AU 09:42 Pre-open
NZ 11:42 Trading

 Wed 7 Oct 2026
 10 Minutes Delayed

New Zealand Electricity Market Wrap

September 2026

Over the month of September, ASX Otahuhu calendar year 2027 swap price moved up $9.09 to finish the month at $118.70. This is a price separation of +$8.49 from the next calendar year 2028.
Over the month of September, ASX Benmore calendar year 2027 swap price moved up $7.50 to finish the month at $100.63. This is a price separation of +$10.51 from the next calendar year 2028.
Total traded volume equaled 63,703 lots which is equivalent to 11.2275 million MWh.
The daily average traded volume was 2,895.59 lots and total trade volume is up 11.00% from 2025.
Total Open interest is 203,893 lots, up 76.68% from 2025.
- Futures OI = 127,881 (up 44.71%)
- Options OI = 76,012 (up 181.16%)

Contract	Month Open	High	Low	Month Close	Volume	Open Interest
September Otahuhu	$36.30	$43.60	$28.05	$43.60	1124	2620
September Benmore	$21.05	$25.60	$15.15	$23.30	925	2236
Otahuhu	$38.90	$54.00	$33.85	$48.65	2515	1732
Benmore	$25.20	$35.90	$19.90	$30.40	1810	1348
Q3 2026 Otahuhu	$62.20	$64.70	$59.65	$64.70	244	10048
Q3 2026 Benmore	$42.50	$44.15	$40.75	$43.40	203	5979

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