Customer Advice Notices (CAN)

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Customer Advice Notices include important information for market participants about events happening on the power system.

These notices are also available for interested parties and other stakeholders, including media and consumers. Subscribe to this page to receive an email notification when a new CAN is published. If you wish to receive notification when an Excursion Notice or GEN is issued you need to subscribe to these pages separately.

May
Notice Date
Notice CAN HVDC Round Power Status Change 800000133 Date
Notice CAN New Demand Allocation Tool 800000132 Date
Notice CAN - Planned Outage - 800000116 Date
Notice CAN - Rangipo G6 to be classified as a Secondary Risk whilecommissioning - 800000111 Date
Notice CAN - Low Residual Situation - 800000107 Date
Notice CAN - Rangipo G6 to be classified as a Secondary Risk whilecommissioning - 800000103 Date
Notice CAN - Change to Winter ratings from 10-May-2026 07-00 to20-Oct-2026 06-59 - 800000101 Date
April
Notice Date
Notice CAN Planned Outage HVDC Pole 3 Date
Notice CAN Unplanned Outage HVDC Pole 3 Date
Notice CAN Unplanned Outage HVDC Pole 3 Date
Notice CAN Planned Outage HVDC Pole 2, HVDC Pole 3 Date
Notice CAN HVDC Pole 2 Reduced Capability Date
Notice CAN Planned Outage HVDC Pole 3 Date
Notice CAN Planned Outage HVDC Pole 2 Date
Notice CAN HVDC Pole 2 Reduced Capability Date
Notice CAN HVDC Pole 2 Reduced Capability Date
Notice CAN RPO G6 to be classified as a Secondary Risk (CE and ECE) whilecommissioning Date
Notice CAN RPO G6 to be classified as a Secondary Risk (CE and ECE) whilecommissioning Date
Notice CAN RPO G6 to be classified as a Secondary Risk (CE and ECE) whilecommissioning Date
Notice CAN Unplanned Outage HVDC Pole 3 Date
Notice CAN Unplanned Outage HVDC Pole 3 Date
Notice CAN Transmission Circuit Risk Reclassification Date
Notice CAN Transmission Circuit Risk Reclassification Date
Notice CAN Planned Outage HVDC Pole 3 Date
Notice CAN Planned Outage HVDC Pole 3 Date
Notice CAN Schedule publication to WITS Date
Notice CAN Schedule publication to WITS Date
February
Notice Date
Notice CAN ICCP and SCADA interruptions due to the planned update of the Transpower SCADA System Date
Notice CAN Planned Outage HVDC Pole 2, HVDC Pole 3 Date
Notice CAN Round power status change Date
Notice CAN Unplanned Outage HVDC Pole 3 Date
Notice CAN Unplanned Outage HVDC Pole 3 Date
Notice CAN Round power status change Date
Notice CAN Round power status change Date
Notice CAN Unplanned Outage HVDC Pole 3 Date
Notice CAN Round power status change Date
Notice CAN HVDC Pole 2 Reduced Capability Date
Notice CAN Unplanned Outage HVDC Pole 3 Date
Notice CAN Unplanned Outage HVDC Pole 3 Date
Notice CAN Transmission Circuit Risk Reclassification Date
Notice CAN Transmission Circuit Risk Reclassification Date
Notice CAN Round power status change Date
Notice CAN Under-Frequency Event Confirmation Date
Notice CAN Planned Outage HVDC Pole 2, HVDC Pole 3 Date
Notice CAN Planned Outage HVDC Pole 2, HVDC Pole 3 Date
Notice CAN Planned Outage HVDC Pole 2, HVDC Pole 3 Date
Notice CAN Unplanned Outage HVDC Pole 3 Date
Notice CAN Unplanned Outage HVDC Pole 3 Date
Notice CAN Ngatamariki Unit 5 to be classified as a Secondary Risk whilecommissioning Date
Notice CAN Transmission Circuit Risk Reclassification Date
January
Notice Date
Notice CAN Round power status change Date
Notice CAN Round power status change Date
Notice CAN Round power status change Date
Notice CAN Round power status change Date
Notice CAN Round power status change Date
Notice CAN Round power status change Date
Notice CAN Round power status change Date
Notice CAN Round power status change Date
Notice CAN Round power status change Date
Notice CAN Round power status change Date
Notice CAN Transmission Circuit Risk Reclassification Date
Notice CAN Transmission Circuit Risk Reclassification Date
Notice CAN Round power status change Date
Notice CAN Round power status change Date
Notice CAN Round power status change Date
Notice CAN Round power status change Date
Notice CAN Round power status change Date
Notice CAN Round power status change Date
Notice CAN Ngatamariki Unit 5 to be classified as a Secondary Risk whilecommissioning Date
Notice CAN Round power status change Date
Notice CAN Transmission Circuit Risk Reclassification Date
Notice CAN Transmission Circuit Risk Reclassification Date