• Introduction
• Query tool
• What information is available here?
• How up to date is the information?
• What information is not available here (and how can it be obtained)?
• Disclaimer

Introduction

This page presents summarised electricity market data for the benefit of industry participants and members of the public. These data can be accessed through a query tool – but please read the disclaimer below before proceeding.

All the data available through the query tool are derived from the Centralised Dataset (CDS). Experienced users will likely prefer the full CDS, but casual users may prefer this web interface.

No software is required to use the site, though access to a spreadsheet may be helpful when working with large result sets. Results are generated as tables, and can also be downloaded in CSV format. No graphic output is currently available.

If you have any questions, contact info@electricitycommission.govt.nz with 'CDS Web Interface' in the subject line of your message. Corrections and/or suggestions for improvement are also welcome.

What information is available here?

The data available currently include:

• Historical electricity consumption (total energy, peak) 
• nationally, regionally, or at GXP level 
• Historical electricity generation 
• by generation type, by hydro system, or for individual plant
• HVDC transfers 
• Wholesale nodal prices by GXP 
• Instantaneous reserve prices.
  

All these data are available for annual, monthly or daily time periods.

More Commission data may be added if there is interest (for instance, demand forecasts or generation scenarios). If you want to request enhancements, contact info@electricitycommission.govt.nz with 'CDS Web Interface' in the subject line of your message.

How up to date is the information?

It is not expected that the data on this site will be kept up-to-date from month to month. As a rule, it will always be at least 1 month out of date, and sometimes six months or more (like the full CDS, which is only published twice a year).

Currently, the data cover the period to end of May or June 2010 (the exact period varies depending on the type of data).

If you need up-to-date data, you should contact a commercial provider.

What information is not available here (and how can it be obtained)?

If you want to request other information from the Commission, contact info@electricitycommission.govt.nz.

Disclaimer

This information has been compiled by the Electricity Commission for the purpose of carrying out its obligations and functions under the Electricity Act 1992 and the Electricity Governance Rules 2003 (Rules).

This information has been compiled from raw data, which has been translated and published in a usable form to enable users of the information to benefit from it.

The translation of the raw data may have introduced errors into the information.  Although care has been taken in translating and publishing the information, some errors are inevitable.  Therefore the Commission accepts no liability for any loss that may result from reliance on the information.

The Commission has made available the raw data used in compiling this information on the DVD containing the Centralised Dataset (instructions for obtaining the CDS available are on the CDS page.)

The Commission is providing data supplied to it by others.  While under the Rules participants that provided that information are required to use reasonable endeavours to provide accurate information, the reliability of this information is variable. The Commission and participants who provided information accept no liability for any loss resulting from reliance on any of this information.