A robust deep learning approach for photovoltaic power forecasting based on feature selection and variational mode decomposition
Keywords:
PV power, Renewable energy, Feature selection, Artificial Neural Networks, ForecastingAbstract
Accurate forecasting of photovoltaic (PV) power is essential for effective grid integration and energy management, particularly in solar-rich regions such as Algeria. This study presents a robust forecasting framework that combines advanced feature selection techniques with deep learning architectures---namely MLP, GRU, LSTM, BiLSTM, and CNN---to enhance daily PV power prediction accuracy. Three feature selection methods---ReliefF, Minimum Correlation, and Minimum Redundancy Maximum Relevance (MRMR)---are employed to identify the most relevant input variables from a dataset collected in the Ghardaia region. Among the selected predictors, Global Solar Radiation (GSR) consistently proves to be the most influential. To further enhance model inputs, Variational Mode Decomposition (VMD) is applied to extract informative Intrinsic Mode Functions (IMFs) from the selected features. A comparative evaluation of the models indicates that recurrent neural networks, particularly GRU and LSTM, deliver superior performance across various metrics, including RMSE, MAE, nRMSE, nMAE, R², and the correlation coefficient. The GRU model achieves the best results, with an RMSE of 3.246 and an R² of 0.9550 using five IMFs. These findings highlight the effectiveness of integrating optimal feature selection, signal decomposition, and deep learning for reliable PV power forecasting. The proposed hybrid approach provides a practical and scalable solution for enhancing energy planning and operational efficiency in high-solar-potential regions.
Published
How to Cite
Issue
Section
Copyright (c) 2025 Mokhtar Ali, Abdelkerim Souahlia, Abdelhalim Rabehi, Mawloud Guermoui, Ali Teta, Imad Eddine Tibermacine, Abdelaziz Rabehi, Mohamed Benghanem

This work is licensed under a Creative Commons Attribution 4.0 International License.
How to Cite
Similar Articles
- Benitho Ngwu, Godwin C. E. Mbah, Chika O. Mmaduakor, Sunday Isienyi, Oghenekevwe R. Ajewole, Felix D. Ajibade, Characterisation of Singular Domains in Threshold-Dependent Biological Networks , Journal of the Nigerian Society of Physical Sciences: Volume 4, Issue 3, August 2022
- Christian N. Nwaeme, Adewale F. Lukman, Robust hybrid algorithms for regularization and variable selection in QSAR studies , Journal of the Nigerian Society of Physical Sciences: Volume 5, Issue 4, November 2023
- Timothy Kayode Samson, Francis Olatunbosun Aweda, Wind speed prediction in some major cities in Africa using Linear Regression and Random Forest algorithms , Journal of the Nigerian Society of Physical Sciences: Volume 6, Issue 4, November 2024
- M. A. Okono, E. P. Agbo, B. J. Ekah, U. J. Ekah, E. B. Ettah, C. O. Edet, Statistical Analysis and Distribution of Global Solar Radiation and Temperature Over Southern Nigeria , Journal of the Nigerian Society of Physical Sciences: Volume 4, Issue 3, August 2022
- S. A. Agunbiade, J. U. Abubakar, T. L. Oyekunle, M. T. Akolade, Stagnation point flow of viscous nanofluid towards a shrinking sheet with quadratic buoyancy and thermophoresis influence: convection through porous media , Journal of the Nigerian Society of Physical Sciences: Volume 6, Issue 3, August 2024
- W. A. Yahya, A. A. Yahaya, A. A. Adewale, A. A. Sholagberu, N. K. Olasunkanmi, A DFT study of optoelectronic, elastic and thermo-electric properties of the double perovskites Rb2SeX6 (X=Br,Cl) , Journal of the Nigerian Society of Physical Sciences: Volume 5, Issue 2, May 2023
- F. U. Salifu, O. A. Oladipo, E. O. Ebock, B. Nava, Deep neural network model for vertical total electron content prediction at a single low latitude station , Journal of the Nigerian Society of Physical Sciences: Volume 7, Issue 4, November 2025
- Olayiwola Babarinsa, Graph Theory: A Lost Component For Development in Nigeria , Journal of the Nigerian Society of Physical Sciences: Volume 4, Issue 3, August 2022
- M. A. Salawu, J. A. Gbolahan, A. B. Alabi, Assessment of Radiation Shielding Properties of Polymer-Lead (II) Oxide Composites , Journal of the Nigerian Society of Physical Sciences: Volume 3, Issue 4, November 2021
- Arezu Jahanshir, Jalil Naji, Relativistic correction on bottomia within the gaussian basis function method , Journal of the Nigerian Society of Physical Sciences: Volume 7, Issue 4, November 2025
You may also start an advanced similarity search for this article.

