40.99 Apr 24, 2026
DECFDIS Jul 1, 2026
IEC
TC 82
International Standard
PROJECT
IEC 63409-1 ED1
40.99
Full report circulated: DIS approved for registration as FDIS
Apr 24, 2026
Photovoltaic power generating systems connection with the grid - Testing of power conversion equipment - Part 1: General requirements
40.60 Close of voting