Transmission Pricing Methodology (TPM)

Information related to how the Transmission Pricing Methodology (TPM) is developed.

TPM Development Project

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Information about our current project to develop and propose a new TPM.

Current consultations

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Information about our current consultations, our weekly communications and Q&A for the TPM Development Project.

Earlier engagement

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Information about activity earlier in the TPM Development Project.

Past TPM development information

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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.

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.