Monthly market report
Sweden Sundsvall SE2 — August 2025
Day-ahead auction, 744 settlement periods, computed from the same data the API serves.
Average price
20.69 €/MWh
+6.43 vs previous month
Negative prices
38 hours
38 settlement periods below 0
Avg daily spread
41.31 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
32.6 €/MWh
Extremes
- Cheapest period
- -17.24 €/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 171.47 €/MWh
- 2025-08-27max 143.68 €/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 SE2
- → 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.