Monthly market report
Finland FI — September 2025
Day-ahead auction, 726 settlement periods, computed from the same data the API serves.
Average price
41.47 €/MWh
-14.1 vs previous month
Negative prices
19 hours
19 settlement periods below 0
Avg daily spread
110.83 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
50.33 €/MWh
Extremes
- Cheapest period
- -1.01 €/MWh Sep 21, 11:00 UTC
- Priciest period
- 299.99 €/MWh Sep 27, 16:00 UTC
Top spike days
- 2025-09-27max 299.99 €/MWh
- 2025-09-08max 299.94 €/MWh
- 2025-09-19max 299.94 €/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 FI
- → 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.