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| Period start | Region ID | Region | Average region price ($/MWh) | Average reference price ($/MWh) | Average Price | Minimum Price | Lower quartile Price | Median Price | Upper quartile Price | Maximum Price |
|---|---|---|---|---|---|---|---|---|---|---|
| 15/05/2026 | CNI | Central North Island | 70.187155 | 70.187155 | 28.9847 | 42.422775 | 73.00835 | 83.579475 | 199.6498 | |
| 15/05/2026 | LNI | Lower North Island | 71.584518 | 71.584518 | 29.4622 | 41.434525 | 72.6621 | 90.520525 | 194.4900 | |
| 15/05/2026 | LSI | Lower South Island | 67.329876 | 67.329876 | 26.4138 | 37.700075 | 68.92535 | 89.420475 | 167.7314 | |
| 15/05/2026 | UNI | Upper North Island | 75.713038 | 75.713038 | 31.2000 | 46.7012 | 80.1521 | 88.12935 | 216.1317 | |
| 15/05/2026 | USI | Upper South Island | 73.722171 | 73.722171 | 29.6150 | 42.139625 | 74.74255 | 95.6177 | 195.5708 |
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This report shows differences average regional wholesale energy prices for a day, month, quarter or year on a map. Alternatively, the report can show the difference in regional prices relative to a selected difference node.
Final prices are summarised in the map. They are not weighted by demand or filtered by peak periods. Price differences are also calculated at trading periods to inform the distribution summary statistics that can be shown. The nodal prices summarised are available from the wholesale price report or in files able to be downloaded from wholesale datasets.
The selection of a difference node will subtract the price at the this node from the region or node in the series filter. This allows users to investigate price separation.
Region types are either network-based or derived from standard statistical boundaries. The current network-based regions are nodes and zones. Mappings are provided in the NSP table which is available as a wholesale report.
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