European Workshop on Underground Energy Storage, 7-8 November 2019, Paris, France

Photo gallery

Opening Session – European perspectives on energy storage and the role of underground options

1. 1. Welcome & Introduction to the workshop – Objectives, goals, expectations Dr. Isabelle Czernichowski-Lauriol & Dr. Vit Hladik, ENeRG
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   2. Industry perspective (Pilot projects, expected market developments, drivers) Mr. Patrick Clerens, Secretary of the European Association for Storage of Energy (EASE)
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   3. Research perspective (State of art, assessments, projects) Dr. Serge van Gessel, Chair of EuroGeoSurveys’ GeoEnergy Expert Group, TNO, The Netherlands
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Session 1: Introducing the technologies
Overview presentations – What are the key underground energy storage technologies, technical/geological requirements (e.g. suitable formations, depths, properties), where do technologies fit in the energy system (services, short, mid or long term) including conversions (P<>P, P<>G, P<>H, P<>X), technology rankings and comparisons (e.g. underground vs above ground vs other flexibility)

1. 1. Compressed Air Energy Storage (CAES) underground technologies
      Prof. Seamus Garvey, Nottingham University, UK
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   2. Underground Pump Hydro Storage (UPHS) concepts Dr. Wolfgang Littmann, erneo Energiespeichersysteme GmbH, Germany
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   3. Underground storage of Hydrogen in salt caverns Dr. Grégoire Hévin, Storengy, France
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   4. Underground storage of Hydrogen in porous geological media
      Mr. Markus Pichler, RAG AG, Austria
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   5. Technologies status and perspectives of Power-to-Gas in connection with seasonal underground storage Mr. Martin Thema, OTH Regensburg, Germany
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   6. Electrolysis-Methanation-Oxyfuel (EMO) concept – an overview of the results of the FLUIDSTORY project Dr. Anne-Gaelle Bader, BRGM, France
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   7. Underground storage of Heat Dr. Joris Koornneef, TNO, The NetherlandsView

Session 2: Future demand for underground energy storage
What drives the demand both for short to mid-term and for long term energy storage in Europe – general and particularly underground? What demand is expected when? Regional differences and regional centres of demand. Link with energy and climate policies, energy market and system trends, timing of need for development, etc.

1. 1. Future demand for underground energy storage in Europe with an economical point of view
      Mr. Sebastian Escagües, ENEA, France
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   2. Providing seasonal energy supply: future perspectives for the underground storage of natural gas and conversions into storages for green gas & hydrogen Mr. Ladislav Barkoci, NAFTA, Slovakia
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   3. Balancing renewables: the role of salt caverns in Germany`s future energy system Ms. Lara Welder, Forschungszentrum Jülich, Germany
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   4. Value of integrating High-Temperature Underground Thermal Energy Storage (HT-UTES) with district heating to enhance performance Mr. Fleury de Oliveira, University of Geneva, Switzerland
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Session 3: Social license to operate
Risks, environmental impacts, spatial planning, matching demand for storage and regional subsurface potential, social acceptance and embeddedness, economy.
Are there regional differences in Europe?

1. 1. What role for society in the development of underground energy storage? Presentation of the GEFISS project – Social Governance for Subsurface Engineering
      Ms. Joanna Henderson, Blue Dot, France
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Session 4: Results of the FLUIDSTORY research project:
Massive and reversible underground storage of fluids (O2, CO2, CH4) for energy storage and recovery
Presentation of research results from the FluidStory project, funded by the French National Research Agency (ANR)

1. 1. Process modelling and capacity building potential for application of EMO storage concepts
      Dr. Nouaamane Kezibri, ENGIE, France
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   2. Thermo-mechanical integrity of salt cavern during the exploitation period
      Dr. Ing. Pierre Berest, Lab. of Solid Mechanics, Ecole Polytechnique, France
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   3. Thermodynamic and geochemical behavior of salt caverns
      Dr. Christophe Coquelet, Armines, France
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   4. Salt-cavern safety and risk management
      Mr. Thomas Le Guénan, BRGM, France
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   5. Energy and economic profitability of the EMO concept
      Mr. Arnaud Réveillère, Geostock, France and Mr. Sebastian Escagües, ENEA, France
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Session 5: Subsurface assessments
Presentation of geological assessments (pan-EU, national, local) for various energy storage technologies (e.g. ESTMAP, INSPEE). Focus on results as well as used methods and resource classifications (UNFC)

1. 1. How to assess the storage performance? (working volumes, production/injection rates, sensitivities on various parameters, etc.)
      Dr. Joaquim Juez Larré, ECN.TNO, The Netherlands
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   2. How to classify underground energy storage capacities?
      Mr. Edward Hough, British Geological Survey, UK
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   3. ESTMAP – First pan-European assessment of underground energy storage potential
      Dr. Vit Hladik, Czech Geological Survey, Czech Republic
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Session 6: Industry Pilot Projects and Research
Experiences from industry pilots, projects, etc. (e.g. CAES/Hydrogen storage in salt caverns, Hydrogen storage in depleted HC reservoirs, P>G, methanogenesis, heat storage)

1. 1. Future roles of Hydrogen in the energy transition and examples of operating and future Hydrogen storages (STOPIL-H2 and ROSTOCK-H GEODENERGIES projects)
      Mr. Arnaud Réveillère, Geostock, France and Dr. Grégoire Hévin, Storengy, France
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   2. World wide first pilot plant of an advanced adiabatic compressed air energy storage technology in the Swiss Alps
      Prof. Andreas Haselbacher, ETH Zürich, Switzerland
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   3. Lessons learned from existing and past Underground Thermal Energy Storage systems (HEATSTORE project)
      Mr. Thomas Vangkilde-Pedersen, GEUS, Denmark
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   4. Experimental underground pump hydro facility in a mine in the Czech Republic
      Mr. David Pawera, ROBOTSYSTEM, Czech Republic
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Poster sessions

• Poster 1
  PEPS – An innovative Small Pumped Hydro Storage Solution in quarries/mines (Davina D’Orazio)
• Poster 2
  Geological possibility of hydrogen storage caverns location in the upper Permian (Zechstein) stratiform rock salts and salt domes in Poland (Radoslaw Tarkowski and Grzegorz Czapowski)
• Poster 3
  Effect of the mass transfer on the monitoring of a salt cavern storage (Aurélien Soubeyran)
• Poster 4
  Energy storage using an advanced CAES technology – adiabatic compressed gas energy storage (Wolfgang Littmann)
• Poster 5
  Application of saline aquifers for underground storage of CO2 and energy in the Baltic countries: ongoing research, needs and prospect (Alla Shogenova and Kazbulat Shogenov)
• Poster 6
  Overview of Underground Energy Storage Potential in Croatia (Iva Kolenkovic Mocilac, Marko Cvetkovic, Bruno Saftic, David Rukavina)
• Poster 7
  Preliminary evaluation on geological energy storage solutions in Romania (Alexandra Dudu, Constantin Stefan Sava, Gabriel Iordache, Sorin Anghel, Marius Paraschivoiu, Marian Malageanu, Irinel Caraban)
• Poster 8
• Investigation on mechanical and hydraulic properties of damaged salt rock: Application to underground hydrogen storage (Farah Al Sahyouni, Dragan Grgic, Fabrice Golfier)
• Poster 9
  not presented
• Poster 10
  Assessing the potential for storage of renewable electrical energy in salt caverns in the border area between Denmark and Germany (southern Jutland – Schleswig) (Niels Poulsen)
• Poster 11
  Underground in the context of energy transition: Ensuring the safety and the performance of subsurface uses (André Burnol, Hideo Aochi, Thomas Le Guénan, Anne-Gaëlle Bader)
• Poster 12
  Conversion of H2 and CO2 into CH4 by methanogenesis as a potential way of energy storage (S. Stephant, S. Dupraz, L. André, C. Joulian, M. Blessing, R.A. Pérez)
• Poster 13
  Monitoring Subsurface Energy Storage with Ambient Noise Tomography (Richard Lynch, Dan Hollis, Jean-Charles Ferran, Frederic Moinet)
• Poster 14 (the authors did not agree with publication of the poster on the website)
  Development of Laboratory and Field Experiments to Quantify the Impact of Hydrogen Intrusions into Shallow Aquifers (Frank Dethlefsen, Götz Hornbruch, Louisa Lagmöller, Klas Lüders, Andreas Dahmke)
• Poster 15 (the authors did not agree with publication of the poster on the website)
  Geochemical aspects at HT-UTES – experience from lab experiments and a field test y (Ralf Köber, Klas Lüders, Götz Hornbruch, Nicolas Koproch and Andreas Dahmke)
• Poster 16
  Ground Heat Storage Systems: perspective in Mediterranean environments (Jessica Maria Chicco, Giuseppe Mandrone)