Universität zu Köln

Morgenthaler, Simon, Duenzen, Justus, Stadler, Ingo and Witthaut, Dirk ORCID: 0000-0002-3623-5341 (2021). Three stages in the co-transformation of the energy and mobility sectors. Renew. Sust. Energ. Rev., 150. OXFORD: PERGAMON-ELSEVIER SCIENCE LTD. ISSN 1879-0690

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Abstract

Renewable electricity sources such as wind and solar power have shown a remarkable development in terms of efficiency, costs and availability, but system integration still remains a challenge. Realizing a fully renewable electricity supply will require large scale storage technologies and flexible users to overcome long periods of low power generation. At the same time, other sectors such as mobility and industry must be electrified to replace fossil fuels. Power-to-methane is a promising technology as it enables large-scale energy storage and sector coupling using existing infrastructures. In this work, we analyze the co-transformation of the German electricity, mobility and industry sectors, taking into account the recent decision to phase out coal by 2038. We evaluate the necessary capacities of renewables and sizes for storage options, as well as system costs and associated emissions using a techno-economic optimization model with a high technological and temporal resolution in the open-source framework OSeMOSYS. We find three rather different stages of the transformation driven by the decreasing emissions cap and the coal phase-out. Solar power is expanded vastly up to 2030, whilst coal is replaced mainly by fossil natural gas by 2040. Emissions caps become very challenging after 2040 to the extent that all flexibility options are greatly expanded: storage, curtailment and flexible power-to-methane.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Morgenthaler, Simon UNSPECIFIED UNSPECIFIED UNSPECIFIED Duenzen, Justus UNSPECIFIED UNSPECIFIED UNSPECIFIED Stadler, Ingo UNSPECIFIED UNSPECIFIED UNSPECIFIED Witthaut, Dirk UNSPECIFIED orcid.org/0000-0002-3623-5341 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-584438
DOI:	10.1016/j.rser.2021.111494
Journal or Publication Title:	Renew. Sust. Energ. Rev.
Volume:	150
Date:	2021
Publisher:	PERGAMON-ELSEVIER SCIENCE LTD
Place of Publication:	OXFORD
ISSN:	1879-0690
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language POWER-TO-GAS; ELECTRIC VEHICLES; SYSTEM; STORAGE; WIND; IMPACT; OPTIMIZATION; ELECTROLYSIS; FLEXIBILITY; PERFORMANCE Multiple languages Green & Sustainable Science & Technology; Energy & Fuels Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/58443