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| Period start | Period end | Trading period | Region ID | Region | FIR price ($/MWh) | SIR price ($/MWh) |
|---|---|---|---|---|---|---|
| 15/05/2026 00:00:00 | 15/05/2026 00:30:00 | 1 | NI | North Island | 0.13 | 0.10 |
| 15/05/2026 00:00:00 | 15/05/2026 00:30:00 | 1 | SI | South Island | 0.10 | 0.10 |
| 15/05/2026 00:30:00 | 15/05/2026 01:00:00 | 2 | NI | North Island | 0.11 | 0.24 |
| 15/05/2026 00:30:00 | 15/05/2026 01:00:00 | 2 | SI | South Island | 0.09 | 0.07 |
| 15/05/2026 01:00:00 | 15/05/2026 01:30:00 | 3 | NI | North Island | 0.02 | 0.50 |
| 15/05/2026 01:00:00 | 15/05/2026 01:30:00 | 3 | SI | South Island | 0.01 | 0.01 |
| 15/05/2026 01:30:00 | 15/05/2026 02:00:00 | 4 | NI | North Island | 0.11 | 0.30 |
| 15/05/2026 01:30:00 | 15/05/2026 02:00:00 | 4 | SI | South Island | 0.09 | 0.05 |
| 15/05/2026 02:00:00 | 15/05/2026 02:30:00 | 5 | NI | North Island | 0.01 | 0.50 |
| 15/05/2026 02:00:00 | 15/05/2026 02:30:00 | 5 | SI | South Island | 0.01 | 0.01 |
| 15/05/2026 02:30:00 | 15/05/2026 03:00:00 | 6 | NI | North Island | 0.01 | 0.34 |
| 15/05/2026 02:30:00 | 15/05/2026 03:00:00 | 6 | SI | South Island | 0.01 | 0.01 |
| 15/05/2026 03:00:00 | 15/05/2026 03:30:00 | 7 | NI | North Island | 0.01 | 0.15 |
| 15/05/2026 03:00:00 | 15/05/2026 03:30:00 | 7 | SI | South Island | 0.01 | 0.01 |
| 15/05/2026 03:30:00 | 15/05/2026 04:00:00 | 8 | NI | North Island | 0.01 | 0.16 |
| 15/05/2026 03:30:00 | 15/05/2026 04:00:00 | 8 | SI | South Island | 0.01 | 0.01 |
| 15/05/2026 04:00:00 | 15/05/2026 04:30:00 | 9 | NI | North Island | 0.02 | 0.24 |
| 15/05/2026 04:00:00 | 15/05/2026 04:30:00 | 9 | SI | South Island | 0.01 | 0.01 |
| 15/05/2026 04:30:00 | 15/05/2026 05:00:00 | 10 | NI | North Island | 0.11 | 0.38 |
| 15/05/2026 04:30:00 | 15/05/2026 05:00:00 | 10 | SI | South Island | 0.08 | 0.07 |
| 15/05/2026 05:00:00 | 15/05/2026 05:30:00 | 11 | NI | North Island | 0.11 | 0.10 |
| 15/05/2026 05:00:00 | 15/05/2026 05:30:00 | 11 | SI | South Island | 0.08 | 0.10 |
| 15/05/2026 05:30:00 | 15/05/2026 06:00:00 | 12 | NI | North Island | 0.11 | 0.11 |
| 15/05/2026 05:30:00 | 15/05/2026 06:00:00 | 12 | SI | South Island | 0.08 | 0.10 |
| 15/05/2026 06:00:00 | 15/05/2026 06:30:00 | 13 | NI | North Island | 3.58 | 3.58 |
| 15/05/2026 06:00:00 | 15/05/2026 06:30:00 | 13 | SI | South Island | 2.69 | 3.37 |
| 15/05/2026 06:30:00 | 15/05/2026 07:00:00 | 14 | NI | North Island | 1.00 | 1.00 |
| 15/05/2026 06:30:00 | 15/05/2026 07:00:00 | 14 | SI | South Island | 0.74 | 0.92 |
| 15/05/2026 07:00:00 | 15/05/2026 07:30:00 | 15 | NI | North Island | 7.98 | 10.90 |
| 15/05/2026 07:00:00 | 15/05/2026 07:30:00 | 15 | SI | South Island | 5.85 | 10.01 |
| 15/05/2026 07:30:00 | 15/05/2026 08:00:00 | 16 | NI | North Island | 68.59 | 24.99 |
| 15/05/2026 07:30:00 | 15/05/2026 08:00:00 | 16 | SI | South Island | 50.16 | 22.84 |
| 15/05/2026 08:00:00 | 15/05/2026 08:30:00 | 17 | NI | North Island | 15.37 | 18.85 |
| 15/05/2026 08:00:00 | 15/05/2026 08:30:00 | 17 | SI | South Island | 11.24 | 17.23 |
| 15/05/2026 08:30:00 | 15/05/2026 09:00:00 | 18 | NI | North Island | 5.00 | 9.87 |
| 15/05/2026 08:30:00 | 15/05/2026 09:00:00 | 18 | SI | South Island | 3.70 | 9.07 |
| 15/05/2026 09:00:00 | 15/05/2026 09:30:00 | 19 | NI | North Island | 4.14 | 3.01 |
| 15/05/2026 09:00:00 | 15/05/2026 09:30:00 | 19 | SI | South Island | 3.03 | 2.75 |
| 15/05/2026 09:30:00 | 15/05/2026 10:00:00 | 20 | NI | North Island | 0.68 | 0.55 |
| 15/05/2026 09:30:00 | 15/05/2026 10:00:00 | 20 | SI | South Island | 0.50 | 0.50 |
| 15/05/2026 10:00:00 | 15/05/2026 10:30:00 | 21 | NI | North Island | 2.63 | 1.00 |
| 15/05/2026 10:00:00 | 15/05/2026 10:30:00 | 21 | SI | South Island | 1.92 | 0.91 |
| 15/05/2026 10:30:00 | 15/05/2026 11:00:00 | 22 | NI | North Island | 1.00 | 1.00 |
| 15/05/2026 10:30:00 | 15/05/2026 11:00:00 | 22 | SI | South Island | 0.73 | 0.91 |
| 15/05/2026 11:00:00 | 15/05/2026 11:30:00 | 23 | NI | North Island | 2.10 | 4.06 |
| 15/05/2026 11:00:00 | 15/05/2026 11:30:00 | 23 | SI | South Island | 1.58 | 3.82 |
| 15/05/2026 11:30:00 | 15/05/2026 12:00:00 | 24 | NI | North Island | 4.99 | 4.99 |
| 15/05/2026 11:30:00 | 15/05/2026 12:00:00 | 24 | SI | South Island | 3.67 | 4.58 |
| 15/05/2026 12:00:00 | 15/05/2026 12:30:00 | 25 | NI | North Island | 4.99 | 4.85 |
| 15/05/2026 12:00:00 | 15/05/2026 12:30:00 | 25 | SI | South Island | 3.65 | 4.43 |
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This report shows prices for reserves (FIR and SIR) in the electricity spot market through time.
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