Erneuerbare Wärmeversorgung mit tiefer Geothermie

Erneuerbare Wärmeversorgung mit tiefer Geothermie

🎙 Plattform Erneuerbare Energien Baden-Württemberg 👥 159 📅 December 9, 2020 ⏱ 76 min 👁 341 📄 documentary 🧭 2026-08-18
Available in: English (current) Français

Keywords

deep geothermalrenewable heatBaden-Württembergdistrict heatingenergy transition

Summary

This webinar, organized by the Platform for Renewable Energies in Baden-Württemberg, explores the role of deep geothermal energy in the heat transition. Two industry experts present their experiences: Helmut Mangold from Innovative Energy Pullach, a municipal utility in Bavaria, and Lutz Stahl from Deutsche ErdWärme, a project developer. Mangold details how Pullach has successfully supplied half of its heat demand from deep geothermal since 2005, with three wells at 3 km depth providing 16.5 MW. He emphasizes the base-load capability, CO2 savings, and the potential for district heating networks. Stahl discusses the geological conditions in the Upper Rhine Graben, where temperatures reach 150-170°C at depths of 3.5 km, suitable for both heat and power generation. He outlines the development process, including seismic surveys, drilling, and public engagement, and highlights existing projects in the region. The webinar also covers challenges such as high upfront costs (30-60 million euros), long development times (6-7 years), and the need for supportive policies. The speakers advocate for expanding district heating networks and integrating geothermal with other renewables to achieve the heat transition.

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Critical Evaluation

Value of the Information & Strength of the Argument

The webinar provides valuable insights from practitioners with direct experience in deep geothermal projects. Mangold’s presentation offers concrete data from Pullach, demonstrating the feasibility and benefits of municipal geothermal. Stahl’s overview of the Upper Rhine Graben projects illustrates the technical and economic aspects. The argumentation is pragmatic, focusing on real-world challenges and solutions. However, the presentations are largely descriptive and lack critical analysis of potential drawbacks or alternative technologies. The speakers are advocates for geothermal, which may introduce bias, but they do acknowledge hurdles such as high costs and geological risks.

Scientific Rigor, Source Quality, Title Accuracy

The webinar is a recorded seminar with two expert presentations. The speakers cite their own projects and general industry knowledge, but no formal citations are provided. The title accurately reflects the content. The description mentions a website (erneuerbare-bw.de) for more information, but no specific sources are listed. The scientific rigor is moderate: the information is based on practical experience and case studies, but lacks peer-reviewed references. The adequacy between title and content is high, as the webinar directly addresses renewable heat supply via deep geothermal.

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Title / Content Match

The title accurately reflects the content, which focuses on renewable heat supply through deep geothermal energy.

Quality & Reliability

7/10

The webinar features two experienced practitioners from the geothermal industry, providing practical insights and real-world data. However, it lacks peer-reviewed citations and is primarily based on professional experience and case studies.

Key Moments

Cited Sources

Concurring Sources

Contribution & Novelties

The webinar provides a practical overview of deep geothermal projects in Germany, particularly in Bavaria and Baden-Württemberg. It highlights successful case studies and the potential for scaling up. The speakers share insights on technical, economic, and social aspects, offering a comprehensive perspective for municipalities considering geothermal.

Pour aller plus loin :

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Radar Profile

The radar profile shows high scores in quantity of information and technical level, reflecting the detailed presentations. Quality and reliability are moderate, as the content is based on practical experience rather than peer-reviewed research. The overall balance suggests a valuable resource for understanding deep geothermal applications.

Reliability 7/10

💬 No comments were provided for analysis.