Regional impacts on decarbonisation under evolving financing conditions for energy technologies
脱炭素化に向けた地域別影響：エネルギー技術の資金調達条件の進化に伴う (AI 翻訳)
Natasha Frilingou, Dirk-Jan Van de Ven, Jon Sampedro, Russell Horowitz, Clàudia Rodés-Bachs, Thomas Nikolakakis, Anastasios Karamaneas, Kimon Georgiou, Konstantinos Koasidis, Shivika Mittal, Charalampos Platias, Conall Heussaff, Christoph Bertram, Alexandros Nikas
🤖 gxceed AI 要約
日本語
本論文は、低炭素技術への投資における地域ごとの資金調達コストの違いが脱炭素経路に与える影響を分析。クリーンエネルギーのリスク低減と化石燃料のリスク増大という長期的な傾向を考慮し、是正的正義政策（企業の暴利課税を低炭素投資に再配分）の効果も評価。結果は、資金調達コストの差別化が排出削減を改善し、高所得国のバイオエネルギー由来のネガティブエミッション技術のリスクを過小評価する可能性を示唆。
English
This paper examines how region- and technology-specific cost of capital trajectories affect decarbonisation pathways. It models de-risking of clean energy and increasing risks for fossil fuels, and evaluates a corrective justice policy taxing windfall profits to fund low-carbon investments in high-risk regions. Results show differentiated cost of capital can improve mitigation outcomes and narrow the emissions gap, while warning of overreliance on bioenergy with carbon capture in high-income countries.
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政策では、移行金融や国際的な資金調達格差が重要なテーマ。本論文は、地域別の資本コスト差が脱炭素経路に与える影響を定量化しており、日本の投資家・政策担当者がグローバルな資金配分やリスク評価を考える上で示唆に富む。
In the global GX context
This work directly informs global debates on transition finance, ISSB disclosure of cost of capital risks, and the equity dimension of climate finance. It provides empirical grounding for policies that adjust capital costs to accelerate clean energy deployment in developing countries, complementing TCFD/CSRD frameworks.
👥 読者別の含意
🔬研究者:Modelers of energy systems and integrated assessment should incorporate differentiated cost-of-capital dynamics to avoid biased mitigation pathways.
🏢実務担当者:Corporate sustainability teams can use this to assess how financing conditions for clean energy projects vary by region and affect risk-return profiles.
🏛政策担当者:Regulators designing carbon pricing or transition finance instruments should consider corrective justice taxes on fossil fuel profits to fund low-carbon investments in higher-risk regions.
📄 Abstract（原文）
Abstract Energy-sector decarbonisation requires large-scale investment in low-carbon technologies, yet only a limited share flows to low- and middle-income countries, partly due to higher financing costs and perceived risks. Most modelling exercises do not fully account for how the cost of capital may vary across regions and technologies, potentially influencing policy insights. We examine how plausible, expert-informed long-term trends in de-risking clean energy and increasing risks for fossil fuels could shape decarbonisation pathways, using an empirical dataset differentiated by country and technology. We also evaluate a “corrective justice” policy that taxes corporate windfall profits and redistributes revenues to support low-carbon investments in higher-risk regions. Results suggest that incorporating differentiated cost-of-capital trajectories may improve mitigation outcomes and help narrow the gap between current commitments and long-term climate targets, while indicating potential underestimation of risks associated with bioenergy-based negative emissions technologies in mitigation scenarios for high-income nations.
🔗 Provenance — このレコードを発見したソース
- crossref https://doi.org/10.1038/s41467-026-73522-1first seen 2026-05-20 05:48:53
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