Performance analysis and data for distributors

Under Section 53B(2)(b) of the Act, the Commerce Commission is required to publish a summary and analysis of information that is publicly disclosed by regulated electricity lines businesses.

The Commission's summary and analysis of disclosures is intended to promote greater understanding of the performance of individual regulated suppliers, their relative performance, and the changes in performance over time.

Performance summaries for electricity distributors

These 29 electricity distributors are required to publically disclose information to help people better understand how the sector is performing.

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Information disclosed from March 2013 to March 2017

The purpose of information disclosure regulation is to ensure that sufficient information is readily available to interested persons to assess whether the purpose of Part 4 of the Commerce Act is being met.

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Profitability of electricity distributors following first adjustments to revenue limits

The purpose of information disclosure regulation is to ensure that sufficient information is readily available to interested persons to assess whether the purpose of Part 4 of the Commerce Act is being met.

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Summary and analysis of information disclosed in March 2013

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Electricity distributors’ performance from 2008 to 2011

Our analysis of electricity distributors’ performance from 2008 to 2011 covers key performance aspects of interest to customers, including revenue, demand, service reliability, and expenditure on the network. The analysis shows trends and comparisons across the industry as a whole, and for individual businesses.

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How mature are electricity distributors’ asset management practices?

Electricity distributors have, for the first time, publicly disclosed self-assessments of the maturity of their asset management practices. These assessments use the asset management maturity assessment tool, or ‘AMMAT’.

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Review of asset management plans

An asset management plan (AMP) is intended to be the principal document that drives an electricity distribution business's (EDB) asset investment planning.

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