2026-07-20Updated 2026-09-09Markets

DK1 June 2026: negative hours collapse 77 % year-on-year

27 negative hours in June 2026 versus 116 at baseline, a z-score of -3.34 across 37 months of history.

By Matthias Blank · drafted with the Vantage newsroom system, approved before publication

Key takeaways

DK1 logged 27 negative hours in June 2026, down from 116 in June 2025: an 89-hour drop and a 76.7 % fall versus the 37-month baseline of 116 hours.
The z-score of -3.34 places June 2026 at the 0th percentile of the distribution: no month in the 37-month sample had fewer negative hours than this.
Solar share in W29 stood at 35.6 % vs 47.1 % in the same week last year (-11.5 pp), the largest single-week generation-mix shift in the fact pack.
Despite fewer negative hours, the week mean price hit €118.56/MWh. That is 34 % above last year's €88.45/MWh and 22.7 % above the prior week's €96.64/MWh.
1,750 MW-days of unplanned outages were recorded in W29 with zero planned outages, tightening available supply further.
DK1 ranked 5th for negative hours across all tracked zones in W29 (9 hours), while SE2 led with 17 and Italian zones recorded zero.

DK1 recorded 27 negative hours in June 2026, 89 fewer than June 2025's 116 and a 76.7 % drop against a 37-month baseline that also centres on 116 hours. Tested against that distribution, the June 2026 reading sits at the 0th percentile with a z-score of -3.34: no prior month in the sample produced so few negative hours.

Photo by AlphaTradeZone on Pexels.

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