Feasibility Analysis of Hybrid Green Power Generation System for Healthcare Institutions

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Chinese explanation / 中文解读

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Original abstract

Reliable and sustainable electricity supply is essential for healthcare facilities, where power interruptions can compromise critical medical services and patient safety. This study evaluates the techno-economic and environmental feasibility of a grid-connected hybrid green power generation system for healthcare institutions using the HOMER Pro optimization software. The proposed configuration comprises a 50 kW solar photovoltaic (PV) array, a 50 kW biogas generator, a 10 kW fuel cell integrated with a 10 kW electrolyzer and a 10 kg hydrogen storage tank, a 50 kW power converter, and grid connectivity. Simulation results demonstrate that the optimal hybrid system is both economically and technically viable, achieving an NPC of $168,314 and a COE of $0.156/kWh. The system generated sufficient electricity to export approximately 128,194 kWh/year of surplus power to the utility grid while purchasing only 19,239 kWh/year, indicating high energy generation capability, operational flexibility, and reduced dependence on grid electricity. Environmental assessment further revealed a renewable energy fraction of 93.2% with significantly reduced CO₂ emissions, highlighting the system's potential to mitigate environmental impacts. Sensitivity analysis confirmed that the proposed configuration remains economically attractive under a wide range of technical and financial uncertainties, demonstrating its robustness and resilience.

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