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New Zealand Electricity Market Wrap

June 2025

  • Over the month of June, ASX Otahuhu calendar year 2026 swap price moved down $5.01 to finish the month at $191.33. This is a price separation of -$17.16 from the next calendar year 2027.
  • Over the month of June, ASX Benmore calendar year 2026 swap price moved down $4.69 to finish the month at $162.95. This is a price separation of -$14.80 from the next calendar year 2027.
  • Total traded volume equaled 44,564 lots which is equivalent to 6.7519 million MWh.
  • The daily average traded volume was 2,345.47 lots and total trade volume is up 13.59% from 2024.
  • Total Open interest is 105,052 lots, up inf% from 2024
    • Futures OI = 87,817 (up inf%)
    • Options OI = 17,235 (up inf%)

Contract Month Open High Low Month Close Volume Open Interest
June Otahuhu 180.00 180.00 127.55 127.55 1576 2385
June Benmore 162.50 162.50 121.55 121.55 1075 1138
Otahuhu 220.70 220.70 148.85 148.85 2031 1295
Benmore 203.00 203.00 129.50 129.50 2013 994
Q2 2025 Otahuhu 235.00 235.00 216.55 216.55 296 5219
Q2 2025 Benmore 228.25 228.25 215.20 215.20 156 3807