Monthly market report
Sweden Luleå SE1 — August 2025
Day-ahead auction, 744 settlement periods, computed from the same data the API serves.
Average price
21.31 €/MWh
+9.16 vs previous month
Negative prices
53 hours
53 settlement periods below 0
Avg daily spread
42.91 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
33.68 €/MWh
Extremes
- Cheapest period
- -17.8 €/MWh Aug 10, 11:00 UTC
- Priciest period
- 194.69 €/MWh Aug 26, 17:00 UTC
Top spike days
- 2025-08-26max 194.69 €/MWh
- 2025-08-28max 172.38 €/MWh
- 2025-08-27max 144.52 €/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.