Customer Advice Notices are information notices we send out to registered electricity market participants informing of events happening on the power system.
The website publishes all CANs that are sent out from the System Operator. Subscribe to this page to receive an email notification when a new CAN is published.
| November | Date |
|---|---|
 CAN New Zealand Generation Balance Assessment - November 2018 [ 231.85 KB ] | 15/11/2018 |
| CAN Planned outages of HVDC Pole 2, Pole 3 and Bipole [ 222.26 KB ] | 14/11/2018 |
| October | Date |
|---|---|
| CAN Security and energy desk telephone issues [ 200.52 KB ] | 26/10/2018 |
| CAN Security and energy desk telephone issues [ 200.22 KB ] | 26/10/2018 |
| CAN Change to Shoulder ratings from 20-Oct-2018 07:00 to 1-Dec-201806:59 [ 143.14 KB ] | 12/10/2018 |
| CAN Te Ahi O Maui Generation Commissioning [ 201.54 KB ] | 11/10/2018 |
| CAN Unplanned Outage HVDC Pole 3 [ 211.12 KB ] | 07/10/2018 |
| CAN Unplanned Outage HVDC Pole 3 [ 210.33 KB ] | 07/10/2018 |
| September | Date |
|---|---|
| CAN Roxburgh Export Overload Special Protection Scheme [ 286.98 KB ] | 28/09/2018 |
| CAN Te Ahi O Maui Generation Commissioning [ 204.81 KB ] | 26/09/2018 |
| CAN Outages Required for TKU Black Start Test [ 344.33 KB ] | 20/09/2018 |
| CAN Variable Line Ratings [ 130.17 KB ] | 19/09/2018 |
| CAN Outages Required for TKU Black Start Test [ 334.83 KB ] | 13/09/2018 |
| CAN Outages Required for TKU Black Start Test [ 305.77 KB ] | 13/09/2018 |
| CAN New Zealand Generation Balance Assessment ? September 2018 - Risk of Shortfall [ 219.66 KB ] | 06/09/2018 |
| CAN Special Protection Scheme Commissioning [ 211.75 KB ] | 04/09/2018 |
| CAN Otahuhu 220 kV circuit outages [ 213.37 KB ] | 03/09/2018 |
| August | Date |
|---|---|
| CAN Revised Interconnecting Transformer Classifications [ 216.18 KB ] | 31/08/2018 |
| CAN Update on Otahuhu circuit outages [ 296.65 KB ] | 31/08/2018 |
| CAN Otahuhu 220kV Circuit Outages [ 328.52 KB ] | 30/08/2018 |
| CAN Publication of Market Node and HVDC Capacity Constraints [ 467.74 KB ] | 24/08/2018 |
| CAN Change in North Island Reserve Risk Classification [ 206.43 KB ] | 17/08/2018 |
| CAN Kawerau T12 Tripping [ 213.23 KB ] | 09/08/2018 |
| CAN Kawerau T12 Tripping [ 212.86 KB ] | 09/08/2018 |
| CAN Kawerau T12 Tripping [ 212.7 KB ] | 09/08/2018 |
| CAN New Zealand Generation Balance Assessment ? August 2018 [ 217.7 KB ] | 02/08/2018 |
| July | Date |
|---|---|
| CAN Planned Outage HVDC Pole 3 [ 194.04 KB ] | 22/07/2018 |
| CAN Planned Outage HVDC Pole 3 [ 193.35 KB ] | 19/07/2018 |
| June | Date |
|---|---|
| CAN Schedule production failure [ 207.33 KB ] | 12/06/2018 |
| CAN Schedule production failure [ 124.72 KB ] | 12/06/2018 |
| May | Date |
|---|---|
| CAN Pole 2 and Pole 3 Outages [ 325.54 KB ] | 27/05/2018 |
| CAN Energy desk telephone issues [ 200.16 KB ] | 27/05/2018 |
| CAN Energy desk telephone issues [ 199.91 KB ] | 26/05/2018 |
| CAN Pole 2 and Pole 3 Outages [ 249.96 KB ] | 26/05/2018 |
| CAN New and Modified Manual Constraints [ 241.23 KB ] | 23/05/2018 |
| CAN Change to North Island ECE Risk [ 210.88 KB ] | 22/05/2018 |
| CAN Pole 2 and Pole 3 Outages [ 247.34 KB ] | 17/05/2018 |
| CAN Temporary Adjustment of Upper North Island Voltage StabilityConstraint RHS [ 129.18 KB ] | 16/05/2018 |
| CAN Temporary Adjustment of Upper North Island Voltage StabilityConstraint RHS [ 128.18 KB ] | 11/05/2018 |
| CAN New Zealand Generation Balance Assessment - May 2018 Risk ofShortfall [ 218.24 KB ] | 04/05/2018 |
| CAN Change to Winter ratings from 07:00 10-May-2018 to 06:5920-Oct-2018 [ 140.47 KB ] | 03/05/2018 |
| April | Date |
|---|---|
| CAN New Zealand Generation Balance Assessment ? April 2018 - Risk of Shortfall [ 216.6 KB ] | 13/04/2018 |
| CAN Re-rating of Kawerau T12 Interconnection transformer [ 128.84 KB ] | 13/04/2018 |
| CAN EDF Sanctum Switchover [ 229.15 KB ] | 12/04/2018 |
| CAN EDF Sanctum Switchover [ 227.6 KB ] | 12/04/2018 |
| CAN EDF Sanctum Switchover [ 226.76 KB ] | 10/04/2018 |
| CAN Change to North Island ECE Risk [ 211.28 KB ] | 10/04/2018 |
| CAN HAM_KPO _1 and 2 outage constraints [ 203.28 KB ] | 09/04/2018 |
| CAN Dispatching from backup tools [ 210.74 KB ] | 06/04/2018 |
| CAN Dispatching from backup tools [ 208.5 KB ] | 06/04/2018 |
| CAN HVDC Modulation risk management [ 215.14 KB ] | 05/04/2018 |
| March | Date |
|---|---|
| CAN Update to the HVDC Bipole operating policy [ 212.39 KB ] | 15/03/2018 |
| CAN HVDC Capability Change Benmore Filter 6 [ 160.48 KB ] | 09/03/2018 |
| CAN Change to Shoulder ratings from 15-Mar-2018 07:00 to 10-May-201806:59 [ 227.84 KB ] | 08/03/2018 |
| CAN Transmission Circuit Risk Reclassification [ 124.31 KB ] | 03/03/2018 |
| February | Date |
|---|---|
| CAN New Plymouth T8 outage 06/03/18 to 08/03/18 [ 212.78 KB ] | 28/02/2018 |
| CAN Variable line ratings on Edendale - Invercargill circuit 1 [ 126.93 KB ] | 23/02/2018 |
| CAN Multiple Frequency Keeping (MFK) Resumption [ 123.94 KB ] | 18/02/2018 |
| CAN OTB-HAY A RECONDUCTORING PROJECT [ 214.87 KB ] | 16/02/2018 |
| CAN Over Frequency Reserve Constraint Limit clarification [ 218.94 KB ] | 13/02/2018 |
| CAN North Island frequency keeping trial with FKC disabled [ 126.16 KB ] | 12/02/2018 |
| CAN Under-Frequency Event Confirmation [ 328.61 KB ] | 09/02/2018 |
| CAN Transmission Circuit Risk Reclassification [ 125.15 KB ] | 01/02/2018 |
| CAN Transmission Circuit Risk Reclassification [ 125 KB ] | 01/02/2018 |
| January | Date |
|---|---|
| CAN Variable Line Ratings [ 127.24 KB ] | 31/01/2018 |
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