Performance Ratio and Econometrics of a Community Waste Power Plant (Biogas) System

Oluwaseun Olanrewaju Akinte, Ritthichai Ratchapan, Sarun Nakthanom, Krisada Prompinit and Boonyang Plangklang ()
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Oluwaseun Olanrewaju Akinte: Department of Electrical Engineering, Faculty of Engineering, Rajamangala University of Technology, Thanyaburi 12110, Thailand
Ritthichai Ratchapan: Department of Electrical Engineering, Faculty of Engineering, Rajamangala University of Technology, Thanyaburi 12110, Thailand
Sarun Nakthanom: School of Science and Technology, Sukhothani Thammathirat Open University, Nonthaburi 11000, Thailand
Krisada Prompinit: Program of Electrical and Electronics, Faculty of Industrial Technology, Sakon Nakhon Rajabhat University, Sakon Nakhon 47000, Thailand
Boonyang Plangklang: Department of Electrical Engineering, Faculty of Engineering, Rajamangala University of Technology, Thanyaburi 12110, Thailand

Sustainability, 2025, vol. 17, issue 11, 1-44

Abstract: This study examined a proposed system integrating waste power plants, a utility grid, and battery technologies to optimize energy operations for the On-nut community in Bangkok. The system was modeled through experimental, mathematical, and schematic approaches to identify the most efficient energy generation and cost management strategies utilizing lithium, flow, and zinc bromide batteries. This was achieved by employing industrial smart grid analysis, closed-loop algorithms, and feedback control systems to manage energy flow econometrics through switching operations, thereby maximizing electric cost efficiency and network service from the integrated system architectures (grid/lithium/biogas, grid/flow/biogas, and grid/zinc bromide/biogas systems). The proposed configuration of the biogas generator/grid/lithium-ion storage network demonstrated the highest technical efficiency in energy purchases, totaling 239,764 kWh, with energy sales to the grid amounting to 1,959,426 kWh and the lowest net energy purchase from the grid at 1,719,661 kWh. Conversely, the biogas generator/grid/zinc bromide storage configuration achieved the most economical network, reflected in an overall current cost of USD 8,647,863.00, an operating cost of USD 143,974.00, an investment return rate of 17.00%, an internal return rate of 20.30%, and a payback period of 4.83 years. The biogas generator/grid/zinc bromide network exhibited the highest performance ratio at 80.55%, surpassing the flow battery at 79.65% and lithium-ion at 78.89% in terms of energetic configurations.

Keywords: integrated hybrid power network; energy storage technique; econometric estimation–hybrid energy configuration assessment; feedback controllers (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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