4.6 Article

Predicting energy use in construction using Extreme Gradient Boosting

Journal

PEERJ COMPUTER SCIENCE
Volume 9, Issue -, Pages -

Publisher

PEERJ INC
DOI: 10.7717/peerj-cs.1500

Keywords

Artificial intelligence; Data mining and machine learning; Data science; Prediction; Gradient boosting; Energy; Time-series

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Annual increases in global energy consumption are inevitable due to a growing global economy and population. Among sectors, the construction industry consumes 20.1% of the world's total energy, making it crucial to explore methods for estimating energy usage. Various computational approaches exist, including statistics-based, engineering-based, and machine learning-based methods. Machine learning-based frameworks outperform the others. In our study, we propose using the Extreme Gradient Boosting algorithm to predict energy consumption, achieving better results with combined historical and date features.
Annual increases in global energy consumption are an unavoidable consequence of a growing global economy and population. Among different sectors, the construction industry consumes an average of 20.1% of the world's total energy. Therefore, exploring methods for estimating the amount of energy used is critical. There are several approaches that have been developed to address this issue. The proposed methods are expected to contribute to energy savings as well as reduce the risks of global warming. There are diverse types of computational approaches to predicting energy use. These existing approaches belong to the statistics-based, engineering-based, and machine learning-based categories. Machine learning-based frameworks showed better performance compared to these other approaches. In our study, we proposed using Extreme Gradient Boosting (XGB), a tree-based ensemble learning algorithm, to tackle the issue. We used a dataset containing energy consumption hourly recorded in an office building in Shanghai, China, from January 1, 2015, to December 31, 2016. The experimental results demonstrated that the XGB model developed using both historical and date features worked better than those developed using only one type of feature. The best-performing model achieved RMSE and MAPE values of 109.00 and 0.24, respectively.

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