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.
2018 controlled storage recovered to above mean levels due to February inflows. Explore further to see the impact this has on energy prices.
Wholesale energy prices fall due to February inflows.
Total demand in 2017, unadjusted for temperature, was greater than previous years for the months of May, June, and July, and just below 2015 in November.
Following increased inflows into controlled catchments from Cyclone Fehi and more recently Gita, national storage has returned to above mean levels.
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.