Wholesale market

We develop policy, code provisions and systems for the buying and selling of wholesale electricity and for managing security of supply.


We determine transmission pricing policy and grid reliability standards.


We oversee distributors' interactions with other industry participants and the parts of their operation that have obligations under the Code.

Retail market

We oversee the processes that deal with accuracy of metering, meter reading and customer switching between retailers - including ways to minimise entry barriers to new retailers.

Industry participants

Participants in the electricity industry must register with us and be listed on the industry participant register.

Market operation service providers

We contract a range of market operation service providers to operate the electricity markets.