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.

July
Notice Date
Notice CAN Round power status change Date
Notice CAN Round power status change Date
Notice CAN New temporary static constraint for Redclyffe T4 and T5 Date
June
Notice Date
Notice CAN Round power status change Date
Notice CAN Unplanned Outage HVDC Pole 2 Date
Notice CAN Unplanned Outage HVDC Pole 2 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 Ruakaka BESS is to be classified as a Secondary Risk whilecommissioning Date
May
Notice Date
Notice CAN Transmission Circuit Risk Reclassification Date
Notice CAN Planned Outage HVDC Pole 3 Date
Notice CAN Outage Assessment for Islington-Norwood 1 outage Date
Notice CAN Te Herenga O Te Ra (HTR) Solar Farm to be classified as aSecondary Risk while commissioning Date
Notice CAN Hawera (HWA) Transformer Overload Protection Scheme (TOPS) Date
Notice CAN Low Residual Situation Date
Notice CAN Round power status change Date
Notice CAN Round power status change Date
Notice CAN Round power status change Date
Notice CAN Planned Outage HVDC Pole 3 Date
Notice CAN Planned Outage HVDC Pole 3 Date
Notice CAN Planned Outage HVDC Pole 2 Date
Notice CAN Change to Winter Ratings from 10 May 2025 07:00 to 20 October2025 06:59 Date
Notice CAN Unplanned Outage HVDC Pole 2 Date
Notice CAN Transmission Circuit Risk Reclassification Date
Notice CAN Transmission Circuit Risk Reclassification Date
Notice CAN Unplanned Outage HVDC Pole 2 Date
Notice CAN HVDC Pole 3 Reduced Capability Date
Notice CAN Unplanned Outage HVDC Pole 2 Date
Notice CAN Unplanned Outage HVDC Pole 2 Date
Notice CAN Unplanned Outage HVDC Pole 2 Date
Notice CAN Unplanned Outage HVDC Pole 2 Date
April
Notice Date
Notice CAN Planned Outage HVDC Pole 3 Date
Notice CAN Planned Outage HVDC Pole 3 Date
Notice CAN Under-Frequency Event Confirmation Date
Notice CAN Transmission Circuit Risk Reclassification Date
Notice CAN Unplanned Outage HVDC Pole 3 Date
Notice CAN Unplanned Outage HVDC Pole 3 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 Transmission Circuit Risk Reclassification Date
Notice CAN Transmission Circuit Risk Reclassification Date
Notice CAN Unplanned Outage HVDC Pole 3 Date
Notice CAN Unplanned Outage HVDC Pole 3 Date
Notice CAN Managing a Potential Electrical Island Date
Notice CAN Managing a Potential Electrical Island Date
Notice CAN Managing a Potential Electrical Island Date
Notice CAN Outage Assessment for Islington-Norwood 1 outage Date
Notice CAN Change to Scarcity Pricing Settings Date
March
Notice Date
Notice CAN Matahina G1 to be classified as a Secondary Risk whilecommissioning Date
Notice CAN Matahina G1 to be classified as a Secondary Risk whilecommissioning Date
Notice CAN Matahina G1 to be classified as a Secondary Risk whilecommissioning Date
Notice CAN MTI G4 to be classified as a Secondary Risk while commissioning Date
Notice CAN Round Power Status Change Date
Notice CAN MTI G4 to be classified as a Secondary Risk while commissioning Date
Notice CAN Te Herenga O Te Ra (HTR) Solar Farm to be classified as aSecondary Risk while commissioning Date
Notice CAN Round Power Status Change Date
Notice CAN Round Power Status Change Date
Notice CAN Revision: MTI G4 to be classified as a Secondary Risk whilecommissioning Date
Notice CAN - Update for managing potential security issues for lowSouthland lake levels Date
Notice CAN - Revision of Under-Frequency Event Confirmation Date
Notice CAN - Round Power Status Change_ Revision of notice #6056646896 Date
Notice CAN, 5998297595, Planned Outage HVDC - Revision of Date
Notice CAN - Change to Shoulder ratings from 15-Mar-2025 07:00 to10-May-2024 06:59 Date
Notice CAN - MTI G4 to be classified as a Secondary Risk while commissioning Date
Notice CAN, 6045713550, Te Herenga O Te Ra (HTR) - Revision of Date
Notice CAN Roundpower status change Date
January
Notice Date
Notice CAN New Permanent Market Node Constraints Date
Notice CAN Lauriston Solar Farm is to be classified as a Secondary Riskwhile commissioning Date
Notice CAN Planned Outage HVDC Pole 2, HVDC Pole 3 Date
Notice CAN Under-Frequency Event Confirmation Date
Notice CAN Ruakaka BESS is to be classified as a Secondary Risk whilecommissioning Date