DPP4 and DPP3 Reopeners

This page contains links to past and active DPP4 and DPP3 reopener applications and decisions where available.

Active DPP4 Reopeners

Wellington Electricity unforeseeable large project reopener 2025

Horizon's foreseeable large project reopener 2025


Active DPP3 Reopeners

Unison catastrophic event reopener 2025


Completed DPP3 Reopeners

Vector catastrophic event reopener 2025

Firstlight Network catastrophic event reopener 2025

Unison Networks unforeseeable major capex reopener 2024

Wellington Electricity’s unforeseeable capex reopener 2024

Unison unforeseeable large project reopener 2021

Aurora’s quality standard variation proposal 2020

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