Last updated: 15 Apr 2025
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Last updated: 17 Apr 2025
Invitation to Comment: Draft Ancillary Services Procurement Plan 2025
Closing date for comments 5pm Thursday 8 May 2025.
Last updated: 20 Feb 2024
Invitation to Comment: 2024 Security of Supply Assessment: Reference Case Assumptions and Sensitivities (Closed)
Last updated: 02 Sep 2022
Invitation to Comment: Draft Security of Supply Forecasting and Information Policy and Emergency Management Policy
Closing date for comments on 5pm 26th April 2022
Last updated: 22 Aug 2022
Investor Queries
Contact us if you have any investor queries.
Last updated: 20 Feb 2024
Draft Security of Supply Assessment 2023 (Closed)
Submissions closed 26 May 2023
Last updated: 28 Feb 2025
Reports and Reviews
Transpower's Annual and Interim Reports and Reviews released over the last five years.
Last updated: 22 Sep 2022
Subsidiary companies
Transpower New Zealand Limited and its subsidiary companies are collectively known as the Transpower Group.
Last updated: 12 Dec 2023
Dispatch Service Enhancement Project
Last updated: 18 Aug 2022