Investigation into alleged breach by Transpower as the grid owner

The Electricity Authority Te Mana Hiko is investigating an alleged breach of the Electricity Industry Participation Code 2010 (Code) by Transpower New Zealand Limited as the grid owner.

The Authority alleged that the grid owner breached clause 12.113 of the Code on 20 June 2024.

This event was related to the collapse of a transmission tower that resulted in a power outage in the Northland region.

If any participant considers it is affected by the alleged breach and wishes to join the investigation, it should contact the appointed investigator by 5pm on 30 September 2024.

The investigator can be contacted by:

• email at compliance@ea.govt.nz citing reference 2408TPNZ2 in the subject line
• our Compliance portal
• post at Compliance Investigator, Electricity Authority Te Mana Hiko, PO Box 10041, Wellington 6011.

Note this investigation is independent from the Authority’s section 18 review and report into the Northland event provided to the Minister on Friday 13th September.

View the investigation notice.