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A fundamental requirement of competitive and efficient electricity markets is access to reliable data and performance metrics.

This Electricity Market Information website (EMI) is the Electricity Authority's avenue for publishing data, market performance metrics, and analytical tools to facilitate effective decision-making within the New Zealand electricity industry.

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Market insights

New report released - switching league table

The Gisborne region topped the country for the highest rate of residential switches of power suppliers in 2017, up five places on 2016. This consumer activity helped push the country to a new record for the total number of switches in a year at just over 440,000. Check out the annual switching activity summary dashboard for an overview of 2017 changes.

Market segment: Residential Switch type: All switches (combined) Show: Switch rate Time scale: Over previous year
Trending reports
Market share snapshot

Category  - Retail 873 this week

Wholesale energy prices

Category  - Wholesale 663 this week

Market share trends

Category  - Retail 598 this week

Switching breakdown

Category  - Retail 566 this week

Switching summary

Category  - Retail 440 this week

Trending reports
Market share snapshot

Category  - Retail 873 this week

Wholesale energy prices

Category  - Wholesale 663 this week

Market share trends

Category  - Retail 598 this week

Switching breakdown

Category  - Retail 566 this week

Switching summary

Category  - Retail 440 this week