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国境を越えた電力価格予測のための深層学習:比較研究

Deep Learning for Cross-Border Electricity Price Forecasting: A Comparative Study (原題)

Hadeer El Ashhab, Sai Srijan Papineni, M. Dorn, V. Hagenmeyer, Benjamin Schäfer

IEEE Access📚 査読済 / ジャーナル2026-08-17#エネルギー転換Origin: EU経営インパクト: コスト削減対象セクター: power
DOI: 10.1109/access.2026.3727000
原典: https://doi.org/10.1109/access.2026.3727000
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🤖 gxceed AI 要約

日本語

本研究は、複数の電力市場における電力価格予測(EPF)に対して6つの深層学習モデル(状態空間、MLP、RNN、Transformer系)を比較評価した。再現可能なベンチマーク枠組みを構築し、ゼロショット・ワンショット・少数ショット学習で低データ条件を模擬。DE-LU入札ゾーン2024年データで、N-HiTSとNBEATSxが限られたデータで競争力を持ち、Transformer系は同等精度に達するが適応とチューニングを要することが示唆された。

English

This study comparatively evaluates six deep learning models (state-space, MLP, RNN, Transformer-based) for electricity price forecasting across multiple market settings, establishing a reproducible benchmark framework. Using zero-shot, one-shot, and few-shot learning to simulate low-data target markets, it tests on the Germany-Luxembourg bidding zone in 2024. N-HiTS and NBEATSx perform competitively in limited-data scenarios, while transformer-based models reach comparable accuracy but require more adaptation and tuning.

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

📝 gxceed 編集解説 — Why this matters

日本のGX文脈において

再生可能エネルギー導入拡大に伴う電力価格のボラティリティ上昇は、日本でも再エネ大量導入後の市場設計・需給調整の課題として顕在化しつつある。本論文のベンチマーク手法は、日本卸電力取引所(JEPX)等の価格予測精度向上や、発電事業者の収益予測・小売電気事業者の調達リスク管理に示唆を与える。ただしESG開示やGX政策との直接的な接続は弱い。

In the global GX context

As renewable integration increases price volatility, accurate electricity price forecasting becomes critical for grid stability and energy trading globally. This paper's reproducible benchmark framework contributes to methodological standardization in EPF research, relevant to market participants and regulators navigating decarbonized power systems. However, it does not directly address climate disclosure frameworks like TCFD or ISSB.

👥 読者別の含意

🔬研究者:電力価格予測における深層学習モデルの比較評価と再現可能なベンチマーク設計に関心のある研究者に有用。

🏢実務担当者:電力トレーディングや調達リスク管理に携わる実務者にとって、限られたデータでの予測モデル選定の参考になる。

🏛政策担当者:再エネ大量導入下での電力市場安定化や価格予測精度向上に関心のある政策担当者に示唆を与える。

📄 Abstract(原文)

While publicly available electricity market data presents a valuable resource for forecasting research, the field lacks established benchmark datasets for standardized comparison. As a result, many studies have relied on different datasets and metrics to evaluate methods in isolated settings, making it difficult to assess progress and compare state-of-the-art approaches consistently. In this work, we use public data to evaluate deep learning models for electricity price forecasting (EPF) across multiple market settings. Our goal is to establish a reproducible framework that enables a consistent evaluation of forecasting models. Developing standardized benchmarks for EPF is particularly important given the growing complexity of electricity markets, driven by the increasing integration of renewable energy sources. Their volatility increases the supply uncertainty and creates additional forecasting challenges. Under these conditions, accurate EPF methods support operational efficiency, energy trading, and grid stability. Although deep learning has been explored for day-ahead EPF, many prior studies are limited to single-market settings, narrow feature sets, or fixed training regimes. This work presents a comparative evaluation of six deep learning models–covering state-space, MLP, RNN, and Transformer-based architectures–emphasizing generalization across markets. We simulate low-data target-market conditions using zero-shot, one-shot, and few-shot learning. Our test set focuses on the Germany–Luxembourg (DE-LU) bidding zone in 2024 using a standardized dataset with calendar, historical price, and market-derived features. Our findings suggest that N-HiTS and NBEATSx perform competitively in limited-data scenarios, while transformer-based models can reach comparable accuracy but tend to require more adaptation and tuning. Model performance also benefits from careful feature selection and hyperparameter tuning, and we note that the differences between the strongest models are often small.

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