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| Period start | Period end | Region ID | Region | Price ($/MWh) |
|---|---|---|---|---|
| 01/01/2012 | 01/02/2012 | UNI | Upper North Island | 73.79 |
| 01/01/2012 | 01/02/2012 | CNI | Central North Island | 69.26 |
| 01/01/2012 | 01/02/2012 | LNI | Lower North Island | 72.55 |
| 01/01/2012 | 01/02/2012 | USI | Upper South Island | 90.42 |
| 01/01/2012 | 01/02/2012 | LSI | Lower South Island | 88.11 |
| 01/02/2012 | 01/03/2012 | UNI | Upper North Island | 124.00 |
| 01/02/2012 | 01/03/2012 | CNI | Central North Island | 118.76 |
| 01/02/2012 | 01/03/2012 | LNI | Lower North Island | 127.38 |
| 01/02/2012 | 01/03/2012 | USI | Upper South Island | 161.39 |
| 01/02/2012 | 01/03/2012 | LSI | Lower South Island | 162.28 |
| 01/03/2012 | 01/04/2012 | UNI | Upper North Island | 83.17 |
| 01/03/2012 | 01/04/2012 | CNI | Central North Island | 80.32 |
| 01/03/2012 | 01/04/2012 | LNI | Lower North Island | 86.76 |
| 01/03/2012 | 01/04/2012 | USI | Upper South Island | 101.49 |
| 01/03/2012 | 01/04/2012 | LSI | Lower South Island | 100.02 |
| 01/04/2012 | 01/05/2012 | UNI | Upper North Island | 74.74 |
| 01/04/2012 | 01/05/2012 | CNI | Central North Island | 72.35 |
| 01/04/2012 | 01/05/2012 | LNI | Lower North Island | 80.32 |
| 01/04/2012 | 01/05/2012 | USI | Upper South Island | 104.79 |
| 01/04/2012 | 01/05/2012 | LSI | Lower South Island | 100.31 |
| 01/05/2012 | 01/06/2012 | UNI | Upper North Island | 115.64 |
| 01/05/2012 | 01/06/2012 | CNI | Central North Island | 112.46 |
| 01/05/2012 | 01/06/2012 | LNI | Lower North Island | 126.01 |
| 01/05/2012 | 01/06/2012 | USI | Upper South Island | 213.52 |
| 01/05/2012 | 01/06/2012 | LSI | Lower South Island | 205.97 |
| 01/06/2012 | 01/07/2012 | UNI | Upper North Island | 102.11 |
| 01/06/2012 | 01/07/2012 | CNI | Central North Island | 99.19 |
| 01/06/2012 | 01/07/2012 | LNI | Lower North Island | 110.22 |
| 01/06/2012 | 01/07/2012 | USI | Upper South Island | 163.72 |
| 01/06/2012 | 01/07/2012 | LSI | Lower South Island | 153.55 |
| 01/07/2012 | 01/08/2012 | UNI | Upper North Island | 80.68 |
| 01/07/2012 | 01/08/2012 | CNI | Central North Island | 75.93 |
| 01/07/2012 | 01/08/2012 | LNI | Lower North Island | 79.34 |
| 01/07/2012 | 01/08/2012 | USI | Upper South Island | 88.14 |
| 01/07/2012 | 01/08/2012 | LSI | Lower South Island | 83.32 |
| 01/08/2012 | 01/09/2012 | UNI | Upper North Island | 69.22 |
| 01/08/2012 | 01/09/2012 | CNI | Central North Island | 64.06 |
| 01/08/2012 | 01/09/2012 | LNI | Lower North Island | 65.63 |
| 01/08/2012 | 01/09/2012 | USI | Upper South Island | 68.62 |
| 01/08/2012 | 01/09/2012 | LSI | Lower South Island | 69.45 |
| 01/09/2012 | 01/10/2012 | UNI | Upper North Island | 52.27 |
| 01/09/2012 | 01/10/2012 | CNI | Central North Island | 48.65 |
| 01/09/2012 | 01/10/2012 | LNI | Lower North Island | 48.72 |
| 01/09/2012 | 01/10/2012 | USI | Upper South Island | 38.29 |
| 01/09/2012 | 01/10/2012 | LSI | Lower South Island | 37.79 |
| 01/10/2012 | 01/11/2012 | UNI | Upper North Island | 53.14 |
| 01/10/2012 | 01/11/2012 | CNI | Central North Island | 48.56 |
| 01/10/2012 | 01/11/2012 | LNI | Lower North Island | 47.48 |
| 01/10/2012 | 01/11/2012 | USI | Upper South Island | 26.27 |
| 01/10/2012 | 01/11/2012 | LSI | Lower South Island | 24.96 |
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This report shows wholesale energy prices for the electricity spot market. Parameters allow selection of weighting type, time scale, and regional averages.
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.
The time scale controls the resolution of data presented. This parameter provides a useful summary function that sums or averages data depending on report. There are settings which will automatically adjust to limit the load that large queries (long time periods at trading period time scale) place on our system. Data summarised with time scales is listed at the start of the period; part periods are not shown.
Final pricing demand and generation can be used as a proxy for reconciled demand and generation during the period for which reconciliation data is unavailable. Implementing this proxy requires making some assumptions regarding wind generation and demand. For final pricing demand, all positive demand from the final pricing case is counted; negative demand (wind generation) is ignored. Similarly, for final pricing generation, all generation plus the absolute value of negative demand (wind generation) is included. These conventions regarding final pricing demand and generation are used in calculating weighted prices.
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