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New Zealand Electricity Industry

[ Last Updated 20 February 2006 ]
Status:Archived

Contents

Major Supply Side Participants

NameNature of BusinessGeneration Capacity (MW)1Retail Customers (No)2
Contact Energy Limited3Generation and retailing2,019380,000
Genesis Power Limited4Generation and retailing1,597450,000
Meridian Energy Limited5Generation and retailing2,323230,000
Mighty River Power Limited6Generation and retailing1,091280,000
Natural Gas Corporation of NZ Limited (NGC)7Generation506Nil
Todd Energy LimitedGeneration and retailing16665,000
TrustPower LimitedGeneration and retailing413280,000
Other generators and retailers 18323,000
Total Generation and Retailing 8,2981,708,000
Transpower New Zealand Limited8Owns and operates the national transmission gridNilNil
The Marketplace Company Limited (M-co)Provides key wholesale market services under contract to market participantsNilNil

With the exception of a small number of large industrial consumers, electricity from the national transmission grid is conveyed to consumers by 33 local distributors (e.g. Vector in central and southern Auckland, United in Auckland and Wellington, and Orion in Christchurch). These companies are not involved in significant generation or retailing.

New Zealand Electricity System

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600x368 GIF; 750x461 GIF; 977x600 GIF; PDF


1  Source: M-co, based on information provided by the companies.

2  Source: M-co, based on information provided by the companies.

3  Contact also owns Empower Limited, an electricity retailer.

4  State-owned enterprise.

5  State-owned enterprise.

6  State-owned enterprise.

7  Until recently, NGC also retailed electricity under the brand "On energy". During the winter, NGC sold its retail operation to Meridian and Genesis.

8  State-owned enterprise.


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