Bifacial Photovoltaics Module Energy Modeling Validation Study

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Bifacial photovoltaic (PV) module suppliers are conducting their own efficiency tests in an effort to demonstrate energy gains to customers, but these tests often lack third-party review. To enable more accurate and bankable solar production forecasts for bifacial modules, this team will establish an outdoor test that compares modeled energy from bifacial models to measured energy generation in common types of ground or roof coverings. These tests will account for multiple scenarios for bifacial modules, including placement on painted flat roofs, placement in fields with low-lying vegetation, and soiling from dirt or sand. The team will publish the results of this analysis to improve modeling efforts, energy-yield estimates, and bankability for bifacial modules on the market.