Meridian Energy May 2026 Monthly Operating Report
Key points
- Hydro storage increased from 106% to 125% of historical average
- May 2026 inflows were 82% of historical average
- National electricity demand increased by 1.7% compared to May 2025
Full summary
Meridian Energy's May 2026 monthly operating report highlights several key metrics. National hydro storage increased from 106% to 125% of historical average. May 2026 inflows were 82% of historical average, with total inflows for the financial year to date at 118% of historical average, the highest since 1998. National electricity demand rose by 1.7% compared to May 2025, with demand excluding NZAS up by 0.6%. NZAS average load increased to 576MW from 523MW the previous year. Retail sales volumes were 7.8% higher than May 2025, with significant increases across all segments.
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