Information about our current development work.
Transmission Pricing Methodology (TPM)
Information related to how the Transmission Pricing Methodology (TPM) is developed.
Our timeline and process are designed to ensure we meet the required delivery date of 30 June 2021.
All information relating to our exploration as to options we may decide to progress as we develop our proposal for a new TPM.
The design principles that will help guide the development of our new TPM proposal.
Information about our Connection Charges Constulation.
Subscribe for regular updates as we progress our work on the TPM, and read past updates.
We're here to answer your questions throughout the development of our proposed TPM. Feel free to send questions to TPM@transpower.co.nz or read our existing answers here.
Information related to past TPM reviews and submissions is below. See our Regulatory Submissions page for information on Transpower's responses to other entities' consultations, proposals and papers.
Our response to the Electricity Authority regarding its invitation to provide evidence about removing Regional Coincident Peak Demand from the Transmission Pricing Methodology.
A joint report from Electricity Authority, Commerce Commission and Transpower representatives.
We commissioned Sapere Research Group to research and consider practical design aspects of an LRMC charge for New Zealand’s Transmission Pricing Methodology.
We recently asked for and received feedback on a consultation paper as part of a proposed operational review of the Transmission Pricing Methodology.
This page contains the submissions made in response to our two consultations as part of our TPM operational review.
In 2012 the Electricity Authority consulted on a new approach to transmission pricing.
The Transpower HVDC Sunk Cost Recovery paper outlines the rationale, in 1999, behind the original methodology used to recover sunk HVDC costs from South Island generators.