The Electricity Authority's transmission pricing methodology (TPM) determines how Transpower recovers the annual cost of running the national transmission grid from transmission customers. The TPM is available on the Authority's website.
Useful information & Information Sheets
| Document | Download |
|---|---|
| Guide to the TPM v2 | View |
| Overview of the TPM v2 | View |
| Transitioning to a new TPM | View |
| Information sheet on treatment of new customers | View |
| Information sheet on prudent discounts | View |
| Information sheet on connection charges under the new TPM v2 | View |
| Information sheet on connection charges: FAC mechanism to address Type 1 FMD v2 | View |
| Information sheet on connection charges: Anticipatory investment and Type 2 FMD v2 | View |
| Information sheet on residual charges v3 | 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 v3 | View |
| Information sheet on benefit-based charges: Covered cost | View |
| Information sheet on transitional price cap | View |
To help people understand the TPM we have prepared the above resources. Over time we will develop and share more information about how the TPM works in practice.
All decision documents, consultation documents, submissions and cross-submissions for past consultation are on our TPM decisions page.
View our Grid Prices page for 2024/25 customer pricing (total charges per customer) and historical grid pricing information.
Questions?
Please email [email protected] if you have any questions about the implementation of the TPM.
Sign up to our TPM newsletter update here: