Formal Notices

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We send a range of formal notices to registered electricity market participants to let them know about events on the power system that may require them to take action.

We publish the following types of formal notices:

  • Warning Notices (WRN)
  • Grid Emergency Notices (GEN)
  • Grid Emergency Reports (GEN RPT)

Formal notices are published on this page and emailed to registered electricity market participants.  Subscribe to this page to receive formal notices by email when they are published. If you wish to receive notification when a CAN or Excursion Notice is issued you need to subscribe to these pages separately.

December
Notice Date
Notice GEN RPT for Unplanned outage Hawkes Bay (PDF 45.67 KB) Date
June
Notice Date
Notice GEN RPT for Unplanned outage Top of North Island (PDF 45.42 KB) Date
Notice GEN Unplanned outage Top of North Island (PDF 46.95 KB) Date
Notice GEN Unplanned outage Top of North Island (PDF 46.95 KB) Date
Notice GEN Unplanned outage Top of North Island (PDF 46.95 KB) Date
Notice GEN Unplanned outage Top of North Island (PDF 46.53 KB) Date
May
Notice Date
Notice GEN RPT for G5 Extreme Geomagnetic Induced Current event South Island (PDF 116.34 KB) Date
Notice GEN RPT for Extreme (G5) Geomagnetic Induced Current Event inProgress North Island (PDF 118.95 KB) Date
Notice GEN G5 Extreme Geomagnetic Induced Current event South Island (PDF 138.74 KB) Date
Notice GEN Extreme (G5) Geomagnetic Induced Current Event in Progress NorthIsland (PDF 136.38 KB) Date
Notice GEN Extreme (G5) Geomagnetic Induced Current Event in Progress NorthIsland (PDF 136.36 KB) Date
Notice GEN G5 Extreme Geomagnetic Induced Current event South Island (PDF 124.75 KB) Date
Notice GEN Extreme (G5) Geomagnetic Induced Current Event in Progress NorthIsland (PDF 136.34 KB) Date
Notice GEN G5 Extreme Geomagnetic Induced Current event South Island (PDF 135.82 KB) Date
Notice GEN G5 Extreme Geomagnetic Induced Current event South Island (PDF 135.82 KB) Date
Notice GEN Extreme (G5) Geomagnetic Induced Current Event in Progress NorthIsland (PDF 135.61 KB) Date
Notice GEN G4 Severe Geomagnetic Induced Current event South Island (PDF 122.93 KB) Date
Notice GEN G4 Severe Geomagnetic Induced Current event South Island (PDF 120.95 KB) Date
Notice WRN Insufficient Generation offers to meet demand National (PDF 108.11 KB) Date

System Operator