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.

November
Notice Date
Notice CAN Transmission Circuit Risk Reclassification (PDF 138.57 KB) Date
Notice CAN Transmission Circuit Risk Reclassification (PDF 139.19 KB) Date
Notice CAN Round power status change (PDF 146.34 KB) Date
Notice CAN Round power status change (PDF 146.24 KB) Date
Notice CAN Round power status change (PDF 145.25 KB) Date
Notice CAN Round power status change (PDF 143.4 KB) Date
Notice CAN Temporary reclassification of Roxburgh T10, 18 to 29 November2024 (PDF 158.15 KB) Date
Notice CAN Lauriston Solar Farm is to be classified as a Secondary Riskwhile commissioning (PDF 125.9 KB) Date
Notice CAN Managing a Potential Electrical Island (PDF 118.12 KB) Date
Notice CAN Managing a Potential Electrical Island (PDF 119.18 KB) Date
October
Notice Date
Notice CAN New Permanent Branch Constraint for Bunnythorpe-Mataroa-1 (PDF 170.16 KB) Date
Notice CAN Change to shoulder ratings from 20-Oct-2024 07:00 to 1-Dec-202406:59 (PDF 89.12 KB) Date
Notice CAN Transmission Circuit Risk Reclassification (PDF 137.88 KB) Date
Notice CAN Ashburton_Islington_1 outage 21/10/24 - 25/10/24 (PDF 108.49 KB) Date
Notice CAN Coleridge intertrip special protection scheme (PDF 144.85 KB) Date
Notice CAN Te Huka Unit 3 to be classified as a Secondary Risk whilecommissioning (PDF 158.5 KB) Date
September
Notice Date
Notice CAN Coleridge intertrip special protection scheme (PDF 139.23 KB) Date
Notice CAN Intermittent Phone Issues (PDF 76.07 KB) Date
Notice CAN Intermittent Phone Issues (PDF 78.19 KB) Date
Notice CAN Under-Frequency Event Confirmation (PDF 154.11 KB) Date
Notice CAN Updated Outages in POCP for Annual HVDC Outages in Feb/Mar 2025 (PDF 86.35 KB) Date
Notice CAN Planned Outage HVDC Pole 3, HVDC Cable 6 (PDF 160.96 KB) Date
Notice CAN Low Residual Situation (PDF 185.96 KB) Date
Notice CAN Low Residual Situation (PDF 184.95 KB) Date
Notice CAN Planned Outage HVDC Pole 3, HVDC Cable 6 (PDF 159.18 KB) Date
Notice CAN Planned Outage HVDC Pole 3, HVDC Cable 6 (PDF 159.2 KB) Date
Notice CAN Planned Outage HVDC Pole 3, HVDC Cable 6 (PDF 159.26 KB) Date
Notice CAN Outage Assessment for Ashburton bus work (PDF 161.97 KB) Date
Notice CAN Edendale Circuit Overload Protection and Transformer OverloadProtection Schemes (PDF 123.6 KB) Date
Notice CAN Planned Outage HVDC Pole 3, HVDC Cable 6 (PDF 155.49 KB) Date
Notice CAN Transmission Circuit Risk Reclassification (PDF 131.35 KB) Date
Notice CAN Aviemore Benmore Circuit Overload Protection Scheme Update (PDF 131.28 KB) Date
Notice CAN Intermittent Phone Issues (PDF 77.89 KB) Date
August
Notice Date
Notice CAN Transmission Circuit Risk Reclassification (PDF 140.3 KB) Date
Notice CAN Transmission Circuit Risk Reclassification (PDF 139.06 KB) Date
Notice CAN KPO G1 to be classified as a Secondary Risk while commissioning (PDF 132.69 KB) Date
Notice CAN Transmission Circuit Risk Reclassification (PDF 140.98 KB) Date
Notice CAN Transmission Circuit Risk Reclassification (PDF 136.82 KB) Date
Notice CAN KPO G1 to be classified as a Secondary Risk while commissioning (PDF 132.67 KB) Date
Notice CAN Deactivate KAW T12 and T13 Manual Constraints (PDF 161.26 KB) Date
Notice CAN Arapuni North Runback Special Protection Scheme (PDF 124.01 KB) Date
July
Notice Date
Notice CAN Transmission Circuit Risk Reclassification (PDF 138.63 KB) Date
Notice CAN Under-Frequency Event Confirmation (PDF 144.29 KB) Date
Notice CAN Harapaki Wind Farm classified as a secondary risk whilecommissioning (PDF 131.93 KB) Date
Notice CAN Planned Outage HVDC Pole 2, HVDC Pole 3 (PDF 150.94 KB) Date
Notice CAN Planned Outage HVDC Pole 2, HVDC Pole 3 (PDF 150.95 KB) Date
Notice CAN Round power status change (PDF 134.96 KB) Date
Notice CAN Round power status change (PDF 134.9 KB) Date
Notice CAN Dispatch Tool Issues (PDF 148.62 KB) Date
Notice CAN Dispatch Tool Issues (PDF 147.42 KB) Date
Notice CAN Round power status change (PDF 135.66 KB) Date
Notice CAN Planned Outage HVDC Pole 2, HVDC Pole 3 (PDF 149.16 KB) Date
Notice CAN Under Frequency Event Confirmation (PDF 135.46 KB) Date
June
Notice Date
Notice CAN REVISED - NZGB Assessment for Potential Negative GenerationBalances in July 2024 (PDF 105.62 KB) Date
Notice CAN Manapouri Unit 6 classified as a secondary risk whilecommissioning (PDF 144.84 KB) Date
Notice CAN NZGB Assessment for Potential Negative Generation Balances on19th July 2024 (PDF 92.43 KB) Date
Notice CAN Phone dispatch (PDF 110.08 KB) Date
Notice CAN Phone dispatch (PDF 110.72 KB) Date
Notice CAN Transmission Circuit Risk Reclassification (PDF 140.42 KB) Date
Notice CAN Transmission Circuit Risk Reclassification (PDF 139.51 KB) Date
Notice CAN Arapuni North Runback Special Protection Scheme (PDF 124.15 KB) Date
Notice CAN Manapouri Unit 6 classified as a secondary risk whilecommissioning (PDF 144.53 KB) Date
Notice CAN Matahina G2 to be classified as a Secondary Risk whilecommissioning (PDF 130.91 KB) Date
Notice CAN Manapouri Unit 6 classified as a secondary risk whilecommissioning (PDF 142.75 KB) Date
May
Notice Date
Notice CAN Kaiwera Downs Stage 1 to be classified as a Secondary Risk whilecommissioning (PDF 133.02 KB) Date
Notice CAN Round power status change (PDF 137.65 KB) Date
Notice CAN Round power status change (PDF 137.62 KB) Date
Notice CAN Kaiwera Downs Stage 1 to be classified as a Secondary Risk whilecommissioning (PDF 132.04 KB) Date
Notice CAN Dispatching from backup tools (PDF 143.81 KB) Date
Notice CAN Dispatching from backup tools (PDF 140.66 KB) Date
Notice CAN Round power status change (PDF 134.54 KB) Date
Notice CAN Arapuni G3 to be classified as a Secondary Risk whilecommissioning (PDF 130.67 KB) Date
Notice CAN Matahina G2 to be classified as a Secondary Risk whilecommissioning (PDF 126.33 KB) Date
Notice CAN Planned Outage HVDC Pole 3 (PDF 133.78 KB) Date
Notice CAN Planned Outage HVDC Pole 3 (PDF 133.77 KB) Date
Notice CAN Planned Outage HVDC Pole 3 (PDF 133.4 KB) Date
Notice CAN Outage Assessment for Islington-Tekapo B 1 outage (PDF 159.77 KB) Date
Notice CAN Tauhara Generation to be classified as a Secondary Risk whilecommissioning (PDF 141.16 KB) Date
Notice CAN Arapuni G3 to be classified as a Secondary Risk whilecommissioning (PDF 130.04 KB) Date
Notice CAN Planned Outage HVDC Pole 3, HVDC Cable 6 (PDF 155.54 KB) Date
Notice CAN Tauhara Generation to be classified as a Secondary Risk whilecommissioning (PDF 137.56 KB) Date
Notice CAN Low Residual Situation (PDF 186.08 KB) Date
Notice CAN Low Residual Situation (PDF 184.05 KB) Date
Notice CAN NZGB Assessment for Potential Negative Generation Balance on 23rdMay 2024 (PDF 91.73 KB) Date
Notice CAN Failure to publish schedules. (PDF 120.85 KB) Date
Notice CAN Failure to publish schedules. (PDF 115.91 KB) Date
Notice CAN Change to Winter Ratings from 10-May-2024 07:00 to 20-Oct-202406:59 (PDF 132.53 KB) Date
Notice CAN Tauhara Generation to be classified as a Secondary Risk whilecommissioning (PDF 139.13 KB) Date
Notice CAN Outage Assessment for Ashburton Islington 1 outage (PDF 136.33 KB) Date
Notice CAN NZGB Assessment for Potential Negative Generation Balances in May2024 (PDF 92.72 KB) Date
Notice CAN Low Residual Situation (PDF 198.53 KB) Date
April
Notice Date
Notice CAN WPI Station 3 to be classified as a Secondary Risk whilecommissioning (PDF 132.09 KB) Date
Notice CAN Planned Outage HVDC Pole 3 (PDF 133.19 KB) Date
Notice CAN NZGB Assessment for Potential Negative Generation Balance inApril 2024 (PDF 105.08 KB) Date
Notice CAN Rangitaiki Solar Farm to be classified as a Secondary Risk whilecommissioning (PDF 133.89 KB) Date
Notice CAN WPI Station 3 to be classified as a Secondary Risk whilecommissioning (PDF 131.5 KB) Date
Notice CAN Under-Frequency Event Confirmation (PDF 136.33 KB) Date
Notice CAN Dispatching from backup tools (PDF 145.45 KB) Date
Notice CAN Dispatching from backup tools (PDF 145.07 KB) Date
Notice CAN Planned Outage HVDC Pole 3 (PDF 132.84 KB) Date
Notice CAN Outage Assessment for Ashburton-Timaru-Twizel 2 outage (PDF 159.77 KB) Date
Notice CAN Unplanned Outage HVDC Pole 3 (PDF 133.15 KB) Date
Notice CAN Unplanned Outage HVDC Pole 3 (PDF 133.15 KB) Date
March
Notice Date
Notice CAN Unplanned Outage HVDC Pole 3 (PDF 132.78 KB) Date
Notice CAN Piripaua G4 to be classified as a Secondary Risk (PDF 132.06 KB) Date
Notice CAN Revised Upper North Island Voltage Stability Constraint (PDF 136.73 KB) Date
Notice CAN Planned Outage HVDC Pole 3 (PDF 134.32 KB) Date
Notice CAN Planned Outage HVDC Pole 2, HVDC Pole 3 (PDF 153.56 KB) Date
Notice CAN Piripaua G4 to be classified as a Secondary Risk whilecommissioning (PDF 129.81 KB) Date
Notice CAN Change to Shoulder ratings from 15-Mar-2024 07:00 to 10-May-202406:59 (PDF 106.91 KB) Date
Notice CAN Planned Outage HVDC Pole 3 (PDF 134.24 KB) Date
Notice CAN Rangitaiki Solar Farm to be classified as a Secondary Risk whilecommissioning (PDF 129.9 KB) Date
January
Notice Date
Notice CAN Arapuni G4 to be classified as a secondary risk whilecommissioning. (PDF 130.06 KB) Date