AU 02:00 Closed
NZ 04:00 Closed

 Thu 17 Sep 2026
 Trading Day

New Zealand Electricity Market Wrap

August 2026

Over the month of August, ASX Otahuhu calendar year 2027 swap price moved down $11.41 to finish the month at $111.78. This is a price separation of +$20.31 from the next calendar year 2028.
Over the month of August, ASX Benmore calendar year 2027 swap price moved down $10.79 to finish the month at $95.74. This is a price separation of +$19.15 from the next calendar year 2028.
Total traded volume equaled 80,178 lots which is equivalent to 14.0653 million MWh.
The daily average traded volume was 3,818.00 lots and total trade volume is up 38.46% from 2025.
Total Open interest is 183,408 lots, up 72.93% from 2025.
- Futures OI = 120,996 (up 41.98%)
- Options OI = 62,412 (up 199.55%)

Contract	Month Open	High	Low	Month Close	Volume	Open Interest
August Otahuhu	$78.70	$120.00	$78.70	$86.00	2353	2385
August Benmore	$58.25	$92.00	$58.25	$62.00	1927	1469
Otahuhu	$63.75	$100.80	$39.30	$39.30	3147	2509
Benmore	$53.20	$87.70	$22.10	$23.65	3033	2037
Q3 2026 Otahuhu	$69.10	$95.00	$63.50	$63.50	1520	9904
Q3 2026 Benmore	$52.00	$74.45	$42.60	$43.45	1305	5829

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