Market Insights

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Transpower’s Market Insights team supports the operation of the wholesale electricity market, helps implement market initiatives, and investigates how future market developments may impact System Operations. This page is intended as a source for Electricity Market information we are able to make available to our external customers. This includes new types of information, as well as links to information posted elsewhere on the Transpower website.

If you have any comments or questions please contact the Market Insights Team at Market.Operations@transpower.co.nz.

Market Summary

Most Recent Reports (the last five)

15 June 2021 [ pdf 664.47 KB ]
6 June 2021 [ pdf 794.62 KB ]
30 May 2021 [ pdf 1.19 MB ]
23 May 2021 [ pdf 555.74 KB ]
16 May 2021 [ pdf 626.62 KB ]

Market Matters

These reports provide technical explanations and market observations for traders and analysts.

Most Recent Reports(the last four)

Gas Outlook for Electricity Generation and Security of Supply 2021 [ pdf 950.59 KB ]
Effect of La Nina and El Nino on New Zealand Hydrological Inflows [ pdf 648.61 KB ]
Thermal and Water Behaviour Article [ pdf 468.51 KB ]
Lockdown demand changes [ pdf 411.08 KB ]

Market Q and A

These articles provide short responses to queries we have received, which may be of interest to market participants.

Price Separation while HVDC in monopole,  Scenario 1: Price Inversion [ pdf 178.58 KB ]

HVDC Utilisation Reports

April 2019 Report [ pdf 901.78 KB ]
March 2019 Report [ pdf 880.28 KB ]
February 2019 Report [ pdf 912.34 KB ]
January 2019 Report [ pdf 870.04 KB ]
December 2018 Report [ pdf 878.53 KB ]
November 2018 Report [ pdf 956.72 KB ]
October 2018 Report [ pdf 936.08 KB ]
September 2018 Report [ pdf 1.04 MB ]
August 2018 Report [ pdf 1.11 MB ]
July 2018 Report [ pdf 1.08 MB ]

Markets 101

SOS101 - Electricity Risk Curves.  Presenting Information [ pdf 432.7 KB ]
SOS101 - Introduction to the Electricity Risk Curves  [ pdf 409.47 KB ]
SOS101 - Thermal Fuel Assumptions [ pdf 605.61 KB ]
SOS101 - Contingent Storage [ pdf 175.52 KB ]
SOS101 - Demand Forecast [ pdf 157.58 KB ]
SOS101 - Generation Assumptions [ pdf 122.02 KB ]
SOS101 - Generator Outages [ pdf 87.03 KB ]
SOS101 - Risk Meter [ pdf 140.98 KB ]
SOS101 - Transmission Assumptions [ pdf 122.29 KB ]
SOS101 - Impact of Assumptions [ pdf 380.22 KB ]
SOS101 - Simulated Storage Trajectories [ pdf 368.38 KB ]
Market 101 - Part 1 The Market and The Spot Price [ pdf 688.11 KB ]
Market 101 - Part 2 Locational Marginal Pricing [ pdf 500.59 KB ]
Market 101 - Part 3 Co-optimisation of Energy and Reserves [ pdf 527.64 KB ]
Summary of inputs into Schedules [ pdf 316.48 KB ]

Load Forecast Accuracy Reports

Load Forecast Accuracy Reporting Page