Excursion Notices

CAPTCHA
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.

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.

December
Notice Date
Notice EXN Voltage South Island Inangahua Kikiwa 1 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage South Island Albury_Tekapo_1 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Bunnythorpe Tokaanu 2 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Frequency North Island Tauhara_Wairakei Tripped,Wairakei_Whirinaki Tripped, Harapaki_Tauhara Tripped. Loss of HawkesBayTauhara Generation Tripped, Harapaki Generation Tripped (PDF 30.98 KB) Date
Notice EXN Voltage North Island Multiple Trippings, Arapuni HangatikiOngarue 1 Auto-reclosed, Arapuni Hangatiki Auto-reclosed (PDF 30.27 KB) Date
Notice EXN Voltage North Island Rangipo Wairakei Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Kinleith T7 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage South Island Islington Kikiwa 1 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Rangipo Wairakei Tripped (PDF 30.19 KB) Date
Notice EXN Voltage North Island Tangiwai T2 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Ohaaki Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Edgecumbe Kawerau 1 Tripped (PDF 30.14 KB) Date
Notice EXN Voltage North Island Ohaaki generation tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Mangamaire Woodville 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 Blenheim Kikiwa 1 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage South Island Multiple Trippings, Hokitika Otira 2Tripped, Kumara Otira 1 Tripped, Hokitika Kumara 1 Tripped (PDF 30.27 KB) Date
Notice EXN Voltage South Island Atarau Reefton Inangahua 1 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage South Island Coleridge Otira 1 Auto-reclosed (PDF 30.15 KB) Date
Notice EXN Voltage North Island Wheao Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage National Benmore Haywards 2 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Wairakei Generation Tripped (PDF 30.15 KB) Date
Notice EXN Voltage South Island Tiwai reduction line tripped (PDF 30.14 KB) Date
Notice EXN Frequency North Island Huntly Generation Tripped (PDF 30.78 KB) Date
Notice EXN Voltage North Island Penrose T6 Tripped (PDF 30.12 KB) Date
November
Notice Date
Notice EXN Voltage North Island Te Huka 3 Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Ngawha Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Ohaaki Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage South Island Gore feeder fault. Load lost at Edendale,Brydone and Gore (PDF 30.19 KB) Date
Notice EXN Voltage South Island Cobb Generation Tripped (PDF 30.12 KB) Date
Notice EXN Voltage North Island Voltage disturbance. Firstlight feeder fault (PDF 30.16 KB) Date
Notice EXN Voltage National Manapouri Generator Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Waiotahi feeder auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Tangiwai T2 Tripped (PDF 30.11 KB) Date
Notice EXN Voltage South Island Blenheim Kikiwa 1 Auto-reclosed (PDF 30.22 KB) Date
Notice EXN Voltage North Island Stratford Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Haywards Synchronous Condenser Tripped (PDF 30.16 KB) Date
Notice EXN Voltage North Island Te Huka 3 generation tripped (PDF 30.12 KB) Date
Notice EXN Voltage North Island Edgecumbe Waiotahi 2 Tripped (PDF 30.19 KB) Date
Notice EXN Voltage North Island Albany SVC 7 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Stratford T9 Tripped (PDF 30.12 KB) Date
Notice EXN Voltage North Island Fernhill Waipawa 2 Auto-reclosed (PDF 30.21 KB) Date
Notice EXN Voltage North Island Fernhill Waipawa 2 Tripped (PDF 30.15 KB) Date
Notice EXN Voltage North Island Tangiwai T2 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage South Island Inangahua Kikiwa 1 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage South Island Tiwai line filters tripped (PDF 30.13 KB) Date
Notice EXN Voltage South Island Clyde Roxburgh 2 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage South Island Clyde Roxburgh 1 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage South Island Tiwai Reduction Line Restoration (PDF 30.13 KB) Date
Notice EXN Frequency South Island Tiwai Reduction Line (PDF 30.76 KB) Date
October
Notice Date
Notice EXN Voltage North Island Tuai Feeder Auto-reclosed (PDF 30.14 KB) Date
Notice EXN Voltage North Island Otahuhu Whakamaru 1 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Otahuhu Whakamaru 2 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage South Island Ashburton Timaru Twizel 2 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage South Island Benmore Haywards 1 Auto-reclosed (PDF 30.15 KB) Date
Notice EXN Voltage South Island Castle Hill Otira 1 tripped (PDF 30.21 KB) Date
Notice EXN Voltage South Island Castle Hill Otira tripped (PDF 30.21 KB) Date
Notice EXN Voltage South Island Coleridge Otira 1 Tripped (PDF 30.21 KB) Date
Notice EXN Voltage South Island Coleridge Otira 2 Tripped, Coleridge Otira 1Auto-reclosed (PDF 30.18 KB) Date
Notice EXN Voltage North Island Wairakei Generation Tripped (PDF 30.14 KB) Date
Notice EXN Voltage North Island Henderson T2 Tripped (PDF 30.12 KB) Date
Notice EXN Voltage South Island Tiwai Reduction Line Tripped (PDF 30.14 KB) Date
Notice EXN Voltage North Island Wairakei Generation Tripped (PDF 30.15 KB) Date
Notice EXN Voltage North Island Matahina Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Rotorua T2 Tripped (PDF 30.11 KB) Date
Notice EXN Voltage South Island Islington Kikiwa 1 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Te Huka 3 Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Te Huka 3 Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Ohakune National Park Ongarue 1Auto-reclosed, National Park T1 Auto-reclosed (PDF 30.22 KB) Date
Notice EXN Voltage North Island Te Huka 3 Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Carrington St Stratford 2 Tripped,Carrington St Junction Rd Stratford 1 Tripped, Carrington St Huirangi 1Tripped, Carrington Stree T2 Tripped (PDF 30.3 KB) Date
Notice EXN Voltage South Island North Makarewa C1 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage South Island Waipara 66kv Bus Fault (PDF 30.18 KB) Date
Notice EXN Voltage North Island Multiple Trippings, Woodville DannevirkeWaipawa 2 Tripped, Waipawa T1 Tripped (PDF 30.22 KB) Date
Notice EXN Voltage North Island Bunnythorpe Tangiwai Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Bunnythorpe Marton Wanganui 2 Tripped (PDF 30.15 KB) Date
Notice EXN Voltage North Island Bunnythorpe Brunswick 1 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 South Island Oamaru Blackpoint Waitaki 1 Auto-reclosed,Oamaru T1 Tripped (PDF 30.21 KB) Date
Notice EXN Voltage North Island Stratford T9 Tripped (PDF 30.12 KB) Date
Notice EXN Voltage North Island Otahuhu Whakamaru 1 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Henderson Maungatapere 2 Auto-reclosed,Maungaturoto T2 Tripped, Wellsford T1 Auto-reclosed (PDF 30.24 KB) Date
Notice EXN Voltage North Island Edgecumbe Owhata 2 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Arapuni Generator tripped (PDF 30.12 KB) Date
Notice EXN Frequency/Voltage South Island Tiwai Reduction Line (PDF 30.79 KB) Date
Notice EXN Voltage North Island Haywards Synchronous Condenser 8 tripped (PDF 30.16 KB) Date
Notice EXN Voltage South Island Cobb generation tripped. (PDF 30.12 KB) Date
September
Notice Date
Notice EXN Voltage South Island Albury Timaru 1 Tripped (PDF 30.2 KB) Date
Notice EXN Voltage North Island Otahuhu Whakamaru 1 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Drury Bombay Huntly 2 Auto-reclosed, BombayT5 tripped. (PDF 30.19 KB) Date
Notice EXN Voltage North Island Kawerau Geothermal Generation Tripped (PDF 30.16 KB) Date
Notice EXN Voltage North Island Fernhill Redclyffe 1 Auto-reclosed, FernhillRedclyffe 2 Auto-reclosed (PDF 30.22 KB) Date
Notice EXN Voltage North Island Rangipo Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Ohakune National Park Ongarue 1Auto-reclosed (PDF 30.18 KB) Date
Notice EXN Voltage North Island Multiple Trippings, Stratford TaumarunuiAuto-reclosed, Taumarunui T5 Tripped (PDF 30.2 KB) Date
Notice EXN Voltage North Island Brunswick Stratford 3 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Bunnythorpe Tokaanu 2 Auto-reclosed,Bunnythorpe Mataroa Tripped (PDF 30.22 KB) Date
Notice EXN Voltage North Island Arapuni Bombay 1 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Huntly Stratford Auto-reclosed, StratfordTaumarunui Auto-reclosed, Taumarunui T5 Tripped (PDF 30.23 KB) Date
Notice EXN Voltage North Island Mangahao Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Ngawha Generation Tripped (PDF 30.13 KB) Date
Notice EXN Frequency North Island Huntly generation tripped (PDF 30.78 KB) Date
Notice EXN Voltage North Island Kopu Feeder Tripped (PDF 30.13 KB) Date
Notice EXN Voltage South Island Halfway Bush Roxburgh 1 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage South Island Tiwai Reduction Line Tripped (PDF 30.14 KB) Date
Notice EXN Frequency South Island Tiwai Reduction Line (PDF 30.79 KB) Date
Notice EXN Voltage South Island EDN 33kV Feeder Fault (PDF 30.12 KB) Date
Notice EXN Voltage North Island Hawera Waverley Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Frequency/Voltage South Island Manapouri Generation Tripped (PDF 30.8 KB) Date
Notice EXN Voltage North Island Kinleith Generation Tripped (PDF 30.14 KB) Date
Notice EXN Voltage South Island Ashburton Timaru Twizel 2 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Poihipi Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Whirinaki Wairakei Auto-reclosed (PDF 30.22 KB) Date
Notice EXN Voltage North Island Arapuni Hangatiki Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Henderson Maungatapere 1 Auto-reclosed,Wellsford T2 Auto-reclosed, Maungaturoto T1 Tripped (PDF 30.25 KB) Date
Notice EXN Voltage North Island Huntly Stratford Auto-reclosed (PDF 30.15 KB) Date
Notice EXN Voltage North Island Ohakune National Park Ongarue 1Auto-reclosed, National Park T1 Auto-reclosed (PDF 30.23 KB) Date
Notice EXN Voltage North Island Huntly Stratford Auto-reclosed (PDF 30.16 KB) Date
August
Notice Date
Notice EXN Voltage North Island Huntly Stratford Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Kinleith Tarukenga 1 Auto-reclosed,Lichfield T1 Tripped (PDF 30.2 KB) Date
Notice EXN Voltage North Island Arapuni Kinleith 2 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage South Island Blenheim Stoke 1 Auto-reclosed, BlenheimStoke 2 Auto-reclosed (PDF 30.2 KB) Date
Notice EXN Voltage South Island Tiwai Reduction Line (PDF 30.16 KB) Date
Notice EXN Voltage North Island Huntly Stratford Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Multiple Trippings, Kapuni Opunake Stratford2 Tripped, Opunake T4 Tripped (PDF 30.21 KB) Date
Notice EXN Voltage South Island Hokitika Capacitor Bank CB1402 Tripped. (PDF 30.17 KB) Date
Notice EXN Voltage South Island Kikiwa STC 2B Tripped (PDF 30.13 KB) Date
Notice EXN Voltage South Island Oamaru T2 Tripped, Waitaki T23 Tripped,Oamaru Studholme Bellspond Waitaki 2 Tripped (PDF 30.26 KB) Date
Notice EXN Voltage South Island Manapouri Generation Tripped (PDF 30.14 KB) Date
Notice EXN Voltage North Island Glenbrook Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage South Island Livingstone Waitaki 1 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage South Island Oamaru Blackpoint Waitaki 1 Tripped, OamaruT1 Tripped (PDF 30.18 KB) Date
Notice EXN Voltage North Island Haywards Synchronous Condenser Tripped (PDF 30.15 KB) Date
Notice EXN Voltage North Island Mangahao Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Haywards T1 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Hawera Patea Tripped (PDF 30.19 KB) Date
Notice EXN Voltage North Island Hepburn Road T2 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Masterton Greytown Upper Hutt 2Auto-reclosed, Masterton Greytown Upper Hutt 1 Auto-reclosed (PDF 30.29 KB) Date
Notice EXN Frequency South Island Tiwai Reduction Line (PDF 30.77 KB) Date
Notice EXN Voltage South Island Blenheim Stoke 2 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage South Island Blenheim Stoke 1 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage South Island Blenheim Stoke 1 Tripped (PDF 30.14 KB) Date
Notice EXN Voltage South Island Blenheim Stoke 2 Tripped (PDF 30.14 KB) Date
Notice EXN Voltage South Island Coleridge Otira 1 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Tuai Feeder Auto-reclosed (PDF 30.21 KB) Date
Notice EXN Voltage North Island Kawerau Geothermal Generation Tripped (PDF 30.16 KB) Date
Notice EXN Frequency/Voltage South Island Manapouri Generation Tripped (PDF 30.87 KB) Date
Notice EXN Voltage South Island Oamaru Blackpoint Waitaki 1 Tripped, OamaruT1 Tripped (PDF 30.22 KB) Date
Notice EXN Voltage North Island Kinleith Generation Tripped (PDF 30.15 KB) Date
Notice EXN Voltage North Island Tokaanu Generation Tripped (PDF 30.15 KB) Date
Notice EXN Voltage North Island Upper Hutt T1 Tripped (PDF 30.12 KB) Date
Notice EXN Voltage North Island Tauhara Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Kinleith Tarukenga 1 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage South Island Stoke Feeder fault (PDF 30.12 KB) Date
Notice EXN Voltage North Island Whirinaki Generation Tripped (PDF 30.14 KB) Date
Notice EXN Voltage North Island Junction Road Generation Tripped (PDF 30.15 KB) Date
Notice EXN Voltage South Island Inangahua Kikiwa 1 Auto-reclosed (PDF 30.28 KB) Date
July
Notice Date
Notice EXN Voltage North Island Huntly Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Maraetai Bus Fault (PDF 30.12 KB) Date
Notice EXN Voltage North Island Arapuni Bombay 1 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Kawerau Ohakuri Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Frequency National Clyde Generation Tripped (PDF 30.81 KB) Date
Notice EXN Voltage South Island Tiwai reduction line tripped. (PDF 30.13 KB) Date
Notice EXN Voltage North Island Marsden Maungatapere 2 Auto-reclosed (PDF 30.15 KB) Date
Notice EXN Frequency South Island Tiwai reduction line tripped (PDF 30.78 KB) Date
Notice EXN Voltage North Island Edgecumbe Waiotahi 2 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Atiamuri Ohakuri Auto-reclosed (PDF 30.15 KB) Date
Notice EXN Voltage North Island Redclyffe Tuai 1 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Redclyffe Tuai 2 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage South Island Blenheim Stoke 1 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Hamilton Karapiro 1 Tripped (PDF 30.18 KB) Date
Notice EXN Voltage North Island Maungaturoto T1 Tripped, Maungaturoto T2Tripped (PDF 30.2 KB) Date
Notice EXN Voltage North Island Arapuni Hangatiki Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Arapuni Hamilton 2 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage South Island Halfway Bush Roxburgh 1 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Penrose STC 1A Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Arapuni Hangatiki Auto-reclosed (PDF 30.15 KB) Date
Notice EXN Voltage North Island Penrose STC 1A Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Arapuni Hangatiki Auto-reclosed (PDF 30.49 KB) Date
Notice EXN Voltage North Island Arapuni Hangatiki Auto-reclosed (PDF 30.22 KB) Date
June
Notice Date
Notice EXN Voltage North Island Otahuhu Whakamaru 1 Tripped (PDF 30.14 KB) Date
Notice EXN Voltage North Island Arapuni Bombay 1 Tripped (PDF 30.14 KB) Date
Notice EXN Frequency National Huntly Generation Tripped (PDF 30.78 KB) Date
Notice EXN Voltage North Island Waiotahi T5 Tripped (PDF 30.11 KB) Date
Notice EXN Voltage North Island Multiple Trippings, Kawerau Matahina 2Auto-reclosed, Matahina Generation Tripped (PDF 30.23 KB) Date
Notice EXN Voltage North Island Otahuhu Whakamaru 2 Tripped (PDF 30.15 KB) Date
Notice EXN Voltage South Island Gore Feeder Tripped (PDF 30.12 KB) Date
Notice EXN Voltage North Island McKee Generation Tripped (PDF 30.14 KB) Date
Notice EXN Voltage North Island Arapuni Bombay 1 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Kopu T3 Tripped (PDF 30.16 KB) Date
Notice EXN Voltage North Island Masterton Feeder Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Huapai Marsden 1 Tripped (PDF 30.25 KB) Date
Notice EXN Voltage North Island Haywards T1 Tripped (PDF 30.12 KB) Date
Notice EXN Voltage North Island Otahuhu Whakamaru 2 Tripped (PDF 30.14 KB) Date
Notice EXN Voltage North Island Aniwhenua Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage South Island Tiwai Reduction Line Tripped (PDF 30.14 KB) Date
Notice EXN Voltage North Island Mokai Generation Tripped (PDF 30.14 KB) Date
Notice EXN Frequency South Island Tiwai Reduction Line Tripped (PDF 30.78 KB) Date
Notice EXN Voltage North Island Central Park T3 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage South Island Atarau Reefton Inangahua 1 Tripped, DobsonReefton Inangahua 2 Tripped (PDF 30.18 KB) Date
Notice EXN Voltage South Island Invercargill Roxburgh 2 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Hamilton Karapiro 1 Tripped, Cambridge T4Tripped (PDF 30.17 KB) Date
Notice EXN Voltage South Island Coleridge Otira 1 Auto-reclosed (PDF 30.15 KB) Date
Notice EXN Frequency South Island Tiwai Line 2 tripped (PDF 30.77 KB) Date
Notice EXN Frequency South Island Tiwai Reduction Line (PDF 30.82 KB) Date
Notice EXN Voltage North Island Arapuni Hamilton 1 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Otahuhu Whakamaru 2 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Otahuhu Whakamaru 1 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Wairau Road T7 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Wairau Road T7 Tripped (PDF 30.13 KB) Date
May
Notice Date
Notice EXN Voltage North Island Otahuhu Southdown Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Otahuhu C31 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage South Island Roxburgh Three Mile Hill 2 Auto-reclosed (PDF 30.18 KB) Date
Notice EXN Voltage South Island Roxburgh Three Mile Hill 2 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage South Island Roxburgh Three Mile Hill 1 Tripped (PDF 30.15 KB) Date
Notice EXN Voltage South Island Roxburgh Three Mile Hill 1 Auto-reclosed (PDF 30.18 KB) Date
Notice EXN Voltage South Island Roxburgh Three Mile Hill 1 Auto-reclosed (PDF 30.18 KB) Date
Notice EXN Voltage North Island Kinleith Generation Tripped (PDF 30.15 KB) Date
Notice EXN Voltage North Island Kinleith Generation Tripped (PDF 30.15 KB) Date
Notice EXN Voltage North Island Otahuhu Whakamaru 1 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Hinuera Karapiro Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Harapaki Generation Tripped (PDF 30.14 KB) Date
Notice EXN Voltage North Island Wheao Generation Tripped (PDF 30.14 KB) Date
Notice EXN Voltage North Island Multiple Trippings, Atiamuri Tarukenga 1Tripped, Atiamuri Tarukenga 2 Auto-reclosed (PDF 30.23 KB) Date
Notice EXN Voltage North Island Kinleith Tarukenga 1 Auto-reclosed,Lichfield T1 Tripped (PDF 30.26 KB) Date
Notice EXN Voltage North Island Kinleith Tarukenga 2 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage South Island Coleridge Hororata 2 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage South Island Waitaki Generation Tripped (PDF 30.14 KB) Date
Notice EXN Voltage North Island Otahuhu Whakamaru 1 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Aniwhenua Generation Tripped (PDF 30.14 KB) Date
Notice EXN Voltage North Island Kaitimako Tarukenga 1 Tripped (PDF 30.15 KB) Date
Notice EXN Voltage South Island Tekapo B Generation Tripped (PDF 30.14 KB) Date
Notice EXN Voltage South Island Kimberley CB 4902 Tripped (PDF 30.19 KB) Date
Notice EXN Voltage South Island Kimberley CB 4922 tripped. (PDF 30.14 KB) Date
Notice EXN Frequency/Voltage National Tiwai Reduction Line Tripped (PDF 30.81 KB) Date
Notice EXN Voltage North Island Ohakune Feeder Tripped (PDF 30.17 KB) Date
Notice EXN Voltage North Island Haywards Synchronous Condenser tripped (PDF 30.16 KB) Date
Notice EXN Voltage North Island Waiotahi feeder auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Otahuhu Whakamaru 2 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Matahina Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Haywards Feeder Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Stratford Generation Tripped (PDF 30.13 KB) Date
Notice EXN Frequency South Island (PDF 30.78 KB) Date
Notice EXN Voltage North Island Mangahao Generation Tripped (PDF 30.15 KB) Date
Notice EXN Voltage South Island Ashburton 220kV Busses B and C tripped (PDF 30.16 KB) Date
Notice EXN Voltage North Island Waiotahi Feeder tripped (PDF 30.13 KB) Date
Notice EXN Frequency South Island Tiwai Reduction Line Tripped (PDF 30.79 KB) Date
Notice EXN Voltage North Island Bunnythorpe Mataroa Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage South Island Highbank Generation Tripped (PDF 30.14 KB) Date
April
Notice Date
Notice EXN Frequency National TWI Potline tripped. (PDF 30.8 KB) Date
Notice EXN Frequency National Tiwai Potline Tripped (PDF 30.79 KB) Date
Notice EXN Voltage North Island Otahuhu Whakamaru 2 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage South Island Coleridge Otira 1 Auto-reclosed (PDF 30.15 KB) Date
Notice EXN Voltage South Island Highbank Generation Tripped (PDF 30.15 KB) Date
Notice EXN Voltage North Island Bunnythorpe Mataroa Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island McKee generator tripped (PDF 30.13 KB) Date
Notice EXN Voltage South Island Invercargill Roxburgh 2 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Arapuni Hangatiki Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage South Island Kumara generation tripped. (PDF 30.14 KB) Date
Notice EXN Frequency South Island Tiwai Reduction Line (PDF 30.77 KB) Date
Notice EXN Voltage North Island Otahuhu Whakamaru 1 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Bunnythorpe Paraparaumu Haywards 1Auto-reclosed (PDF 30.23 KB) Date
Notice EXN Voltage South Island Livingstone Norwood 1 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage South Island Edendale Invercargill 1 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Frequency National HLY Generation unit tripped (PDF 30.81 KB) Date
Notice EXN Voltage North Island Henderson Maungatapere 1 Auto-reclo (PDF 30.26 KB) Date
Notice EXN Frequency Voltage North Island Arapuni Hamilton (PDF 30.81 KB) Date
Notice EXN Voltage North Island Kinleith Generation Tripped. (PDF 30.15 KB) Date
Notice EXN Voltage South Island Oamaru Blackpoint Waitaki (PDF 30.18 KB) Date
Notice EXN Voltage North Island Haywards Synchronous Condenser (PDF 30.16 KB) Date
March
Notice Date
Notice EXN Voltage South Island Islington Tekapo B Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage South Island Oamaru Blackpoint Waitaki (PDF 30.16 KB) Date
Notice EXN Voltage North Island Kinleith Generation Tripped (PDF 30.15 KB) Date
Notice EXN Voltage South Island Tiwai Reduction Line Restoration (PDF 30.15 KB) Date
Notice EXN Voltage North Island Marsden STC 5 Tripped (PDF 30.12 KB) Date
Notice EXN Voltage South Island Brydone C1 Tripped (PDF 30.12 KB) Date
Notice EXN Voltage South Island Coleridge Otira 1 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Kinleith Tarukenga 2 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Hawera Stratford Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Frequency Huntly Generation Tripped (PDF 107.04 KB) Date
Notice EXN Voltage North Island Hamilton T8 Tripped (PDF 30.12 KB) Date
Notice EXN Voltage South Island Gore Feeders Tripped (PDF 30.12 KB) Date
Notice EXN Voltage North Island Stratford 110kV Bus A2 Tripped (PDF 30.14 KB) Date
Notice EXN Voltage North Island Tararua Wind Farm tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Arapuni Hangatiki Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Aniwhenua generation tripped. (PDF 30.13 KB) Date
Notice EXN Frequency South Island Tiwai Potline returning (PDF 30.78 KB) Date
Notice EXN Voltage South Island Hokitika Kumara 1 Tripped (PDF 30.14 KB) Date
Notice EXN Voltage South Island Southbrook Waipara 1 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Fernhill Tuai 1 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage South Island Livingstone Norwood 1 Auto-reclosed (PDF 30.16 KB) Date
February
Notice Date
Notice EXN Voltage North Island Huntly Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage South Island Hokitika Kumara 1 Tripped (PDF 30.12 KB) Date
Notice EXN Voltage South Island Coleridge Otira 1 Auto-reclosed (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 Kinleith Generation Tripped (PDF 30.14 KB) Date
Notice EXN Voltage North Island Haywards Wilton Linton 1 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage South Island Livingstone Norwood 1 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Matahina Generation Tripped (PDF 30.12 KB) Date
Notice EXN Voltage North Island Te Mihi Generation Tripped (PDF 30.12 KB) Date
Notice EXN Voltage South Island Bromley Islington 1 Tripped, AshburtonBromley 1 Tripped (PDF 30.18 KB) Date
Notice EXN Voltage North Island (PDF 30.14 KB) Date
Notice EXN Voltage North Island Bunnythorpe Tokaanu 1 Auto-reclosed, RangipoTangiwai Tripped, Rangipo Wairakei Tripped (PDF 30.25 KB) Date
Notice EXN Voltage South Island Livingstone Norwood 1 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Haywards SC 7 tripped. (PDF 30.12 KB) Date
January
Notice Date
Notice EXN Voltage South Island Brydone C4 Tripped (PDF 30.12 KB) Date
Notice EXN Voltage North Island Waiotahi Feeder tripped. (PDF 30.13 KB) Date
Notice EXN Voltage South Island Hokitika Kumara 1 Tripped (PDF 30.14 KB) Date
Notice EXN Voltage North Island Carrington Street 33kV feeder tripped,Carrington Street T4 tripped (PDF 30.19 KB) Date
Notice EXN Frequency/Voltage South Island Tiwai reduction line tripped (PDF 30.8 KB) Date
Notice EXN Voltage South Island Islington SVC9 Tripped, Hororata FeederTripped (PDF 30.17 KB) Date
Notice EXN Voltage North Island HAY SC4 Tripped (PDF 30.43 KB) Date
Notice EXN Voltage North Island HAY SC7 Tripped. (PDF 30.13 KB) Date
Notice EXN Voltage South Island Clyde 33kV feeders tripped (PDF 30.14 KB) Date
Notice EXN Voltage North Island Tokaanu Whakamaru 1 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Ohakune National Park Ongarue 1Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage South Island Livingstone Norwood 1 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage South Island Islington Norwood 1 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Bunnythorpe Tokaanu 2 Auto-reclosed (PDF 30.16 KB) Date
Notice EXN Voltage North Island Huntly Stratford Auto-reclosed (PDF 30.15 KB) Date
Notice EXN Voltage North Island Stratford Taumarunui Auto-Reclosed,Taumarunui T5 Tripped (PDF 30.18 KB) Date
Notice EXN Voltage North Island Bunnythorpe Tokaanu 2 Auto-reclosed (PDF 30.17 KB) Date
Notice EXN Voltage North Island Bunnythorpe Tokaanu 2 Auto-reclosed,Bunnythorpe Tokaanu 1 Auto-reclosed (PDF 30.22 KB) Date
Notice EXN Voltage North Island Te Mihi Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Whirinaki Generation Tripped (PDF 30.14 KB) Date
Notice EXN Voltage North Island Poihipi Generation Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Haywards STC31 tripped (PDF 30.14 KB) Date
Notice EXN Voltage North Island Te Kaha Feeder Autoreclosed. (PDF 30.13 KB) Date
Notice EXN Voltage North Island Maraetai Bus Tripped. (PDF 30.14 KB) Date
Notice EXN Voltage North Island Te Ahi O Maui generation tripped. (PDF 30.14 KB) Date
Notice EXN Voltage North Island Maraetai Bus Tripped (PDF 30.14 KB) Date
Notice EXN Voltage South Island Islington SVC3 Tripped (PDF 30.13 KB) Date
Notice EXN Voltage North Island Matahina Generation Tripped (PDF 30.13 KB) Date

System Operator