Monthly market report
Sweden Sundsvall SE2 — December 2025
Day-ahead auction, 2,976 settlement periods, computed from the same data the API serves.
Average price
29.4 €/MWh
-1.84 vs previous month
Negative prices
7.5 hours
30 settlement periods below 0
Avg daily spread
40.89 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
33.04 €/MWh
Extremes
- Cheapest period
- -1.21 €/MWh Dec 20, 04:00 UTC
- Priciest period
- 182 €/MWh Dec 5, 07:30 UTC
Top spike days
- 2025-12-05max 182 €/MWh
- 2025-12-04max 149.25 €/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 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.