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Repurposing geological voids for compressed air energy storage and the need for regulatory review

地質学的空隙を圧縮空気エネルギー貯蔵に転用するための規制見直しの必要性 (AI 翻訳)

Xingjin Wang, Peter Cook, Yudong Yuan, Zhujun Wang

Australian Energy Producers journal.📚 査読済 / ジャーナル2026-05-13#エネルギー転換Origin: Global
DOI: 10.1071/ep25041
原典: https://doi.org/10.1071/ep25041
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🤖 gxceed AI 要約

日本語

本論文は、オーストラリアの2050年へのエネルギー移行において、地質学的空隙（枯渇したガス田や鉱山など）を圧縮空気エネルギー貯蔵（CAES）に転用する可能性を検討する。クイーンズランド州を例に、現行の石油・鉱業法がCAESへの転用を阻む立法上のギャップを特定し、土地アクセスやリハビリテーション負債の明確化に向けた政府の関与を求める。

English

This paper explores compressed air energy storage (CAES) in geological voids as a long-duration large-scale storage option for Australia's energy transition. Focusing on Queensland, it identifies legislative gaps in petroleum and minerals acts that hinder repurposing legacy resource sites into CAES assets. It advocates for regulatory reform and government engagement on land access and rehabilitation liabilities.

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

日本でも再生可能エネルギー統合に向けた長期貯蔵技術の検討が進む中、旧鉱山やガス田の転用は重要な選択肢である。本論文は、規制面での課題を具体的に示しており、日本のGX政策における貯蔵技術導入の参考となる。

In the global GX context

This paper highlights the often-overlooked regulatory barriers to repurposing geological voids for energy storage, a critical component for renewable integration globally. It provides a case study relevant to countries with depleted resource sites seeking to deploy long-duration storage technologies.

👥 読者別の含意

🔬研究者:Provides a case study on CAES feasibility and regulatory gaps, useful for energy storage and renewable integration researchers.

🏢実務担当者:Corporate teams involved in energy storage projects can learn from the regulatory challenges in repurposing geological voids.

🏛政策担当者:Highlights the need for legislative review to enable repurposing of legacy resource sites for energy storage, relevant for energy transition planning.

📄 Abstract（原文）

Australia’s energy transition to the year 2050 will be based on decreased dependency on coal-fired generation, a bigger role for gas and a range of renewable technologies backed up by energy storage, especially long-duration large-scale energy storage. However, as demonstrated by clean energy deployment in Australia in recent years, regulatory uncertainty and complexity, along with integration challenges and community resistance, have slowed the pace of the energy transition. This paper considers compressed air energy storage (CAES) as an option to support grid stability and renewable energy integration for Australia. Abundant geological resources in Australia, including gas fields and mineral sites, could be converted to CAES plants, as is happening in other parts of the world. Both technical and decommissioning challenges need to be addressed to achieve that. However, a greater barrier may be that the current regulations in Australia do not always permit such repurposing. Taking Queensland as an example, the current petroleum and mineral acts are reviewed to identify the possible legislative gaps that inhibit transforming legacy resource sites into strategic CAES assets. Additionally, government engagement is needed on issues such as long-term land access for CAES operations and clarification of rehabilitation liabilities between miners and CAES operators.

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