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
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Most Recent Reports (the last five) |
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 18 October 2020 [ pdf 980.56 KB ] |
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| 11 October 2020 [ pdf 791.24 KB ] |
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| 4 October 2020 [ pdf 808.32 KB ] |
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| 27 September 2020 [ pdf 982.81 KB ] |
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| 20 September 2020 [ pdf 944.11 KB ] |
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Market Matters
These reports provide technical explanations and market observations for traders and analysts.
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Most Recent Reports(the last four) |
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| Effect of La Nina and El Nino on New Zealand Hydrological Inflows [ pdf 648.61 KB ] |
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| Thermal and Water Behaviour Article [ pdf 468.51 KB ] |
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| Lockdown demand changes [ pdf 411.08 KB ] |
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| Salt Deposits on HVDC Insulators [ pdf 594.94 KB ] |
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Market Q and A
These articles provide short responses to queries we have received, which may be of interest to market participants.
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HVDC Utilisation Reports
| April 2019 Report [ pdf 901.78 KB ] |
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| March 2019 Report [ pdf 880.28 KB ] |
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| February 2019 Report [ pdf 912.34 KB ] |
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| January 2019 Report [ pdf 870.04 KB ] |
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| December 2018 Report [ pdf 878.53 KB ] |
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| November 2018 Report [ pdf 956.72 KB ] |
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| October 2018 Report [ pdf 936.08 KB ] |
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| September 2018 Report [ pdf 1.04 MB ] |
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| August 2018 Report [ pdf 1.11 MB ] |
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| July 2018 Report [ pdf 1.08 MB ] |
Markets 101
| HRC 101 - Part 1 Introduction to the Hydro Risk Curves [ pdf 356.8 KB ] |
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| HRC 101 - Part 2 Thermal Fuel Assumptions [ pdf 490.79 KB ] |
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| HRC 101 - Part 3 Contingent Storage [ pdf 372.62 KB ] |
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| HRC 101 - Part 4 Demand Forecast [ pdf 619.98 KB ] |
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| HRC 101 - Part 5 Generation Assumptions [ pdf 279.3 KB ] |
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| HRC 101 - Part 6 Generator Outages [ pdf 273.01 KB ] |
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| HRC 101 - Part 7 Transmission Assumptions [ pdf 399 KB ] |
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| HRC 101 - Part 8 Impact of Assumptions [ pdf 951.29 KB ] |
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| HRC 101 - Part 9 Simulated Storage Trajectories [ pdf 665.92 KB ] |
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| Market 101 - Part 1 The Market and The Spot Price [ pdf 688.11 KB ] |
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| Market 101 - Part 2 Locational Marginal Pricing [ pdf 500.59 KB ] |
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| Market 101 - Part 3 Co-optimisation of Energy and Reserves [ pdf 527.64 KB ] |
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| Summary of inputs into Schedules [ pdf 316.48 KB ] |
Load Forecast Accuracy Reports
Load Forecast Accuracy Reporting Page
