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One of the industry's key roles is to ensure at all times, supply meets demand in the most cost-effective way. Apart from isolated, large-scale industrial facilities, New Zealand's major demand locations (often known as load centers) are in the North Island, particularly Auckland. Demand is mainly influenced by seasonal factors. Extremes of temperature contribute to higher demand as heating and air conditioning units consume more power. Demand growth in New Zealand generally follows gross domestic product growth patterns. However, the small population and industrial base mean major facilities can significantly influence overall demand. The graph below charts New Zealand's average daily demand. This graph is updated weekly, on Wednesday. Please click on the refresh button if the graph does not appear to be updating. Click on a filename below to download the daily demand file for that day. Note that you require an unzipping tool, such as WinZip or gzip to view these files. 03 February 2012       02 February 2012       02 February 2012       01 February 2012       31 January 2012       30 January 2012       29 January 2012       28 January 2012       27 January 2012       27 January 2012       26 January 2012       25 January 2012       24 January 2012       24 January 2012       23 January 2012       23 January 2012       22 January 2012       21 January 2012       20 January 2012       19 January 2012       18 January 2012       18 January 2012       17 January 2012       16 January 2012       15 January 2012       15 January 2012       14 January 2012       13 January 2012                   Click here to download current and previous daily demand files. For further information about demand, please contact managerP@nzx.com or call NZX on +64 4 498 0012.