The Electricity Authority (Māori: Te Mana Hiko) is an independent Crown entity responsible for the regulation of the New Zealand electricity market.

[1] The Authority was established in November 2010, following a government review[2] of the electricity industry, and replaced the Electricity Commission.

The Authority has a narrower focus on industry competition, reliability and efficiency than the Electricity Commission had.

The key functions performed by the Authority[3] are: Functions that were performed by the Commission, but which are undertaken by agencies other than the Authority include: