M.Sc. Iegor Riepin

Contact: Building 3E - Room 2.22

T +49 (0) 355 69-4043

Consultation Hours: Tuesdays, 1:00 pm - 2:00 pm

Research Interests: Computational Economics, Operations Research and Complex Systems Analysis

10/2014 - present: Research assistant at the Chair of Energy Economics, BTU Cottbus-Senftenberg

09/2019 - 10/2019: Research visit, Institute for Integrated Energy Systems, University of Victoria (UVic), Canada

09/2013 - 10/2013: Internship at German Institute for Economic Research (DIW Berlin), Department: Energy, Transportation, Environment

08/2013 - 10/2014: Student assistant at the Chair of Energy Economics, BTU Cottbus-Senftenberg

10/2012 - 10/2014: Master degree in power engineering, BTU. Master thesis «Modelling of European natural gas market»

07/2011 - 08/2011: Internship at concern «City Thermal Grid», Ukraine

06/2010 - 07/2010: Internship at JSC «Zaporizhstal», Ukraine

09/2008 - 05/2012: Studies of Engineering, Zaporizhzhia State Engineering Academy, Ukraine

Publications and Conference Proceedings

Riepin, I., Schmidt, M., Müsgens, F. Assessing the impact of uncertainties on infrastructure developments in the European natural gas market: a robust optimization approach. Journal article. in progress

Riepin, I., Möbius, T., Müsgens, F. Combining uncertainty with electricity and gas sector coupling – worth the effort? Journal article. submission stage, Working paper at arXiv: arxiv.org/abs/2008.07221v1 | GitHub

Möbius, T., Riepin, I. (2020). Regret analysis of investment decisions under uncertainty in an integrated energy system, IEEE Conference Proceedings EEM 2020,  Preprint.

Jansen, M., Staffell, I., Kitzing, L., Quoilin, S., Wiggelinkhuizen, E., Bulder, B., Riepin, I., Müsgens, F. (2020). Offshore wind competitiveness in mature markets without subsidy. Nature Energy, DOI: 10.1038/s41560-020-0661-2 | Code | Supplementary data.

Riepin, I., Jansen, M., Staffell, I., Müsgens, F. (2020). The era of ‘negative-subsidy’ offshore wind power has almost arrived. Guest post at CarbonBrief, Link.

Riepin, I., Müsgens, F. Seasonal flexibility in the European natural gas market. Journal article. in review. GitHub.

Riepin, I., Müsgens, F. (2019). Seasonal flexibility in the European natural gas market. Cambridge Working Papers in Economics. DOI: 10.17863/CAM.43923Abstract | Non-Technical Summary | PDF.

Riepin, I., Möbius, T., Müsgens, F. (2018). Integrated electricity and gas market modeling – effects of gas demand uncertainty. IEEE Conference Proceedings EEM 2018. DOI: 10.1109/EEM.2018.8469790preprint versionVideo.

Müsgens, F., Riepin, I. (2018). Is offshore already competitive? Analyzing German offshore wind auctions. IEEE Conference Proceedings EEM 2018. DOI: 10.1109/EEM.2018.8469851preprint versionVideo.

Montenegro, R., Riepin, I., Hauser, P. (2016). Modelling of world LNG market development: focus on US investments and supplies. IEEE Conference Proceedings EEM 2016. DOI: 10.1109/EEM.2016.7521361.

Müsgens, F., Poudineh, R., Riepin, I. (2015). A note on climate policy negotiations at the threshold of COP-21 in Paris. Note of Oxford Institute for Energy Studies and BTU CS. PDF

Riepin, I. (2011). Usage of solar energy for heating service and domestic water heating. VII all-Ukrainian scientific conference. ZSEA. Vol. 2, pp. 78 - 83.

Riepin, I. (2011). Ukrainian market prospects in the field of alternative energy sources. The graduate students conference. ZSEA.  pp. 186 - 192.

The costs of ignoring uncertaintyand the value of perfect information: a toy model.

  • PDF | Code @ Doctoral seminar, BTU CS, 2019

Robust optimization of electricity system expansion.

  • PDF | Code @ University of Victoria, Canada, 2019

Economic impacts of uncertainty in integrated electricity and gas markets.

  • PDF @ 30th European Conference on Operational Research, Dublin, Ireland, 2019

Integrated electricity and gas market modelling – effects of gas demand uncertainty.

  • PDF @ EEM2018 Conference, Lodz, Poland, 2018
  • PDF @ PhD seminar Cottbus-Leipzig-Dresden, 2018

Integration of electricity and gas market models.

  • PDF @Energy modelling seminar, IER, Universität Stuttgart, 2018

Application of non-linear and complementarity problems for natural gas market modelling.

  • PDF @ Research seminar with chair of Mathematical Economics, BTU CS, 2017
  • PDF @ Internal research seminar, BTU CS, 2016

Natural Gas Storages in Competition with Alternative Flexibility Sources.

  • PDF @ 39th IAEE International Conference, Bergen, Norway, 2016
  • PDF @ PhD seminar Cottbus-Leipzig-Dresden, 2016

Prospects for Shale Gas Exploration in Europe: Ongoing Experience.

  • PDF@38th IAEE International Conference, Antalya, Turkey, 2015

Modelling of European natural gas market. Mathematical modelling workshop for a gas trading utility, Frankfurt am Main, 13.02.2015

Research Projects

  1. Design of auctions for market premia for onshore wind generation: theoretical and experimental testing.

  2. Fundamental gas market analysis for a gas trading utility in a context of the German energy transition process.

  3. "Strategy 2020”: Development of a middle-term natural gas market forecast for a gas trading utility.


Power System Economics I

Power System Economics II

Energy Systems Modelling

Bachelor-/Master Theses


  • Modelling a multi-price capacity market mechanism promoting flexibility in a power market with  high shares of renewable energy (Master Thesis)


  • An Overview of Mechanisms for a Global Climate Agreement  against Climate Change (Bachelor Thesis)


  • Potential von LNG in Europa (Bachelor Thesis)
  • Modelling of global natural gas market utilizing non-linear programing (Master Thesis)

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