Optimal energy management of sustainable hydrogen-based forestry operations with grid and hydrogen network support

IF 8.3 2区工程技术 Q1 CHEMISTRY, PHYSICAL

International Journal of Hydrogen Energy Pub Date : 2025-10-01 DOI:10.1016/j.ijhydene.2025.151791

Alper Çiçek

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Abstract

The decarbonization of forestry operations poses significant challenges due to the dependence on fossil-fueled equipment and the limited accessibility of energy infrastructure in remote regions. This study presents a mixed-integer linear programming (MILP)-based optimal energy management model for a zero-emission forestry ecosystem powered by renewable energy sources (RESs) and hydrogen technologies. The integrated system harnesses photovoltaic (PV) and wind power, supplemented by the power grid, to generate hydrogen, which is stored in a centralized stationary tank. A mobile hydrogen tank ensures off-grid delivery to remote forestry zones, enabling emission-free operations by supplying hydrogen to various types of forestry equipment, including log stackers, power saws, and planters. The system also connects both the power grid and hydrogen network, providing backup electricity and hydrogen support during emergency conditions, thereby enhancing operational resilience. Participation in the hydrogen certificate market is incorporated to promote economic sustainability and reward green energy use. The proposed model simultaneously minimizes total operational costs and maximizes energy resilience and grid support. The model's performance is evaluated through detailed case studies under various operating scenarios, with all test activities assumed to be conducted based on forestry operations in Kırklareli, Türkiye. The results demonstrate the system's capability to reduce greenhouse gas emissions, optimize resource allocation, and maintain reliable energy supply even in fully off-grid contexts. The best-performing case achieves a maximum economic gain of €4915. Fully off-grid systems achieve zero emissions but have limited energy output and economic performance, with a carbon emission reduction of 6.7 metric tons compared to fossil-based operations. Notably, the model demonstrated complete operational coverage for forestry machinery without reliance on fossil fuels, achieving 100 % carbon emission reduction and highlighting its viability as a decarbonized and resilient solution. These results confirm the robustness and applicability of the proposed approach, underscoring its potential to enable economically viable, zero-emission, and off-grid forestry operations.

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在电网和氢网络支持下可持续氢基林业业务的最佳能源管理

由于对化石燃料设备的依赖和偏远地区能源基础设施的有限可及性，林业业务的脱碳构成了重大挑战。本文提出了一个基于混合整数线性规划（MILP）的零排放森林生态系统最优能源管理模型，该模型由可再生能源（RESs）和氢技术驱动。该综合系统利用光伏（PV）和风力发电，辅以电网，产生氢气，储存在一个集中的固定罐中。移动氢罐确保离网输送到偏远的林业地区，通过向各种林业设备（包括原木堆垛机、电动锯和播种机）供应氢气，实现无排放作业。该系统还可以连接电网和氢气网络，在紧急情况下提供备用电力和氢气支持，从而增强运行弹性。参与氢证书市场是为了促进经济的可持续性和奖励绿色能源的使用。提出的模型同时最小化总运营成本，最大化能源弹性和电网支持。通过各种作业情景下的详细案例研究来评估该模型的性能，所有测试活动都假定是根据Kırklareli、t rkiye的林业作业进行的。结果表明，即使在完全离网的情况下，该系统也能减少温室气体排放，优化资源分配，并保持可靠的能源供应。表现最好的案例可实现4915欧元的最大经济收益。完全离网系统实现了零排放，但能源输出和经济效益有限，与基于化石燃料的操作相比，碳排放量减少了6.7公吨。值得注意的是，该模型展示了在不依赖化石燃料的情况下，林业机械的完全运营覆盖范围，实现了100%的碳减排，并突出了其作为脱碳和弹性解决方案的可行性。这些结果证实了所提出方法的稳健性和适用性，强调了其实现经济上可行、零排放和离网林业经营的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Hydrogen Energy 工程技术-环境科学

CiteScore

13.50

自引率

25.00%

发文量

3502

审稿时长

60 days

期刊介绍： The objective of the International Journal of Hydrogen Energy is to facilitate the exchange of new ideas, technological advancements, and research findings in the field of Hydrogen Energy among scientists and engineers worldwide. This journal showcases original research, both analytical and experimental, covering various aspects of Hydrogen Energy. These include production, storage, transmission, utilization, enabling technologies, environmental impact, economic considerations, and global perspectives on hydrogen and its carriers such as NH3, CH4, alcohols, etc. The utilization aspect encompasses various methods such as thermochemical (combustion), photochemical, electrochemical (fuel cells), and nuclear conversion of hydrogen, hydrogen isotopes, and hydrogen carriers into thermal, mechanical, and electrical energies. The applications of these energies can be found in transportation (including aerospace), industrial, commercial, and residential sectors.