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Harnessing Direct Geothermal Uses for a Just Energy Transition in Sonora (Northwestern México)

ソノラ（メキシコ北西部）における公正なエネルギー移行のための地熱直接利用の活用 (AI 翻訳)

Orlando Miguel Espinoza-Ojeda, Héctor Miguel Aviña-Jiménez, E. Pérez‐González, Rodrigo Alarcón-Flores, Jesús Arturo Muñiz-Jáuregui, Carlos Alberto García-Bustamante, Orlando Hernández-Cristóbal, Rafael Trueba-Regalado, Erna Martha López-Granados, Ana Teresa Mendoza‐Rosas, R. Villanueva

Energies📚 査読済 / ジャーナル2026-07-07#再生可能エネルギー対象セクター: power
DOI: 10.3390/en19133208
原典: https://doi.org/10.3390/en19133208

🤖 gxceed AI 要約

日本語

本研究はメキシコ・ソノラ州における低・中エンタルピー地熱資源の直接利用が、公正なエネルギー移行にどのように貢献できるかを分析。地熱適合性指数（GSI）、社会生産的エネルギー需要指数（SPEDI）、地域脆弱性指数（TVI）を組み合わせた枠組みで、地熱ポテンシャルと社会的ニーズが交差する自治体を特定。結果は農業加工、養殖、冷暖房など28の直接利用が優先的に導入可能な地域を示す。

English

This study examines how low- to medium-enthalpy geothermal resources in Sonora, Mexico, can be harnessed for a just energy transition. It integrates spatial analysis and socio-territorial indicators (GSI, SPEDI, TVI) to identify municipalities where high geothermal potential, energy needs, and social vulnerability intersect. Results highlight priority sites for direct uses like agri-food processing and heating/cooling, offering evidence-based policy guidance for decentralized renewable energy deployment.

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

日本は地熱資源が豊富だが、温泉文化や規制により開発が進んでいない。本研究の地域密着型の評価手法は、日本の地熱直接利用の可能性を再評価する際に参考になる。SSBJや地域脱炭素計画にも示唆を与える可能性がある。

In the global GX context

This paper contributes to the global just transition discourse by providing a replicable methodology for assessing geothermal direct-use potential in semi-arid regions. It aligns with decentralized renewable energy planning and energy justice goals, relevant for countries like Mexico and other Global South nations.

👥 読者別の含意

🔬研究者:The composite index methodology (GSI, SPEDI, TVI) offers a novel framework for integrating technical and social factors in renewable energy planning.

🏢実務担当者:Geothermal developers can use the catalog of 28 direct uses and the priority site mapping to identify viable projects in Sonora.

🏛政策担当者:The evidence-based policy guidance supports aligning renewable energy deployment with regional equity and resilience goals, relevant for just transition policy design.

📄 Abstract（原文）

This study poses the following research question: Where and how can low- to medium-enthalpy geothermal resources in Northern México be harnessed to promote a territorially anchored, socially inclusive energy transition? Hence, the potential contribution of geothermal direct uses to sustainable local development in Sonora—one of México’s largest and most economically diverse states—is examined in this article. In Sonora, a semi-arid region with dispersed populations and underutilized geothermal resources, the research integrates spatial analysis and socio-territorial indicators to identify areas where geothermal direct uses can deliver inclusive development benefits. Thermal data of 88 thermal springs and 36 wellbores were examined, in which in situ temperatures and geothermal gradients were found from 30 to 80 °C and 20–200 °C/km, respectively. This resulted in a catalog of 28 direct uses based on the energy needs and demands of the population near the sites. Then, a composite methodological framework was developed that combined the Geothermal Suitability Index (GSI), the Socio-Productive Energy Demand Index (SPEDI), and the Territorial Vulnerability Index (TVI). These indices and the catalog were overlaid to detect municipalities where high geothermal potential, energy needs, and social vulnerability intersect. Results show that sites such as Bacadehuachi, Cajeme, and Fronteras offer high-priority opportunities for agri-food processing, aquaculture, and heating/cooling applications. The findings contribute to broader debates on rural energy access, energy justice, and decentralized planning, providing evidence-based guidance for policy design that aligns renewable energy deployment with regional equity and resilience goals.

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