Spatio-Temporal Heterogeneity in the Environmental Value of Renewable Energy
再生可能エネルギーの環境価値における時空間的不均一性 (AI 翻訳)
Harrison Fell, D. Kaffine
🤖 gxceed AI 要約
日本語
本論文は、再生可能エネルギーの環境価値が発電所の特性や立地、政策、市場要因によって時空間的に不均一であることを示す。火力発電所の代替効果を分析し、補助金やグリーン水素政策の効率性に重要な示唆を与える。
English
This paper demonstrates that the environmental value of renewable energy is spatiotemporally heterogeneous, depending on the characteristics of displaced fossil-fuel plants, market forces, and policies. It provides implications for efficient subsidy design and green hydrogen policies.
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
日本の再生可能エネルギー導入政策（FIT/FIP）やグリーン水素戦略において、環境価値の不均一性を考慮した効率的な制度設計が求められる。本論文はその基礎的知見を提供する。
In the global GX context
Globally, this study highlights that the net environmental benefit of renewables varies by location and time, complicating uniform subsidy schemes. It informs the design of performance-based incentives and hydrogen certification standards.
👥 読者別の含意
🔬研究者:Provides a rigorous empirical framework for analyzing the heterogeneous environmental value of renewables, useful for future work on optimal siting and policy design.
🏛政策担当者:Offers evidence that renewable subsidies and green hydrogen policies should account for displaced marginal generation to maximize environmental benefits.
📄 Abstract（原文）
The expansion of renewable energy plays a critical role in decarbonizing the electricity grid, while also providing improvements in local air quality. Ultimately, the environmental value of renewable energy hinges on characteristics (fuel type, technology, location, etc.) of the marginal plant displaced by wind or solar generation. We document and explain the roles that market forces, policy interactions, and energy infrastructure play in determining the displaced marginal generator, and thus the heterogeneous environmental value of renewables. Finally, we discuss how this heterogeneity in environmental value significantly complicates efficient regulatory approaches, with application to renewable production subsidies and green hydrogen policies. JEL Classification: Q42, Alternative Energy Sources; Q51, Valuation of Environmental Effects; Q53, Air Pollution; Water Pollution; Noise; Hazardous Waste; Solid Waste; Recycling; Q48, Energy: Government Policy
🔗 Provenance — このレコードを発見したソース
- semanticscholar https://doi.org/10.1177/01956574261462659first seen 2026-07-13 06:59:05
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