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| Period start | Period end | Trading period | Region ID | Region | FIR price ($/MWh) | SIR price ($/MWh) |
|---|---|---|---|---|---|---|
| 17/12/2025 00:00:00 | 17/12/2025 00:30:00 | 1 | NI | North Island | 0.10 | 0.03 |
| 17/12/2025 00:00:00 | 17/12/2025 00:30:00 | 1 | SI | South Island | 0.01 | 0.03 |
| 17/12/2025 00:30:00 | 17/12/2025 01:00:00 | 2 | NI | North Island | 0.02 | 0.03 |
| 17/12/2025 00:30:00 | 17/12/2025 01:00:00 | 2 | SI | South Island | 0.01 | 0.03 |
| 17/12/2025 01:00:00 | 17/12/2025 01:30:00 | 3 | NI | North Island | 0.01 | 0.03 |
| 17/12/2025 01:00:00 | 17/12/2025 01:30:00 | 3 | SI | South Island | 0.01 | 0.03 |
| 17/12/2025 01:30:00 | 17/12/2025 02:00:00 | 4 | NI | North Island | 0.10 | 0.11 |
| 17/12/2025 01:30:00 | 17/12/2025 02:00:00 | 4 | SI | South Island | 0.08 | 0.10 |
| 17/12/2025 02:00:00 | 17/12/2025 02:30:00 | 5 | NI | North Island | 0.03 | 0.03 |
| 17/12/2025 02:00:00 | 17/12/2025 02:30:00 | 5 | SI | South Island | 0.02 | 0.03 |
| 17/12/2025 02:30:00 | 17/12/2025 03:00:00 | 6 | NI | North Island | 0.03 | 0.03 |
| 17/12/2025 02:30:00 | 17/12/2025 03:00:00 | 6 | SI | South Island | 0.02 | 0.03 |
| 17/12/2025 03:00:00 | 17/12/2025 03:30:00 | 7 | NI | North Island | 0.06 | 0.03 |
| 17/12/2025 03:00:00 | 17/12/2025 03:30:00 | 7 | SI | South Island | 0.01 | 0.03 |
| 17/12/2025 03:30:00 | 17/12/2025 04:00:00 | 8 | NI | North Island | 0.03 | 0.03 |
| 17/12/2025 03:30:00 | 17/12/2025 04:00:00 | 8 | SI | South Island | 0.01 | 0.03 |
| 17/12/2025 04:00:00 | 17/12/2025 04:30:00 | 9 | NI | North Island | 0.04 | 0.06 |
| 17/12/2025 04:00:00 | 17/12/2025 04:30:00 | 9 | SI | South Island | 0.02 | 0.05 |
| 17/12/2025 04:30:00 | 17/12/2025 05:00:00 | 10 | NI | North Island | 0.03 | 0.03 |
| 17/12/2025 04:30:00 | 17/12/2025 05:00:00 | 10 | SI | South Island | 0.02 | 0.03 |
| 17/12/2025 05:00:00 | 17/12/2025 05:30:00 | 11 | NI | North Island | 0.02 | 0.07 |
| 17/12/2025 05:00:00 | 17/12/2025 05:30:00 | 11 | SI | South Island | 0.02 | 0.07 |
| 17/12/2025 05:30:00 | 17/12/2025 06:00:00 | 12 | NI | North Island | 0.03 | 0.11 |
| 17/12/2025 05:30:00 | 17/12/2025 06:00:00 | 12 | SI | South Island | 0.02 | 0.10 |
| 17/12/2025 06:00:00 | 17/12/2025 06:30:00 | 13 | NI | North Island | 0.07 | 0.10 |
| 17/12/2025 06:00:00 | 17/12/2025 06:30:00 | 13 | SI | South Island | 0.05 | 0.09 |
| 17/12/2025 06:30:00 | 17/12/2025 07:00:00 | 14 | NI | North Island | 0.25 | 0.36 |
| 17/12/2025 06:30:00 | 17/12/2025 07:00:00 | 14 | SI | South Island | 0.00 | 0.04 |
| 17/12/2025 07:00:00 | 17/12/2025 07:30:00 | 15 | NI | North Island | 3.67 | 3.53 |
| 17/12/2025 07:00:00 | 17/12/2025 07:30:00 | 15 | SI | South Island | 0.00 | 0.00 |
| 17/12/2025 07:30:00 | 17/12/2025 08:00:00 | 16 | NI | North Island | 4.60 | 3.30 |
| 17/12/2025 07:30:00 | 17/12/2025 08:00:00 | 16 | SI | South Island | 0.00 | 0.01 |
| 17/12/2025 08:00:00 | 17/12/2025 08:30:00 | 17 | NI | North Island | 3.86 | 16.94 |
| 17/12/2025 08:00:00 | 17/12/2025 08:30:00 | 17 | SI | South Island | 0.00 | 0.00 |
| 17/12/2025 08:30:00 | 17/12/2025 09:00:00 | 18 | NI | North Island | 23.37 | 11.44 |
| 17/12/2025 08:30:00 | 17/12/2025 09:00:00 | 18 | SI | South Island | 0.00 | 0.00 |
| 17/12/2025 09:00:00 | 17/12/2025 09:30:00 | 19 | NI | North Island | 26.77 | 78.91 |
| 17/12/2025 09:00:00 | 17/12/2025 09:30:00 | 19 | SI | South Island | 0.00 | 0.00 |
| 17/12/2025 09:30:00 | 17/12/2025 10:00:00 | 20 | NI | North Island | 3.88 | 5.41 |
| 17/12/2025 09:30:00 | 17/12/2025 10:00:00 | 20 | SI | South Island | 0.00 | 0.00 |
| 17/12/2025 10:00:00 | 17/12/2025 10:30:00 | 21 | NI | North Island | 1.43 | 1.97 |
| 17/12/2025 10:00:00 | 17/12/2025 10:30:00 | 21 | SI | South Island | 0.00 | 0.00 |
| 17/12/2025 10:30:00 | 17/12/2025 11:00:00 | 22 | NI | North Island | 1.84 | 1.97 |
| 17/12/2025 10:30:00 | 17/12/2025 11:00:00 | 22 | SI | South Island | 0.00 | 0.00 |
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This report shows prices for reserves (FIR and SIR) in the electricity spot market through time.
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