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HYBRID BIOGAS PLANTS: ECONOMIC VIABILITY AND ENVIRONMENTAL BENEFITS

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ALTERNATIVE ENERGY

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Abstract. This study provides a comprehensive economic and environmental assessment of a hybrid biogas plant integrating a biogas reactor with solar technologies. An analysis of capital and operational costs was conducted, the payback period was calculated, and environmental impacts, including CO₂ emissions reduction, were determined. A comparison of energy production and cost with traditional sources revealed the advantages of the proposed technology. Methods and Materials. To evaluate the economic efficiency of the hybrid biogas plant (HBP), calculations were performed, including the determination of the levelized cost of energy (LCOE), initial investment, and operational expenses analysis. Reliability and accessibility criteria for energy supply were also examined. Additionally, government support measures such as subsidies and incentives in the renewable energy sector were considered. Results. The integration of solar panels and thermal collectors accelerates the payback period of the HBP compared to standalone biogas plants by increasing energy production and reducing operational expenses. For a small-scale system with capital investments of approximately $600, the annual energy generation is around 1000 kWh, resulting in energy cost savings of about $100 per year, corresponding to a payback period of approximately six years. Environmental analysis has shown that producing 100 m³ of biogas annually can reduce greenhouse gas emissions by 1700 kg CO₂-equivalent. This is achieved through methane capture and the substitution of fossil fuels. Additionally, controlled waste processing reduces soil and water pollution, decreases atmospheric pollutant emissions, and enhances the energy independence of farms and remote areas. Conclusion. The study confirmed the economic feasibility of implementing hybrid biogas systems and their significant environmental benefits. The integration of solar technologies contributes to lower operational costs and reduced carbon footprint. Due to their scalability and adaptability to various climatic conditions, such installations represent a promising direction in sustainable energy development. Future research could focus on optimizing system configurations, reducing capital costs, and developing effective government support mechanisms to enhance the investment attractiveness of this technology

AUTHORS

N.Avezova

FPI

N.Matchanov

O‘zbekenergotamir

A.Usmanov

O‘zbekiston Respublikasi Fanlar akademiyasi Fizika-texnika instituti

Tags

# устойчивое развитие# payback period# биогаз# biogas# barqaror rivojlanish# возобновляемые источники энергии# renewable energy sources# sustainable development# iqtisodiy samaradorlik# biogaz# qayta tiklanuvchi energiya manba# energiya mustaqilligi# гибридные биогазовые установки# экономическая целесообразность# капитальные затраты# эксплуатационные затраты# срок окупаемости# снижение выбросов парниковых газ# энергонезависимость# сокращение загрязнения почвы и в# экологические преимущества# hybrid biogas plants# economic viability# capital expenses# operational expenses# reduction of greenhouse gas emis# energy independence# reduction of soil and water poll# environmental benefits# gibrid biogaz qurilmalari# kapital xarajatlari# ekspluatatsion xarajatlar# qoplanish muddati# parnik gazlari chiqindilarini ka# tuproq va suv ifloslanishini kam# ekologik ustunliklar

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Article Identifiers

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https://eroi.uz/11.0032/A0825-0011

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