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Open AccessFeature PaperArticle

A Practical Formulation for Ex-Ante Scheduling of Energy and Reserve in Renewable-Dominated Power Systems: Case Study of the Iberian Peninsula

1
Department of Electrical Engineering, University of Castilla—La Mancha, 45071 Toledo, Spain
2
Department of Electrical Engineering, University of Castilla—La Mancha, 13400 Almadén, Spain
*
Author to whom correspondence should be addressed.
Energies 2018, 11(8), 1939; https://doi.org/10.3390/en11081939
Received: 29 June 2018 / Revised: 19 July 2018 / Accepted: 24 July 2018 / Published: 25 July 2018
(This article belongs to the Special Issue 10 Years Energies - Horizon 2028)
Scheduling energy and reserve in power systems with a large number of intermittent units is a challenging problem. Traditionally, the reserve requirements are assigned after clearing the day-ahead energy market using ad hoc rules or solving computationally intense mathematical programming problems to co-optimize energy and reserve. While the former approach often leads to costly oversized reserve provisions, the computational time required by the latter makes it generally incompatible with the daily power system operational practices. This paper proposes an alternative deterministic formulation for computing the energy and reserve scheduling, considering the uncertainty of the demand and the intermittent power production in such a way that the resulting problem requires a lower number of constraints and variables than stochastic programming-based formulations. The performance of the proposed formulation has been compared with respect to two standard stochastic programming formulations in a small-size power system. Finally, a realistic case study based on the Iberian Peninsula power system has been solved and discussed. View Full-Text
Keywords: energy and reserve scheduling; intermittent power uncertainty; probabilistic approach; risk aversion; unit-commitment energy and reserve scheduling; intermittent power uncertainty; probabilistic approach; risk aversion; unit-commitment
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MDPI and ACS Style

Carrión, M.; Zárate-Miñano, R.; Domínguez, R. A Practical Formulation for Ex-Ante Scheduling of Energy and Reserve in Renewable-Dominated Power Systems: Case Study of the Iberian Peninsula. Energies 2018, 11, 1939.

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