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Complex energy systems, in the current period of transition to a climate-neutral society, comprise two fully functional subsystems, that of fossil fuel-based production and that of production from renewable energy sources. The functional coexistence of these subsystems is achieved due to the capture of the CO2 component from flue gases through the energy vector represented by green H2. This takes on both the role of energy accumulation and the role of transforming the CO2 component, captured during the combustion ...

The transition to renewable energy sources is a key strategy for reducing carbon emissions and ensuring energy sustainability. This study explores the integration of photovoltaic (PV) systems for hydrogen production and storage in Constan?a County, Romania. The region benefits from high solar potential, making it an optimal location for implementing solar energy solutions. The proposed system converts solar energy into electricity through photovoltaic panels, which is then used to power an electrolyzer for hydroge...