Electricity Authority - EMI (market statistics and tools)

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Period start	Period end	Trading period	Region ID	Region	FIR price ($/MWh)	SIR price ($/MWh)
20/05/2026 00:00:00	20/05/2026 00:30:00	1	NI	North Island	0.19	0.16
20/05/2026 00:00:00	20/05/2026 00:30:00	1	SI	South Island	0.15	0.15
20/05/2026 00:30:00	20/05/2026 01:00:00	2	NI	North Island	0.50	0.16
20/05/2026 00:30:00	20/05/2026 01:00:00	2	SI	South Island	0.39	0.15
20/05/2026 01:00:00	20/05/2026 01:30:00	3	NI	North Island	0.19	0.16
20/05/2026 01:00:00	20/05/2026 01:30:00	3	SI	South Island	0.15	0.15
20/05/2026 01:30:00	20/05/2026 02:00:00	4	NI	North Island	0.19	0.16
20/05/2026 01:30:00	20/05/2026 02:00:00	4	SI	South Island	0.15	0.15
20/05/2026 02:00:00	20/05/2026 02:30:00	5	NI	North Island	0.19	0.16
20/05/2026 02:00:00	20/05/2026 02:30:00	5	SI	South Island	0.15	0.15
20/05/2026 02:30:00	20/05/2026 03:00:00	6	NI	North Island	0.19	0.16
20/05/2026 02:30:00	20/05/2026 03:00:00	6	SI	South Island	0.15	0.15
20/05/2026 03:00:00	20/05/2026 03:30:00	7	NI	North Island	0.19	0.16
20/05/2026 03:00:00	20/05/2026 03:30:00	7	SI	South Island	0.15	0.15
20/05/2026 03:30:00	20/05/2026 04:00:00	8	NI	North Island	0.19	0.16
20/05/2026 03:30:00	20/05/2026 04:00:00	8	SI	South Island	0.15	0.15
20/05/2026 04:00:00	20/05/2026 04:30:00	9	NI	North Island	0.19	0.16
20/05/2026 04:00:00	20/05/2026 04:30:00	9	SI	South Island	0.15	0.15
20/05/2026 04:30:00	20/05/2026 05:00:00	10	NI	North Island	0.35	0.16
20/05/2026 04:30:00	20/05/2026 05:00:00	10	SI	South Island	0.27	0.15
20/05/2026 05:00:00	20/05/2026 05:30:00	11	NI	North Island	0.58	0.34
20/05/2026 05:00:00	20/05/2026 05:30:00	11	SI	South Island	0.45	0.15
20/05/2026 05:30:00	20/05/2026 06:00:00	12	NI	North Island	0.29	0.24
20/05/2026 05:30:00	20/05/2026 06:00:00	12	SI	South Island	0.23	0.23
20/05/2026 06:00:00	20/05/2026 06:30:00	13	NI	North Island	0.84	0.78
20/05/2026 06:00:00	20/05/2026 06:30:00	13	SI	South Island	0.65	0.73
20/05/2026 06:30:00	20/05/2026 07:00:00	14	NI	North Island	3.01	1.19
20/05/2026 06:30:00	20/05/2026 07:00:00	14	SI	South Island	2.27	1.12
20/05/2026 07:00:00	20/05/2026 07:30:00	15	NI	North Island	17.80	17.80
20/05/2026 07:00:00	20/05/2026 07:30:00	15	SI	South Island	13.38	16.73
20/05/2026 07:30:00	20/05/2026 08:00:00	16	NI	North Island	9.90	20.56
20/05/2026 07:30:00	20/05/2026 08:00:00	16	SI	South Island	7.44	19.33
20/05/2026 08:00:00	20/05/2026 08:30:00	17	NI	North Island	9.90	16.98
20/05/2026 08:00:00	20/05/2026 08:30:00	17	SI	South Island	7.44	15.97
20/05/2026 08:30:00	20/05/2026 09:00:00	18	NI	North Island	6.09	2.29
20/05/2026 08:30:00	20/05/2026 09:00:00	18	SI	South Island	4.57	2.15
20/05/2026 09:00:00	20/05/2026 09:30:00	19	NI	North Island	2.36	2.69
20/05/2026 09:00:00	20/05/2026 09:30:00	19	SI	South Island	1.77	2.53
20/05/2026 09:30:00	20/05/2026 10:00:00	20	NI	North Island	2.47	6.75
20/05/2026 09:30:00	20/05/2026 10:00:00	20	SI	South Island	1.86	6.34
20/05/2026 10:00:00	20/05/2026 10:30:00	21	NI	North Island	3.00	1.41
20/05/2026 10:00:00	20/05/2026 10:30:00	21	SI	South Island	2.26	1.33
20/05/2026 10:30:00	20/05/2026 11:00:00	22	NI	North Island	1.65	1.47
20/05/2026 10:30:00	20/05/2026 11:00:00	22	SI	South Island	1.24	1.38
20/05/2026 11:00:00	20/05/2026 11:30:00	23	NI	North Island	0.83	0.53
20/05/2026 11:00:00	20/05/2026 11:30:00	23	SI	South Island	0.63	0.50
20/05/2026 11:30:00	20/05/2026 12:00:00	24	NI	North Island	0.50	0.51
20/05/2026 11:30:00	20/05/2026 12:00:00	24	SI	South Island	0.39	0.49
20/05/2026 12:00:00	20/05/2026 12:30:00	25	NI	North Island	0.13	0.50
20/05/2026 12:00:00	20/05/2026 12:30:00	25	SI	South Island	0.10	0.48

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This report shows prices for reserves (FIR and SIR) in the electricity spot market through time.

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Fast instantaneous resserves, sustained instantaneous reserves, FIR, SIR

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