Last updated: 30 Apr 2025
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Last updated: 30 Apr 2025
Pricing Adjustments
Last updated: 30 Apr 2025
Calculating Charges
Last updated: 30 Apr 2025
Understanding Pricing
Last updated: 30 Apr 2025
Connecting to the Grid
Last updated: 04 Jun 2025
Settlement Residue Allocation Methodology
How Transpower allocates settlement residue to customers from the Clearing Manager (NZX) under Part 14 of the Electricity Industry Participation Code 2010
Last updated: 04 Jun 2025
Grid prices
Information on current and historical grid prices
Last updated: 10 Jul 2025
Industry updates
Each month we release an e-newsletter with the latest information from Transpower.
Last updated: 03 Jul 2025
About the TPM
The TPM determines how Transpower recovers the annual cost of running the national transmission grid from transmission customers
Last updated: 28 Nov 2023
Supplier Information
We work with suppliers from around New Zealand and abroad to supply goods, services, and works.