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Bifacial Photovoltaics for DC Fast Public Charging of 800V Electric Vehicles

, G.S. Quansah, O. Oñederra, , G. Saldaña, · Renewable Energies, Environment and Power Quality Journal · 2026

Electric Vehicles (EVs) operating on 800V architecture, and their associated fast-charging stations, demand higher power capacity, as compared to traditional 400V EVs. This increases stress on the utility grid. Bifacial photovoltaics (bPVs) offer a high performance energy generation solution, capable of mitigating these demands. They are known for their bidirectional irradiance capture technology, and dual-surface PV conversion capability. Using superior photon-to-electron conversion efficiencies and enhanced power density, bPVs show an advantage over monofacial photovoltaics (mPVs). This paper evaluates the energy generation potential of bPVs, integrated with grid-supplied power, to support 800V EV charging requirements. This is achieved through computational modeling and simulation with PVSyst, using meteorological datasets, from selected regions in Spain. For space constrained urban areas, this paper technically validates that energy output of bPVs represent a superior strategy for supporting the electrical grid, in the charging of 800V EVs, as compared to traditional mPVs. Key words. Bifacial, Albedo, DC Fast Charging, 800V, Electric Vehicle

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