Monthly market report
Norway Tromsø NO4 — December 2025
Day-ahead auction, 2,976 settlement periods, computed from the same data the API serves.
Average price
26.85 €/MWh
-3.58 vs previous month
Negative prices
5.8 hours
23 settlement periods below 0
Avg daily spread
36.5 €/MWh
the arbitrage opportunity, day by day
Volatility (σ)
26.64 €/MWh
Extremes
- Cheapest period
- -2.58 €/MWh Dec 25, 03:15 UTC
- Priciest period
- 165.65 €/MWh Dec 5, 07:30 UTC
Top spike days
- 2025-12-05max 165.65 €/MWh
- 2025-12-04max 146.63 €/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 NO4
- → 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.