Webseminar: Großwärmepumpen – der nächste Schritt zur Wärmewende?

Webseminar: Großwärmepumpen – der nächste Schritt zur Wärmewende?

🎙 Dr. Jens Kühne, Dr. Heiko Huther 👥 159 📅 September 27, 2021 ⏱ 77 min 👁 2K 📄 expert opinion 🧭 2026-08-18
Available in: English (current) Français

Keywords

GroßwärmepumpenWärmewendeFernwärmeWärmepumpenErneuerbare Energien

Summary

This webinar, organized by the Platform Renewable Energies Baden-Württemberg, provides an overview of large heat pumps (Großwärmepumpen) as a key technology for the heat transition in Germany. Dr. Jens Kühne from AGFW presents the AGFW practice guide on large heat pumps, covering technical aspects, heat sources (air, water, wastewater, waste heat), economic considerations, and regulatory frameworks. He highlights the potential of large heat pumps to supply district heating networks, but notes challenges such as high electricity costs and regulatory barriers. Dr. Heiko Huther then presents the ‘Reallabor Großwärmepumpen’ project, a government-funded initiative to install large heat pumps (up to 22 MW) at power plant sites in Stuttgart, Mannheim, and other locations. The project aims to demonstrate the feasibility and gather operational experience. The webinar concludes with a Q&A session, emphasizing the need for supportive policies and further research to scale up this technology.

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Critical Evaluation

Value of the Information & Strength of the Argument

The webinar provides valuable insights into the technical and economic aspects of large heat pumps, a relatively niche topic. The argumentation is based on practical experience and a practice guide, lending credibility. However, the presentation is largely descriptive and lacks critical analysis of potential drawbacks or alternative technologies. The economic analysis is simplified and does not delve into detailed sensitivity analyses. Overall, the information is useful for stakeholders but not groundbreaking.

Scientific Rigor, Source Quality, Title Accuracy

The webinar is scientifically rigorous in its use of AGFW’s practice guide and real-world project data. The sources are credible, though not extensively cited. The title accurately reflects the content, which is focused on large heat pumps as a step in the heat transition. The presentation is well-structured and informative, but the lack of detailed references and the reliance on expert opinion rather than peer-reviewed studies slightly reduce its scientific rigor.

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Title / Content Match

The title accurately reflects the content, which focuses on large heat pumps as a next step in the heat transition.

Quality & Reliability

7/10

The webinar features two experts from AGFW, a reputable German energy efficiency association, presenting technical and regulatory aspects of large heat pumps. The content is based on a practice guide and a real-world laboratory project, but it is primarily an expert opinion with limited peer-reviewed evidence. The presentation is well-structured and informative, but lacks detailed data and references.

Key Moments

Cited Sources

Concurring Sources

Contribution & Novelties

The webinar provides a comprehensive overview of large heat pumps in Germany, highlighting their potential and challenges. It offers practical insights from a real-world project, which is valuable for stakeholders. The presentation of the AGFW practice guide is a useful resource for those interested in implementing this technology.

Pour aller plus loin :

  • Large heat pumps in district heating — Overview of district heating systems and their role in energy transition.
  • Heat pump — General information on heat pump technology.
  • AGFW — Official website of the German energy efficiency association for heat, cold, and CHP.

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Radar Profile

The radar profile shows a balanced performance across all dimensions, with slightly higher scores in information quantity and quality, reflecting the webinar's informative nature. The technical level is moderate, suitable for a general audience, and the overall reliability is good due to the expert presenters.

Reliability 7/10