1. European gas infrastructure expansion planning: an adaptive robust optimization approach, Riepin, I., Schmidt, M.,  Baringo, L., Müsgens, F., Working paper at Optimization Online (2021) In review | Code
2. Risk aversion in flexible electricity markets, Möbius, T., Riepin, I., Müsgens, F., van der Weijde, A. H., in review, Working Paper | GitHub
3. Policy choices and outcomes for the global competitive procurement of offshore wind, Jansen, M., Beiter, P., Riepin, I., Müsgens, F. Juarez Guajardo-Fajardo, V., Staffell, I., Bulder, B., Kitzing, L., In review
4. The Energy Journal (2022). Seasonal flexibility in the European natural gas market. [preprint], Riepin, I., Müsgens, F., DOI: 10.5547/01956574.43.1.irie | GitHub, Cambridge Working Papers in Economics (2019), DOI: 10.17863/CAM.43923 | Abstract | Non-Technical Summary | PDF
5. Applied Energy (2021). Combining uncertainty with electricity and gas sector coupling – worth the effort? Riepin, I., Möbius, T., Müsgens, F., DOI: 10.1016/j.apenergy.2020.116363 | GitHub, Working paper at arXiv (2020), DOI: arxiv.org/abs/2008.07221
6. Nature Energy (2020). Offshore wind competitiveness in mature markets without subsidy. Jansen, M., Staffell, I., Kitzing, L., Quoilin, S., Wiggelinkhuizen, E., Bulder, B., Riepin, I., Müsgens, F., DOI: 10.1038/s41560-020-0661-2 | Code | Supplementary data | Nature Energy News & Views | Media coverage: 118 news stories from 116 outlets

1. Regret analysis of investment decisions under uncertainty in an integrated energy system., Möbius, T., Riepin, I., IEEE conference proceedings EEM (2020), DOI: 10.1109/EEM49802.2020.9221935 | Preprint.
2. Integrated electricity and gas market modeling – effects of gas demand uncertainty. Riepin, I., Möbius, T., Müsgens, F., IEEE conference proceedings EEM (2018), DOI: 10.1109/EEM.2018.8469790 | preprint version | Video
3. Is offshore already competitive? Analyzing German offshore wind auctions., Müsgens, F., Riepin, I., IEEE conference proceedings EEM (2018), DOI: 10.1109/EEM.2018.8469851 | preprint version | Video
4. Modelling of world LNG market development: focus on US investments and supplies., Montenegro, R., Riepin, I., Hauser, P., IEEE conference proceedings EEM (2016) | DOI: 10.1109/EEM.2016.7521361

1. The era of ‘negative-subsidy’ offshore wind power has almost arrived., Riepin, I., Jansen, M., Staffell, I., Müsgens, F., Guest post at CarbonBrief (2020) | Link
2. Offshore-Windenergie - subventionsfrei?, Müsgens, F. and Riepin, I., Guest post at e|m|w.trends (2020) | Link
3. A note on climate policy negotiations at the threshold of COP-21 in Paris. , Müsgens, F., Poudineh, R., Riepin, I., Note of Oxford Institute for Energy Studies and BTU CS (2015), PDF
4. Usage of solar energy for heating service and domestic water heating., Riepin, I., VII all-Ukrainian scientific conference proceedings. ZSEA. Vol. 2, pp. 78 - 83. (2011)
5. Ukrainian market prospects in the field of alternative energy sources., Riepin, I., The graduate students conference proceedings. ZSEA.  pp. 186 - 192. (2011)

European Natural Gas Infrastructure Expansion Planning: An Adaptive Robust Optimization Approach

PDF @ EWI Cologne & BTU CS Research seminars 2021

PDF @ European Conference on Operational Research, Athens, Greece, 2021

The costs of ignoring uncertainty and 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 @ 30^th 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 @ 39^th IAEE International Conference, Bergen, Norway, 2016
• PDF @ PhD seminar Cottbus-Leipzig-Dresden, 2016

Prospects for Shale Gas Exploration in Europe: Ongoing Experience.

• PDF@38^th 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. TransHyDE: System analysis of transport solutions for green hydrogen
   Funding: BMBF (Federal Ministry of Education and Research). Link

2. Auktionsdesign für Marktprämien für die Onshore-Windgeneration: theoretische und experimentelle Tests

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

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

Teaching

Power System Economics I

Power System Economics II

Energy Systems Modelling  (Course GitHub page) (BTU teaching award nomination-decision in review)

Bachelor-/Master Theses supervised

2020

An effect of rolling-horizon on price estimators in optimization models of electricity market. (Master thesis)

2019

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

2018

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

2016

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