Determinations of who caused under-frequency events
The Authority is required to determine who caused under-frequency events for the purposes of allocating event charges to the causers. The Authority consults on draft determinations and considers submissions before publishing final determinations.
Overview
| Date | Activity |
|---|---|
| 08 Nov – 06 Dec 2022 | Consultation: The system operator recommends that the causer of the 1 March 2022 under-frequency event was Genesis Energy Limited and the causer of the 5 May 2022 under-frequency event Meridian Energy Limited. Read more |
| 7 Feb 2022 | Development: Read more |
| 7 Dec 2021 | Development: Read more |
| 27 Jul – 24 Aug 2021 | Consultation: The system operator recommends that the causer of the 2 May 2021 under-frequency event was Genesis Energy Limited. Read more |
| 8 Jun 2021 | Development: The Authority’s final determination under clause 8.61(9) of the Code is that Genesis Energy Limited (Genesis), is the causer of the under-frequency event on 30 October 2020 at 01:07 hours. Read more |
| 16 Mar – 13 Apr 2021 | Consultation: The system operator recommends that the causer of the 30 October 2020 under-frequency event was Genesis Energy Limite Read more |
| 16 Mar 2021 | Development: Earlier this year we consulted on our draft determination for the 4 February 2020 under frequency event. No submissions were received. Read more |
| 12 Jan – 09 Feb 2021 | Consultation: The system operator recommends that the causer of the 4 February 2020 under-frequency event was Genesis Energy Limited. Read more |
| 10 Sep 2019 | Development: Final determinations of who caused the December 2018 under-frequency events Read more |
| 16 Jul – 13 Aug 2019 | Consultation: The Authority’s draft determinations are that Genesis Energy Limited was the causer of the 13 December under-frequency event, and Transpower New Zealand Limited (as the grid owner) was the causer of the 14 December event. Read more |
| 6 Jul 2018 | Development: Final determination of who caused the 9 February 2018 under-frequency event Read more |
| 15 May – 12 Jun 2018 | Consultation: Draft determination of the causer of the 9 February 2018 under-frequency event Read more |
| 12 Dec 2017 | Development: Final determinations of who caused the 2 March 2017 under-frequency events Read more |
| 12 Dec 2017 | Development: Final determinations of who caused the 11 and 15 June 2017 under-frequency events Read more |
| 10 Oct – 21 Nov 2017 | Consultation: Draft determinations of the causers of the 2 March 2017 under-frequency events Read more |
| 10 Oct – 07 Nov 2017 | Consultation: Draft determinations of the causers of the 11 and 15 June 2017 under-frequency events Read more |
| 18 Apr 2017 | Development: Final determination of who caused the 8 September 2016 under-frequency event Read more |
| 18 Apr 2017 | Development: Final determination of who caused the 3 October 2016 under-frequency event Read more |
| 14 Feb – 14 Mar 2017 | Consultation: Draft determination of who caused the 8 September 2016 under-frequency event Read more |
| 14 Feb – 14 Mar 2017 | Consultation: Draft determination of who caused the 3 October 2016 under-frequency event Read more |
