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Excursion Notices

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Excursion notices are emailed out to registered electricity market participants and comprise of the following notice types and :

  • Frequency Excursion Notices
  • Voltage Excursion Notices

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NovemberDate
EXN Voltage North Island Otahuhu Whakamaru 1 Tripped [  27.52 KB ]25/11/2020
EXN Voltage North Island Otahuhu Whakamaru 2 Auto-reclosed [  27.54 KB ]25/11/2020
EXN Voltage North Island Taumarunui Te Kowhai 1 Tripped [  27.52 KB ]25/11/2020
EXN Voltage North Island Huntly Stratford Auto-reclosed [  27.54 KB ]25/11/2020
EXN Voltage North Island Taumarunui Te Kowhai 1 Tripped [  27.52 KB ]25/11/2020
EXN Voltage North Island Huntly Te Kowhai auto-reclosed [  27.55 KB ]25/11/2020
EXN Voltage North Island Huntly Stratford Auto-reclosed [  27.54 KB ]25/11/2020
EXN Voltage South Island Balclutha Halfway Bush 1 Auto-reclosed [  27.56 KB ]24/11/2020
EXN Voltage North Island Te Kaha Waiotahi Auto-reclosed [  27.58 KB ]23/11/2020
EXN Voltage North Island Kinleith Generation Tripped [  27.52 KB ]23/11/2020
EXN Voltage North Island Matahina Generation Tripped [  27.51 KB ]23/11/2020
EXN Voltage North Island Henderson Maungatapere 1 Auto-reclosed [  27.55 KB ]23/11/2020
EXN Voltage North Island Mangahao Generation Tripped, Mangahao T1Tripped, Mangahao Feeder Tripped. [  27.57 KB ]21/11/2020
EXN Voltage South Island Stoke feeder 102 tripped. [  27.52 KB ]20/11/2020
EXN Voltage North Island Te Kaha Waiotahi Auto-reclosed [  27.54 KB ]13/11/2020
EXN Voltage North Island Junction Road Generation Tripped. [  27.53 KB ]12/11/2020
EXN Voltage North Island Matahina generation tripped. [  27.51 KB ]10/11/2020
EXN Voltage South Island Islington Livingstone 1 Auto-reclosed [  27.55 KB ]10/11/2020
EXN Voltage North Island Edgecumbe Tarukenga 1 Auto-reclosed,Edgecumbe Tarukenga 2 Auto-reclosed [  27.58 KB ]10/11/2020
EXN Voltage North Island Edgecumbe Tarukenga 1 Auto-reclosed,Edgecumbe Tarukenga 2 Auto-reclosed [  27.58 KB ]10/11/2020
EXN Voltage North Island Kinleith Tarukenga 1 Auto-reclosed [  27.54 KB ]09/11/2020
EXN Frequency South Island [  28.31 KB ]07/11/2020
EXN Frequency National Tiwai Reduction Line tripped. [  28.21 KB ]04/11/2020
EXN Voltage North Island Ongarue T1 Tripped [  27.55 KB ]02/11/2020
EXN Voltage North Island [  27.51 KB ]01/11/2020
OctoberDate
EXN Voltage North Island Arapuni Generator tripped [  27.52 KB ]31/10/2020
EXN Voltage National Benmore Haywards 2 Tripped [  27.51 KB ]30/10/2020
EXN Voltage South Island Invercargill Roxburgh 2 Auto-reclosed [  27.56 KB ]30/10/2020
EXN Frequency National Huntly generation tripped. [  28.2 KB ]30/10/2020
EXN Voltage North Island [  27.5 KB ]28/10/2020
EXN Voltage North Island Kinleith generation tripped. [  27.5 KB ]25/10/2020
EXN Frequency South Island Tiwai Reduction Line tripped. [  28.21 KB ]24/10/2020
EXN Voltage North Island Glenbrook Generation Tripped [  27.61 KB ]22/10/2020
EXN Voltage North Island Atiamuri Ohakuri Auto-reclosed [  27.52 KB ]21/10/2020
EXN Voltage North Island Penrose STC 1B Tripped [  27.51 KB ]21/10/2020
EXN Voltage South Island Manapouri T6 Tripped [  27.55 KB ]20/10/2020
EXN Voltage South Island Balclutha Gore 1 Auto-reclosed [  27.55 KB ]19/10/2020
EXN Voltage North Island Kopu T4 Tripped [  27.49 KB ]17/10/2020
EXN Voltage North Island Bunnythorpe Woodville 1 Auto-reclosed [  27.57 KB ]17/10/2020
EXN Voltage South Island Islington T3 Tripped [  27.54 KB ]16/10/2020
EXN Voltage North Island Edgecumbe T7 Tripped [  27.5 KB ]15/10/2020
EXN Voltage North Island Maungaturoto T2 Tripped [  27.49 KB ]14/10/2020
EXN Voltage North Island Bunnythorpe 110kV Bus Tripped [  27.52 KB ]13/10/2020
EXN Frequency South Island Tiwai Reduction Line tripped. [  28.32 KB ]13/10/2020
EXN Voltage South Island Waipori generation tripped [  27.5 KB ]09/10/2020
EXN Frequency South Island Tiwai Reduction Line Tripped [  28.32 KB ]09/10/2020
EXN Voltage South Island Coleridge Otira 1 Auto-reclosed [  27.54 KB ]08/10/2020
EXN Voltage South Island Tekapo Generation Tripped. [  27.51 KB ]06/10/2020
EXN Voltage North Island Haywards 11kV feeder fault [  27.57 KB ]06/10/2020
EXN Frequency South Island Tiwai Reduction Line tripped. [  28.32 KB ]06/10/2020
EXN Voltage North Island Maraetai 220kV Bus A tripped. [  27.52 KB ]03/10/2020
EXN Voltage North Island Tangiwai Feeder Tripped [  27.51 KB ]02/10/2020
SeptemberDate
EXN Voltage North Island Ohaaki Generation tripped. [  27.5 KB ]29/09/2020
EXN Voltage North Island [  27.61 KB ]29/09/2020
EXN Voltage South Island Manapouri North Makarewa 3 Auto-reclosed [  27.55 KB ]28/09/2020
EXN Voltage South Island Coleridge Otira 1 Auto-reclosed, ColeridgeOtira 2 Tripped [  27.56 KB ]27/09/2020
EXN Voltage South Island Kumara Otira 1 Tripped, Hokitika Otira 2Tripped [  27.55 KB ]27/09/2020
EXN Voltage North Island Haywards Melling 1 Auto-reclosed, HaywardsMelling 2 Auto-reclosed [  27.7 KB ]27/09/2020
EXN Voltage North Island Ohaaki generation tripped [  27.51 KB ]26/09/2020
EXN Voltage North Island Woodville Waipawa 1 Tripped, Waipawa T2Tripped, Dannevirke T2 Tripped [  27.68 KB ]25/09/2020
EXN Voltage South Island Hokitika Otira 2 Tripped, Kumara Otira 1Tripped [  27.54 KB ]17/09/2020
EXN Voltage North Island Fernhill Tuai 1 Auto-reclosed [  27.74 KB ]17/09/2020
EXN Voltage South Island Coleridge Otira 2 Tripped [  27.62 KB ]17/09/2020
EXN Voltage North Island Whirinaki T3 Tripped [  27.51 KB ]15/09/2020
EXN Voltage South Island Atarau Reefton Inangahua 1 Auto-reclosed [  27.55 KB ]15/09/2020
EXN Voltage South Island Inangahua Kikiwa 2 Auto-reclosed [  27.67 KB ]15/09/2020
EXN Voltage South Island Inangahua Kikiwa 2 Auto-reclosed [  27.66 KB ]15/09/2020
EXN Voltage South Island Dobson Reefton Inangahua 2 Auto-reclosed [  27.6 KB ]15/09/2020
EXN Voltage North Island [  27.53 KB ]15/09/2020
EXN Voltage North Island Junction Road generation tripped [  27.52 KB ]10/09/2020
EXN Voltage North Island Haywards Synchronous Condenser 8 Tripped [  27.55 KB ]10/09/2020
EXN Voltage South Island Manapouri North Makarewa 3 Tripped [  27.52 KB ]09/09/2020
EXN Voltage North Island Pakuranga Whakamaru 2 Tripped [  27.52 KB ]08/09/2020
EXN Voltage South Island Islington Kikiwa 1 Tripped [  27.54 KB ]08/09/2020
EXN Voltage South Island Dobson Reefton Inangahua 2 Auto-reclosed [  27.55 KB ]05/09/2020
EXN Voltage South Island Islington SVC9 tripped. [  27.51 KB ]02/09/2020
AugustDate
EXN Frequency/Voltage South Island Invercargill Roxburgh 1Auto-reclosed [  28.36 KB ]28/08/2020
EXN Voltage South Island Highbank generation tripped. [  27.53 KB ]28/08/2020
EXN Voltage North Island Kaikohe 110kV bus trip [  27.62 KB ]27/08/2020
EXN Voltage South Island Manapouri generator tripped. [  27.52 KB ]24/08/2020
EXN Voltage North Island Tokaanu Whakamaru 1 Auto-reclosed [  27.55 KB ]21/08/2020
EXN Frequency North Island Loss of Stratford generation. [  28.2 KB ]20/08/2020
EXN Voltage South Island Islington Waipara Culverden Kikiwa 3Auto-reclosed [  27.63 KB ]20/08/2020
EXN Voltage North Island Kinleith Generation Tripped [  27.52 KB ]16/08/2020
EXN Voltage North Island Hamilton Whakamaru Auto-reclosed [  27.55 KB ]16/08/2020
EXN Voltage North Island Bunnythorpe Wanganui 2 Tripped, Marton T2Tripped [  27.55 KB ]15/08/2020
EXN Voltage South Island Manapouri generation tripped [  27.51 KB ]14/08/2020
EXN Voltage North Island [  27.61 KB ]11/08/2020
EXN Voltage North Island Stratford Feeder Tripped [  27.52 KB ]08/08/2020
EXN Voltage South Island Islington Static VAR compensator 3 tripped. [  27.55 KB ]07/08/2020
EXN Voltage North Island Paraparaumu T2 Tripped [  27.51 KB ]07/08/2020
EXN Voltage South Island Blenheim Stoke 2 Auto-reclosed [  27.55 KB ]07/08/2020
EXN Voltage South Island Blenheim Kikiwa 1 Auto-reclosed [  27.55 KB ]02/08/2020
EXN Voltage North Island Opunake T4 Tripped, Opunake T5 Tripped [  27.53 KB ]02/08/2020
EXN Voltage South Island Halfway Bush Roxburgh 1 Auto-reclosed [  27.56 KB ]01/08/2020
JulyDate
EXN Voltage South Island Islington Tekapo B Auto-reclosed [  27.55 KB ]31/07/2020
EXN Voltage North Island Stratford 220kV Bus B Tripped [  27.51 KB ]31/07/2020
EXN Voltage North Island Woodville Waipawa 1 Tripped, Dannevirke T2Tripped, Waipawa T2 Tripped [  27.57 KB ]31/07/2020
EXN Voltage North Island Kawerau Ohakuri Tripped [  27.52 KB ]27/07/2020
EXN Voltage North Island Redclyffe CB 112 and CB 78 TrippedFernhillRedclyffe 1 Tripped, Redclyffe Tuai 1 Tripped, Redclyffe T2 Tripped [  27.61 KB ]25/07/2020
EXN Frequency South Island Tiwai Reduction Line [  28.32 KB ]23/07/2020
EXN Voltage North Island Rotorua T2 Tripped, Rotorua T3 Tripped [  27.52 KB ]22/07/2020
EXN Voltage North Island Kinleith Generation Tripped [  27.52 KB ]19/07/2020
EXN Voltage South Island Clyde Roxburgh 1 Tripped [  27.52 KB ]18/07/2020
EXN Voltage South Island Inangahua_Robertson_1 Tripped [  27.53 KB ]18/07/2020
EXN Voltage South Island [  27.62 KB ]16/07/2020
EXN Voltage North Island Te Rapa Co-generation tripped. [  27.56 KB ]15/07/2020
EXN Voltage North Island [  27.53 KB ]15/07/2020
EXN Voltage South Island Invercargill Roxburgh 1 Auto-reclosed [  27.66 KB ]15/07/2020
EXN Voltage North Island Otahuhu Whakamaru 1 Auto-reclosed [  27.65 KB ]14/07/2020
EXN Voltage North Island Henderson Maungatapere 1 Auto-reclosed,Maungaturoto T1 Tripped, Wellsford T2 Tripped [  27.72 KB ]13/07/2020
EXN Voltage North Island Tuai feeder tripped. [  27.51 KB ]11/07/2020
EXN Voltage North Island Bunnythorpe Mataroa Tripped [  27.62 KB ]10/07/2020
EXN Voltage South Island Inangahua Robertson 2 tripped [  27.52 KB ]09/07/2020
EXN Voltage North Island Edgecumbe Owhata 2 Tripped [  27.62 KB ]09/07/2020
EXN Voltage North Island Kinleith generation tripped [  27.62 KB ]09/07/2020
EXN Voltage North Island Henderson Maungatapere 1 Tripped, HendersonMaungatapere 2 Tripped [  27.63 KB ]08/07/2020
EXN Voltage North Island Bunnythorpe Mataroa Auto-reclosed [  27.54 KB ]07/07/2020
EXN Voltage North Island Rotorua Tarukenga 1 Tripped, Rotorua T4Tripped, Rotorua T5 Tripped [  27.55 KB ]07/07/2020
EXN Voltage North Island Otahuhu Whakamaru 2 Auto-reclosed [  27.66 KB ]06/07/2020
EXN Voltage South Island Kumara Generation tripped [  27.51 KB ]06/07/2020
EXN Voltage North Island Marton T1 Tripped, Marton T2 Tripped [  27.68 KB ]05/07/2020
EXN Voltage North Island Henderson Maungatapere 2 Auto-reclosed,Maungaturoto T2 Tripped, Wellsford T1 Tripped [  27.73 KB ]04/07/2020
EXN Voltage North Island Bunnythorpe Paraparaumu Haywards 1Auto-reclosed [  27.57 KB ]03/07/2020
EXN Voltage North Island Kawerau Ohakuri Tripped [  27.52 KB ]02/07/2020
JuneDate
EXN Voltage North Island Whirinaki generation tripped. [  27.52 KB ]30/06/2020
EXN Voltage North Island Kinleith Generation [  27.54 KB ]29/06/2020
EXN Voltage North Island Bunnythorpe Paraparaumu Haywards 2Auto-reclosed [  27.56 KB ]29/06/2020
EXN Voltage North Island Ohakune Ongarue Auto-reclosed [  27.58 KB ]29/06/2020
EXN Voltage North Island Edgecumbe Waiotahi 2 Auto-reclosed [  27.55 KB ]27/06/2020
EXN Voltage North Island Kaitimako Tauranga 2 Auto-reclosed [  27.62 KB ]27/06/2020
EXN Voltage South Island Greymouth Kumara 1 [  27.54 KB ]27/06/2020
EXN Voltage North Island Mokai Generation Tripped [  27.51 KB ]26/06/2020
EXN Voltage North Island Multiple Trippings, Henderson Maungatapere 1Auto-reclosed, Henderson Maungatapere 2 Auto-reclosed, Maungaturoto T2Tripped, Wellsford T2 Tripped [  27.71 KB ]26/06/2020
EXN Voltage South Island Blenheim Kikiwa 1 Tripped [  27.54 KB ]26/06/2020
EXN Voltage North Island Cambridge T4 Tripped [  27.5 KB ]25/06/2020
EXN Frequency South Island Tiwai Reduction Line [  28.23 KB ]25/06/2020
EXN Voltage North Island Otahuhu Whakamaru 2 Auto-reclosed [  27.54 KB ]23/06/2020
EXN Voltage South Island Coleridge Otira 2 Auto-reclosed [  27.54 KB ]23/06/2020
EXN Voltage South Island Islington Kikiwa 1 Auto-reclosed [  27.55 KB ]22/06/2020
EXN Voltage SI Balclutha Halfway Bush autoreclosed [  31.52 KB ]21/06/2020
EXN Voltage North Island Matahina Generation tripped. [  27.51 KB ]20/06/2020
EXN Voltage North Island Edgecumbe Tarukenga 1 Auto-reclosed [  27.55 KB ]20/06/2020
EXN Voltage South Island Oamaru Studholme Waitaki 2 Tripped [  27.6 KB ]17/06/2020
EXN Voltage North Island Penrose STC1 Tripped [  27.51 KB ]17/06/2020
EXN Voltage North Island Hamilton Piako Waihou 2 Auto-reclosed [  27.56 KB ]16/06/2020
EXN Voltage North Island Kawerau Ohakuri Auto-reclosed [  27.54 KB ]16/06/2020
EXN Voltage North Island Otahuhu Whakamaru 1 Auto-reclosed [  27.55 KB ]14/06/2020
EXN Voltage North Island Kinleith generation tripped [  27.51 KB ]09/06/2020
EXN Voltage North Island Henderson T1 low voltage circuit breakertripped. [  27.56 KB ]08/06/2020
EXN Voltage North Island Kaikohe Maungatapere 1 Tripped [  27.53 KB ]08/06/2020
EXN Voltage North Island Arapuni Kinleith 2 Auto-reclosed [  27.55 KB ]07/06/2020
EXN Voltage North Island Stratford Taumarunui Auto-reclosed,Taumarunui T5 Tripped [  27.57 KB ]04/06/2020
EXN Voltage North Island Junction Road generation tripped. [  27.51 KB ]04/06/2020
EXN Voltage North Island Haywards T1 Tripped [  27.51 KB ]03/06/2020
MayDate
EXN Voltage South Island Brydone T2 Tripped [  27.51 KB ]30/05/2020
EXN Voltage North Island Poihipi generation tripped [  27.52 KB ]29/05/2020
EXN Voltage North Island Poihipi generation tripped [  27.5 KB ]29/05/2020
EXN Voltage South Island Tiwai Reduction Line [  27.56 KB ]27/05/2020
EXN Voltage North Island Owhata Te Matai Tarukenga 1 Auto-reclosed [  27.55 KB ]27/05/2020
EXN Voltage South Island Inangahua Robertson street 1 circuit tripped [  27.55 KB ]25/05/2020
EXN Voltage North Island Junction Road generation tripped [  27.59 KB ]25/05/2020
EXN Voltage North Island Mangahao generation tripped [  27.52 KB ]25/05/2020
EXN Voltage North Island [  27.5 KB ]25/05/2020
EXN Frequency South Island Tiwai Reduction Line [  28.32 KB ]24/05/2020
EXN Voltage North Island Junction Road generation tripped [  27.53 KB ]20/05/2020
EXN Voltage North Island Kinleith generation tripped. [  27.52 KB ]18/05/2020
EXN Voltage South Island Naseby generation tripped [  27.52 KB ]18/05/2020
EXN Voltage National HVDC Pole 3 [  27.57 KB ]17/05/2020
EXN Voltage South Island Cobb River Generation tripped. [  27.52 KB ]17/05/2020
EXN Voltage North Island Hamilton T9 Tripped [  27.51 KB ]13/05/2020
EXN Voltage North Island Ohaaki generation tripped [  27.5 KB ]10/05/2020
EXN Voltage North Island Kawerau Geothermal Generation Tripped [  27.55 KB ]06/05/2020
EXN Voltage North Island Opunake Stratford 1 Auto-reclosed [  27.54 KB ]06/05/2020
EXN Voltage North Island Huntly Generator Tripped [  27.52 KB ]05/05/2020
EXN Voltage North Island Kinleith Generation Tripped [  27.54 KB ]04/05/2020
EXN Voltage North Island Arapuni Kinleith 1 Auto-reclosed [  27.55 KB ]04/05/2020
EXN Voltage North Island Kinleith Generation Tripped [  27.54 KB ]04/05/2020
EXN Voltage North Island Opunake Stratford 1 Auto-reclosed, OpunakeStratford 2 Auto-reclosed [  27.59 KB ]04/05/2020
EXN Voltage North Island Waiotahi feeder tripping [  27.51 KB ]04/05/2020
EXN Voltage South Island Inangahua Robertson 2 tripped [  27.52 KB ]04/05/2020
EXN Voltage South Island Greymouth Kumara 1 Tripped [  27.52 KB ]03/05/2020
EXN Voltage South Island Coleridge Otira 2 Auto-reclosed [  27.54 KB ]02/05/2020
EXN Voltage South Island Coleridge Otira 1 Auto-reclosed, ColeridgeOtira 2 Auto-reclosed [  27.57 KB ]02/05/2020
AprilDate
EXN Voltage South Island Tiwai potline tripped. [  27.52 KB ]29/04/2020
EXN Voltage South Island Halfway Bush Roxburgh 1 Auto-reclosed [  27.58 KB ]27/04/2020
EXN Voltage North Island Kinleith generation tripped [  27.52 KB ]27/04/2020
EXN Voltage North Island Kinleith generation tripped [  27.51 KB ]26/04/2020
EXN Voltage North Island Kinleith Generation Tripped [  27.53 KB ]25/04/2020
EXN Voltage South Island Inangahua Kikiwa 1 Auto-reclosed [  27.55 KB ]23/04/2020
EXN Voltage North Island [  27.58 KB ]20/04/2020
EXN Voltage South Island Hokitika Otira 2 Tripped, Kumara Otira 1Tripped [  27.54 KB ]18/04/2020
EXN Voltage North Island Glenbrook Generation tripped. [  27.52 KB ]17/04/2020
EXN Voltage North Island Kinleith Generation tripped. [  27.53 KB ]17/04/2020
EXN Voltage North Island Kinleith Tarukenga 2 Auto-reclosed [  27.54 KB ]17/04/2020
EXN Voltage South Island Oamaru Black Point WaitakiAuto-reclosed.Oamaru T1 Tripped [ Oamaru T1 Tripped 27.6 KB ]13/04/2020
EXN Frequency South Island Tiwai Reduction Line 1 Tripped [  28.22 KB ]13/04/2020
EXN Voltage South Island Islington Tekapo B Auto-reclosed [  27.55 KB ]09/04/2020
EXN Voltage North Island Glenbrook generation tripped [  27.51 KB ]08/04/2020
EXN Voltage National [  27.61 KB ]05/04/2020
EXN Voltage South Island Islington Livingstone 1 Auto-reclosed [  27.56 KB ]01/04/2020
MarchDate
EXN Voltage North Island Rangipo Tangiwai Auto-reclosed [  27.54 KB ]31/03/2020
EXN Frequency/Voltage South Island Manapouri generation tripped. [  28.23 KB ]30/03/2020
EXN Voltage North Island Opunake T4 Tripped, Opunake T5 Tripped [  27.53 KB ]29/03/2020
EXN Voltage South Island Coleridge Otira 2 Auto-reclosed [  27.55 KB ]29/03/2020
EXN Voltage South Island Invercargill Roxburgh 2 Auto-reclosed [  27.55 KB ]28/03/2020
EXN Voltage North Island Junction Road generation tripped. [  27.54 KB ]25/03/2020
EXN Voltage North Island Junction Road generation tripped. [  27.54 KB ]25/03/2020
EXN Voltage South Island Coleridge Otira 1 Auto-reclosed [  27.54 KB ]25/03/2020
EXN Frequency South Island Tiwai Potline Tripped [  28.2 KB ]24/03/2020
EXN Frequency North Island [  28.32 KB ]24/03/2020
EXN Voltage North Island Henderson T1 low voltage circuit breakeropened. [   27.56 KB ]23/03/2020
EXN Voltage South Island Coleridge Otira 1 Auto-reclosed [  27.55 KB ]23/03/2020
EXN Voltage South Island Coleridge Otira 2 Auto-reclosed [  27.54 KB ]22/03/2020
EXN Voltage North Island Kinleith Generation tripped [  27.52 KB ]20/03/2020
EXN Voltage North Island Kinleith Generation tripped [  27.52 KB ]18/03/2020
EXN Frequency South Island [  28.2 KB ]17/03/2020
EXN Voltage North Island [  27.61 KB ]17/03/2020
EXN Voltage North Island Waverley T1 Tripped [  27.51 KB ]15/03/2020
EXN Voltage North Island Mokai Generation tripped. [  27.52 KB ]13/03/2020
EXN Voltage North Island Junction Road generation tripped. [  27.52 KB ]13/03/2020
EXN Frequency South Island Tiwai potine tripped [  28.3 KB ]12/03/2020
EXN Voltage North Island Bunnythorpe Tokaanu 2 Auto-reclosed [  27.55 KB ]12/03/2020
EXN Voltage National Haywards Condensers C3 and C4 [  27.67 KB ]12/03/2020
EXN Frequency North Island HAY 110kV Bus Fault [  28.32 KB ]12/03/2020
EXN Voltage North Island Maungatapere feeder tripping [  27.52 KB ]11/03/2020
EXN Voltage North Island Ohakuri Wairakei 1 Tripped [  27.51 KB ]11/03/2020
EXN Voltage North Island Ohakuri Wairakei 1 Tripped [  27.51 KB ]10/03/2020
EXN Voltage North Island Rangipo Wairakei Auto-reclosed [  27.66 KB ]09/03/2020
EXN Voltage North Island Hamilton Karapiro 1 Tripped [  27.56 KB ]09/03/2020
EXN Voltage North Island Rangipo Wairakei Tripped [  27.52 KB ]08/03/2020
EXN Voltage North Island Kinleith generation and Kinleith T5 tripped [  27.55 KB ]08/03/2020
EXN Voltage North Island Kinleith generation tripped. [  27.52 KB ]07/03/2020
EXN Voltage South Island Studholme Timaru 1 Auto-reclosed [  27.54 KB ]06/03/2020
EXN Voltage North Island Edgecumbe Owhata 2 Auto-reclosed [  27.53 KB ]04/03/2020
EXN Voltage South Island Tiwai potline tripped [  27.5 KB ]02/03/2020
FebruaryDate
EXN Voltage South Island Stoke Feeder tripped. [  27.5 KB ]29/02/2020
EXN Voltage North Island Haywards SC4 tripped [  27.5 KB ]28/02/2020
EXN Frequency North Island Junction Road Power Station system ridethrough test [  28.35 KB ]28/02/2020
EXN Voltage North Island Haywards SC4 tripped [  27.51 KB ]27/02/2020
EXN Voltage North Island [  27.5 KB ]27/02/2020
EXN Voltage North Island Junction Road generation tripped. [  27.52 KB ]26/02/2020
EXN Frequency North Island Kawerau geothermal generation tripped. [  28.22 KB ]25/02/2020
EXN Voltage North Island Mokai generation tripped. [  27.5 KB ]25/02/2020
EXN Voltage North Island Waiotahi T5 and Waiotahi feeders tripped. [  27.57 KB ]25/02/2020
EXN Voltage North Island Greytown 33kV Bus Tripped [  27.56 KB ]24/02/2020
EXN Voltage North Island Bunnythorpe Paraparaumu Haywards 1 Tripped [  27.65 KB ]23/02/2020
EXN Voltage North Island Bunnythorpe Paraparaumu Haywards 1 Tripped [  27.61 KB ]23/02/2020
EXN Voltage National HVDC Pole 3 Tripped [  27.6 KB ]22/02/2020
EXN Voltage National HVDC Pole 2 [  27.58 KB ]22/02/2020
EXN Voltage National Benmore Haywards 1 (HVDC Pole 3) line faultedand restarted [  27.66 KB ]19/02/2020
EXN Voltage National Benmore Haywards 2 (HVDC Pole 2) line faultedand restarted [  27.64 KB ]19/02/2020
EXN Voltage National HVDC Pole 2 Tripped [  27.6 KB ]18/02/2020
EXN Voltage National HVDC Pole 2 Tripped [  27.53 KB ]17/02/2020
EXN Voltage South Island Coleridge T6 Tripped [  27.5 KB ]16/02/2020
EXN Voltage North Island Junction road generation tripped [  27.5 KB ]14/02/2020
EXN Voltage North Island Junction Road Generation tripped. [  27.51 KB ]14/02/2020
EXN Voltage South Island Coleridge Otira 1 Auto-reclosed [  27.54 KB ]13/02/2020
EXN Voltage North Island Hawera Waverley Auto-reclosed [  27.54 KB ]12/02/2020
EXN Voltage South Island North Makarewa Gore Three Mile Hill 1Auto-reclosed [  27.57 KB ]09/02/2020
EXN Frequency National [  28.31 KB ]04/02/2020
EXN Voltage South Island North Makarewa T1 Tripped [  27.5 KB ]04/02/2020
JanuaryDate
EXN Voltage North Island Masterton Upper Hutt 2 Auto-reclosed [  27.54 KB ]31/01/2020
EXN Voltage National Benmore Haywards 1 (HVDC Pole 3) line faultedand restarted [  27.57 KB ]31/01/2020
EXN Voltage South Island Gore 33kV feeder tripped [  27.51 KB ]30/01/2020
EXN Voltage North Island Fernhill Redclyffe 2 Auto-reclosed [  27.55 KB ]30/01/2020
EXN Voltage North Island Bunnythorpe Feeder Tripped [  27.52 KB ]24/01/2020
EXN Voltage North Island Edgecumbe Kawerau 3 Auto-reclosed [  27.55 KB ]22/01/2020
EXN Voltage South Island Halfway Bush Roxburgh 2 Auto-reclosed [  27.56 KB ]21/01/2020
EXN Voltage South Island Atarau Reefton Inangahua 1 Auto-reclosed [  27.57 KB ]20/01/2020
EXN Voltage North Island Kinleith Generation tripped [  27.53 KB ]18/01/2020
EXN Voltage South Island Inangahua Kikiwa 1 Tripped [  27.58 KB ]18/01/2020
EXN Frequency/Voltage South Island Tiwai Reduction Line [  28.32 KB ]18/01/2020
EXN Voltage South Island Coleridge Otira 1 Auto-reclosed [  27.54 KB ]16/01/2020
EXN Voltage South Island North Makarewa T1 Tripped [  27.51 KB ]15/01/2020
EXN Voltage South Island Benmore Generator Tripped [  27.51 KB ]14/01/2020
EXN Voltage South Island Blenheim Kikiwa 1 Auto-reclosed [  27.55 KB ]13/01/2020
EXN Voltage South Island Benmore Generator Tripped [  27.52 KB ]13/01/2020
EXN Voltage North Island Brunswick feeder tripped. [  27.51 KB ]12/01/2020
EXN Voltage South Island Benmore Generator Tripped [  27.52 KB ]12/01/2020
EXN Voltage North Island Kapuni generation tripped [  27.51 KB ]09/01/2020
EXN Voltage South Island Ohau A Generator Tripped [  27.52 KB ]08/01/2020
EXN Voltage North Island Huntly generator tripped [  27.51 KB ]08/01/2020
EXN Voltage North Island Carrington St Huirangi 1 Tripped [  27.56 KB ]08/01/2020
EXN Voltage South Island Balclutha Halfway Bush 1 Tripped [  27.54 KB ]06/01/2020
EXN Voltage South Island Manapouri generation tripped. [  27.53 KB ]03/01/2020
EXN Voltage South Island Timaru 110kV bus trip. [  27.52 KB ]03/01/2020
EXN Voltage South Island Hokitika Kumara 1 Tripped [  27.51 KB ]02/01/2020
EXN Voltage North Island Tokaanu Whakamaru 1 Auto-reclosed [  27.55 KB ]02/01/2020
EXN Voltage South Island Islington SVC 3 tripped [  27.5 KB ]02/01/2020
EXN Voltage South Island Cromwell 33KV CB 1042 and 1082 tripped lose ofsupply to Cromwell [  27.59 KB ]02/01/2020