CO2 Geological Storage and Utilization for a Carbon Neutral 
“Power-to-gas-to-power” Cycle to Even Out Fluctuations of Renewable Energy 
Provision

Kühn, M.; Nakaten, Natalie Christine; Streibel, M.; Kempka, T.

doi:10.1016/j.egypro.2014.11.841

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CO2 Geological Storage and Utilization for a Carbon Neutral “Power-to-gas-to-power” Cycle to Even Out Fluctuations of Renewable Energy Provision

Authors

/persons/resource/mkuehn

Kühn, M.
5.3 Hydrogeology, 5.0 Earth Surface Processes, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/natalie

Nakaten, Natalie Christine
5.3 Hydrogeology, 5.0 Earth Surface Processes, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/streibel

Streibel, M.
CGS Centre for Geological Storage, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/kempka

Kempka, T.
5.3 Hydrogeology, 5.0 Earth Surface Processes, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Citation

Kühn, M., Nakaten, N. C., Streibel, M., Kempka, T. (2014): CO2 Geological Storage and Utilization for a Carbon Neutral “Power-to-gas-to-power” Cycle to Even Out Fluctuations of Renewable Energy Provision. - Energy Procedia, 63, 8044-8049.
https://doi.org/10.1016/j.egypro.2014.11.841

Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_814899

Abstract

Underground methane (CH4) gas storage offers capacity and state of the art technology to temporarily store and reuse wind and solar energy. Carbon dioxide (CO2) for ethanation can be readily provided in the same way and used in a closed cycle with CO2 separation at the power plant. With enhanced gas recovery employed, CH4 and CO2 could be placed in the same reservoir to be mutually working and cushion gas for each other. Selected gas storage sites of Germany show that they already have the potential to take up 20-60% of the 90-270 TWh excess energy estimated for 2050.