Abstract
Short-term locational marginal price (LMP) forecasting is the traditional problem of market participants and other institutions maximizing their profit. Most electricity market organizers in the world release the data of LMP along with its three components, i.e., the energy, congestion, and loss components. The series of the three components have their own patterns and driving factors, and can be utilized to improve the accuracy of LMP forecasting. However, most existing studies have focused on direct LMP forecasting and have barely noticed this characteristic. In this chapter, we aim to bridge the gap between the released data of the three components and LMP forecasting through a componential and ensemble approach. Three individual forecasting models are selected and trained for these components, and an ensemble framework that stacks the summation LMP results and the direct results is proposed to enhance the overall accuracy and robustness. Numerical experiments with real market data are conducted to show the good performance of this novel approach.
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Notes
- 1.
The component data can be achieved from the ISO/RTO’s website. In some special cases when the ISO/RTO does not release the component data separately, a generator node with a high capacity could be chosen as the reference node, and its LMP is regarded as the MCE. The MCC is regarded as the difference in the LMP between the nodes because the MCL is usually small and can be neglected.
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Chen, Q., Guo, H., Zheng, K., Wang, Y. (2021). Day-Ahead Electricity Price Forecasting. In: Data Analytics in Power Markets. Springer, Singapore. https://doi.org/10.1007/978-981-16-4975-2_7
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DOI: https://doi.org/10.1007/978-981-16-4975-2_7
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