Preprint Article Version 2 Preserved in Portico This version is not peer-reviewed

A Novel Method for Analyzing Highly Renewable and Sector-coupled Sub-national Energy Systems–Case Study of Schleswig-Holstein

Version 1 : Received: 20 March 2021 / Approved: 22 March 2021 / Online: 22 March 2021 (12:38:07 CET)
Version 2 : Received: 23 March 2021 / Approved: 24 March 2021 / Online: 24 March 2021 (13:32:30 CET)

A peer-reviewed article of this Preprint also exists.

Maruf, M.N.I. A Novel Method for Analyzing Highly Renewable and Sector-Coupled Subnational Energy Systems—Case Study of Schleswig-Holstein. Sustainability 2021, 13, 3852. https://doi.org/10.3390/su13073852 Maruf, M.N.I. A Novel Method for Analyzing Highly Renewable and Sector-Coupled Subnational Energy Systems—Case Study of Schleswig-Holstein. Sustainability 2021, 13, 3852. https://doi.org/10.3390/su13073852

Journal reference: Sustainability 2021, 13, 3852
DOI: 10.3390/su13073852

Abstract

The energy transition requires integration of different energy carriers, including electricity, heat, and transport sectors. Energy modeling methods and tools are essential to provide a clear insight into the energy transition. However, the methodologies often overlook the details of small-scale energy systems. The study states an innovative approach to facilitate sub-national energy systems with 100% renewable penetration and sectoral integration. An optimization model, OSeEM-SN, is developed under the Oemof framework. The model is validated using the case study of Schleswig-Holstein. The study assumes three scenarios representing 25%, 50%, and 100% of the total available biomass potentials. OSeEM-SN reaches feasible solutions without additional offshore wind investment, indicating that they can be reserved for supplying other states’ energy demand. The annual investment cost varies between 1.02 bn – 1.44 bn €/yr for the three scenarios. The electricity generation decreases by 17%, indicating that with high biomass-based combined heat and power plants, the curtailment from other renewable plants can be decreased. Ground source heat pumps dominate the heat mix; however, their installation decreases by 28% as the biomass penetrates fully into the energy mix. The validation confirms OSeEM-SN as a beneficial tool to examine different scenarios for sub-national energy systems.

Subject Areas

Sector coupling; 100% renewable; Sub-national energy model; Energy transition; Open science.

Comments (1)

Comment 1
Received: 24 March 2021
Commenter: Md. Nasimul Islam Maruf
Commenter's Conflict of Interests: Author
Comment: The revised submission has been improved thoroughly compared to the first submission. The paper’s updated title is ‘A Novel Method for Analyzing Highly Renewable and Sector-coupled Sub-national Energy Systems–Case Study of Schleswig-Holstein.’ Section 2 has been improved to present a detailed comparison of 16 open modeling tools that can be used to analyze 100% renewable and sector-coupled energy systems. Section 2 (Background) has been broken into two sub-sections for better understanding. Section 5 (Results) presents the model results and analyzes them. Section 6 (Discussion) stands alone as a separate section and presents a broader context of the developed model compared to other similar studies and model applications. Parts of Section 7 (Conclusion) have been rewritten to clarify the study’s limitations, model upgrade plans, future research plans, and the study’s summary.
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