Interpretable Load Forecasting via Representation Learning of Geo-distributed Meteorological Factors

• URL: http://arxiv.org/abs/2501.02241v1
• Date: Sat, 04 Jan 2025 09:05:06 GMT
• Title: Interpretable Load Forecasting via Representation Learning of Geo-distributed Meteorological Factors
• Authors: Yangze Zhou, Guoxin Lin, Gonghao Zhang, Yi Wang,
• Abstract summary: Meteorological factors (MF) are crucial in day-ahead load forecasting as they significantly influence the electricity consumption behaviors of consumers.<n>The difference in MF collected in various locations within a region may be significant, which poses a challenge in selecting the appropriate MF from numerous locations.<n>A representation learning framework is proposed to extract geo-distributed MF while considering their spatial relationships.
• Score: 4.998962281945562
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Meteorological factors (MF) are crucial in day-ahead load forecasting as they significantly influence the electricity consumption behaviors of consumers. Numerous studies have incorporated MF into the load forecasting model to achieve higher accuracy. Selecting MF from one representative location or the averaged MF as the inputs of the forecasting model is a common practice. However, the difference in MF collected in various locations within a region may be significant, which poses a challenge in selecting the appropriate MF from numerous locations. A representation learning framework is proposed to extract geo-distributed MF while considering their spatial relationships. In addition, this paper employs the Shapley value in the graph-based model to reveal connections between MF collected in different locations and loads. To reduce the computational complexity of calculating the Shapley value, an acceleration method is adopted based on Monte Carlo sampling and weighted linear regression. Experiments on two real-world datasets demonstrate that the proposed method improves the day-ahead forecasting accuracy, especially in extreme scenarios such as the "accumulation temperature effect" in summer and "sudden temperature change" in winter. We also find a significant correlation between the importance of MF in different locations and the corresponding area's GDP and mainstay industry.

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