Abstract
A new approach is presented for the seasonal storage of renewable energy. Storage medium is substitute natural gas (SNG), which can be generated via Biogas-to-SNG, BioSyngas-to-SNG and the new concept Wind-to-SNG. In the Wind-to-SNG process, excess renewable electricity from fluctuating sources (e.g. from wind turbines) is used for hydrogen generation via water electrolysis. In a downstream process, hydrogen and CO{sub 2} (e. g. from biogas) or CO/CO{sub 2} (e.g. from thermochemical biomass gasification) are converted to methane which is fed into the natural gas distribution system as SNG. The renewable energy carrier methane can he efficiently stored in the natural gas infrastructure and distributed according to customers' needs. The mutual convertibility of electricity/gas enables a smoothing of the electrical supply by offering negative control power by feed-in SNG in the case of surplus energy and positive control power by electricity generation from SNG. Throughout the world, electricity generation is based more and more on wind and solar energy. So far, the missing link for integrating renewable energy into the electricity supply is a smart power storage concept. Because when the wind is blowing powerfully, wind turbines generate more electricity than the power grid can absorb. This surplus energy is being
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Specht, Michael;
Brellochs, Jochen;
Frick, Volkmar;
Stuermer, Bernd;
Zuberbuehler, Ulrich;
[1]
Sterner, Michael;
[2]
Waldstein, Gregor
[3]
- Zentrum fuer Sonnenenergie- und Wasserstoff-Forschung (ZSW), Ulm (Germany)
- IWES - Fraunhofer Inst. fuer Windenergie und Energiesystemtechnik, Kassel (Germany)
- SolarFuel GmbH, Stuttgart (Germany)
Citation Formats
Specht, Michael, Brellochs, Jochen, Frick, Volkmar, Stuermer, Bernd, Zuberbuehler, Ulrich, Sterner, Michael, and Waldstein, Gregor.
Storage of renewable energy in the natural gas grid; Speicherung von Bioenergie und erneuerbarem Strom im Erdgasnetz.
Germany: N. p.,
2010.
Web.
Specht, Michael, Brellochs, Jochen, Frick, Volkmar, Stuermer, Bernd, Zuberbuehler, Ulrich, Sterner, Michael, & Waldstein, Gregor.
Storage of renewable energy in the natural gas grid; Speicherung von Bioenergie und erneuerbarem Strom im Erdgasnetz.
Germany.
Specht, Michael, Brellochs, Jochen, Frick, Volkmar, Stuermer, Bernd, Zuberbuehler, Ulrich, Sterner, Michael, and Waldstein, Gregor.
2010.
"Storage of renewable energy in the natural gas grid; Speicherung von Bioenergie und erneuerbarem Strom im Erdgasnetz."
Germany.
@misc{etde_21369369,
title = {Storage of renewable energy in the natural gas grid; Speicherung von Bioenergie und erneuerbarem Strom im Erdgasnetz}
author = {Specht, Michael, Brellochs, Jochen, Frick, Volkmar, Stuermer, Bernd, Zuberbuehler, Ulrich, Sterner, Michael, and Waldstein, Gregor}
abstractNote = {A new approach is presented for the seasonal storage of renewable energy. Storage medium is substitute natural gas (SNG), which can be generated via Biogas-to-SNG, BioSyngas-to-SNG and the new concept Wind-to-SNG. In the Wind-to-SNG process, excess renewable electricity from fluctuating sources (e.g. from wind turbines) is used for hydrogen generation via water electrolysis. In a downstream process, hydrogen and CO{sub 2} (e. g. from biogas) or CO/CO{sub 2} (e.g. from thermochemical biomass gasification) are converted to methane which is fed into the natural gas distribution system as SNG. The renewable energy carrier methane can he efficiently stored in the natural gas infrastructure and distributed according to customers' needs. The mutual convertibility of electricity/gas enables a smoothing of the electrical supply by offering negative control power by feed-in SNG in the case of surplus energy and positive control power by electricity generation from SNG. Throughout the world, electricity generation is based more and more on wind and solar energy. So far, the missing link for integrating renewable energy into the electricity supply is a smart power storage concept. Because when the wind is blowing powerfully, wind turbines generate more electricity than the power grid can absorb. This surplus energy is being more frequently reflected at the power exchange market through negative electricity prices. In such cases, the new technology could soon keep green electricity in stock as renewable methane. The new technology aims at facilitating the integration of high shares of fluctuating power generation from renewable energies into the energy system. One goal is to structure the delivery of power from wind parks on a scheduled and regular basis. The efficiency of converting power to gas equals more than 60%. This is definitely better than a total loss. A total loss looms if, for instance, wind power has to be curtailed. The new concept is a game changer and a new significant element for the integration of renewable energies into a sustainable energy system. (orig.)}
journal = []
issue = {10}
volume = {126}
place = {Germany}
year = {2010}
month = {Oct}
}
title = {Storage of renewable energy in the natural gas grid; Speicherung von Bioenergie und erneuerbarem Strom im Erdgasnetz}
author = {Specht, Michael, Brellochs, Jochen, Frick, Volkmar, Stuermer, Bernd, Zuberbuehler, Ulrich, Sterner, Michael, and Waldstein, Gregor}
abstractNote = {A new approach is presented for the seasonal storage of renewable energy. Storage medium is substitute natural gas (SNG), which can be generated via Biogas-to-SNG, BioSyngas-to-SNG and the new concept Wind-to-SNG. In the Wind-to-SNG process, excess renewable electricity from fluctuating sources (e.g. from wind turbines) is used for hydrogen generation via water electrolysis. In a downstream process, hydrogen and CO{sub 2} (e. g. from biogas) or CO/CO{sub 2} (e.g. from thermochemical biomass gasification) are converted to methane which is fed into the natural gas distribution system as SNG. The renewable energy carrier methane can he efficiently stored in the natural gas infrastructure and distributed according to customers' needs. The mutual convertibility of electricity/gas enables a smoothing of the electrical supply by offering negative control power by feed-in SNG in the case of surplus energy and positive control power by electricity generation from SNG. Throughout the world, electricity generation is based more and more on wind and solar energy. So far, the missing link for integrating renewable energy into the electricity supply is a smart power storage concept. Because when the wind is blowing powerfully, wind turbines generate more electricity than the power grid can absorb. This surplus energy is being more frequently reflected at the power exchange market through negative electricity prices. In such cases, the new technology could soon keep green electricity in stock as renewable methane. The new technology aims at facilitating the integration of high shares of fluctuating power generation from renewable energies into the energy system. One goal is to structure the delivery of power from wind parks on a scheduled and regular basis. The efficiency of converting power to gas equals more than 60%. This is definitely better than a total loss. A total loss looms if, for instance, wind power has to be curtailed. The new concept is a game changer and a new significant element for the integration of renewable energies into a sustainable energy system. (orig.)}
journal = []
issue = {10}
volume = {126}
place = {Germany}
year = {2010}
month = {Oct}
}