Monthly market report
Sweden Luleå SE1 — May 2025
Day-ahead auction, 744 settlement periods, computed from the same data the API serves.
Average price
12.9 €/MWh
-0.18 vs previous month
Negative prices
108 hours
108 settlement periods below 0
Avg daily spread
29.74 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
25.58 €/MWh
Extremes
- Cheapest period
- -33.79 €/MWh May 13, 18:00 UTC
- Priciest period
- 152.62 €/MWh May 8, 05:00 UTC
Top spike days
- 2025-05-08max 152.62 €/MWh
- 2025-05-07max 143.95 €/MWh
- 2025-05-12max 111.54 €/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.