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Optimizing biomass and electricity allocation through comparative advantage: extending the merit-order logic from cost to efficiency

バイオマスと電力の配分最適化:比較優位を活用し、費用から効率へメリットオーダーの論理を拡張 (AI 翻訳)

Jean-Baptiste Jarin, Michael Hamwi, Iban Lizarralde

Energy Policy📚 査読済 / ジャーナル2026-07-04#エネルギー転換Origin: EU対象セクター: energy
DOI: 10.1016/j.enpol.2026.115477
原典: https://doi.org/10.1016/j.enpol.2026.115477

🤖 gxceed AI 要約

日本語

本研究は比較優位の原則に基づき、リグノセルロース系バイオマスと低炭素電力を暖房とモビリティ用途に最適配分する枠組みを提案。ヒートポンプによる暖房ではバイオマス燃焼の約3.6倍、航空ではe-fuelがバイオ燃料の約1.1倍の効率を示すなど、電力の比較優位は暖房で航空の3倍以上高い。技術中立的政策よりも、資源の効率的配分を促すメリットオーダー型ガバナンスの重要性を主張する。

English

This study develops a framework based on comparative advantage to optimize allocation of lignocellulosic biomass and low-carbon electricity between heating and mobility. It finds that electricity's comparative advantage is over three times greater for heating than for aviation, suggesting electricity should be directed to heating and biomass reserved for hard-to-electrify sectors. The framework challenges technology-neutral policies and proposes merit-order governance for coordinated cross-sectoral allocation, maximizing useful energy and advancing energy justice.

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

日本ではバイオマス発電の導入拡大と電力需給調整が課題だが、本論文の比較優位アプローチは、限られたバイオマスや電力を暖房・モビリティ間で最適配分する政策設計に示唆を与える。特に地域熱供給や運輸部門の電化戦略と親和性が高い。

In the global GX context

This paper offers a novel allocation framework that goes beyond technology-neutral policies, which is highly relevant for global climate strategy under TCFD/ISSB where efficient resource use is critical. The merit-order governance concept could inform integrated cross-sectoral planning in the EU, US, and other regions pursuing deep decarbonization.

👥 読者別の含意

🔬研究者:Provides a quantitative framework for comparing allocation efficiency across sectors, which can be applied to other renewable resources and end uses.

🏢実務担当者:Offers a strategic perspective for energy planners and utilities on how to prioritize biomass vs. electricity for heating and mobility investments.

🏛政策担当者:Argues against technology-neutral policies and suggests coordinated merit-order governance to avoid inefficient resource allocation in the energy transition.

📄 Abstract(原文)

The energy transition would require not only deploying renewable technologies at scale but strategically allocating limited renewable resources across competing end uses. This study develops a holistic allocation framework based on comparative advantage principles to optimize lignocellulosic biomass and low-carbon electricity distribution between heating and mobility applications. Through comprehensive well-to-wheel efficiency analysis, we quantify performance differentials: electricity via heat pumps would achieve roughly 3.6 times the efficiency of biomass combustion for heating, while for aviation mobility, electricity-based e-fuels would reach only a marginally higher efficiency than biofuels (about 1.1 times). The critical insight emerges from comparing these ratios: electricity's comparative advantage would be more than three times greater for heating than for aviation, revealing that optimal allocation should direct electricity toward heating, where its relative advantage is greatest, and reserve scarce biomass for hard-to-electrify sectors like aviation. Quantitative scenarios demonstrate that strategic allocation based on comparative advantages rather than absolute efficiencies could yield additional useful energy from equivalent primary resources. This framework challenges technology-neutral policy approaches, demonstrating they could produce inefficient outcomes when resources are heterogeneous and scarce. We propose merit order-based allocation governance that would coordinate policies across traditionally siloed sectors, maximizing useful energy delivery while advancing energy justice by expanding resources available for fair distribution. The analysis establishes that allocation efficiency would represent not merely technocratic optimization but an ethical imperative: inefficient allocation shrinks the societal energy pie, disproportionately harming vulnerable populations. Strategic resource allocation guided by comparative advantage analysis could offer essential orientation for accelerating transitions toward sustainable, equitable, low-carbon energy systems.

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