Distribution utilities in New Zealand have followed the global IEC 61850 standards and developments since 2005. Of the 29 distribution network operators (DNOs) in the country — each with varying ownership structures — many of the larger DNOs have been involved with this substation automation development. Vector Ltd., the largest DNO in New Zealand, supplies all the electricity customers in the greater Auckland region and has
A Decade with IEC 61850
New Zealand distribution utilities share their experiences using IEC 61850 standards.