Production of "Green Natural Gas" Using Solid Oxide Electrolysis Cells (SOEC): Status of Technology and Costs

Mogens Bjerg Mogensen, Søren Højgaard Jensen, Sune Dalgaard Ebbesen, Anne Hauch, Christopher R. Graves, Jens Valdemar Thorvald Høgh, Xiufu Sun, Shital Das, Peter Vang Hendriksen, Jens U. Nielsen, Aksel H. Pedersen, Niels Christiansen, John B. Hansen

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review


This paper gives arguments in favour of using green natural gas (GNG) as storage media for the intermittent renewable energy sources. GNG is here defined as being CH4, i.e. methane, often called synthetic natural gas or substitute natural gas (SNG), produced using renewable or at least CO2 neutral energy sources only. Also dimethyl ether (DME = (CH3)2O), which might be called Liquefied Green Gas, LGG, in analogy to Liquefied Petroleum Gas, LPG, because DME has properties similar to LPG. It further gives a short review of the state of the art of electrolysis in general and SOEC in particular. Production of synthesis gas (H2 + CO) from CO2 and H2O using SOEC technology is evaluated. GNG and LGG can be produced from synthesis gas (or short: syngas) by means of well established commercially available catalysis technology. Finally, estimations of costs and efficiencies are presented and the relative importance of cost and efficiency is briefly discussed.
Original languageEnglish
Title of host publicationInternational Gas Union World Gas Conference Papers
Publication date2012
ISBN (Print)978-162993440-2
Publication statusPublished - 2012
Event25th World Gas Conference - Kuala Lumpur, Malaysia
Duration: 4 Jun 20128 Jun 2012


Conference25th World Gas Conference
CityKuala Lumpur


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