Monthly market report
Sweden Stockholm SE3 — May 2026
Day-ahead auction, 2,976 settlement periods, computed from the same data the API serves.
Average price
71.1 €/MWh
+19.5 vs previous month
Negative prices
26 hours
104 settlement periods below 0
Avg daily spread
100.95 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
43.32 €/MWh
Extremes
- Cheapest period
- -14.49 €/MWh May 24, 12:00 UTC
- Priciest period
- 216.38 €/MWh May 7, 17:45 UTC
Top spike days
- 2026-05-07max 216.38 €/MWh
- 2026-05-28max 208.5 €/MWh
- 2026-05-18max 174.28 €/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 SE3
- → 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.