Last updated: 02 May 2025
System events and assessments
Assessments and reports on system events and situations that might pose risks to system operations
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01 Mar 2023
News from Transpower - March 2023
27 Feb 2023
Transpower releases half-year results
Last updated: 17 Feb 2023
Regulation
Regulation ensures quality and value for New Zealanders.
Last updated: 21 Dec 2023
Our proposed five-year workplan
Our regulatory control period four (RCP4) proposal for 2025-2030.
Last updated: 04 Mar 2024
An independent System Operator
The System Operator function of Transpower must remain separate from the Grid Owner function of Transpower. Read more about this here.
Last updated: 16 Feb 2023
TPM development: Design Principles consultation
We developed the following design principles to help guide the development of a new TPM proposal, as we made necessary trade-offs between options which otherwise comply with the TPM Guidelines.