Excursion Notices

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Excursion notices are emailed to registered electricity market participants when a frequency excursion or voltage excursion occurs on the power system

Subscribe to this page to receive an email notification when a new Excursion Notice is published.  If you wish to receive notification when a CAN or GEN is issued you need to subscribe to these pages separately.

January
Notice Date
Notice EXN Voltage North Island Otahuhu C29 Tripped (PDF 30.12 KB) Date
Notice EXN Voltage North Island Stratford 612 Feeder Tripped (PDF 30.13 KB) Date
Notice EXN Voltage South Island Livingstone Norwood 1 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Kawerau TOPP2 Generation Tripped (PDF 30.15 KB) Date
Notice EXN Voltage North Island Owhata Te Matai Tarukenga 1 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Kaitimako Tarukenga 2 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Hamilton Piako Waihou 1 Auto-reclosed,Hamilton Piako Waihou 2 Auto-reclosed (PDF 30.26 KB) Date
Notice EXN Voltage North Island Bunnythorpe Tangiwai Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Bunnythorpe Tangiwai Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Bunnythorpe Brunswick 2 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Brunswick Stratford 1 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Stratford Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Huntly Stratford Auto-reclosed, StratfordTaumarunui Auto-reclosed, Taumarunui T5 Tripped (PDF 30.25 KB) Date
Notice EXN Voltage North Island Bunnythorpe Tangiwai Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Taumarunui Te Kowhai 1 Auto-reclosed,Taumarunui T8 Tripped (PDF 30.2 KB) Date
Notice EXN Voltage North Island Motunui McKee Stratford 1 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Huntly Stratford Auto-reclosed (PDF 30.15 KB) Date
Notice EXN Frequency South Island Tiwai Reduction Line (PDF 30.77 KB) Date
Notice EXN Voltage South Island Multiple Trippings, Cromwell Frankton 1Auto-reclosed, Cromwell Frankton 2 Auto-reclosed, Frankton T1 Tripped,Frankton T3 Tripped (PDF 30.29 KB) Date
Notice EXN Voltage North Island Ngawha Generation Tripped (PDF 30.14 KB) Date
Notice EXN Frequency South Island Tiwai Reduction Line (PDF 30.77 KB) Date
Notice EXN Frequency South Island Tiwai Reduction Line (PDF 30.77 KB) Date
Notice EXN Voltage South Island Roxburgh Three Mile Hill 2 Auto-reclosed (PDF 30.18 KB) Date
Notice EXN Voltage North Island Mangamaire Woodville Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage South Island Livingstone Norwood 1 Auto-reclosed (PDF 30.15 KB) Date
Notice EXN Voltage North Island Kawerau TOPP2 generation tripped (PDF 30.15 KB) Date
Notice EXN Voltage South Island Coleridge Otira 1 Auto-reclosed (PDF 30.15 KB) Date
Notice EXN Voltage North Island Arapuni Hangatiki Auto-reclosed (PDF 30.24 KB) Date
Notice EXN Frequency North Island Arapuni Hangatiki Auto-reclosed (PDF 30.8 KB) Date
Notice EXN Voltage North Island Arapuni Hangatiki Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Tuai Feeder Auto-reclosed (PDF 30.15 KB) Date
Notice EXN Voltage North Island Ngawha Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Drury Takanini Otahuhu 1 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage South Island Livingstone Norwood 1 Auto-reclosed (PDF 30.15 KB) Date
Notice EXN Voltage South Island Islington Southbrook 1 Auto-reclosed (PDF 30.17 KB) Date

System Operator