grid Integration workshop in Tokyo, Japan

International Experts from Task 14 and Experts from the Japanese electricity sector and research attending the NEDO/Task 14 workshop in November 2022

Tailem Bend Solar Power Farm, South Australia

187 MW Solar Power Farm in Tailum Bend, South Australia

Development path of photovoltaics in the future Smart Grid

As part of the international cooperation in Task 14, an overview of current demonstration projects of communication and control concepts with a focus on ICT-related aspects of smart grid integration of photovoltaics was compiled. Based on these experiences, a universal development path was outlined, which describes the possible integration of photovoltaics into a future Smart Grid and the transition from a purely passive role to an active integration into grid control and energy markets.

22nd IEA PVPS Task 13 Meeting, October 2019, Chile

Technical tour of the IEA PVPS Task 13 people visiting Atamos-Tec in the Atacama desert, near Antofagasta, Chile.

Drifting Sand on Photovoltaic Modules

Horizontal single axis tracker photovoltaic system in the Atacama desert affected by drifting sand accumulation on modules. See also Report IEA-PVPS-T13-21:2022 "Soiling Losses Impact on the Performance of Photovoltaic Power Plants" and Report IEA-PVPS-T13-25:2022 "Guidelines for Operation and Maintenance of Photovoltaic Power Plants in Different Climates". Download at: https://iea-pvps.org/research-tasks/performance-operation-and-reliability-of-photovoltaic-systems/.

Photovoltaic system installation in the Alps

At a photovoltaic system in the Alps having two different types of glass-backsheet modules, one type shows after a few years cracks at the backsheets outer layer, while the others are free of failures. See Report T13-24:2021 „Qualification of Photovoltaic (PV) Power Plants using Mobile Test Equipment“ and Report IEA-PVPS-T13-25:2022 "Guidelines for Operation and Maintenance of Photovoltaic Power Plants in Different Climates". Download at: https://iea-pvps.org/research-tasks/performance-operation-and-reliability-of-photovoltaic-systems/.

On-site inspection of photovoltaic modules

Left hand side: Hand-held devices can be used to get insight in polymer materials composition and degradation processes. Right hand side: Module backsheet with multiple parallel cracks of the outer layer. See Report T13-24:2021 „Qualification of Photovoltaic (PV) Power Plants using Mobile Test Equipment“ and Report T13-13:2021 "Designing New Materials for Photovoltaics: Opportunities for Lowering Cost and Increasing Performance through Advanced Material Innovations". Download-Link: https://iea-pvps.org/research-tasks/performance-operation-and-reliability-of-photovoltaic-systems/

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.

Gruppenfoto IETS Task 21 Consortium Meeting in Graz

On April 9, 2024, a full-day meeting of IETS Task 21 took place in Graz. The meeting provided a valuable platform for exchanging insights and planning further steps for the successful implementation of the tasks within Task 21.

Graphic illustration of different terms from Zeilerbauer et al. (2024)

Figure from Zeilerbauer et al. (2024) (https://doi.org/10.1080/17583004.2024.2408285), which uses a use case to discuss different terms from the area of ​​Circular Carbon.