Spatio-temporal simulation of energy consumption in China's provinces based on satellite night-time light data

Hongwei Xiao, Zhongyu Ma, Zhifu Mi, John Kelsey, Jiali Zheng, Weihua Yin and Min Yan

Applied Energy, 2018, vol. 231, issue C, 1070-1078

Abstract: Delay in publication of energy statistics prevents a timely assessment of progress towards meeting targets for energy saving and emission reduction in China. This makes it difficult to meet the requirements to rapidly monitor and evaluate energy consumption for each province. In this study, an alternative approach is provided to estimate the energy consumption by using satellite remote sensing data. We develop spatio-temporal geographically weighted regression models to simulate energy consumption of provinces in China based on the Defense Meteorological Satellite Program's Operational Linescan System (DMSP/OLS) global stable night-time light data. The models simulate China’s energy consumption accurately with the goodness of fit higher than 99%. Generally, the national average annual energy consumption is 2.8 billion tonnes of coal equivalent in China between 2000 and 2013, which is close to the actual value with errors smaller than 0.1%. From both temporal and spatial dimensions, the relative errors are smaller than 5.5% at the provincial level. Therefore, the use of satellite night-time light data provides a useful reference in monitoring and assessing provincial energy consumption in China.

Keywords: Night-time light data; Energy consumption; Spatio-temporal geographically weighted regression; China; Simulation (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (24)

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DOI: 10.1016/j.apenergy.2018.09.200

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