The New Zealand 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.

Electricity Authority

Agency overview
Formed	November 2010
Headquarters	Level 7, 1 Willis Street, Wellington
Minister responsible	Simeon Brown, Minister for Energy
Agency executive	Sarah Gillies, Chief Executive (Acting)
Website	www.ea.govt.nz

The key functions performed by the Authority^[3] are:

• Registering industry participants
• Developing and administering the Electricity Industry Participation Code
• Monitoring and enforcing compliance with the Code
• Acting as Market Administrator and contracting providers of market operations services
• Facilitating market performance through information, best-practice guidelines and related services; and
• Undertaking sector reviews

Functions that were performed by the Commission, but which are undertaken by agencies other than the Authority include:

• Consumer protection – Consumer Affairs at Ministry of Business, Innovation and Employment
• Electricity efficiency – Energy Efficiency and Conservation Authority
• Reserve energy and emergency campaigns – Transpower
• Security of supply information and forecasting – Transpower
• Transmission network upgrades approval – Commerce Commission