Transpower lifts grid emergency after severe solar storm subsides
Wednesday 12 November 2025 · 4 outlets · 4 reports · updated In this story Transpower
Transpower has ended a grid emergency declared on Wednesday following a severe G4-class geomagnetic storm. The storm prompted the operator to temporarily take some South Island electricity transmission lines out of service to protect the grid. No power outages were expected during the event.
