Transmission Pricing Methodology (TPM)

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

Transmission Pricing Methodology (TPM) 2016 -

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The Electricity Authority (EA) will prepare a new cost-benefit analysis as part of its review of Transmission Pricing Methodology (TPM) guidelines. A decision from the EA on these guidelines is anticipated in the first half of 2018. Please refer to the EA’s TPM page for further information.  

Past Transmission Pricing Methodology (TPM) development information

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Information related to past Transmission Pricing Methodology reviews and submissions.

The Electricity Industry Participation Code 2010 provides for both the Electricity Authority and Transpower to review an approved Transmission Pricing Methodology (TPM).