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Low-carbon optimization of hydrogen-integrated energy systems with coordinated P2G–CCS and integrated demand response

P2G-CCSと統合型デマンドレスポンスを連携した水素統合エネルギーシステムの低炭素最適化 (AI 翻訳)

Rui Dong, Xuefei Liu, Hongjie Li, Yuanyuan Song, Runzhi Zhang

Frontiers in Energy Research📚 査読済 / ジャーナル2026-05-29#エネルギー転換Origin: CN経営インパクト: コスト削減対象セクター: energy
DOI: 10.3389/fenrg.2026.1814200
原典: https://doi.org/10.3389/fenrg.2026.1814200
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🤖 gxceed AI 要約

日本語

本論文は、水素統合エネルギーシステム（hydrogen-IES）において、P2G（電力転ガス）とCCS（炭素回収貯留）を統合し、段階的デマンドレスポンスを組み合わせた低炭素最適化フレームワークを提案する。グリーン水素の導入と炭素リサイクルにより、再生可能エネルギーの利用を高めつつ、炭素排出を50%以上、システムコストを約24%削減できることを実証した。沿岸工業団地のケーススタディを通じて、経済性と環境性の両立可能性を示している。

English

This paper proposes a low-carbon optimization framework for hydrogen-integrated energy systems (hydrogen-IES) by coordinating power-to-gas (P2G) and carbon capture and storage (CCS) with integrated demand response. A multi-hydrogen supply strategy with green hydrogen and carbon recycling reduces carbon emissions by over 50% and total system cost by about 24%, while improving renewable energy accommodation. A coastal industrial park case study validates the approach.

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

日本のGX文脈では、水素社会実現に向けた戦略や、産業部門の脱炭素化が重要課題であり、本論文のP2G-CCS連携と需要応答の統合は、日本の工業団地やエネルギーシステムの低炭素化に示唆を与える。特に、再生可能エネルギーの導入拡大と水素利用の促進に寄与する可能性があり、政策立案や企業のエネルギー戦略に参考となる。

In the global GX context

Globally, this paper contributes to the growing literature on hydrogen-based energy systems and carbon capture, aligning with the Paris Agreement goals and the push for deep decarbonization. The coordinated P2G-CCS and demand response approach offers a replicable model for industrial parks and integrated energy systems, relevant to ISSB and TCFD-aligned climate transition planning. It provides quantitative evidence for cost-effective emission reductions, supporting transition finance decisions.

👥 読者別の含意

🔬研究者:Provides a validated optimization framework for hydrogen-IES with P2G-CCS and demand response, offering insights for further research on multi-energy systems and carbon mitigation.

🏢実務担当者:Offers a practical approach for industrial parks to reduce carbon emissions and costs by integrating hydrogen, CCS, and demand response, useful for corporate sustainability strategies.

🏛政策担当者:Demonstrates the potential of coordinated P2G-CCS and demand response for achieving significant emission reductions, informing energy and climate policy design.

📄 Abstract（原文）

The escalating severity of global carbon emissions has intensified the demand for low-carbon operation of integrated energy systems (IES). Hydrogen-integrated energy systems (hydrogen-IES), enabled by multi-energy coupling and cross-sector flexibility, represent a promising pathway for deep decarbonization in industrial energy systems. This paper proposes a low-carbon optimization framework for hydrogen-IES by coordinating power-to-gas (P2G) and carbon capture and storage (CCS) technologies with integrated demand response (IDR). To enhance renewable energy utilization and reduce carbon intensity, a multi-hydrogen supply strategy is developed in which green hydrogen partially replaces conventional gray hydrogen, while carbon recycling is achieved through coordinated P2G–CCS operation. Meanwhile, a staged integrated demand response mechanism is introduced to jointly coordinate electricity, heating, and cooling loads by combining price-based demand response with incentive-based programs, thereby improving system flexibility under high renewable penetration. A coastal industrial park is employed as a case study to evaluate the economic and environmental performance of the proposed framework. The model is calibrated using representative industrial-park load profiles, equipment parameters, and market coefficients, and is validated through energy-balance checks, component-limit checks, scenario consistency analysis, and parameter sensitivity analysis. Simulation results demonstrate that, under a realistic multi-hydrogen-supply configuration with coordinated P2G–CCS operation and integrated demand response, the proposed approach reduces carbon emissions by more than 50% and total system cost by approximately 24%, while significantly improving renewable energy accommodation. These findings highlight that the synergistic coordination of P2G–CCS and staged demand response enables a structurally efficient pathway to jointly optimize carbon mitigation, economic performance, and renewable energy integration in hydrogen-IES.

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