Investigations – open for parties to join

Investigation of alleged breaches by Genesis Energy Limited

The market administrator alleged that Genesis Energy Limited’s offers when Tekapo A was operating islanded between 6 and 9 August breached the high standard of trading conduct requirement under clause 13.5A(1) of the Code.

Investigation of an alleged breach by Genesis Energy Limited

Haast Energy Trading Limited alleged that Genesis Energy Limited breached clause 13.2A because it did not disclose Meridian Energy Limited’s call of a swaption.

Investigation of an alleged breach by Meridian Energy Limited

Haast Energy Trading Limited alleged that Meridian Energy Limited breached clause 13.2A because it did not disclose its call of a swaption with Genesis Energy Limited.

Investigation of alleged breaches by Transpower New Zealand Limited as the system operator

Transpower New Zealand Limited, as the system operator, self-reported that it failed to procure the correct amount of fast instantaneous reserve (FIR) between 18 January 2018 and 17 January 2019, when Whirinaki was dispatched to provide FIR. The alleged breaches were the result of a software error. The over-procurement occurred during 78 trading periods across 14 trading days. The breaches have been estimated to have increased final prices and final reserve prices. 

Investigation of alleged breaches by Transpower New Zealand Limited as the grid owner

Transpower New Zealand Limited, as the grid owner, self-reported that it failed to provide the system operator with an updated actual operational status of the Roxburgh special protection scheme from 13 June 2017 to 9 August 2018.

Investigations – closed for parties to join

Investigation of alleged breach by Country Connect Solar Limited

Country Connect Solar Limited is alleged to have commenced trading on Wellington Electricity Lines Limited’s network without first having an arrangement in place for the provision of line function services.

Investigation of alleged breaches by NextGen Energy Limited

NextGen Energy Limited (NextGen) is alleged to have failed to take all practicable steps to provide complete and accurate submission information to the reconciliation manager. NextGen is alleged to have failed to subsequently provide further information as soon as practicable to ensure the submission information was complete and accurate.

Investigation of alleged breaches by Transpower New Zealand Limited as the grid owner

The investigation concerns three separate breaches when the grid owner’s protection settings were not selective during faults so that the minimum amount of assets were electrically disconnected. The assets disconnected were transformers at Invercargill, Bombay and Southbrook grid exit points.

Transpower New Zealand Limited as the grid owner

The investigation concerns the grid owner reconnecting two parts of the grid which were not synchronised on 2 March 2017.

Transpower New Zealand Limited as the system operator

The investigation concerns the system operator’s actions when re-establishing normal operation following an event on the grid on 2 March 2017.

Closed investigations

Compliance – Decisions - Investigations closed – no settlement reached

Compliance – Decisions - Investigations closed – settlement reached