PrismNet: Viewing Time Series Through a Multi-Modal Prism for Interpretable Power Load Forecasting
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arXiv
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| Auteurs principaux: | , , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866910204585574400 |
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| author | Chen, Yuxuan Dai, Shuo Xu, Ruoyi Xie, Haipeng |
| author_facet | Chen, Yuxuan Dai, Shuo Xu, Ruoyi Xie, Haipeng |
| contents | Load forecasting plays a pivotal role in the safe and stable operation of power systems. Conventional deep learning methods often struggle to adapt to few-shot scenarios frequently encountered in industrial applications. Existing multi-modal approaches typically overlook domain-specific cross-modal semantic alignment and lack sufficient mechanism interpretability. To address these challenges, this study proposes PrismNet, an interpretable multi-modal framework for power load forecasting. First, a multi-modal augment module integrates text and image modalities to strengthen load time series representations, empowering the model with few-shot learning capabilities. Subsequently, we design a Partial Information Decomposition (PID) guided multi-modal contrastive learning (CL) mechanism to achieve domain-specific cross-modal semantic alignment. This process elucidates the intrinsic interactions among modalities and offers a new lens for interpretability. Extensive experiments on real-world public datasets demonstrate that PrismNet outperforms strong deep learning and multi-modal baselines, particularly in few-shot settings, while providing a trustworthy and interpretable solution for safety-critical electric load scenarios. Our code is available at https://anonymous.4open.science/r/PrismNet-9DFC. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_08668 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | PrismNet: Viewing Time Series Through a Multi-Modal Prism for Interpretable Power Load Forecasting Chen, Yuxuan Dai, Shuo Xu, Ruoyi Xie, Haipeng Signal Processing Load forecasting plays a pivotal role in the safe and stable operation of power systems. Conventional deep learning methods often struggle to adapt to few-shot scenarios frequently encountered in industrial applications. Existing multi-modal approaches typically overlook domain-specific cross-modal semantic alignment and lack sufficient mechanism interpretability. To address these challenges, this study proposes PrismNet, an interpretable multi-modal framework for power load forecasting. First, a multi-modal augment module integrates text and image modalities to strengthen load time series representations, empowering the model with few-shot learning capabilities. Subsequently, we design a Partial Information Decomposition (PID) guided multi-modal contrastive learning (CL) mechanism to achieve domain-specific cross-modal semantic alignment. This process elucidates the intrinsic interactions among modalities and offers a new lens for interpretability. Extensive experiments on real-world public datasets demonstrate that PrismNet outperforms strong deep learning and multi-modal baselines, particularly in few-shot settings, while providing a trustworthy and interpretable solution for safety-critical electric load scenarios. Our code is available at https://anonymous.4open.science/r/PrismNet-9DFC. |
| title | PrismNet: Viewing Time Series Through a Multi-Modal Prism for Interpretable Power Load Forecasting |
| topic | Signal Processing |
| url | https://arxiv.org/abs/2605.08668 |