Improving Wind and Solar Power Prediction with Efficient Wrapper-based Feature Selection: An Empirical Study

• URL: http://arxiv.org/abs/2607.14024v1
• Date: Wed, 15 Jul 2026 16:55:42 GMT
• Title: Improving Wind and Solar Power Prediction with Efficient Wrapper-based Feature Selection: An Empirical Study
• Abstract summary: We report findings from two structured literature reviews on real-world renewable energy prediction tasks.<n>Despite the large number of available monitoring and environmental variables, only limited or unsystematic methods for feature selection exist.<n>We propose Cluster-based Sequential Feature Selection (CSFS), a novel, model-agnostic, clustering-based wrapper method for automatic, efficient, and reliable feature selection.
• Score: 1.2220938855238672
• License: http://creativecommons.org/licenses/by-sa/4.0/
• Abstract: With rising global energy demand and growing awareness of climate change and its impacts, the share of renewable energies in the global energy mix continues to grow. Unlike conventional power generation, the output of renewable energy sources cannot be controlled as consistently due to their dependence on environmental conditions. Therefore, reliable prediction of current and future energy production is essential. In this paper, we report findings from two structured literature reviews on real-world renewable energy prediction tasks: wind turbine power curve modeling and photovoltaic power prediction. For the former, we conducted a comprehensive literature review ourselves, while for the latter, we synthesize the key findings regarding frequently selected input features based on an existing survey. Across both domains, our analysis reveals that despite the large number of available monitoring and environmental variables, only limited or unsystematic methods for feature selection exist. To address this gap, we propose Cluster-based Sequential Feature Selection (CSFS), a novel, model-agnostic, clustering-based wrapper method for automatic, efficient, and reliable feature selection in renewable energy prediction pipelines. To support reproducibility and reuse, we provide an open-source implementation of CSFS on GitHub. We empirically evaluate the proposed approach on both use cases and compare it with established feature selection techniques such as wrapper-based sequential feature selection (SFS), filter-based methods, and Random Forest's embedded feature importance. The results show that the wrapper-based methods overall provide better-performing selections of features. CSFS achieves a predictive performance comparable to SFS while reducing computational cost by an average of 21%.

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