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publications
Models and Algorithms for Pricing Electricity in Unit Commitment
Published in UCLouvain (master thesis), 2016
This is my master thesis under the supervision of Anthony Papavasiliou and Gauthier De Maere, with Yurii Nesterov and Yves Smeers as jury members. The thesis recieved the ICTEAM Master Thesis Award.
Recommended citation: Stevens, N. (2016). Models and Algorithms for Pricing Electricity in Unit Commitment (Master thesis, UCLouvain).
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MIQP-based algorithm for the global solution of economic dispatch problems with valve-point effects
Published in Power Systems Computation Conference (PSCC), 2018
Joint work with Pierre-Antoine Absil and Benoit Sluysmans
Recommended citation: Absil, P. A., Sluysmans, B., and Stevens, N. (2018). MIQP-based algorithm for the global solution of economic dispatch problems with valve-point effects. Power Systems Computation Conference (PSCC), pp. 1-7, IEEE.
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Dynamic dimensioning approach for operating reserves: Proof of concept in Belgium
Published in Energy Policy, 2019
Joint work with Kristof De Vos, Olivier Devolder, Anthony Papavasiliou, Bob Hebb and James Matthys-Donnadieu
Recommended citation: De Vos, K., Stevens, N., Devolder, O., Papavasiliou, A., Hebb, B., and Matthys-Donnadieu, J. (2019). Dynamic dimensioning approach for operating reserves: Proof of concept in Belgium. Energy Policy, 124, 272-285.
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Hierarchical Balancing in Zonal Markets
Published in 17th International Conference on the European Energy Market (EEM), 2020
Joint work with Anthony Papavasiliou, Mette Bjørndal and Gerard Doorman
Recommended citation: Papavasiliou, A., Bjørndal, M., Doorman, G., & Stevens, N. (2020). Hierarchical Balancing in Zonal Markets. 17th International Conference on the European Energy Market (EEM), pp. 1-6, IEEE.
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Application of the Level Method for Computing Locational Convex Hull Prices
Published in IEEE Transactions on Power Systems, 2022
Joint work with Anthony Papavasiliou.
Recommended citation: Stevens, N., and Papavasiliou, A. (2022). Application of the Level Method for Computing Locational Convex Hull Prices. IEEE Transactions on Power Systems, 37(5), 3958-3968.
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Hierarchical coordination of transmission and distribution system operations in European balancing markets
Published in IEEE Transactions on Power Systems , 2023
Joint work with Ilyes Mezghani, Anthony Papavasiliou and Dimitris Chatzigiannis.
Recommended citation: Mezghani, I., Stevens, N., Papavasiliou, A., and Chatzigiannis, D. I. (2023). Hierarchical coordination of transmission and distribution system operations in European balancing markets. IEEE Transactions on Power Systems 38 (5), 3990-4002.
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Indivisibilities in investment and the role of a capacity market
Published in Journal of Regulatory Economics, 2024
Joint work with Yves Smeers and Anthony Papavasiliou.
Recommended citation: Stevens, N., Smeers, Y., and Papavasiliou, A. (2024). Indivisibilities in investment and the role of a capacity market. Journal of Regulatory Economics, 66, pp. 238–272.
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On some advantages of convex hull pricing for the European electricity auction
Published in Energy Economics, 2024
Joint work with Anthony Papavasiliou and Yves Smeers.
Recommended citation: Stevens, N., Papavasiliou, A., and Smeers, Y. (2024). On some advantages of convex hull pricing for the European electricity auction. Energy Economics, 134, 107542.
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Price Formation with Non-Convexities: Theory and Applications for the Electricity Market
Published in UCLouvain (doctoral dissertation), 2024
This is my doctoral dissertation.
Recommended citation: Stevens, N. (2024). Price Formation with Non-Convexities: Theory and Applications for the Electricity Market (Doctoral dissertation, UCLouvain).
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The Morality of Markets. A Critique
Published in Mathematical Social Sciences, 2025
Joint work with Gregory Ponthiere.
Recommended citation: Ponthiere, G., and Stevens, N. (2025). The Morality of Markets. A Critique. Mathematical Social Sciences, 134: 14-19
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Can capacity markets account for asset performances?
Published in Working Paper, 2025
More soon…
Recommended citation:
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Average incremental cost pricing in electricity auctions
Published in Working Paper, 2025
Joint work with Richard ONeill and Anthony Papavasiliou.
Recommended citation: Stevens, N., ONeill, R., and Papavasiliou, A. Average incremental cost pricing in electricity auctions. Working paper.
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talks
EURO 2021: Application of the Level Method for Computing Locational Convex Hull Prices
Published:
The slides can be downloaded here.
EURO 2022: Application of the Level Method for Computing Locational Convex Hull Prices
Published:
The slides can be downloaded here.
INFORMS 2023: Indivisibilities in Investment and the Role of a Capacity Market
Published:
The slides can be downloaded here.
Harvard Energy Policy Seminar: Pricing Rules for Electricity Auctions with Non-Convexities
Published:
You can find the recording of this seminar here. The slides can be downloaded here.
MIT EIMC2 Seminar: On some advantages of convex hull pricing for the European electricity auction
Published:
You can find the recording of this seminar here. The slides can be downloaded here.
IAEE 2025: Average incremental cost pricing in electricity auctions
Published:
The slides can be downloaded here.
teaching
Project in applied mathematics: TA (2020-2021)
Course, UCLouvain, EPL (LFSAB1507), undergraduate course, 2020
with Prof. Anthony Papavasiliou.
Economics (for engineers): TA (2021-2022)
Course, UCLouvain, EPL (LEPL1803), undergraduate course, 2021
with Prof. Julien Hendrickx
Combinatorial optimization: TA (2021-2023)
Course, UCLouvain, EPL (LINMA2450), graduate course, 2023
with Prof. Julien Hendrickx and Prof. Geovani Nunes Grapiglia.
Quantitative Energy Economics: Lecturer and TA (2022-2024)
Course, UCLouvain, EPL (LINMA2415), graduate course, 2024
with Gauthier de Maere (PhD, invited Prof.).
CEER Training Academy Program: Lecturer (2025)
Workshop, Council of European Energy Regulators, 2025
The Council of European Energy Regulators (CEER) offers trainings to the industry regulation professionals and academics in the field of energy economics. I was invited to give a 1h lecture on the “Challenges of the future electricity market design. My slides for this course can be downloaded here.
Energy Markets and Demand: Lecturer (2024-2025)
Course, UCLouvain, LSM (LLSMS2052), graduate course, 2025
with Prof. Bert Willems.