We send Customer Advice Notices regarding 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.
Customer Advice Notices (CAN)
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| October | Date |
|---|---|
 CAN Circuit reclassification / Managing a Potential Electrical Island [ 305.83 KB ] | 26/10/2021 |
| CAN Circuit reclassification / Managing a Potential Electrical Island [ 303.04 KB ] | 26/10/2021 |
| CAN Change to Shoulder ratings from 20-Oct-2021 07:00 to 1-Dec-202106:59 [ 146.77 KB ] | 13/10/2021 |
| CAN NCC and NGOC alternate contact number [ 128.35 KB ] | 08/10/2021 |
| CAN NCC and NGOC alternate contact number [ 129.56 KB ] | 08/10/2021 |
| CAN Outage Assessment for Islington Tekapo B outage [ 304.61 KB ] | 08/10/2021 |
| CAN NCC and NGOC alternate contact number [ 129.57 KB ] | 08/10/2021 |
| CAN NCC and NGOC alternate contact number [ 129.36 KB ] | 08/10/2021 |
| CAN Revised Permanent and Outage Manual Constraints(WELLINGTON_STABILITY_P_1D andWELLINGTON_STABILITY_MGM_MST_1_or_MGM_WDV_1_O_1D) [ 483.19 KB ] | 01/10/2021 |
| July | Date |
|---|---|
| CAN New Permanent Manual Constraint (KAW_T13_P_1) [ 470.86 KB ] | 29/07/2021 |
| CAN Unplanned Outage HVDC Pole 3 [ 368.5 KB ] | 26/07/2021 |
| CAN Unplanned Outage HVDC Pole 3 [ 368.1 KB ] | 26/07/2021 |
| CAN Turitea Wind Farm will be classified as a secondary risk [ 297.5 KB ] | 19/07/2021 |
| CAN Turitea Wind Farm will be classified as a secondary risk [ 297.31 KB ] | 19/07/2021 |
| CAN Impacts on System Operator with the potential removal of RegionalCoincident Peak Demand [ 300.74 KB ] | 19/07/2021 |
| CAN Low Residual Situation [ 302.81 KB ] | 13/07/2021 |
| CAN Low Residual Situation [ 303.59 KB ] | 12/07/2021 |
| CAN Tauhara A G1 will be classified as a secondary risk [ 445.88 KB ] | 09/07/2021 |
| CAN Change in the North Island load not providing AUFLS due toreduction in load at Norske Skog Tasman, Kawerau [ 132.13 KB ] | 05/07/2021 |
| CAN Arapuni G8 will be classified as a secondary risk [ 443.35 KB ] | 01/07/2021 |
| May | Date |
|---|---|
| CAN Tauhara A G2 will be classified as a secondary risk [ 296.83 KB ] | 28/05/2021 |
| CAN Tauhara A G1 will be classified as a secondary risk [ 294.97 KB ] | 28/05/2021 |
| CAN Tauhara A G1 will be classified as a secondary risk [ 293.45 KB ] | 25/05/2021 |
| CAN Tauhara A G2 will be classified as a secondary risk [ 296.94 KB ] | 24/05/2021 |
| CAN Tauhara A G2 will be classified as a secondary risk [ 294.54 KB ] | 19/05/2021 |
| CAN Managing a Potential Electrical Island [ 289.33 KB ] | 18/05/2021 |
| CAN Managing a Potential Electrical Island [ 288.62 KB ] | 18/05/2021 |
| CAN Changes to the Reserve Management Tool (RMT) [ 132.23 KB ] | 17/05/2021 |
| CAN Clutha and Upper Waitaki Lines Project update and outage changes [ 131.91 KB ] | 10/05/2021 |
| CAN Under-Frequency Event Confirmation [ 144.96 KB ] | 04/05/2021 |
| CAN Change to Winter ratings from 10-May-2021 07:00 to 20-Oct-202106:59 [ 302.09 KB ] | 03/05/2021 |
| April | Date |
|---|---|
| CAN Planned Outage HVDC Cable 6 [ 489.07 KB ] | 30/04/2021 |
| CAN Piripaua G5 will be classified as a secondary risk [ 444.21 KB ] | 09/04/2021 |
| CAN Transmission Circuit Risk Reclassification [ 310.9 KB ] | 01/04/2021 |
| CAN Transmission Circuit Risk Reclassification [ 188.63 KB ] | 01/04/2021 |
| CAN Transmission Circuit Risk Reclassification [ 189.65 KB ] | 01/04/2021 |
| CAN Transmission Circuit Risk Reclassification [ 188.92 KB ] | 01/04/2021 |
| CAN Piripaua G5 will be classified as a secondary risk [ 174.36 KB ] | 01/04/2021 |
| March | Date |
|---|---|
| CAN Unplanned Outage HVDC Pole 3 [ 230.56 KB ] | 23/03/2021 |
| CAN Clutha and Upper Waitaki Lines Project (CUWLP): update and outagechanges [ 272.87 KB ] | 18/03/2021 |
| CAN Waipipi Wind Farm classified as a secondary risk [ 254.9 KB ] | 11/03/2021 |
| CAN Change to Shoulder ratings from 15-Mar-2021 07:00 to 10-May-2021 [ 129.91 KB ] | 08/03/2021 |
| February | Date |
|---|---|
| CAN Huntly U5 frequency response test using Huntly U4 load rejection [ 173.46 KB ] | 26/02/2021 |
| CAN Planned Outage HVDC Pole 2, HVDC Pole 3 [ 239.98 KB ] | 11/02/2021 |
| CAN Application of a Manual Security Constraint in the Upper SouthIsland [ 178.74 KB ] | 10/02/2021 |
| CAN Application of a manual security constraint in the upper SouthIsland [ 178.25 KB ] | 10/02/2021 |
| January | Date |
|---|---|
| CAN Ngawha B Station will be classified as a secondary risk. [ 177.14 KB ] | 27/01/2021 |
| CAN Marton Whanganui Circuit Overload Protection Scheme [ 173.35 KB ] | 21/01/2021 |
| CAN Transmission Circuit Risk Reclassification [ 189.61 KB ] | 03/01/2021 |
| CAN Unplanned Outage HVDC Pole 3 [ 230.57 KB ] | 03/01/2021 |
| CAN Unplanned Outage HVDC Pole 3 [ 231.01 KB ] | 03/01/2021 |
| CAN Unplanned Outage HVDC Pole 3 [ 230.57 KB ] | 02/01/2021 |
| CAN Transmission Circuit Risk Reclassification [ 176.72 KB ] | 02/01/2021 |
| CAN Transmission Circuit Risk Reclassification [ 175.75 KB ] | 02/01/2021 |
