Monthly market report
Sweden Luleå SE1 — December 2025
Day-ahead auction, 2,976 settlement periods, computed from the same data the API serves.
Average price
28.99 €/MWh
-4.64 vs previous month
Negative prices
24.3 hours
97 settlement periods below 0
Avg daily spread
39.82 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
32.44 €/MWh
Extremes
- Cheapest period
- -0.35 €/MWh Dec 18, 22:30 UTC
- Priciest period
- 180.25 €/MWh Dec 5, 07:30 UTC
Top spike days
- 2025-12-05max 180.25 €/MWh
- 2025-12-04max 148.79 €/MWh
- 2025-12-09max 117.71 €/MWh
Work with this data
- → Full 15-minute history via API (2015 onwards)
- → Battery arbitrage backtest against this month's prices
- → Live forecast accuracy for SE1
- → Embed the live price chart on your site — free
Data source: ENTSO-E Transparency Platform (transparency.entsoe.eu). Data source: SMARD.de, Bundesnetzagentur | CC BY 4.0. Derived statistics are Voltcast own-IP output.