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Evaluation of power-to-gas as long-term storage concept regarding electricity and CO2 sources

: Jentsch, M.; Trost, T.; Sterner, M.

Volltext urn:nbn:de:0011-n-3920508 (157 KByte PDF)
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Erstellt am: 14.5.2016

World Council for Renewable Energy -WCRE-; Europäische Vereinigung für Erneuerbare Energien e.V. -EUROSOLAR-, Bonn:
6th International Renewable Energy Storage Conference, IRES 2011. CD-ROM : November 28-30, 2011 Berlin/Germany
Bonn: EUROSOLAR, 2011
5 S.
International Renewable Energy Storage Conference and Exhibition (IRES) <6, 2011, Berlin>
Internationale Konferenz zur Speicherung Erneuerbarer Energien (IRES) <6, 2011, Berlin>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer IWES ()
Power-To-Gas; renewable methane; long-term storage; CO2 sources; linking power and gas grids

This paper discusses interrelations of power sources and CO2 sources which are fundamental for a systematically and environmentally reasonable use of the power-to-gas long-term storage concept. From a systematic point of view the charging power in different system situations and the role of the CO2 source for the methanation are evaluated. The balance of CO2-emissions for the process from power to gas and re-conversion to electricity shows that only the use of renewable energy in combination with CO2 without emission responsibility obtains an ecological system benefit compared with the emissions of fossil peak load power.