onsemi and Sungrow Target 99.3% Efficiency in Utility-Scale BESS

What happened

onsemi and Sungrow announced the integration of onsemi's EliteSiC hybrid power module technology into Sungrow's PowerTitan 3.0 energy storage platform, targeting high-power DC-AC conversion in grid-scale storage installations. According to onsemi, the new architecture improves inverter-level efficiency by 0.4 percentage points compared with the previous-generation platform, supports power conversion units rated up to 450 kW, and achieves peak efficiency exceeding 99.3%. onsemi's analysis indicates that a 0.4% efficiency improvement could save more than 475 MWh annually in a 100 MW battery energy storage installation compared with the previous-generation module. The SiC hybrid technology combines silicon carbide and silicon power devices in a three-level inverter architecture, providing increased power density and improved thermal performance. The companies collaborated on platform development, system optimization, engineering validation, and qualification, and the adoption follows an established strategic relationship between onsemi and Sungrow.

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Source and time

Source: Power Electronics News · 10/16/2026 · View original source