'SMA Sunny Central UP-S battery inverter platform met requirements...certified under the VDE FNN guideline Version 2.1...Published in early 2026, the guideline defines the technical and verification requirements for grid-forming units...
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SMA battery inverter first to win grid-forming certification for German inertia market
Inverter manufacturer SMA Solar Technology has become the first to be certified as capable of providing inertia to the German grid.