Strengthening 91 substation buildings to 67% of the New Building Standard (NBS).

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 Lessons from past events have led Wellington Electricity to further increase strengthening standards for earthquake-risk buildings to ensure that all of our key buildings in our network, including zone substations and other major switching stations, are raised to 67% of the NBS.

Strengthening substation buildings will:

  • Protect the public and workers who operate around and maintain the equipment 
  • Make it easier and safer to access equipment, which will speed up the restoration of power
  • Help equipment to withstand a major earthquake.


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