On 12 April 2022, the Electricity Authority (Authority) announced its decision to adopt a new Transmission Pricing Methodology (TPM). Transpower is now working to implement the new TPM into prices that will take effect from 1 April 2023. The Authority's decision paper and the new TPM are available on the Authority's website.
The TPM determines how Transpower recovers the annual cost of running the national transmission grid from transmission customers.
Useful information
Document | Download |
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Guide to the TPM v2 (NEW) | View |
Overview of the TPM | View |
Transitioning to a new TPM | View |
Information sheet on prudent discounts (NEW) | View |
Information sheet on connection charges under the new TPM v2 (NEW) | View |
Information sheet on connection charges: FAC mechanism to address Type 1 FMD v2 (NEW) | View |
Information sheet on connection charges: Anticipatory investment and Type 2 FMD v2 (NEW) | View |
Information sheet on residual charges v3 (NEW) | View |
Information sheet on benefit-based charges: Simple method v2 | View |
Information sheet on benefit-based charges: Standard method | View |
Information sheet on benefit-based charges: Appendix A BBI | View |
Information sheet on benefit-based charges: Adjustments v2 (NEW) | View |
Information sheet on benefit-based charges: Covered cost | View |
Information sheet on transitional price cap | View |
To help people understand the new TPM we have prepared the above resources. Over time, and as we work to implement the new TPM into prices, we intend to develop and share more information about how it will work in practice.
You can find our updated consultation schedule on our TPM current consultations page. All decision documents, consultation documents, submissions and cross-submissions for past consultation are on our TPM decisions page.
View our Grid Pricing page for 2023/24 customer pricing (total charges per customer). Prior indicative pricing updates are here.
Questions?
Please email [email protected] if you have any questions about the implementation of the new TPM.
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