Various TC 57 Working Groups (250 members in WG 10!!):
IEC TC 57 WG 10 is the LARGEST WG in the whole IEC!!
Sales of IEC 61850 standards:
You are right, IEC 61850 is one of the most crucial standard series in IEC and also in the market of power systems!
More to come! [blog.iec61850.com]