20 Sep 2022
 | 20 Sep 2022
Status: a revised version of this preprint is currently under review for the journal WES.

A Neighborhood Search Integer Programming Approach for Wind Farm Layout Optimization

Juan-Andrés Pérez-Rúa, Mathias Stolpe, and Nicolaos Antonio Cutululis

Abstract. Two models and a heuristic algorithm to address the wind farm layout optimization problem are presented. The models are linear integer programming formulations where candidate locations of wind turbines are described by binary variables. One formulation considers an approximation of the power curve by means of a step-wise constant function. The other model is based on a power-curve-free model where minimization of a measure closely related to total wind speed deficit is aimed. A special-purpose neighborhood search heuristic wraps the formulations in order to increase tractability and effectiveness compared to the full model. The heuristic iteratively searches neighborhoods around the incumbent using a branch-and-cut algorithm. The number of candidate locations and neighborhood sizes are adjusted adaptively. Numerical results on a set of publicly available benchmark problems indicate that a proxy for total velocity deficit as objective is a functional approach, since high-quality solutions of an annual energy production metric are found. Furthermore, the proposed heuristic is able to match and in some cases improve the results obtained when considering the turbine positions as continuous variables.

Juan-Andrés Pérez-Rúa et al.

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on wes-2022-82', Anonymous Referee #1, 25 Jan 2023
    • AC1: 'Reply on RC1', Juan-Andrés Pérez-Rúa, 06 Mar 2023
  • RC2: 'Comment on wes-2022-82', Erik Quaeghebeur, 15 Mar 2023

Juan-Andrés Pérez-Rúa et al.

Juan-Andrés Pérez-Rúa et al.


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Short summary
With the challenges of ensuring secure energy supplies and meeting climate target, wind energy is on the course of becoming the cornerstone of the decarbonized energy systems. This work proposes a new method to optimize wind farms by means of smartly placing wind turbines within a given project area, leading to more green energy generated. This method performs better than state-of-the-art approaches in some case studies, in terms of resultant annual energy production and other high-level metrics.