On March 28, 2026, the Saudi Standards, Metrology and Quality Organization (SASO) issued the updated SASO 2648:2026 energy efficiency label standards, which for the first time include grid-connected PV inverters and residential energy storage systems (including EMS) under.
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Renewable Energy Test Center (RETC, LLC) is a leading independent test lab that provides engineering services and certification testing for renewable energy products.
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Solar testing encompasses the rigorous evaluation of photovoltaic (PV) systems and components—ranging from individual cells to complete arrays—to ascertain performance characteristics, durability, and adherence to established industry standards and safety regulations.
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Our state-of-the-art PV testing and certification centers provide both safety and performance testing from a single source, including facilities in: Shanghai, China; Taipei, Taiwan; Cortland, New York; and Lake Forest, California.
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