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2021

Subsurface renewable energy storage capacity for hydrogen, methane and compressed air – A performance assessment study from the North German Basin

Gasanzade, F. ., Pfeiffer, W. T., Witte, F. ., Tuschy, I. ., & Bauer, S. . (2021). Subsurface renewable energy storage capacity for hydrogen, methane and compressed air – A performance assessment study from the North German Basin. Renewable and Sustainable Energy Reviews, 149, 111422. http://doi.org/https://doi.org/10.1016/j.rser.2021.111422

Abstract

The transition to renewable energy sources to mitigate climate change will require large-scale energy storage to dampen the fluctuating availability of renewable sources and to ensure a stable energy supply. Energy storage in the geological subsurface can provide capacity and support the cycle times required. This study investigates hydrogen storage, methane storage and compressed air energy storage in subsurface porous formations and quantifies potential storage capacities as well as storage rates on a site-specific basis. For part of the North German Basin, used as the study area, potential storage sites are identified, employing a newly developed structural geological model. Energy storage capacities estimated from a volume-based approach are 6510 TWh and 24,544 TWh for hydrogen and methane, respectively. For a consistent comparison of storage capacities including compressed air energy storage, the stored exergy is calculated as 6735 TWh, 25,795 TWh and 358 TWh for hydrogen, methane and compressed air energy storage, respectively. Evaluation of storage deliverability indicates that high deliverability rates are found mainly in two of the three storage formations considered. Even accounting for the uncertainty in geological parameters, the storage potential for the three considered storage technologies is significantly larger than the predicted demand, and suitable storage rates are achievable in all storage formations.
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Personenseiten

Witte, Francesco

Tuschy, Ilja

Profilbereich

Erneuerbare Energien und nachhaltige Entwicklung

Forschungsfeld

Wärme

Netzintegration

Fachbereich

Fachbereich 2: Energy and Life Science
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2021

Journal Article

Firdovsi Gasanzade

Wolf Pfeiffer

Francesco Witte

Ilja Tuschy

Sebastian Bauer

Subsurface energy storage

Storage capacity

Exergy assessment

North German Basin

Geological porous media

Compressed air energy storage

Hydrogen gas storage

Methane gas storage

Achievable storage rate
Coupled power plant and geostorage simulations of porous media compressed air energy storage (PM-CAES)

Pfeiffer, W. T., Witte, F. ., Tuschy, I. ., & Bauer, S. . (2021). Coupled power plant and geostorage simulations of porous media compressed air energy storage (PM-CAES). Energy Conversion and Management, 249, 114849. http://doi.org/https://doi.org/10.1016/j.enconman.2021.114849

Abstract

Porous media compressed air energy storage (PM-CAES) systems that use porous geological formations such as sandstone may provide large storage capacities in future energy systems based primarily on fluctuating renewable energy sources. In CAES systems, the instantaneous power and stored energy are closely linked to the storage pressure and the mass flow rate achievable in the geological reservoir. Therefore, a coupled simulator that accurately represents the power plant, the geostorage site, and their interactions during all potential PM-CAES system operation modes is presented in this paper. Using adiabatic and diabatic power plant topology test designs, strong feedback between the achievable storage rates and capacities of the chosen power plant design and geostorage site are found, thus confirming the benefit of this integrated modelling approach. Using a generic, highly cyclic load profile for daily peak shaving with charging and discharging rates of 100 MW and an adiabatic power plant topology, it is found that all discharging targets can be met but the achievable charging rates decrease to approximately 95 MW due to increased pressure in the geostorage after approximately 10 cycles. When a diabatic power plant design is considered, a long-term decrease in the geostorage pressure is found. Correspondingly, the charging power always meets the specifications, while the discharging power decreases slowly from the 20th storage cycle onwards to 79 MW in the 31st cycle. The newly developed simulation tool thus allows one to predict achievable power rates and geostorage pressures for PM-CAES systems, enabling the identification of efficient PM-CAES designs.
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Witte, Francesco

Tuschy, Ilja

Profilbereich

Erneuerbare Energien und nachhaltige Entwicklung

Forschungsfeld

Wärme

Netzintegration

Fachbereich

Fachbereich 2: Energy and Life Science
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2021

Journal Article

Wolf Pfeiffer

Francesco Witte

Ilja Tuschy

Sebastian Bauer

PM-CAES

Compressed air energy storage

Geological storage

Coupled simulations
Integration unterirdischer Speichertechnologien in die Energiesystemtransformation am Beispiel des Modellgebietes Schleswig-Holstein - ANGUS II : Schlussbericht zum Verbundvorhaben Teilprojekt Simulation energietechnischer Einzelanlagen

Boysen, C. ., Kaldemeyer, C. ., Sadat, F. ., Tuschy, I. ., Witte, F. ., Bauer, S. ., & Dahmke, A. . (2021). Integration unterirdischer Speichertechnologien in die Energiesystemtransformation am Beispiel des Modellgebietes Schleswig-Holstein - ANGUS II : Schlussbericht zum Verbundvorhaben Teilprojekt Simulation energietechnischer Einzelanlagen. Hochschule Flensburg. Abgerufen von https://www.tib.eu/de/suchen/id/TIBKAT%3A1798315475
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Tuschy, Ilja

Witte, Francesco

Profilbereich

Erneuerbare Energien und nachhaltige Entwicklung

Forschungsfeld

Wärme

Netzintegration

Fachbereich

Fachbereich 2: Energy and Life Science
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2021

Miscellaneous

Cynthia Boysen

Cord Kaldemeyer

Fahim Sadat

Ilja Tuschy

Francesco Witte

Sebastian Bauer

Andreas Dahmke

2019

Test cases for a coupled powerplant and geostorage model to simulate compressed air energy storage in geological porous media

Pfeiffer, W. T., Witte, F. ., Tuschy, I. ., & Bauer, S. . (2019). Test cases for a coupled powerplant and geostorage model to simulate compressed air energy storage in geological porous media. In Proceedings of 11th International Conference on Applied Energy, Part 4 (Bd. 05). Västeras, Sweden.
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Witte, Francesco

Tuschy, Ilja

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Fachbereich 2: Energy and Life Science
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2019

Conference Paper

Wolf Pfeiffer

Francesco Witte

Ilja Tuschy

Sebastian Bauer

Publikationen

2021

Subsurface renewable energy storage capacity for hydrogen, methane and compressed air – A performance assessment study from the North German Basin

Abstract

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Coupled power plant and geostorage simulations of porous media compressed air energy storage (PM-CAES)

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Integration unterirdischer Speichertechnologien in die Energiesystemtransformation am Beispiel des Modellgebietes Schleswig-Holstein - ANGUS II : Schlussbericht zum Verbundvorhaben Teilprojekt Simulation energietechnischer Einzelanlagen

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2019

Test cases for a coupled powerplant and geostorage model to simulate compressed air energy storage in geological porous media

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