Completed Review of Various Solar Power Forecasting Techniques Considering Different Viewpoints

Solar power has rapidly become an increasingly important energy source in many countries over recent years; however, the intermittent nature of photovoltaic (PV) power generation has a significant impact on existing power systems. To reduce this uncertainty and maintain system security, precise sola...

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Main Authors: Yuan-Kang Wu, Cheng-Liang Huang, Quoc-Thang Phan, Yuan-Yao Li
Format: Article
Language:English
Published: MDPI AG 2022-05-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/15/9/3320
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author Yuan-Kang Wu
Cheng-Liang Huang
Quoc-Thang Phan
Yuan-Yao Li
author_facet Yuan-Kang Wu
Cheng-Liang Huang
Quoc-Thang Phan
Yuan-Yao Li
author_sort Yuan-Kang Wu
collection DOAJ
description Solar power has rapidly become an increasingly important energy source in many countries over recent years; however, the intermittent nature of photovoltaic (PV) power generation has a significant impact on existing power systems. To reduce this uncertainty and maintain system security, precise solar power forecasting methods are required. This study summarizes and compares various PV power forecasting approaches, including time-series statistical methods, physical methods, ensemble methods, and machine and deep learning methods, the last of which there is a particular focus. In addition, various optimization algorithms for model parameters are summarized, the crucial factors that influence PV power forecasts are investigated, and input selection for PV power generation forecasting models are discussed. Probabilistic forecasting is expected to play a key role in the PV power forecasting required to meet the challenges faced by modern grid systems, and so this study provides a comparative analysis of existing deterministic and probabilistic forecasting models. Additionally, the importance of data processing techniques that enhance forecasting performance are highlighted. In comparison with the extant literature, this paper addresses more of the issues concerning the application of deep and machine learning to PV power forecasting. Based on the survey results, a complete and comprehensive solar power forecasting process must include data processing and feature extraction capabilities, a powerful deep learning structure for training, and a method to evaluate the uncertainty in its predictions.
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spelling doaj.art-1187171036db4c9cac8cffd795eca52f2023-11-23T08:09:38ZengMDPI AGEnergies1996-10732022-05-01159332010.3390/en15093320Completed Review of Various Solar Power Forecasting Techniques Considering Different ViewpointsYuan-Kang Wu0Cheng-Liang Huang1Quoc-Thang Phan2Yuan-Yao Li3Department of Electrical Engineering, National Chung Cheng University, Chia-Yi 62102, TaiwanDepartment of Electrical Engineering, National Chung Cheng University, Chia-Yi 62102, TaiwanDepartment of Electrical Engineering, National Chung Cheng University, Chia-Yi 62102, TaiwanDepartment of Chemical Engineering, National Chung Cheng University, Chia-Yi 62102, TaiwanSolar power has rapidly become an increasingly important energy source in many countries over recent years; however, the intermittent nature of photovoltaic (PV) power generation has a significant impact on existing power systems. To reduce this uncertainty and maintain system security, precise solar power forecasting methods are required. This study summarizes and compares various PV power forecasting approaches, including time-series statistical methods, physical methods, ensemble methods, and machine and deep learning methods, the last of which there is a particular focus. In addition, various optimization algorithms for model parameters are summarized, the crucial factors that influence PV power forecasts are investigated, and input selection for PV power generation forecasting models are discussed. Probabilistic forecasting is expected to play a key role in the PV power forecasting required to meet the challenges faced by modern grid systems, and so this study provides a comparative analysis of existing deterministic and probabilistic forecasting models. Additionally, the importance of data processing techniques that enhance forecasting performance are highlighted. In comparison with the extant literature, this paper addresses more of the issues concerning the application of deep and machine learning to PV power forecasting. Based on the survey results, a complete and comprehensive solar power forecasting process must include data processing and feature extraction capabilities, a powerful deep learning structure for training, and a method to evaluate the uncertainty in its predictions.https://www.mdpi.com/1996-1073/15/9/3320solar power generationforecastingensemble methodmachine learningdeep learningprobabilistic forecasting
spellingShingle Yuan-Kang Wu
Cheng-Liang Huang
Quoc-Thang Phan
Yuan-Yao Li
Completed Review of Various Solar Power Forecasting Techniques Considering Different Viewpoints
Energies
solar power generation
forecasting
ensemble method
machine learning
deep learning
probabilistic forecasting
title Completed Review of Various Solar Power Forecasting Techniques Considering Different Viewpoints
title_full Completed Review of Various Solar Power Forecasting Techniques Considering Different Viewpoints
title_fullStr Completed Review of Various Solar Power Forecasting Techniques Considering Different Viewpoints
title_full_unstemmed Completed Review of Various Solar Power Forecasting Techniques Considering Different Viewpoints
title_short Completed Review of Various Solar Power Forecasting Techniques Considering Different Viewpoints
title_sort completed review of various solar power forecasting techniques considering different viewpoints
topic solar power generation
forecasting
ensemble method
machine learning
deep learning
probabilistic forecasting
url https://www.mdpi.com/1996-1073/15/9/3320
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