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E DIN EN IEC 62933-3-1 VDE 0520-933-3-1:2026-03

Electrical energy storage (EES) systems

Part 3-1: Planning and performance assessment of electrical energy storage systems – General specification

(IEC 120/426/FDIS:2025); German and English version FprEN IEC 62933-3-1:2025
Class/Status: Draft, valid
Released: 2026 -03   Published: 2026-02 -27
VDE Art. No.: 1500314
End of objection deadline: 2026-04-27