Available on ORBi since
17 August 2023
Unpublished conference/Abstract (Scientific congresses and symposiums)
Impacts of spatial and temporal resolutions on the near-optimal spaces of energy system optimisation models
Dubois, Antoine; Ernst, Damien
Peer reviewed


Full Text
Author preprint (262.35 kB)

All documents in ORBi are protected by a user license.

Send to


Keywords :
spatiotemporal resolution; near-optimal space; necessary condition; energy system optimisation model; European power grid
Abstract :
[en] Over the past years, the rising penetration of renewable energy in power systems has led to the need for more detailed energy system models. Specifically, spatial and temporal resolutions have become increasingly important, and multiple studies have investigated their impact on the optimal solutions to energy system optimisation problems. However, these studies have yet to be conducted for near-optimal solutions, which can provide valuable insights to decision-makers. This paper aims to initiate this research by examining the effects of spatial and temporal resolutions on the values of necessary conditions for near-optimality. In particular, we investigate how spatiotemporal resolution changes affect minimal capacity investments in the European electricity grid. Our analysis leads to three key observations. Firstly, we show that minimal capacities for near-optimality exhibit similar trends to optimal capacities when each resolution varies. Secondly, the resolutions that result in higher optimal capacities are also the ones where minimal capacities deviate the least from the optimal capacities. Thirdly, as a result of the second observation, spatial or temporal resolution changes have a greater impact on minimal capacities for near-optimality than on optimal capacities. We conclude by suggesting solutions to expand this research track and gain a deeper understanding of the impact of spatiotemporal resolution on near-optimal spaces.
Disciplines :
Computer science
Author, co-author :
Dubois, Antoine  ;  Université de Liège - ULiège > Montefiore Institute of Electrical Engineering and Computer Science
Ernst, Damien  ;  Université de Liège - ULiège > Département d'électricité, électronique et informatique (Institut Montefiore) > Smart grids
Language :
Title :
Impacts of spatial and temporal resolutions on the near-optimal spaces of energy system optimisation models
Publication date :
Number of pages :
Event name :
Event date :
du 23-10-23 au 26-10-23
Audience :
Peer reviewed :
Peer reviewed
Development Goals :
7. Affordable and clean energy
Funders :
F.R.S.-FNRS - Fund for Scientific Research [BE]


Number of views
25 (5 by ULiège)
Number of downloads
44 (2 by ULiège)


Similar publications

Contact ORBi