Suppliers of electricity lines services are subject to regulatory provisions under the Commerce Act 1986.

In this section...

Key information – distribution

Current determinations, reports and supporting information.

Read more

Electricity default price-quality path

Electricity distribution businesses, as suppliers of electricity lines services, are subject to default price-quality paths set by the Commission.

Read more

Customised price-quality paths

A supplier that is, or is likely to be, subject to a default price-quality path may make a proposal to the Commission for a customised price-quality path.

Read more

Electricity transmission

Transpower is regulated under Part 4 of the Commerce Act 1986 by way of individual price-quality regulation. This took effect on 1 April 2011. The individual price-quality path governs Transpower's revenues for each pricing year, with the paths being reset either every four or five years. The individual price-quality path was reset for the 2015-2020 regulatory period on 1 April 2015.

Transpower input methodologies support the individual price-quality regulation.

Under subpart 9 of the Part 4 of the Commerce Act, Transpower is also subject to information disclosure regulation.

Read more