GX & Decarbonization Research

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This paper proposes a method to estimate municipal CO2 emissions considering renewable energy installations and forest carbon sinks, aiming to support zero-carbon city planning. It provides a bottom-up approach that reflects local character…

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This paper examines the current state and ideal model of regional finance for community-based renewable energy projects. It analyzes the reality of local financing mechanisms and presents challenges and opportunities.

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This paper describes the development and application of a multi-objective optimization tool for regional renewable energy mix. The tool enables efficient renewable energy deployment plans considering regional characteristics.

Kenji Shiraishi, Won Young Park

This paper examines the trade-offs between cost, supply feasibility, and emissions for imported biomass used in power generation in Japan, considering domestic resource constraints. It provides insights into optimal procurement strategies u…

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This paper assesses renewable energy potential using GIS and applies it to Kyushu region, Japan. It identifies suitable areas for renewable energy deployment through spatial analysis, supporting regional energy transition planning.

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This paper discusses the large-scale and rapid introduction of renewable energy under promotion policies and the issues of solar power equipment renewal. It analyzes policy effects and challenges, providing insights for future renewable ene…

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This paper analyzes the current status and potential of regional energy policy utilizing basic ordinances on renewable energy. It examines the implementation, effects, and challenges of such ordinances, and suggests policy directions toward…

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This document outlines Fukushima Prefecture's initiative to become a pioneer in renewable energy. While lacking detailed technical or policy specifics, it signifies the region's pursuit of decarbonization alongside post-nuclear recovery.

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This paper discusses challenges in disseminating solar power in regions and Japan's decarbonization leading areas. It analyzes barriers and best practices to promote renewable energy adoption.

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This special feature focuses on heat pump technology, a key enabler for achieving carbon neutrality. It explains energy-saving effects and decarbonization contributions across water heating, space heating, and industrial processes. Japanese…

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This paper explores the potential of using regional biomass resources for decarbonization, discussing local energy self-sufficiency and contributions to net-zero targets.

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This survey investigates awareness and attitudes toward renewable energy among citizens and businesses. Findings show high awareness but barriers such as cost and lack of information. Policy support and education are identified as key drive…

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This paper analyzes how Japanese cooperatives are advancing renewable energy development and power businesses in line with the 2050 carbon neutrality declaration. It presents specific cases of cooperative renewable energy plant construction…

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This study examines the potential of woody biomass resources for greenhouse gas reduction, focusing on sustainable forest management and carbon sequestration. It evaluates the contribution of biomass energy to the energy transition.

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This paper examines institutional design to promote regional utilization of renewable energy. It discusses deployment strategies tailored to local characteristics and the importance of community involvement, offering policy insights for Jap…

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This paper reviews trends in renewable energy research within the rural planning field over the past decade, focusing on Japanese case studies. It summarizes the status and challenges of solar and wind energy adoption and suggests future re…

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This special issue calls for papers on technologies addressing output fluctuations of renewable energy, including energy storage, demand response, and grid integration.

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This study evaluates a Vehicle-to-Grid (V2G) system using renewable energy on Tanegashima Island, Japan. It examines the potential for energy self-sufficiency and electric vehicle utilization in island regions. The findings suggest that sto…

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This document outlines NEDO's R&D project on technologies to address power system output fluctuations. The project develops solutions for grid stability challenges associated with large-scale renewable energy integration.

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This paper analyzes the relationship between the possible range of start-up units and supply-demand balance in generator start-up/shutdown planning under high renewable energy penetration. It quantitatively evaluates how flexibility in star…