2025 Transpower individual price-quality path

Transpower’s price-quality path that will apply revenue limits and quality standards from 2025.

This is the fourth regulatory period in which Transpower has an individual price-quality path in place.

Transpower’s price-quality path was set in 2024 for the current regulatory period, which commenced 1 April 2025.

On 29 August 2024 we published our RCP4 Final Decision on expenditure allowances, quality standards, compliance obligations, IPP-specific information disclosure requirements, and the revenue path design.

On 20 November 2024, we published our RCP4 Final Determination and Companion paper.

On 4 December 2025, we published our final amendment determination to the Transpower Individual Price-Quality Path 2025, related to the delivery risk adjustment.

On 1 September 2026, we published our consolidated version of the Transpower RCP4 2025 determination, to include changes made by the Government Grants related to income amendment determination.

You can find all documents detailed under the ‘Documents tab’ below.



Presentation to stakeholders and media: Draft decisions for the Transpower RCP4 - hosted by Commissioner Vhari McWha

Understanding how changes to lines charges may impact your electricity bill

Joint RCP4 - DPP4 Draft Decisions Stakeholder slides 29 May 2024 ( 1.4 MB, PDF )