How common are islandings and transmission tower failures in the NEM?
In light of recent events, Dan Lee does some digging to find historical incidences of islandings and transmission tower failures.
transmission damaged
Palmerston to Waddamana lines returned to service on December 2, 2022
A successful return to service for the Waddamana to Palmerston 220 kV lines following damage sustained during landslides on 14 October 2022.
A quick (interim) review of the ~7 days living on the SA island + some broader questions to explore later
Yesterday’s note from ElectraNet prompted this initial summary of some of what we’ve seen happen with the SA islanding event over the last 12 days.
SA islanding ends, on Saturday evening 19th November 2022
On Saturday evening 19th November 2022 the Heywood interconnector returned to service following temporary repairs to the tower damaged on Saturday 12th November.
A quick review of the sequence of events in SA immediately around the islanding on Saturday 12th November 2022
Fifth article for Monday 14th November 2022 … taking a quick initial look at the sequence of events immediately around the islanding in South Australia on Saturday 12th November 2022.
ElectraNet update at midday on Sunday 13th November 2022
Electranet have posted a short update in the middle of the day, Sunday 13th November 2022.
ElectraNet tweets about tower damage near Tailem Bend (out for a week)
Second article in a growing series about the islanding of South Australia from Saturday 12th November 2022.