Transpower are required to have contracts with transmission customers for the provision of their services, as per clauses 12.8-12.25 of the Code.
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About transmission agreements
Any individual transmission agreement entered into by Transpower and a transmission customer must be either:
- consistent with the benchmark agreement (clauses 12.27 to 12.34 of the Code); or
- negotiated between Transpower and the transmission customer and approved by the Electricity Authority.
Schedule 12.1 of the Code identifies designated transmission customers as:
- distribution companies
- major users that are directly connected to the grid
- generation companies that are directly connected to the grid.
Transmission agreements must also be consistent with the grid reliability standards.
If an individual transmission agreement is not signed, a default benchmark agreement applies.
Transpower will start a process to upgrade assets, or to amend transmission agreements, when a connection asset is not expected to continue to meet the grid reliability standards while a transmission agreement applies.
Transpower or transmission customers can refer disputes about transmission agreements, that are not resolved within a reasonable amount of time, to the Rulings panel.